Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753272Ab3C0Rk2 (ORCPT ); Wed, 27 Mar 2013 13:40:28 -0400 Received: from mail-pd0-f181.google.com ([209.85.192.181]:36046 "EHLO mail-pd0-f181.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752347Ab3C0RkS (ORCPT ); Wed, 27 Mar 2013 13:40:18 -0400 From: Kent Overstreet To: axboe@kernel.dk, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, dm-devel@vger.kernel.org Cc: tj@kernel.org, neilb@suse.de, Kent Overstreet Subject: [PATCH 01/22] block: Abstract out bvec iterator Date: Wed, 27 Mar 2013 10:39:31 -0700 Message-Id: <1364405992-28424-2-git-send-email-koverstreet@google.com> X-Mailer: git-send-email 1.8.1.3 In-Reply-To: <1364405992-28424-1-git-send-email-koverstreet@google.com> References: <1364405992-28424-1-git-send-email-koverstreet@google.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 158380 Lines: 4338 Immutable biovecs are going to require an explicit iterator. To implement immutable bvecs, a later patch is going to add a bi_bvec_done member to this struct; for now, this patch effectively just renames things. CC: Jens Axboe Signed-off-by: Kent Overstreet --- Documentation/block/biodoc.txt | 7 ++- arch/m68k/emu/nfblock.c | 2 +- arch/powerpc/sysdev/axonram.c | 3 +- block/blk-core.c | 36 +++++++------- block/blk-flush.c | 2 +- block/blk-lib.c | 12 ++--- block/blk-map.c | 6 +-- block/blk-merge.c | 4 +- block/blk-throttle.c | 13 ++--- block/elevator.c | 2 +- drivers/block/aoe/aoecmd.c | 6 +-- drivers/block/brd.c | 4 +- drivers/block/drbd/drbd_actlog.c | 2 +- drivers/block/drbd/drbd_bitmap.c | 2 +- drivers/block/drbd/drbd_receiver.c | 6 +-- drivers/block/drbd/drbd_req.c | 6 +-- drivers/block/drbd/drbd_req.h | 2 +- drivers/block/floppy.c | 4 +- drivers/block/loop.c | 4 +- drivers/block/mtip32xx/mtip32xx.c | 4 +- drivers/block/nvme.c | 15 +++--- drivers/block/pktcdvd.c | 53 +++++++++++---------- drivers/block/ps3disk.c | 2 +- drivers/block/rbd.c | 20 ++++---- drivers/block/rsxx/dev.c | 4 +- drivers/block/rsxx/dma.c | 4 +- drivers/block/umem.c | 9 ++-- drivers/block/virtio_blk.c | 4 +- drivers/block/xen-blkback/blkback.c | 2 +- drivers/md/dm-bio-record.h | 12 ++--- drivers/md/dm-bufio.c | 2 +- drivers/md/dm-cache-policy-mq.c | 4 +- drivers/md/dm-cache-target.c | 16 ++++--- drivers/md/dm-crypt.c | 20 ++++---- drivers/md/dm-delay.c | 7 +-- drivers/md/dm-flakey.c | 7 +-- drivers/md/dm-io.c | 7 +-- drivers/md/dm-linear.c | 3 +- drivers/md/dm-raid1.c | 16 +++---- drivers/md/dm-region-hash.c | 3 +- drivers/md/dm-snap.c | 13 ++--- drivers/md/dm-stripe.c | 13 +++-- drivers/md/dm-thin.c | 23 +++++---- drivers/md/dm-verity.c | 9 ++-- drivers/md/dm.c | 21 ++++---- drivers/md/faulty.c | 19 +++++--- drivers/md/linear.c | 12 ++--- drivers/md/md.c | 25 +++++----- drivers/md/multipath.c | 13 ++--- drivers/md/raid0.c | 16 ++++--- drivers/md/raid1.c | 63 +++++++++++++----------- drivers/md/raid10.c | 95 ++++++++++++++++++++----------------- drivers/md/raid5.c | 72 ++++++++++++++-------------- drivers/s390/block/dcssblk.c | 5 +- drivers/s390/block/xpram.c | 9 ++-- drivers/scsi/osd/osd_initiator.c | 2 +- drivers/staging/zram/zram_drv.c | 12 +++-- drivers/target/target_core_iblock.c | 2 +- fs/bio-integrity.c | 8 ++-- fs/bio.c | 41 ++++++++-------- fs/btrfs/check-integrity.c | 10 ++-- fs/btrfs/compression.c | 17 +++---- fs/btrfs/extent_io.c | 18 +++---- fs/btrfs/file-item.c | 13 ++--- fs/btrfs/inode.c | 17 +++---- fs/btrfs/raid56.c | 22 ++++----- fs/btrfs/scrub.c | 12 ++--- fs/btrfs/volumes.c | 12 ++--- fs/buffer.c | 12 ++--- fs/direct-io.c | 4 +- fs/ext4/page-io.c | 4 +- fs/f2fs/data.c | 2 +- fs/f2fs/segment.c | 3 +- fs/gfs2/lops.c | 2 +- fs/gfs2/ops_fstype.c | 2 +- fs/hfsplus/wrapper.c | 2 +- fs/jfs/jfs_logmgr.c | 10 ++-- fs/jfs/jfs_metapage.c | 9 ++-- fs/logfs/dev_bdev.c | 20 ++++---- fs/mpage.c | 2 +- fs/nfs/blocklayout/blocklayout.c | 9 ++-- fs/nilfs2/segbuf.c | 3 +- fs/ocfs2/cluster/heartbeat.c | 2 +- fs/xfs/xfs_aops.c | 2 +- fs/xfs/xfs_buf.c | 4 +- include/linux/bio.h | 16 +++---- include/linux/blk_types.h | 21 ++++---- include/trace/events/block.h | 26 +++++----- kernel/power/block_io.c | 2 +- kernel/trace/blktrace.c | 15 +++--- mm/page_io.c | 10 ++-- net/ceph/messenger.c | 2 +- 92 files changed, 591 insertions(+), 524 deletions(-) diff --git a/Documentation/block/biodoc.txt b/Documentation/block/biodoc.txt index 8df5e8e..2101e71 100644 --- a/Documentation/block/biodoc.txt +++ b/Documentation/block/biodoc.txt @@ -447,14 +447,13 @@ struct bio_vec { * main unit of I/O for the block layer and lower layers (ie drivers) */ struct bio { - sector_t bi_sector; struct bio *bi_next; /* request queue link */ struct block_device *bi_bdev; /* target device */ unsigned long bi_flags; /* status, command, etc */ unsigned long bi_rw; /* low bits: r/w, high: priority */ unsigned int bi_vcnt; /* how may bio_vec's */ - unsigned int bi_idx; /* current index into bio_vec array */ + struct bvec_iter bi_iter; /* current index into bio_vec array */ unsigned int bi_size; /* total size in bytes */ unsigned short bi_phys_segments; /* segments after physaddr coalesce*/ @@ -480,7 +479,7 @@ With this multipage bio design: - Code that traverses the req list can find all the segments of a bio by using rq_for_each_segment. This handles the fact that a request has multiple bios, each of which can have multiple segments. -- Drivers which can't process a large bio in one shot can use the bi_idx +- Drivers which can't process a large bio in one shot can use the bi_iter field to keep track of the next bio_vec entry to process. (e.g a 1MB bio_vec needs to be handled in max 128kB chunks for IDE) [TBD: Should preferably also have a bi_voffset and bi_vlen to avoid modifying @@ -589,7 +588,7 @@ driver should not modify these values. The block layer sets up the nr_sectors and current_nr_sectors fields (based on the corresponding hard_xxx values and the number of bytes transferred) and updates it on every transfer that invokes end_that_request_first. It does the same for the -buffer, bio, bio->bi_idx fields too. +buffer, bio, bio->bi_iter fields too. The buffer field is just a virtual address mapping of the current segment of the i/o buffer in cases where the buffer resides in low-memory. For high diff --git a/arch/m68k/emu/nfblock.c b/arch/m68k/emu/nfblock.c index e301133..9070d6c 100644 --- a/arch/m68k/emu/nfblock.c +++ b/arch/m68k/emu/nfblock.c @@ -64,7 +64,7 @@ static void nfhd_make_request(struct request_queue *queue, struct bio *bio) struct nfhd_device *dev = queue->queuedata; struct bio_vec *bvec; int i, dir, len, shift; - sector_t sec = bio->bi_sector; + sector_t sec = bio->bi_iter.bi_sector; dir = bio_data_dir(bio); shift = dev->bshift; diff --git a/arch/powerpc/sysdev/axonram.c b/arch/powerpc/sysdev/axonram.c index 1c16141..f33bcba 100644 --- a/arch/powerpc/sysdev/axonram.c +++ b/arch/powerpc/sysdev/axonram.c @@ -113,7 +113,8 @@ axon_ram_make_request(struct request_queue *queue, struct bio *bio) unsigned int transfered; unsigned short idx; - phys_mem = bank->io_addr + (bio->bi_sector << AXON_RAM_SECTOR_SHIFT); + phys_mem = bank->io_addr + (bio->bi_iter.bi_sector << + AXON_RAM_SECTOR_SHIFT); phys_end = bank->io_addr + bank->size; transfered = 0; bio_for_each_segment(vec, bio, idx) { diff --git a/block/blk-core.c b/block/blk-core.c index f224d17..25a4bb8 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -165,7 +165,7 @@ static void req_bio_endio(struct request *rq, struct bio *bio, bio_advance(bio, nbytes); /* don't actually finish bio if it's part of flush sequence */ - if (bio->bi_size == 0 && !(rq->cmd_flags & REQ_FLUSH_SEQ)) + if (bio->bi_iter.bi_size == 0 && !(rq->cmd_flags & REQ_FLUSH_SEQ)) bio_endio(bio, error); } @@ -1332,7 +1332,7 @@ void blk_add_request_payload(struct request *rq, struct page *page, bio->bi_io_vec->bv_offset = 0; bio->bi_io_vec->bv_len = len; - bio->bi_size = len; + bio->bi_iter.bi_size = len; bio->bi_vcnt = 1; bio->bi_phys_segments = 1; @@ -1357,7 +1357,7 @@ static bool bio_attempt_back_merge(struct request_queue *q, struct request *req, req->biotail->bi_next = bio; req->biotail = bio; - req->__data_len += bio->bi_size; + req->__data_len += bio->bi_iter.bi_size; req->ioprio = ioprio_best(req->ioprio, bio_prio(bio)); drive_stat_acct(req, 0); @@ -1386,8 +1386,8 @@ static bool bio_attempt_front_merge(struct request_queue *q, * not touch req->buffer either... */ req->buffer = bio_data(bio); - req->__sector = bio->bi_sector; - req->__data_len += bio->bi_size; + req->__sector = bio->bi_iter.bi_sector; + req->__data_len += bio->bi_iter.bi_size; req->ioprio = ioprio_best(req->ioprio, bio_prio(bio)); drive_stat_acct(req, 0); @@ -1456,7 +1456,7 @@ void init_request_from_bio(struct request *req, struct bio *bio) req->cmd_flags |= REQ_FAILFAST_MASK; req->errors = 0; - req->__sector = bio->bi_sector; + req->__sector = bio->bi_iter.bi_sector; req->ioprio = bio_prio(bio); blk_rq_bio_prep(req->q, req, bio); } @@ -1582,12 +1582,12 @@ static inline void blk_partition_remap(struct bio *bio) if (bio_sectors(bio) && bdev != bdev->bd_contains) { struct hd_struct *p = bdev->bd_part; - bio->bi_sector += p->start_sect; + bio->bi_iter.bi_sector += p->start_sect; bio->bi_bdev = bdev->bd_contains; trace_block_bio_remap(bdev_get_queue(bio->bi_bdev), bio, bdev->bd_dev, - bio->bi_sector - p->start_sect); + bio->bi_iter.bi_sector - p->start_sect); } } @@ -1653,7 +1653,7 @@ static inline int bio_check_eod(struct bio *bio, unsigned int nr_sectors) /* Test device or partition size, when known. */ maxsector = i_size_read(bio->bi_bdev->bd_inode) >> 9; if (maxsector) { - sector_t sector = bio->bi_sector; + sector_t sector = bio->bi_iter.bi_sector; if (maxsector < nr_sectors || maxsector - nr_sectors < sector) { /* @@ -1689,7 +1689,7 @@ generic_make_request_checks(struct bio *bio) "generic_make_request: Trying to access " "nonexistent block-device %s (%Lu)\n", bdevname(bio->bi_bdev, b), - (long long) bio->bi_sector); + (long long) bio->bi_iter.bi_sector); goto end_io; } @@ -1703,9 +1703,9 @@ generic_make_request_checks(struct bio *bio) } part = bio->bi_bdev->bd_part; - if (should_fail_request(part, bio->bi_size) || + if (should_fail_request(part, bio->bi_iter.bi_size) || should_fail_request(&part_to_disk(part)->part0, - bio->bi_size)) + bio->bi_iter.bi_size)) goto end_io; /* @@ -1864,7 +1864,7 @@ void submit_bio(int rw, struct bio *bio) if (rw & WRITE) { count_vm_events(PGPGOUT, count); } else { - task_io_account_read(bio->bi_size); + task_io_account_read(bio->bi_iter.bi_size); count_vm_events(PGPGIN, count); } @@ -1873,7 +1873,7 @@ void submit_bio(int rw, struct bio *bio) printk(KERN_DEBUG "%s(%d): %s block %Lu on %s (%u sectors)\n", current->comm, task_pid_nr(current), (rw & WRITE) ? "WRITE" : "READ", - (unsigned long long)bio->bi_sector, + (unsigned long long)bio->bi_iter.bi_sector, bdevname(bio->bi_bdev, b), count); } @@ -2006,7 +2006,7 @@ unsigned int blk_rq_err_bytes(const struct request *rq) for (bio = rq->bio; bio; bio = bio->bi_next) { if ((bio->bi_rw & ff) != ff) break; - bytes += bio->bi_size; + bytes += bio->bi_iter.bi_size; } /* this could lead to infinite loop */ @@ -2331,9 +2331,9 @@ bool blk_update_request(struct request *req, int error, unsigned int nr_bytes) total_bytes = 0; while (req->bio) { struct bio *bio = req->bio; - unsigned bio_bytes = min(bio->bi_size, nr_bytes); + unsigned bio_bytes = min(bio->bi_iter.bi_size, nr_bytes); - if (bio_bytes == bio->bi_size) + if (bio_bytes == bio->bi_iter.bi_size) req->bio = bio->bi_next; req_bio_endio(req, bio, bio_bytes, error); @@ -2682,7 +2682,7 @@ void blk_rq_bio_prep(struct request_queue *q, struct request *rq, rq->nr_phys_segments = bio_phys_segments(q, bio); rq->buffer = bio_data(bio); } - rq->__data_len = bio->bi_size; + rq->__data_len = bio->bi_iter.bi_size; rq->bio = rq->biotail = bio; if (bio->bi_bdev) diff --git a/block/blk-flush.c b/block/blk-flush.c index db8f1b5..3248998 100644 --- a/block/blk-flush.c +++ b/block/blk-flush.c @@ -444,7 +444,7 @@ int blkdev_issue_flush(struct block_device *bdev, gfp_t gfp_mask, * copied from blk_rq_pos(rq). */ if (error_sector) - *error_sector = bio->bi_sector; + *error_sector = bio->bi_iter.bi_sector; if (!bio_flagged(bio, BIO_UPTODATE)) ret = -EIO; diff --git a/block/blk-lib.c b/block/blk-lib.c index d6f50d5..3250620 100644 --- a/block/blk-lib.c +++ b/block/blk-lib.c @@ -110,12 +110,12 @@ int blkdev_issue_discard(struct block_device *bdev, sector_t sector, req_sects = end_sect - sector; } - bio->bi_sector = sector; + bio->bi_iter.bi_sector = sector; bio->bi_end_io = bio_batch_end_io; bio->bi_bdev = bdev; bio->bi_private = &bb; - bio->bi_size = req_sects << 9; + bio->bi_iter.bi_size = req_sects << 9; nr_sects -= req_sects; sector = end_sect; @@ -176,7 +176,7 @@ int blkdev_issue_write_same(struct block_device *bdev, sector_t sector, break; } - bio->bi_sector = sector; + bio->bi_iter.bi_sector = sector; bio->bi_end_io = bio_batch_end_io; bio->bi_bdev = bdev; bio->bi_private = &bb; @@ -186,11 +186,11 @@ int blkdev_issue_write_same(struct block_device *bdev, sector_t sector, bio->bi_io_vec->bv_len = bdev_logical_block_size(bdev); if (nr_sects > max_write_same_sectors) { - bio->bi_size = max_write_same_sectors << 9; + bio->bi_iter.bi_size = max_write_same_sectors << 9; nr_sects -= max_write_same_sectors; sector += max_write_same_sectors; } else { - bio->bi_size = nr_sects << 9; + bio->bi_iter.bi_size = nr_sects << 9; nr_sects = 0; } @@ -242,7 +242,7 @@ int __blkdev_issue_zeroout(struct block_device *bdev, sector_t sector, break; } - bio->bi_sector = sector; + bio->bi_iter.bi_sector = sector; bio->bi_bdev = bdev; bio->bi_end_io = bio_batch_end_io; bio->bi_private = &bb; diff --git a/block/blk-map.c b/block/blk-map.c index 623e1cd..ae4ae10 100644 --- a/block/blk-map.c +++ b/block/blk-map.c @@ -20,7 +20,7 @@ int blk_rq_append_bio(struct request_queue *q, struct request *rq, rq->biotail->bi_next = bio; rq->biotail = bio; - rq->__data_len += bio->bi_size; + rq->__data_len += bio->bi_iter.bi_size; } return 0; } @@ -76,7 +76,7 @@ static int __blk_rq_map_user(struct request_queue *q, struct request *rq, ret = blk_rq_append_bio(q, rq, bio); if (!ret) - return bio->bi_size; + return bio->bi_iter.bi_size; /* if it was boucned we must call the end io function */ bio_endio(bio, 0); @@ -220,7 +220,7 @@ int blk_rq_map_user_iov(struct request_queue *q, struct request *rq, if (IS_ERR(bio)) return PTR_ERR(bio); - if (bio->bi_size != len) { + if (bio->bi_iter.bi_size != len) { /* * Grab an extra reference to this bio, as bio_unmap_user() * expects to be able to drop it twice as it happens on the diff --git a/block/blk-merge.c b/block/blk-merge.c index 936a110..5b04c25 100644 --- a/block/blk-merge.c +++ b/block/blk-merge.c @@ -532,9 +532,9 @@ bool blk_rq_merge_ok(struct request *rq, struct bio *bio) int blk_try_merge(struct request *rq, struct bio *bio) { - if (blk_rq_pos(rq) + blk_rq_sectors(rq) == bio->bi_sector) + if (blk_rq_pos(rq) + blk_rq_sectors(rq) == bio->bi_iter.bi_sector) return ELEVATOR_BACK_MERGE; - else if (blk_rq_pos(rq) - bio_sectors(bio) == bio->bi_sector) + else if (blk_rq_pos(rq) - bio_sectors(bio) == bio->bi_iter.bi_sector) return ELEVATOR_FRONT_MERGE; return ELEVATOR_NO_MERGE; } diff --git a/block/blk-throttle.c b/block/blk-throttle.c index 3114622..fc06b58 100644 --- a/block/blk-throttle.c +++ b/block/blk-throttle.c @@ -590,14 +590,14 @@ static bool tg_with_in_bps_limit(struct throtl_data *td, struct throtl_grp *tg, do_div(tmp, HZ); bytes_allowed = tmp; - if (tg->bytes_disp[rw] + bio->bi_size <= bytes_allowed) { + if (tg->bytes_disp[rw] + bio->bi_iter.bi_size <= bytes_allowed) { if (wait) *wait = 0; return 1; } /* Calc approx time to dispatch */ - extra_bytes = tg->bytes_disp[rw] + bio->bi_size - bytes_allowed; + extra_bytes = tg->bytes_disp[rw] + bio->bi_iter.bi_size - bytes_allowed; jiffy_wait = div64_u64(extra_bytes * HZ, tg->bps[rw]); if (!jiffy_wait) @@ -705,10 +705,11 @@ static void throtl_charge_bio(struct throtl_grp *tg, struct bio *bio) bool rw = bio_data_dir(bio); /* Charge the bio to the group */ - tg->bytes_disp[rw] += bio->bi_size; + tg->bytes_disp[rw] += bio->bi_iter.bi_size; tg->io_disp[rw]++; - throtl_update_dispatch_stats(tg_to_blkg(tg), bio->bi_size, bio->bi_rw); + throtl_update_dispatch_stats(tg_to_blkg(tg), + bio->bi_iter.bi_size, bio->bi_rw); } static void throtl_add_bio_tg(struct throtl_data *td, struct throtl_grp *tg, @@ -1128,7 +1129,7 @@ bool blk_throtl_bio(struct request_queue *q, struct bio *bio) if (tg) { if (tg_no_rule_group(tg, rw)) { throtl_update_dispatch_stats(tg_to_blkg(tg), - bio->bi_size, bio->bi_rw); + bio->bi_iter.bi_size, bio->bi_rw); goto out_unlock_rcu; } } @@ -1175,7 +1176,7 @@ queue_bio: throtl_log_tg(td, tg, "[%c] bio. bdisp=%llu sz=%u bps=%llu" " iodisp=%u iops=%u queued=%d/%d", rw == READ ? 'R' : 'W', - tg->bytes_disp[rw], bio->bi_size, tg->bps[rw], + tg->bytes_disp[rw], bio->bi_iter.bi_size, tg->bps[rw], tg->io_disp[rw], tg->iops[rw], tg->nr_queued[READ], tg->nr_queued[WRITE]); diff --git a/block/elevator.c b/block/elevator.c index eba5b04..ddb92b6 100644 --- a/block/elevator.c +++ b/block/elevator.c @@ -442,7 +442,7 @@ int elv_merge(struct request_queue *q, struct request **req, struct bio *bio) /* * See if our hash lookup can find a potential backmerge. */ - __rq = elv_rqhash_find(q, bio->bi_sector); + __rq = elv_rqhash_find(q, bio->bi_iter.bi_sector); if (__rq && elv_rq_merge_ok(__rq, bio)) { *req = __rq; return ELEVATOR_BACK_MERGE; diff --git a/drivers/block/aoe/aoecmd.c b/drivers/block/aoe/aoecmd.c index af96ca1..039ce17 100644 --- a/drivers/block/aoe/aoecmd.c +++ b/drivers/block/aoe/aoecmd.c @@ -924,8 +924,8 @@ bufinit(struct buf *buf, struct request *rq, struct bio *bio) memset(buf, 0, sizeof(*buf)); buf->rq = rq; buf->bio = bio; - buf->resid = bio->bi_size; - buf->sector = bio->bi_sector; + buf->resid = bio->bi_iter.bi_size; + buf->sector = bio->bi_iter.bi_sector; bio_pageinc(bio); buf->bv = bv = bio_iovec(bio); buf->bv_resid = bv->bv_len; @@ -1147,7 +1147,7 @@ aoe_end_request(struct aoedev *d, struct request *rq, int fastfail) do { bio = rq->bio; bok = !fastfail && test_bit(BIO_UPTODATE, &bio->bi_flags); - } while (__blk_end_request(rq, bok ? 0 : -EIO, bio->bi_size)); + } while (__blk_end_request(rq, bok ? 0 : -EIO, bio->bi_iter.bi_size)); /* cf. http://lkml.org/lkml/2006/10/31/28 */ if (!fastfail) diff --git a/drivers/block/brd.c b/drivers/block/brd.c index f1a29f8..ddf2b79 100644 --- a/drivers/block/brd.c +++ b/drivers/block/brd.c @@ -333,13 +333,13 @@ static void brd_make_request(struct request_queue *q, struct bio *bio) int i; int err = -EIO; - sector = bio->bi_sector; + sector = bio->bi_iter.bi_sector; if (bio_end_sector(bio) > get_capacity(bdev->bd_disk)) goto out; if (unlikely(bio->bi_rw & REQ_DISCARD)) { err = 0; - discard_from_brd(brd, sector, bio->bi_size); + discard_from_brd(brd, sector, bio->bi_iter.bi_size); goto out; } diff --git a/drivers/block/drbd/drbd_actlog.c b/drivers/block/drbd/drbd_actlog.c index 92510f8..a46ec01 100644 --- a/drivers/block/drbd/drbd_actlog.c +++ b/drivers/block/drbd/drbd_actlog.c @@ -160,7 +160,7 @@ static int _drbd_md_sync_page_io(struct drbd_conf *mdev, bio = bio_alloc_drbd(GFP_NOIO); bio->bi_bdev = bdev->md_bdev; - bio->bi_sector = sector; + bio->bi_iter.bi_sector = sector; err = -EIO; if (bio_add_page(bio, page, size, 0) != size) goto out; diff --git a/drivers/block/drbd/drbd_bitmap.c b/drivers/block/drbd/drbd_bitmap.c index 8dc2950..65d8f1d 100644 --- a/drivers/block/drbd/drbd_bitmap.c +++ b/drivers/block/drbd/drbd_bitmap.c @@ -1017,7 +1017,7 @@ static void bm_page_io_async(struct bm_aio_ctx *ctx, int page_nr, int rw) __must } else page = b->bm_pages[page_nr]; bio->bi_bdev = mdev->ldev->md_bdev; - bio->bi_sector = on_disk_sector; + bio->bi_iter.bi_sector = on_disk_sector; /* bio_add_page of a single page to an empty bio will always succeed, * according to api. Do we want to assert that? */ bio_add_page(bio, page, len, 0); diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c index a9eccfc..bd27a65 100644 --- a/drivers/block/drbd/drbd_receiver.c +++ b/drivers/block/drbd/drbd_receiver.c @@ -1331,7 +1331,7 @@ next_bio: goto fail; } /* > peer_req->i.sector, unless this is the first bio */ - bio->bi_sector = sector; + bio->bi_iter.bi_sector = sector; bio->bi_bdev = mdev->ldev->backing_bdev; bio->bi_rw = rw; bio->bi_private = peer_req; @@ -1351,7 +1351,7 @@ next_bio: dev_err(DEV, "bio_add_page failed for len=%u, " "bi_vcnt=0 (bi_sector=%llu)\n", - len, (unsigned long long)bio->bi_sector); + len, (uint64_t)bio->bi_iter.bi_sector); err = -ENOSPC; goto fail; } @@ -1613,7 +1613,7 @@ static int recv_dless_read(struct drbd_conf *mdev, struct drbd_request *req, mdev->recv_cnt += data_size>>9; bio = req->master_bio; - D_ASSERT(sector == bio->bi_sector); + D_ASSERT(sector == bio->bi_iter.bi_sector); bio_for_each_segment(bvec, bio, i) { void *mapped = kmap(bvec->bv_page) + bvec->bv_offset; diff --git a/drivers/block/drbd/drbd_req.c b/drivers/block/drbd/drbd_req.c index 2b8303a..1a98c85 100644 --- a/drivers/block/drbd/drbd_req.c +++ b/drivers/block/drbd/drbd_req.c @@ -77,8 +77,8 @@ static struct drbd_request *drbd_req_new(struct drbd_conf *mdev, req->epoch = 0; drbd_clear_interval(&req->i); - req->i.sector = bio_src->bi_sector; - req->i.size = bio_src->bi_size; + req->i.sector = bio_src->bi_iter.bi_sector; + req->i.size = bio_src->bi_iter.bi_size; req->i.local = true; req->i.waiting = false; @@ -1150,7 +1150,7 @@ void drbd_make_request(struct request_queue *q, struct bio *bio) /* * what we "blindly" assume: */ - D_ASSERT(IS_ALIGNED(bio->bi_size, 512)); + D_ASSERT(IS_ALIGNED(bio->bi_iter.bi_size, 512)); inc_ap_bio(mdev); __drbd_make_request(mdev, bio, start_time); diff --git a/drivers/block/drbd/drbd_req.h b/drivers/block/drbd/drbd_req.h index c08d229..2a7d772 100644 --- a/drivers/block/drbd/drbd_req.h +++ b/drivers/block/drbd/drbd_req.h @@ -261,7 +261,7 @@ static inline void drbd_req_make_private_bio(struct drbd_request *req, struct bi /* Short lived temporary struct on the stack. * We could squirrel the error to be returned into - * bio->bi_size, or similar. But that would be too ugly. */ + * bio->bi_iter.bi_size, or similar. But that would be too ugly. */ struct bio_and_error { struct bio *bio; int error; diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c index 8323263..f09fb23 100644 --- a/drivers/block/floppy.c +++ b/drivers/block/floppy.c @@ -3777,9 +3777,9 @@ static int __floppy_read_block_0(struct block_device *bdev) bio_vec.bv_len = size; bio_vec.bv_offset = 0; bio.bi_vcnt = 1; - bio.bi_size = size; + bio.bi_iter.bi_size = size; bio.bi_bdev = bdev; - bio.bi_sector = 0; + bio.bi_iter.bi_sector = 0; bio.bi_flags = (1 << BIO_QUIET); init_completion(&complete); bio.bi_private = &complete; diff --git a/drivers/block/loop.c b/drivers/block/loop.c index 747bb2a..2e4e0be 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -413,7 +413,7 @@ static int do_bio_filebacked(struct loop_device *lo, struct bio *bio) loff_t pos; int ret; - pos = ((loff_t) bio->bi_sector << 9) + lo->lo_offset; + pos = ((loff_t) bio->bi_iter.bi_sector << 9) + lo->lo_offset; if (bio_rw(bio) == WRITE) { struct file *file = lo->lo_backing_file; @@ -442,7 +442,7 @@ static int do_bio_filebacked(struct loop_device *lo, struct bio *bio) goto out; } ret = file->f_op->fallocate(file, mode, pos, - bio->bi_size); + bio->bi_iter.bi_size); if (unlikely(ret && ret != -EINVAL && ret != -EOPNOTSUPP)) ret = -EIO; diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c index 11cc952..85b9f12 100644 --- a/drivers/block/mtip32xx/mtip32xx.c +++ b/drivers/block/mtip32xx/mtip32xx.c @@ -3758,7 +3758,7 @@ static void mtip_make_request(struct request_queue *queue, struct bio *bio) } if (unlikely(bio->bi_rw & REQ_DISCARD)) { - bio_endio(bio, mtip_send_trim(dd, bio->bi_sector, + bio_endio(bio, mtip_send_trim(dd, bio->bi_iter.bi_sector, bio_sectors(bio))); return; } @@ -3791,7 +3791,7 @@ static void mtip_make_request(struct request_queue *queue, struct bio *bio) /* Issue the read/write. */ mtip_hw_submit_io(dd, - bio->bi_sector, + bio->bi_iter.bi_sector, bio_sectors(bio), nents, tag, diff --git a/drivers/block/nvme.c b/drivers/block/nvme.c index 07fb2df..bc97493 100644 --- a/drivers/block/nvme.c +++ b/drivers/block/nvme.c @@ -380,7 +380,7 @@ static void bio_completion(struct nvme_dev *dev, void *ctx, nvme_free_iod(dev, iod); if (status) { bio_endio(bio, -EIO); - } else if (bio->bi_vcnt > bio->bi_idx) { + } else if (bio->bi_vcnt > bio->bi_iter.bi_idx) { requeue_bio(dev, bio); } else { bio_endio(bio, 0); @@ -481,7 +481,7 @@ static int nvme_map_bio(struct device *dev, struct nvme_iod *iod, int i, old_idx, length = 0, nsegs = 0; sg_init_table(iod->sg, psegs); - old_idx = bio->bi_idx; + old_idx = bio->bi_iter.bi_idx; bio_for_each_segment(bvec, bio, i) { if (bvprv && BIOVEC_PHYS_MERGEABLE(bvprv, bvec)) { sg->length += bvec->bv_len; @@ -496,11 +496,11 @@ static int nvme_map_bio(struct device *dev, struct nvme_iod *iod, length += bvec->bv_len; bvprv = bvec; } - bio->bi_idx = i; + bio->bi_iter.bi_idx = i; iod->nents = nsegs; sg_mark_end(sg); if (dma_map_sg(dev, iod->sg, iod->nents, dma_dir) == 0) { - bio->bi_idx = old_idx; + bio->bi_iter.bi_idx = old_idx; return -ENOMEM; } return length; @@ -553,7 +553,7 @@ static int nvme_submit_bio_queue(struct nvme_queue *nvmeq, struct nvme_ns *ns, return result; } - iod = nvme_alloc_iod(psegs, bio->bi_size, GFP_ATOMIC); + iod = nvme_alloc_iod(psegs, bio->bi_iter.bi_size, GFP_ATOMIC); if (!iod) goto nomem; iod->private = bio; @@ -596,12 +596,13 @@ static int nvme_submit_bio_queue(struct nvme_queue *nvmeq, struct nvme_ns *ns, cmnd->rw.nsid = cpu_to_le32(ns->ns_id); length = nvme_setup_prps(nvmeq->dev, &cmnd->common, iod, length, GFP_ATOMIC); - cmnd->rw.slba = cpu_to_le64(bio->bi_sector >> (ns->lba_shift - 9)); + cmnd->rw.slba = cpu_to_le64(bio->bi_iter.bi_sector >> + (ns->lba_shift - 9)); cmnd->rw.length = cpu_to_le16((length >> ns->lba_shift) - 1); cmnd->rw.control = cpu_to_le16(control); cmnd->rw.dsmgmt = cpu_to_le32(dsmgmt); - bio->bi_sector += length >> 9; + bio->bi_iter.bi_sector += length >> 9; if (++nvmeq->sq_tail == nvmeq->q_depth) nvmeq->sq_tail = 0; diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c index 1119042..05e8e59 100644 --- a/drivers/block/pktcdvd.c +++ b/drivers/block/pktcdvd.c @@ -658,7 +658,7 @@ static struct pkt_rb_node *pkt_rbtree_find(struct pktcdvd_device *pd, sector_t s for (;;) { tmp = rb_entry(n, struct pkt_rb_node, rb_node); - if (s <= tmp->bio->bi_sector) + if (s <= tmp->bio->bi_iter.bi_sector) next = n->rb_left; else next = n->rb_right; @@ -667,12 +667,12 @@ static struct pkt_rb_node *pkt_rbtree_find(struct pktcdvd_device *pd, sector_t s n = next; } - if (s > tmp->bio->bi_sector) { + if (s > tmp->bio->bi_iter.bi_sector) { tmp = pkt_rbtree_next(tmp); if (!tmp) return NULL; } - BUG_ON(s > tmp->bio->bi_sector); + BUG_ON(s > tmp->bio->bi_iter.bi_sector); return tmp; } @@ -683,13 +683,13 @@ static void pkt_rbtree_insert(struct pktcdvd_device *pd, struct pkt_rb_node *nod { struct rb_node **p = &pd->bio_queue.rb_node; struct rb_node *parent = NULL; - sector_t s = node->bio->bi_sector; + sector_t s = node->bio->bi_iter.bi_sector; struct pkt_rb_node *tmp; while (*p) { parent = *p; tmp = rb_entry(parent, struct pkt_rb_node, rb_node); - if (s < tmp->bio->bi_sector) + if (s < tmp->bio->bi_iter.bi_sector) p = &(*p)->rb_left; else p = &(*p)->rb_right; @@ -867,7 +867,8 @@ static void pkt_iosched_process_queue(struct pktcdvd_device *pd) spin_lock(&pd->iosched.lock); bio = bio_list_peek(&pd->iosched.write_queue); spin_unlock(&pd->iosched.lock); - if (bio && (bio->bi_sector == pd->iosched.last_write)) + if (bio && (bio->bi_iter.bi_sector == + pd->iosched.last_write)) need_write_seek = 0; if (need_write_seek && reads_queued) { if (atomic_read(&pd->cdrw.pending_bios) > 0) { @@ -898,7 +899,8 @@ static void pkt_iosched_process_queue(struct pktcdvd_device *pd) continue; if (bio_data_dir(bio) == READ) - pd->iosched.successive_reads += bio->bi_size >> 10; + pd->iosched.successive_reads += + bio->bi_iter.bi_size >> 10; else { pd->iosched.successive_reads = 0; pd->iosched.last_write = bio_end_sector(bio); @@ -987,7 +989,8 @@ static void pkt_end_io_read(struct bio *bio, int err) BUG_ON(!pd); VPRINTK("pkt_end_io_read: bio=%p sec0=%llx sec=%llx err=%d\n", bio, - (unsigned long long)pkt->sector, (unsigned long long)bio->bi_sector, err); + (unsigned long long)pkt->sector, + (unsigned long long)bio->bi_iter.bi_sector, err); if (err) atomic_inc(&pkt->io_errors); @@ -1035,8 +1038,9 @@ static void pkt_gather_data(struct pktcdvd_device *pd, struct packet_data *pkt) memset(written, 0, sizeof(written)); spin_lock(&pkt->lock); bio_list_for_each(bio, &pkt->orig_bios) { - int first_frame = (bio->bi_sector - pkt->sector) / (CD_FRAMESIZE >> 9); - int num_frames = bio->bi_size / CD_FRAMESIZE; + int first_frame = (bio->bi_iter.bi_sector - pkt->sector) / + (CD_FRAMESIZE >> 9); + int num_frames = bio->bi_iter.bi_size / CD_FRAMESIZE; pd->stats.secs_w += num_frames * (CD_FRAMESIZE >> 9); BUG_ON(first_frame < 0); BUG_ON(first_frame + num_frames > pkt->frames); @@ -1062,7 +1066,7 @@ static void pkt_gather_data(struct pktcdvd_device *pd, struct packet_data *pkt) bio = pkt->r_bios[f]; bio_reset(bio); - bio->bi_sector = pkt->sector + f * (CD_FRAMESIZE >> 9); + bio->bi_iter.bi_sector = pkt->sector + f * (CD_FRAMESIZE >> 9); bio->bi_bdev = pd->bdev; bio->bi_end_io = pkt_end_io_read; bio->bi_private = pkt; @@ -1159,8 +1163,8 @@ static int pkt_start_recovery(struct packet_data *pkt) bio_reset(pkt->bio); pkt->bio->bi_bdev = pd->bdev; pkt->bio->bi_rw = REQ_WRITE; - pkt->bio->bi_sector = new_sector; - pkt->bio->bi_size = pkt->frames * CD_FRAMESIZE; + pkt->bio->bi_iter.bi_sector = new_sector; + pkt->bio->bi_iter.bi_size = pkt->frames * CD_FRAMESIZE; pkt->bio->bi_vcnt = pkt->frames; pkt->bio->bi_end_io = pkt_end_io_packet_write; @@ -1223,7 +1227,7 @@ static int pkt_handle_queue(struct pktcdvd_device *pd) node = first_node; while (node) { bio = node->bio; - zone = ZONE(bio->bi_sector, pd); + zone = ZONE(bio->bi_iter.bi_sector, pd); list_for_each_entry(p, &pd->cdrw.pkt_active_list, list) { if (p->sector == zone) { bio = NULL; @@ -1263,13 +1267,13 @@ try_next_bio: while ((node = pkt_rbtree_find(pd, zone)) != NULL) { bio = node->bio; VPRINTK("pkt_handle_queue: found zone=%llx\n", - (unsigned long long)ZONE(bio->bi_sector, pd)); - if (ZONE(bio->bi_sector, pd) != zone) + (unsigned long long)ZONE(bio->bi_iter.bi_sector, pd)); + if (ZONE(bio->bi_iter.bi_sector, pd) != zone) break; pkt_rbtree_erase(pd, node); spin_lock(&pkt->lock); bio_list_add(&pkt->orig_bios, bio); - pkt->write_size += bio->bi_size / CD_FRAMESIZE; + pkt->write_size += bio->bi_iter.bi_size / CD_FRAMESIZE; spin_unlock(&pkt->lock); } /* check write congestion marks, and if bio_queue_size is @@ -1303,7 +1307,7 @@ static void pkt_start_write(struct pktcdvd_device *pd, struct packet_data *pkt) struct bio_vec *bvec = pkt->w_bio->bi_io_vec; bio_reset(pkt->w_bio); - pkt->w_bio->bi_sector = pkt->sector; + pkt->w_bio->bi_iter.bi_sector = pkt->sector; pkt->w_bio->bi_bdev = pd->bdev; pkt->w_bio->bi_end_io = pkt_end_io_packet_write; pkt->w_bio->bi_private = pkt; @@ -2384,20 +2388,20 @@ static void pkt_make_request(struct request_queue *q, struct bio *bio) if (!test_bit(PACKET_WRITABLE, &pd->flags)) { printk(DRIVER_NAME": WRITE for ro device %s (%llu)\n", - pd->name, (unsigned long long)bio->bi_sector); + pd->name, (unsigned long long)bio->bi_iter.bi_sector); goto end_io; } - if (!bio->bi_size || (bio->bi_size % CD_FRAMESIZE)) { + if (!bio->bi_iter.bi_size || (bio->bi_iter.bi_size % CD_FRAMESIZE)) { printk(DRIVER_NAME": wrong bio size\n"); goto end_io; } blk_queue_bounce(q, &bio); - zone = ZONE(bio->bi_sector, pd); + zone = ZONE(bio->bi_iter.bi_sector, pd); VPRINTK("pkt_make_request: start = %6llx stop = %6llx\n", - (unsigned long long)bio->bi_sector, + (unsigned long long)bio->bi_iter.bi_sector, (unsigned long long)bio_end_sector(bio)); /* Check if we have to split the bio */ @@ -2409,7 +2413,7 @@ static void pkt_make_request(struct request_queue *q, struct bio *bio) last_zone = ZONE(bio_end_sector(bio) - 1, pd); if (last_zone != zone) { BUG_ON(last_zone != zone + pd->settings.size); - first_sectors = last_zone - bio->bi_sector; + first_sectors = last_zone - bio->bi_iter.bi_sector; bp = bio_split(bio, first_sectors); BUG_ON(!bp); pkt_make_request(q, &bp->bio1); @@ -2431,7 +2435,8 @@ static void pkt_make_request(struct request_queue *q, struct bio *bio) if ((pkt->state == PACKET_WAITING_STATE) || (pkt->state == PACKET_READ_WAIT_STATE)) { bio_list_add(&pkt->orig_bios, bio); - pkt->write_size += bio->bi_size / CD_FRAMESIZE; + pkt->write_size += + bio->bi_iter.bi_size / CD_FRAMESIZE; if ((pkt->write_size >= pkt->frames) && (pkt->state == PACKET_WAITING_STATE)) { atomic_inc(&pkt->run_sm); diff --git a/drivers/block/ps3disk.c b/drivers/block/ps3disk.c index d754a88..464be78 100644 --- a/drivers/block/ps3disk.c +++ b/drivers/block/ps3disk.c @@ -104,7 +104,7 @@ static void ps3disk_scatter_gather(struct ps3_storage_device *dev, dev_dbg(&dev->sbd.core, "%s:%u: bio %u: %u segs %u sectors from %lu\n", __func__, __LINE__, i, bio_segments(iter.bio), - bio_sectors(iter.bio), iter.bio->bi_sector); + bio_sectors(iter.bio), iter.bio->bi_iter.bi_sector); size = bvec->bv_len; buf = bvec_kmap_irq(bvec, &flags); diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index 11e1798..8115eb2 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -939,14 +939,14 @@ static struct bio *bio_clone_range(struct bio *bio_src, /* Handle the easy case for the caller */ - if (!offset && len == bio_src->bi_size) + if (!offset && len == bio_src->bi_iter.bi_size) return bio_clone(bio_src, gfpmask); if (WARN_ON_ONCE(!len)) return NULL; - if (WARN_ON_ONCE(len > bio_src->bi_size)) + if (WARN_ON_ONCE(len > bio_src->bi_iter.bi_size)) return NULL; - if (WARN_ON_ONCE(offset > bio_src->bi_size - len)) + if (WARN_ON_ONCE(offset > bio_src->bi_iter.bi_size - len)) return NULL; /* Find first affected segment... */ @@ -976,7 +976,8 @@ static struct bio *bio_clone_range(struct bio *bio_src, return NULL; /* ENOMEM */ bio->bi_bdev = bio_src->bi_bdev; - bio->bi_sector = bio_src->bi_sector + (offset >> SECTOR_SHIFT); + bio->bi_iter.bi_sector = bio_src->bi_iter.bi_sector + + (offset >> SECTOR_SHIFT); bio->bi_rw = bio_src->bi_rw; bio->bi_flags |= 1 << BIO_CLONED; @@ -995,8 +996,7 @@ static struct bio *bio_clone_range(struct bio *bio_src, } bio->bi_vcnt = vcnt; - bio->bi_size = len; - bio->bi_idx = 0; + bio->bi_iter.bi_size = len; return bio; } @@ -1027,7 +1027,7 @@ static struct bio *bio_chain_clone_range(struct bio **bio_src, /* Build up a chain of clone bios up to the limit */ - if (!bi || off >= bi->bi_size || !len) + if (!bi || off >= bi->bi_iter.bi_size || !len) return NULL; /* Nothing to clone */ end = &chain; @@ -1039,7 +1039,7 @@ static struct bio *bio_chain_clone_range(struct bio **bio_src, rbd_warn(NULL, "bio_chain exhausted with %u left", len); goto out_err; /* EINVAL; ran out of bio's */ } - bi_size = min_t(unsigned int, bi->bi_size - off, len); + bi_size = min_t(unsigned int, bi->bi_iter.bi_size - off, len); bio = bio_clone_range(bi, off, bi_size, gfpmask); if (!bio) goto out_err; /* ENOMEM */ @@ -1048,7 +1048,7 @@ static struct bio *bio_chain_clone_range(struct bio **bio_src, end = &bio->bi_next; off += bi_size; - if (off == bi->bi_size) { + if (off == bi->bi_iter.bi_size) { bi = bi->bi_next; off = 0; } @@ -1610,7 +1610,7 @@ static int rbd_img_request_fill_bio(struct rbd_img_request *img_request, : CEPH_OSD_OP_READ; bio_offset = 0; image_offset = img_request->offset; - rbd_assert(image_offset == bio_list->bi_sector << SECTOR_SHIFT); + rbd_assert(image_offset == bio_list->bi_iter.bi_sector << SECTOR_SHIFT); resid = img_request->length; rbd_assert(resid > 0); while (resid) { diff --git a/drivers/block/rsxx/dev.c b/drivers/block/rsxx/dev.c index 4346d17..44d045b 100644 --- a/drivers/block/rsxx/dev.c +++ b/drivers/block/rsxx/dev.c @@ -180,7 +180,7 @@ static void rsxx_make_request(struct request_queue *q, struct bio *bio) goto req_err; } - if (bio->bi_size == 0) { + if (bio->bi_iter.bi_size == 0) { dev_err(CARD_TO_DEV(card), "size zero BIO!\n"); goto req_err; } @@ -200,7 +200,7 @@ static void rsxx_make_request(struct request_queue *q, struct bio *bio) dev_dbg(CARD_TO_DEV(card), "BIO[%c]: meta: %p addr8: x%llx size: %d\n", bio_data_dir(bio) ? 'W' : 'R', bio_meta, - (u64)bio->bi_sector << 9, bio->bi_size); + (u64)bio->bi_iter.bi_sector << 9, bio->bi_iter.bi_size); st = rsxx_dma_queue_bio(card, bio, &bio_meta->pending_dmas, bio_dma_done_cb, bio_meta); diff --git a/drivers/block/rsxx/dma.c b/drivers/block/rsxx/dma.c index 63176e6..81d92cb 100644 --- a/drivers/block/rsxx/dma.c +++ b/drivers/block/rsxx/dma.c @@ -650,7 +650,7 @@ int rsxx_dma_queue_bio(struct rsxx_cardinfo *card, int st; int i; - addr8 = bio->bi_sector << 9; /* sectors are 512 bytes */ + addr8 = bio->bi_iter.bi_sector << 9; /* sectors are 512 bytes */ atomic_set(n_dmas, 0); for (i = 0; i < card->n_targets; i++) { @@ -659,7 +659,7 @@ int rsxx_dma_queue_bio(struct rsxx_cardinfo *card, } if (bio->bi_rw & REQ_DISCARD) { - bv_len = bio->bi_size; + bv_len = bio->bi_iter.bi_size; while (bv_len > 0) { tgt = rsxx_get_dma_tgt(card, addr8); diff --git a/drivers/block/umem.c b/drivers/block/umem.c index ad70868..dab4f1a 100644 --- a/drivers/block/umem.c +++ b/drivers/block/umem.c @@ -352,8 +352,8 @@ static int add_bio(struct cardinfo *card) bio = card->currentbio; if (!bio && card->bio) { card->currentbio = card->bio; - card->current_idx = card->bio->bi_idx; - card->current_sector = card->bio->bi_sector; + card->current_idx = card->bio->bi_iter.bi_idx; + card->current_sector = card->bio->bi_iter.bi_sector; card->bio = card->bio->bi_next; if (card->bio == NULL) card->biotail = &card->bio; @@ -451,7 +451,7 @@ static void process_page(unsigned long data) if (page->idx >= bio->bi_vcnt) { page->bio = bio->bi_next; if (page->bio) - page->idx = page->bio->bi_idx; + page->idx = page->bio->bi_iter.bi_idx; } pci_unmap_page(card->dev, desc->data_dma_handle, @@ -532,7 +532,8 @@ static void mm_make_request(struct request_queue *q, struct bio *bio) { struct cardinfo *card = q->queuedata; pr_debug("mm_make_request %llu %u\n", - (unsigned long long)bio->bi_sector, bio->bi_size); + (unsigned long long)bio->bi_iter.bi_sector, + bio->bi_iter.bi_size); spin_lock_irq(&card->lock); *card->biotail = bio; diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c index 8ad21a2..99c5d89 100644 --- a/drivers/block/virtio_blk.c +++ b/drivers/block/virtio_blk.c @@ -167,7 +167,7 @@ static int virtblk_bio_send_data(struct virtblk_req *vbr) vbr->flags &= ~VBLK_IS_FLUSH; vbr->out_hdr.type = 0; - vbr->out_hdr.sector = bio->bi_sector; + vbr->out_hdr.sector = bio->bi_iter.bi_sector; vbr->out_hdr.ioprio = bio_prio(bio); sg_set_buf(&vbr->sg[out++], &vbr->out_hdr, sizeof(vbr->out_hdr)); @@ -418,7 +418,7 @@ static void virtblk_make_request(struct request_queue *q, struct bio *bio) vbr->flags |= VBLK_REQ_FLUSH; if (bio->bi_rw & REQ_FUA) vbr->flags |= VBLK_REQ_FUA; - if (bio->bi_size) + if (bio->bi_iter.bi_size) vbr->flags |= VBLK_REQ_DATA; if (unlikely(vbr->flags & VBLK_REQ_FLUSH)) diff --git a/drivers/block/xen-blkback/blkback.c b/drivers/block/xen-blkback/blkback.c index de1f319..720879e 100644 --- a/drivers/block/xen-blkback/blkback.c +++ b/drivers/block/xen-blkback/blkback.c @@ -957,7 +957,7 @@ static int dispatch_rw_block_io(struct xen_blkif *blkif, bio->bi_bdev = preq.bdev; bio->bi_private = pending_req; bio->bi_end_io = end_block_io_op; - bio->bi_sector = preq.sector_number; + bio->bi_iter.bi_sector = preq.sector_number; } preq.sector_number += seg[i].nsec; diff --git a/drivers/md/dm-bio-record.h b/drivers/md/dm-bio-record.h index 3a8cfa2..5ace48e 100644 --- a/drivers/md/dm-bio-record.h +++ b/drivers/md/dm-bio-record.h @@ -40,10 +40,10 @@ static inline void dm_bio_record(struct dm_bio_details *bd, struct bio *bio) { unsigned i; - bd->bi_sector = bio->bi_sector; + bd->bi_sector = bio->bi_iter.bi_sector; bd->bi_bdev = bio->bi_bdev; - bd->bi_size = bio->bi_size; - bd->bi_idx = bio->bi_idx; + bd->bi_size = bio->bi_iter.bi_size; + bd->bi_idx = bio->bi_iter.bi_idx; bd->bi_flags = bio->bi_flags; for (i = 0; i < bio->bi_vcnt; i++) { @@ -56,10 +56,10 @@ static inline void dm_bio_restore(struct dm_bio_details *bd, struct bio *bio) { unsigned i; - bio->bi_sector = bd->bi_sector; + bio->bi_iter.bi_sector = bd->bi_sector; bio->bi_bdev = bd->bi_bdev; - bio->bi_size = bd->bi_size; - bio->bi_idx = bd->bi_idx; + bio->bi_iter.bi_size = bd->bi_size; + bio->bi_iter.bi_idx = bd->bi_idx; bio->bi_flags = bd->bi_flags; for (i = 0; i < bio->bi_vcnt; i++) { diff --git a/drivers/md/dm-bufio.c b/drivers/md/dm-bufio.c index 3c955e1..57c04fd 100644 --- a/drivers/md/dm-bufio.c +++ b/drivers/md/dm-bufio.c @@ -515,7 +515,7 @@ static void use_inline_bio(struct dm_buffer *b, int rw, sector_t block, bio_init(&b->bio); b->bio.bi_io_vec = b->bio_vec; b->bio.bi_max_vecs = DM_BUFIO_INLINE_VECS; - b->bio.bi_sector = block << b->c->sectors_per_block_bits; + b->bio.bi_iter.bi_sector = block << b->c->sectors_per_block_bits; b->bio.bi_bdev = b->c->bdev; b->bio.bi_end_io = end_io; diff --git a/drivers/md/dm-cache-policy-mq.c b/drivers/md/dm-cache-policy-mq.c index 9641532..b0a29c5 100644 --- a/drivers/md/dm-cache-policy-mq.c +++ b/drivers/md/dm-cache-policy-mq.c @@ -86,7 +86,7 @@ static enum io_pattern iot_pattern(struct io_tracker *t) static void iot_update_stats(struct io_tracker *t, struct bio *bio) { - if (bio->bi_sector == from_oblock(t->last_end_oblock) + 1) + if (bio->bi_iter.bi_sector == from_oblock(t->last_end_oblock) + 1) t->nr_seq_samples++; else { /* @@ -101,7 +101,7 @@ static void iot_update_stats(struct io_tracker *t, struct bio *bio) t->nr_rand_samples++; } - t->last_end_oblock = to_oblock(bio->bi_sector + bio_sectors(bio) - 1); + t->last_end_oblock = to_oblock(bio_end_sector(bio) - 1); } static void iot_check_for_pattern_switch(struct io_tracker *t) diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c index 0f4e84b..c2e31f7 100644 --- a/drivers/md/dm-cache-target.c +++ b/drivers/md/dm-cache-target.c @@ -529,14 +529,16 @@ static void remap_to_origin(struct cache *cache, struct bio *bio) static void remap_to_cache(struct cache *cache, struct bio *bio, dm_cblock_t cblock) { - sector_t bi_sector = bio->bi_sector; + sector_t bi_sector = bio->bi_iter.bi_sector; bio->bi_bdev = cache->cache_dev->bdev; if (!block_size_is_power_of_two(cache)) - bio->bi_sector = (from_cblock(cblock) * cache->sectors_per_block) + + bio->bi_iter.bi_sector = (from_cblock(cblock) * + cache->sectors_per_block) + sector_div(bi_sector, cache->sectors_per_block); else - bio->bi_sector = (from_cblock(cblock) << cache->sectors_per_block_shift) | + bio->bi_iter.bi_sector = (from_cblock(cblock) << + cache->sectors_per_block_shift) | (bi_sector & (cache->sectors_per_block - 1)); } @@ -575,7 +577,7 @@ static void remap_to_cache_dirty(struct cache *cache, struct bio *bio, static dm_oblock_t get_bio_block(struct cache *cache, struct bio *bio) { - sector_t block_nr = bio->bi_sector; + sector_t block_nr = bio->bi_iter.bi_sector; if (!block_size_is_power_of_two(cache)) (void) sector_div(block_nr, cache->sectors_per_block); @@ -974,7 +976,7 @@ static void process_flush_bio(struct cache *cache, struct bio *bio) { struct per_bio_data *pb = get_per_bio_data(bio); - BUG_ON(bio->bi_size); + BUG_ON(bio->bi_iter.bi_size); if (!pb->req_nr) remap_to_origin(cache, bio); else @@ -997,9 +999,9 @@ static void process_flush_bio(struct cache *cache, struct bio *bio) */ static void process_discard_bio(struct cache *cache, struct bio *bio) { - dm_block_t start_block = dm_sector_div_up(bio->bi_sector, + dm_block_t start_block = dm_sector_div_up(bio->bi_iter.bi_sector, cache->discard_block_size); - dm_block_t end_block = bio->bi_sector + bio_sectors(bio); + dm_block_t end_block = bio_end_sector(bio); dm_block_t b; (void) sector_div(end_block, cache->discard_block_size); diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index 6d2d41a..fca3bba 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -652,8 +652,8 @@ static void crypt_convert_init(struct crypt_config *cc, ctx->bio_out = bio_out; ctx->offset_in = 0; ctx->offset_out = 0; - ctx->idx_in = bio_in ? bio_in->bi_idx : 0; - ctx->idx_out = bio_out ? bio_out->bi_idx : 0; + ctx->idx_in = bio_in ? bio_in->bi_iter.bi_idx : 0; + ctx->idx_out = bio_out ? bio_out->bi_iter.bi_idx : 0; ctx->cc_sector = sector + cc->iv_offset; init_completion(&ctx->restart); } @@ -845,7 +845,7 @@ static struct bio *crypt_alloc_buffer(struct dm_crypt_io *io, unsigned size, size -= len; } - if (!clone->bi_size) { + if (!clone->bi_iter.bi_size) { bio_put(clone); return NULL; } @@ -985,7 +985,7 @@ static int kcryptd_io_read(struct dm_crypt_io *io, gfp_t gfp) crypt_inc_pending(io); clone_init(io, clone); - clone->bi_sector = cc->start + io->sector; + clone->bi_iter.bi_sector = cc->start + io->sector; generic_make_request(clone); return 0; @@ -1033,7 +1033,7 @@ static void kcryptd_crypt_write_io_submit(struct dm_crypt_io *io, int async) /* crypt_convert should have filled the clone bio */ BUG_ON(io->ctx.idx_out < clone->bi_vcnt); - clone->bi_sector = cc->start + io->sector; + clone->bi_iter.bi_sector = cc->start + io->sector; if (async) kcryptd_queue_io(io); @@ -1048,7 +1048,7 @@ static void kcryptd_crypt_write_convert(struct dm_crypt_io *io) struct dm_crypt_io *new_io; int crypt_finished; unsigned out_of_pages = 0; - unsigned remaining = io->base_bio->bi_size; + unsigned remaining = io->base_bio->bi_iter.bi_size; sector_t sector = io->sector; int r; @@ -1072,7 +1072,7 @@ static void kcryptd_crypt_write_convert(struct dm_crypt_io *io) io->ctx.bio_out = clone; io->ctx.idx_out = 0; - remaining -= clone->bi_size; + remaining -= clone->bi_iter.bi_size; sector += bio_sectors(clone); crypt_inc_pending(io); @@ -1687,11 +1687,13 @@ static int crypt_map(struct dm_target *ti, struct bio *bio) if (unlikely(bio->bi_rw & (REQ_FLUSH | REQ_DISCARD))) { bio->bi_bdev = cc->dev->bdev; if (bio_sectors(bio)) - bio->bi_sector = cc->start + dm_target_offset(ti, bio->bi_sector); + bio->bi_iter.bi_sector = cc->start + + dm_target_offset(ti, bio->bi_iter.bi_sector); return DM_MAPIO_REMAPPED; } - io = crypt_io_alloc(cc, bio, dm_target_offset(ti, bio->bi_sector)); + io = crypt_io_alloc(cc, bio, + dm_target_offset(ti, bio->bi_iter.bi_sector)); if (bio_data_dir(io->base_bio) == READ) { if (kcryptd_io_read(io, GFP_NOWAIT)) diff --git a/drivers/md/dm-delay.c b/drivers/md/dm-delay.c index 496d5f3..84c8601 100644 --- a/drivers/md/dm-delay.c +++ b/drivers/md/dm-delay.c @@ -281,14 +281,15 @@ static int delay_map(struct dm_target *ti, struct bio *bio) if ((bio_data_dir(bio) == WRITE) && (dc->dev_write)) { bio->bi_bdev = dc->dev_write->bdev; if (bio_sectors(bio)) - bio->bi_sector = dc->start_write + - dm_target_offset(ti, bio->bi_sector); + bio->bi_iter.bi_sector = dc->start_write + + dm_target_offset(ti, bio->bi_iter.bi_sector); return delay_bio(dc, dc->write_delay, bio); } bio->bi_bdev = dc->dev_read->bdev; - bio->bi_sector = dc->start_read + dm_target_offset(ti, bio->bi_sector); + bio->bi_iter.bi_sector = dc->start_read + + dm_target_offset(ti, bio->bi_iter.bi_sector); return delay_bio(dc, dc->read_delay, bio); } diff --git a/drivers/md/dm-flakey.c b/drivers/md/dm-flakey.c index 7fcf21c..b8785cd 100644 --- a/drivers/md/dm-flakey.c +++ b/drivers/md/dm-flakey.c @@ -248,7 +248,8 @@ static void flakey_map_bio(struct dm_target *ti, struct bio *bio) bio->bi_bdev = fc->dev->bdev; if (bio_sectors(bio)) - bio->bi_sector = flakey_map_sector(ti, bio->bi_sector); + bio->bi_iter.bi_sector = + flakey_map_sector(ti, bio->bi_iter.bi_sector); } static void corrupt_bio_data(struct bio *bio, struct flakey_c *fc) @@ -265,8 +266,8 @@ static void corrupt_bio_data(struct bio *bio, struct flakey_c *fc) DMDEBUG("Corrupting data bio=%p by writing %u to byte %u " "(rw=%c bi_rw=%lu bi_sector=%llu cur_bytes=%u)\n", bio, fc->corrupt_bio_value, fc->corrupt_bio_byte, - (bio_data_dir(bio) == WRITE) ? 'w' : 'r', - bio->bi_rw, (unsigned long long)bio->bi_sector, bio_bytes); + (bio_data_dir(bio) == WRITE) ? 'w' : 'r', bio->bi_rw, + (unsigned long long)bio->bi_iter.bi_sector, bio_bytes); } } diff --git a/drivers/md/dm-io.c b/drivers/md/dm-io.c index ea49834..a6de5c9 100644 --- a/drivers/md/dm-io.c +++ b/drivers/md/dm-io.c @@ -305,14 +305,15 @@ static void do_region(int rw, unsigned region, struct dm_io_region *where, dm_sector_div_up(remaining, (PAGE_SIZE >> SECTOR_SHIFT))); bio = bio_alloc_bioset(GFP_NOIO, num_bvecs, io->client->bios); - bio->bi_sector = where->sector + (where->count - remaining); + bio->bi_iter.bi_sector = where->sector + + (where->count - remaining); bio->bi_bdev = where->bdev; bio->bi_end_io = endio; store_io_and_region_in_bio(bio, io, region); if (rw & REQ_DISCARD) { num_sectors = min_t(sector_t, q->limits.max_discard_sectors, remaining); - bio->bi_size = num_sectors << SECTOR_SHIFT; + bio->bi_iter.bi_size = num_sectors << SECTOR_SHIFT; remaining -= num_sectors; } else if (rw & REQ_WRITE_SAME) { /* @@ -321,7 +322,7 @@ static void do_region(int rw, unsigned region, struct dm_io_region *where, dp->get_page(dp, &page, &len, &offset); bio_add_page(bio, page, logical_block_size, offset); num_sectors = min_t(sector_t, q->limits.max_write_same_sectors, remaining); - bio->bi_size = num_sectors << SECTOR_SHIFT; + bio->bi_iter.bi_size = num_sectors << SECTOR_SHIFT; offset = 0; remaining -= num_sectors; diff --git a/drivers/md/dm-linear.c b/drivers/md/dm-linear.c index 4f99d26..53e848c 100644 --- a/drivers/md/dm-linear.c +++ b/drivers/md/dm-linear.c @@ -85,7 +85,8 @@ static void linear_map_bio(struct dm_target *ti, struct bio *bio) bio->bi_bdev = lc->dev->bdev; if (bio_sectors(bio)) - bio->bi_sector = linear_map_sector(ti, bio->bi_sector); + bio->bi_iter.bi_sector = + linear_map_sector(ti, bio->bi_iter.bi_sector); } static int linear_map(struct dm_target *ti, struct bio *bio) diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c index 699b5be..e3efb91 100644 --- a/drivers/md/dm-raid1.c +++ b/drivers/md/dm-raid1.c @@ -432,7 +432,7 @@ static int mirror_available(struct mirror_set *ms, struct bio *bio) region_t region = dm_rh_bio_to_region(ms->rh, bio); if (log->type->in_sync(log, region, 0)) - return choose_mirror(ms, bio->bi_sector) ? 1 : 0; + return choose_mirror(ms, bio->bi_iter.bi_sector) ? 1 : 0; return 0; } @@ -442,15 +442,15 @@ static int mirror_available(struct mirror_set *ms, struct bio *bio) */ static sector_t map_sector(struct mirror *m, struct bio *bio) { - if (unlikely(!bio->bi_size)) + if (unlikely(!bio->bi_iter.bi_size)) return 0; - return m->offset + dm_target_offset(m->ms->ti, bio->bi_sector); + return m->offset + dm_target_offset(m->ms->ti, bio->bi_iter.bi_sector); } static void map_bio(struct mirror *m, struct bio *bio) { bio->bi_bdev = m->dev->bdev; - bio->bi_sector = map_sector(m, bio); + bio->bi_iter.bi_sector = map_sector(m, bio); } static void map_region(struct dm_io_region *io, struct mirror *m, @@ -527,7 +527,7 @@ static void read_async_bio(struct mirror *m, struct bio *bio) struct dm_io_request io_req = { .bi_rw = READ, .mem.type = DM_IO_BVEC, - .mem.ptr.bvec = bio->bi_io_vec + bio->bi_idx, + .mem.ptr.bvec = bio->bi_io_vec + bio->bi_iter.bi_idx, .notify.fn = read_callback, .notify.context = bio, .client = m->ms->io_client, @@ -559,7 +559,7 @@ static void do_reads(struct mirror_set *ms, struct bio_list *reads) * We can only read balance if the region is in sync. */ if (likely(region_in_sync(ms, region, 1))) - m = choose_mirror(ms, bio->bi_sector); + m = choose_mirror(ms, bio->bi_iter.bi_sector); else if (m && atomic_read(&m->error_count)) m = NULL; @@ -630,7 +630,7 @@ static void do_write(struct mirror_set *ms, struct bio *bio) struct dm_io_request io_req = { .bi_rw = WRITE | (bio->bi_rw & WRITE_FLUSH_FUA), .mem.type = DM_IO_BVEC, - .mem.ptr.bvec = bio->bi_io_vec + bio->bi_idx, + .mem.ptr.bvec = bio->bi_io_vec + bio->bi_iter.bi_idx, .notify.fn = write_callback, .notify.context = bio, .client = ms->io_client, @@ -1182,7 +1182,7 @@ static int mirror_map(struct dm_target *ti, struct bio *bio) * The region is in-sync and we can perform reads directly. * Store enough information so we can retry if it fails. */ - m = choose_mirror(ms, bio->bi_sector); + m = choose_mirror(ms, bio->bi_iter.bi_sector); if (unlikely(!m)) return -EIO; diff --git a/drivers/md/dm-region-hash.c b/drivers/md/dm-region-hash.c index 69732e0..b929fd5 100644 --- a/drivers/md/dm-region-hash.c +++ b/drivers/md/dm-region-hash.c @@ -126,7 +126,8 @@ EXPORT_SYMBOL_GPL(dm_rh_region_to_sector); region_t dm_rh_bio_to_region(struct dm_region_hash *rh, struct bio *bio) { - return dm_rh_sector_to_region(rh, bio->bi_sector - rh->target_begin); + return dm_rh_sector_to_region(rh, bio->bi_iter.bi_sector - + rh->target_begin); } EXPORT_SYMBOL_GPL(dm_rh_bio_to_region); diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c index c0e0702..8ebc05a 100644 --- a/drivers/md/dm-snap.c +++ b/drivers/md/dm-snap.c @@ -1562,10 +1562,10 @@ static void remap_exception(struct dm_snapshot *s, struct dm_exception *e, struct bio *bio, chunk_t chunk) { bio->bi_bdev = s->cow->bdev; - bio->bi_sector = chunk_to_sector(s->store, + bio->bi_iter.bi_sector = chunk_to_sector(s->store, dm_chunk_number(e->new_chunk) + (chunk - e->old_chunk)) + - (bio->bi_sector & + (bio->bi_iter.bi_sector & s->store->chunk_mask); } @@ -1584,7 +1584,7 @@ static int snapshot_map(struct dm_target *ti, struct bio *bio) return DM_MAPIO_REMAPPED; } - chunk = sector_to_chunk(s->store, bio->bi_sector); + chunk = sector_to_chunk(s->store, bio->bi_iter.bi_sector); /* Full snapshots are not usable */ /* To get here the table must be live so s->active is always set. */ @@ -1645,7 +1645,8 @@ static int snapshot_map(struct dm_target *ti, struct bio *bio) r = DM_MAPIO_SUBMITTED; if (!pe->started && - bio->bi_size == (s->store->chunk_size << SECTOR_SHIFT)) { + bio->bi_iter.bi_size == + (s->store->chunk_size << SECTOR_SHIFT)) { pe->started = 1; up_write(&s->lock); start_full_bio(pe, bio); @@ -1701,7 +1702,7 @@ static int snapshot_merge_map(struct dm_target *ti, struct bio *bio) return DM_MAPIO_REMAPPED; } - chunk = sector_to_chunk(s->store, bio->bi_sector); + chunk = sector_to_chunk(s->store, bio->bi_iter.bi_sector); down_write(&s->lock); @@ -2038,7 +2039,7 @@ static int do_origin(struct dm_dev *origin, struct bio *bio) down_read(&_origins_lock); o = __lookup_origin(origin->bdev); if (o) - r = __origin_write(&o->snapshots, bio->bi_sector, bio); + r = __origin_write(&o->snapshots, bio->bi_iter.bi_sector, bio); up_read(&_origins_lock); return r; diff --git a/drivers/md/dm-stripe.c b/drivers/md/dm-stripe.c index ea5e878..f9e139e 100644 --- a/drivers/md/dm-stripe.c +++ b/drivers/md/dm-stripe.c @@ -257,13 +257,15 @@ static int stripe_map_range(struct stripe_c *sc, struct bio *bio, { sector_t begin, end; - stripe_map_range_sector(sc, bio->bi_sector, target_stripe, &begin); + stripe_map_range_sector(sc, bio->bi_iter.bi_sector, + target_stripe, &begin); stripe_map_range_sector(sc, bio_end_sector(bio), target_stripe, &end); if (begin < end) { bio->bi_bdev = sc->stripe[target_stripe].dev->bdev; - bio->bi_sector = begin + sc->stripe[target_stripe].physical_start; - bio->bi_size = to_bytes(end - begin); + bio->bi_iter.bi_sector = begin + + sc->stripe[target_stripe].physical_start; + bio->bi_iter.bi_size = to_bytes(end - begin); return DM_MAPIO_REMAPPED; } else { /* The range doesn't map to the target stripe */ @@ -291,9 +293,10 @@ static int stripe_map(struct dm_target *ti, struct bio *bio) return stripe_map_range(sc, bio, target_bio_nr); } - stripe_map_sector(sc, bio->bi_sector, &stripe, &bio->bi_sector); + stripe_map_sector(sc, bio->bi_iter.bi_sector, + &stripe, &bio->bi_iter.bi_sector); - bio->bi_sector += sc->stripe[stripe].physical_start; + bio->bi_iter.bi_sector += sc->stripe[stripe].physical_start; bio->bi_bdev = sc->stripe[stripe].dev->bdev; return DM_MAPIO_REMAPPED; diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c index 009339d..40f8f1f 100644 --- a/drivers/md/dm-thin.c +++ b/drivers/md/dm-thin.c @@ -413,7 +413,7 @@ static bool block_size_is_power_of_two(struct pool *pool) static dm_block_t get_bio_block(struct thin_c *tc, struct bio *bio) { struct pool *pool = tc->pool; - sector_t block_nr = bio->bi_sector; + sector_t block_nr = bio->bi_iter.bi_sector; if (block_size_is_power_of_two(pool)) block_nr >>= pool->sectors_per_block_shift; @@ -426,14 +426,15 @@ static dm_block_t get_bio_block(struct thin_c *tc, struct bio *bio) static void remap(struct thin_c *tc, struct bio *bio, dm_block_t block) { struct pool *pool = tc->pool; - sector_t bi_sector = bio->bi_sector; + sector_t bi_sector = bio->bi_iter.bi_sector; bio->bi_bdev = tc->pool_dev->bdev; if (block_size_is_power_of_two(pool)) - bio->bi_sector = (block << pool->sectors_per_block_shift) | - (bi_sector & (pool->sectors_per_block - 1)); + bio->bi_iter.bi_sector = + (block << pool->sectors_per_block_shift) | + (bi_sector & (pool->sectors_per_block - 1)); else - bio->bi_sector = (block * pool->sectors_per_block) + + bio->bi_iter.bi_sector = (block * pool->sectors_per_block) + sector_div(bi_sector, pool->sectors_per_block); } @@ -721,7 +722,8 @@ static void process_prepared(struct pool *pool, struct list_head *head, */ static int io_overlaps_block(struct pool *pool, struct bio *bio) { - return bio->bi_size == (pool->sectors_per_block << SECTOR_SHIFT); + return bio->bi_iter.bi_size == + (pool->sectors_per_block << SECTOR_SHIFT); } static int io_overwrites_block(struct pool *pool, struct bio *bio) @@ -1121,7 +1123,7 @@ static void process_shared_bio(struct thin_c *tc, struct bio *bio, if (bio_detain(pool, &key, bio, &cell)) return; - if (bio_data_dir(bio) == WRITE && bio->bi_size) + if (bio_data_dir(bio) == WRITE && bio->bi_iter.bi_size) break_sharing(tc, bio, block, &key, lookup_result, cell); else { struct dm_thin_endio_hook *h = dm_per_bio_data(bio, sizeof(struct dm_thin_endio_hook)); @@ -1144,7 +1146,7 @@ static void provision_block(struct thin_c *tc, struct bio *bio, dm_block_t block /* * Remap empty bios (flushes) immediately, without provisioning. */ - if (!bio->bi_size) { + if (!bio->bi_iter.bi_size) { inc_all_io_entry(pool, bio); cell_defer_no_holder(tc, cell); @@ -1244,7 +1246,8 @@ static void process_bio_read_only(struct thin_c *tc, struct bio *bio) r = dm_thin_find_block(tc->td, block, 1, &lookup_result); switch (r) { case 0: - if (lookup_result.shared && (rw == WRITE) && bio->bi_size) + if (lookup_result.shared && + (rw == WRITE) && bio->bi_iter.bi_size) bio_io_error(bio); else { inc_all_io_entry(tc->pool, bio); @@ -2702,7 +2705,7 @@ out_unlock: static int thin_map(struct dm_target *ti, struct bio *bio) { - bio->bi_sector = dm_target_offset(ti, bio->bi_sector); + bio->bi_iter.bi_sector = dm_target_offset(ti, bio->bi_iter.bi_sector); return thin_bio_map(ti, bio); } diff --git a/drivers/md/dm-verity.c b/drivers/md/dm-verity.c index 4f06d9a..b17233a 100644 --- a/drivers/md/dm-verity.c +++ b/drivers/md/dm-verity.c @@ -464,9 +464,9 @@ static int verity_map(struct dm_target *ti, struct bio *bio) struct dm_verity_io *io; bio->bi_bdev = v->data_dev->bdev; - bio->bi_sector = verity_map_sector(v, bio->bi_sector); + bio->bi_iter.bi_sector = verity_map_sector(v, bio->bi_iter.bi_sector); - if (((unsigned)bio->bi_sector | bio_sectors(bio)) & + if (((unsigned)bio->bi_iter.bi_sector | bio_sectors(bio)) & ((1 << (v->data_dev_block_bits - SECTOR_SHIFT)) - 1)) { DMERR_LIMIT("unaligned io"); return -EIO; @@ -485,8 +485,9 @@ static int verity_map(struct dm_target *ti, struct bio *bio) io->v = v; io->orig_bi_end_io = bio->bi_end_io; io->orig_bi_private = bio->bi_private; - io->block = bio->bi_sector >> (v->data_dev_block_bits - SECTOR_SHIFT); - io->n_blocks = bio->bi_size >> v->data_dev_block_bits; + io->block = bio->bi_iter.bi_sector >> + (v->data_dev_block_bits - SECTOR_SHIFT); + io->n_blocks = bio->bi_iter.bi_size >> v->data_dev_block_bits; bio->bi_end_io = verity_end_io; bio->bi_private = io; diff --git a/drivers/md/dm.c b/drivers/md/dm.c index 7e46926..01a2451 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -602,7 +602,7 @@ static void dec_pending(struct dm_io *io, int error) if (io_error == DM_ENDIO_REQUEUE) return; - if ((bio->bi_rw & REQ_FLUSH) && bio->bi_size) { + if ((bio->bi_rw & REQ_FLUSH) && bio->bi_iter.bi_size) { /* * Preflush done for flush with data, reissue * without REQ_FLUSH. @@ -656,7 +656,7 @@ static void end_clone_bio(struct bio *clone, int error) struct dm_rq_clone_bio_info *info = clone->bi_private; struct dm_rq_target_io *tio = info->tio; struct bio *bio = info->orig; - unsigned int nr_bytes = info->orig->bi_size; + unsigned int nr_bytes = info->orig->bi_iter.bi_size; bio_put(clone); @@ -987,7 +987,7 @@ static void __map_bio(struct dm_target_io *tio) * this io. */ atomic_inc(&tio->io->io_count); - sector = clone->bi_sector; + sector = clone->bi_iter.bi_sector; r = ti->type->map(ti, clone); if (r == DM_MAPIO_REMAPPED) { /* the bio has been remapped so dispatch it */ @@ -1019,13 +1019,13 @@ struct clone_info { static void bio_setup_sector(struct bio *bio, sector_t sector, sector_t len) { - bio->bi_sector = sector; - bio->bi_size = to_bytes(len); + bio->bi_iter.bi_sector = sector; + bio->bi_iter.bi_size = to_bytes(len); } static void bio_setup_bv(struct bio *bio, unsigned short idx, unsigned short bv_count) { - bio->bi_idx = idx; + bio->bi_iter.bi_idx = idx; bio->bi_vcnt = idx + bv_count; bio->bi_flags &= ~(1 << BIO_SEG_VALID); } @@ -1061,7 +1061,7 @@ static void clone_split_bio(struct dm_target_io *tio, struct bio *bio, clone->bi_rw = bio->bi_rw; clone->bi_vcnt = 1; clone->bi_io_vec->bv_offset = offset; - clone->bi_io_vec->bv_len = clone->bi_size; + clone->bi_io_vec->bv_len = clone->bi_iter.bi_size; clone->bi_flags |= 1 << BIO_CLONED; clone_bio_integrity(bio, clone, idx, len, offset, 1); @@ -1081,7 +1081,8 @@ static void clone_bio(struct dm_target_io *tio, struct bio *bio, bio_setup_sector(clone, sector, len); bio_setup_bv(clone, idx, bv_count); - if (idx != bio->bi_idx || clone->bi_size < bio->bi_size) + if (idx != bio->bi_iter.bi_idx || + clone->bi_iter.bi_size < bio->bi_iter.bi_size) trim = 1; clone_bio_integrity(bio, clone, idx, len, 0, trim); } @@ -1368,8 +1369,8 @@ static void __split_and_process_bio(struct mapped_device *md, struct bio *bio) ci.io->bio = bio; ci.io->md = md; spin_lock_init(&ci.io->endio_lock); - ci.sector = bio->bi_sector; - ci.idx = bio->bi_idx; + ci.sector = bio->bi_iter.bi_sector; + ci.idx = bio->bi_iter.bi_idx; start_io_acct(ci.io); diff --git a/drivers/md/faulty.c b/drivers/md/faulty.c index 3193aef..e8b4574 100644 --- a/drivers/md/faulty.c +++ b/drivers/md/faulty.c @@ -74,8 +74,8 @@ static void faulty_fail(struct bio *bio, int error) { struct bio *b = bio->bi_private; - b->bi_size = bio->bi_size; - b->bi_sector = bio->bi_sector; + b->bi_iter.bi_size = bio->bi_iter.bi_size; + b->bi_iter.bi_sector = bio->bi_iter.bi_sector; bio_put(bio); @@ -185,26 +185,31 @@ static void make_request(struct mddev *mddev, struct bio *bio) return; } - if (check_sector(conf, bio->bi_sector, bio_end_sector(bio), WRITE)) + if (check_sector(conf, bio->bi_iter.bi_sector, + bio_end_sector(bio), WRITE)) failit = 1; if (check_mode(conf, WritePersistent)) { - add_sector(conf, bio->bi_sector, WritePersistent); + add_sector(conf, bio->bi_iter.bi_sector, + WritePersistent); failit = 1; } if (check_mode(conf, WriteTransient)) failit = 1; } else { /* read request */ - if (check_sector(conf, bio->bi_sector, bio_end_sector(bio), READ)) + if (check_sector(conf, bio->bi_iter.bi_sector, + bio_end_sector(bio), READ)) failit = 1; if (check_mode(conf, ReadTransient)) failit = 1; if (check_mode(conf, ReadPersistent)) { - add_sector(conf, bio->bi_sector, ReadPersistent); + add_sector(conf, bio->bi_iter.bi_sector, + ReadPersistent); failit = 1; } if (check_mode(conf, ReadFixable)) { - add_sector(conf, bio->bi_sector, ReadFixable); + add_sector(conf, bio->bi_iter.bi_sector, + ReadFixable); failit = 1; } } diff --git a/drivers/md/linear.c b/drivers/md/linear.c index f03fabd..fb3b0d0 100644 --- a/drivers/md/linear.c +++ b/drivers/md/linear.c @@ -297,19 +297,19 @@ static void linear_make_request(struct mddev *mddev, struct bio *bio) } rcu_read_lock(); - tmp_dev = which_dev(mddev, bio->bi_sector); + tmp_dev = which_dev(mddev, bio->bi_iter.bi_sector); start_sector = tmp_dev->end_sector - tmp_dev->rdev->sectors; - if (unlikely(bio->bi_sector >= (tmp_dev->end_sector) - || (bio->bi_sector < start_sector))) { + if (unlikely(bio->bi_iter.bi_sector >= (tmp_dev->end_sector) + || (bio->bi_iter.bi_sector < start_sector))) { char b[BDEVNAME_SIZE]; printk(KERN_ERR "md/linear:%s: make_request: Sector %llu out of bounds on " "dev %s: %llu sectors, offset %llu\n", mdname(mddev), - (unsigned long long)bio->bi_sector, + (unsigned long long)bio->bi_iter.bi_sector, bdevname(tmp_dev->rdev->bdev, b), (unsigned long long)tmp_dev->rdev->sectors, (unsigned long long)start_sector); @@ -326,7 +326,7 @@ static void linear_make_request(struct mddev *mddev, struct bio *bio) rcu_read_unlock(); - bp = bio_split(bio, end_sector - bio->bi_sector); + bp = bio_split(bio, end_sector - bio->bi_iter.bi_sector); linear_make_request(mddev, &bp->bio1); linear_make_request(mddev, &bp->bio2); @@ -335,7 +335,7 @@ static void linear_make_request(struct mddev *mddev, struct bio *bio) } bio->bi_bdev = tmp_dev->rdev->bdev; - bio->bi_sector = bio->bi_sector - start_sector + bio->bi_iter.bi_sector = bio->bi_iter.bi_sector - start_sector + tmp_dev->rdev->data_offset; rcu_read_unlock(); diff --git a/drivers/md/md.c b/drivers/md/md.c index d323676..4fae0aa 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -191,21 +191,22 @@ void md_trim_bio(struct bio *bio, int offset, int size) int sofar = 0; size <<= 9; - if (offset == 0 && size == bio->bi_size) + if (offset == 0 && size == bio->bi_iter.bi_size) return; clear_bit(BIO_SEG_VALID, &bio->bi_flags); bio_advance(bio, offset << 9); - bio->bi_size = size; + bio->bi_iter.bi_size = size; /* avoid any complications with bi_idx being non-zero*/ - if (bio->bi_idx) { - memmove(bio->bi_io_vec, bio->bi_io_vec+bio->bi_idx, - (bio->bi_vcnt - bio->bi_idx) * sizeof(struct bio_vec)); - bio->bi_vcnt -= bio->bi_idx; - bio->bi_idx = 0; + if (bio->bi_iter.bi_idx) { + memmove(bio->bi_io_vec, bio->bi_io_vec+bio->bi_iter.bi_idx, + (bio->bi_vcnt - bio->bi_iter.bi_idx) * + sizeof(struct bio_vec)); + bio->bi_vcnt -= bio->bi_iter.bi_idx; + bio->bi_iter.bi_idx = 0; } /* Make sure vcnt and last bv are not too big */ bio_for_each_segment(bvec, bio, i) { @@ -430,7 +431,7 @@ static void md_submit_flush_data(struct work_struct *ws) struct mddev *mddev = container_of(ws, struct mddev, flush_work); struct bio *bio = mddev->flush_bio; - if (bio->bi_size == 0) + if (bio->bi_iter.bi_size == 0) /* an empty barrier - all done */ bio_endio(bio, 0); else { @@ -782,7 +783,7 @@ void md_super_write(struct mddev *mddev, struct md_rdev *rdev, struct bio *bio = bio_alloc_mddev(GFP_NOIO, 1, mddev); bio->bi_bdev = rdev->meta_bdev ? rdev->meta_bdev : rdev->bdev; - bio->bi_sector = sector; + bio->bi_iter.bi_sector = sector; bio_add_page(bio, page, size, 0); bio->bi_private = rdev; bio->bi_end_io = super_written; @@ -821,13 +822,13 @@ int sync_page_io(struct md_rdev *rdev, sector_t sector, int size, bio->bi_bdev = (metadata_op && rdev->meta_bdev) ? rdev->meta_bdev : rdev->bdev; if (metadata_op) - bio->bi_sector = sector + rdev->sb_start; + bio->bi_iter.bi_sector = sector + rdev->sb_start; else if (rdev->mddev->reshape_position != MaxSector && (rdev->mddev->reshape_backwards == (sector >= rdev->mddev->reshape_position))) - bio->bi_sector = sector + rdev->new_data_offset; + bio->bi_iter.bi_sector = sector + rdev->new_data_offset; else - bio->bi_sector = sector + rdev->data_offset; + bio->bi_iter.bi_sector = sector + rdev->data_offset; bio_add_page(bio, page, size, 0); init_completion(&event); bio->bi_private = &event; diff --git a/drivers/md/multipath.c b/drivers/md/multipath.c index 1642eae..849ad39 100644 --- a/drivers/md/multipath.c +++ b/drivers/md/multipath.c @@ -100,7 +100,7 @@ static void multipath_end_request(struct bio *bio, int error) md_error (mp_bh->mddev, rdev); printk(KERN_ERR "multipath: %s: rescheduling sector %llu\n", bdevname(rdev->bdev,b), - (unsigned long long)bio->bi_sector); + (unsigned long long)bio->bi_iter.bi_sector); multipath_reschedule_retry(mp_bh); } else multipath_end_bh_io(mp_bh, error); @@ -132,7 +132,7 @@ static void multipath_make_request(struct mddev *mddev, struct bio * bio) multipath = conf->multipaths + mp_bh->path; mp_bh->bio = *bio; - mp_bh->bio.bi_sector += multipath->rdev->data_offset; + mp_bh->bio.bi_iter.bi_sector += multipath->rdev->data_offset; mp_bh->bio.bi_bdev = multipath->rdev->bdev; mp_bh->bio.bi_rw |= REQ_FAILFAST_TRANSPORT; mp_bh->bio.bi_end_io = multipath_end_request; @@ -355,21 +355,22 @@ static void multipathd(struct md_thread *thread) spin_unlock_irqrestore(&conf->device_lock, flags); bio = &mp_bh->bio; - bio->bi_sector = mp_bh->master_bio->bi_sector; + bio->bi_iter.bi_sector = mp_bh->master_bio->bi_iter.bi_sector; if ((mp_bh->path = multipath_map (conf))<0) { printk(KERN_ALERT "multipath: %s: unrecoverable IO read" " error for block %llu\n", bdevname(bio->bi_bdev,b), - (unsigned long long)bio->bi_sector); + (unsigned long long)bio->bi_iter.bi_sector); multipath_end_bh_io(mp_bh, -EIO); } else { printk(KERN_ERR "multipath: %s: redirecting sector %llu" " to another IO path\n", bdevname(bio->bi_bdev,b), - (unsigned long long)bio->bi_sector); + (unsigned long long)bio->bi_iter.bi_sector); *bio = *(mp_bh->master_bio); - bio->bi_sector += conf->multipaths[mp_bh->path].rdev->data_offset; + bio->bi_iter.bi_sector += + conf->multipaths[mp_bh->path].rdev->data_offset; bio->bi_bdev = conf->multipaths[mp_bh->path].rdev->bdev; bio->bi_rw |= REQ_FAILFAST_TRANSPORT; bio->bi_end_io = multipath_end_request; diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c index fcf65e51..d8c2ec0 100644 --- a/drivers/md/raid0.c +++ b/drivers/md/raid0.c @@ -501,10 +501,11 @@ static inline int is_io_in_chunk_boundary(struct mddev *mddev, unsigned int chunk_sects, struct bio *bio) { if (likely(is_power_of_2(chunk_sects))) { - return chunk_sects >= ((bio->bi_sector & (chunk_sects-1)) + return chunk_sects >= + ((bio->bi_iter.bi_sector & (chunk_sects-1)) + bio_sectors(bio)); } else{ - sector_t sector = bio->bi_sector; + sector_t sector = bio->bi_iter.bi_sector; return chunk_sects >= (sector_div(sector, chunk_sects) + bio_sectors(bio)); } @@ -524,7 +525,7 @@ static void raid0_make_request(struct mddev *mddev, struct bio *bio) chunk_sects = mddev->chunk_sectors; if (unlikely(!is_io_in_chunk_boundary(mddev, chunk_sects, bio))) { - sector_t sector = bio->bi_sector; + sector_t sector = bio->bi_iter.bi_sector; struct bio_pair *bp; /* Sanity check -- queue functions should prevent this happening */ if (bio_segments(bio) > 1) @@ -544,12 +545,12 @@ static void raid0_make_request(struct mddev *mddev, struct bio *bio) return; } - sector_offset = bio->bi_sector; + sector_offset = bio->bi_iter.bi_sector; zone = find_zone(mddev->private, §or_offset); - tmp_dev = map_sector(mddev, zone, bio->bi_sector, + tmp_dev = map_sector(mddev, zone, bio->bi_iter.bi_sector, §or_offset); bio->bi_bdev = tmp_dev->bdev; - bio->bi_sector = sector_offset + zone->dev_start + + bio->bi_iter.bi_sector = sector_offset + zone->dev_start + tmp_dev->data_offset; if (unlikely((bio->bi_rw & REQ_DISCARD) && @@ -566,7 +567,8 @@ bad_map: printk("md/raid0:%s: make_request bug: can't convert block across chunks" " or bigger than %dk %llu %d\n", mdname(mddev), chunk_sects / 2, - (unsigned long long)bio->bi_sector, bio_sectors(bio) / 2); + (unsigned long long)bio->bi_iter.bi_sector, + bio_sectors(bio) / 2); bio_io_error(bio); return; diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index aeb4e3f..b448b87 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -255,8 +255,8 @@ static void raid_end_bio_io(struct r1bio *r1_bio) if (!test_and_set_bit(R1BIO_Returned, &r1_bio->state)) { pr_debug("raid1: sync end %s on sectors %llu-%llu\n", (bio_data_dir(bio) == WRITE) ? "write" : "read", - (unsigned long long) bio->bi_sector, - (unsigned long long) bio->bi_sector + + (unsigned long long) bio->bi_iter.bi_sector, + (unsigned long long) bio->bi_iter.bi_sector + bio_sectors(bio) - 1); call_bio_endio(r1_bio); @@ -446,9 +446,8 @@ static void raid1_end_write_request(struct bio *bio, int error) struct bio *mbio = r1_bio->master_bio; pr_debug("raid1: behind end write sectors" " %llu-%llu\n", - (unsigned long long) mbio->bi_sector, - (unsigned long long) mbio->bi_sector + - bio_sectors(mbio) - 1); + (uint64_t) mbio->bi_iter.bi_sector, + bio_end_sector(mbio) - 1); call_bio_endio(r1_bio); } } @@ -935,7 +934,8 @@ do_sync_io: if (bvecs[i].bv_page) put_page(bvecs[i].bv_page); kfree(bvecs); - pr_debug("%dB behind alloc failed, doing sync I/O\n", bio->bi_size); + pr_debug("%dB behind alloc failed, doing sync I/O\n", + bio->bi_iter.bi_size); } struct raid1_plug_cb { @@ -1009,7 +1009,7 @@ static void make_request(struct mddev *mddev, struct bio * bio) if (bio_data_dir(bio) == WRITE && bio_end_sector(bio) > mddev->suspend_lo && - bio->bi_sector < mddev->suspend_hi) { + bio->bi_iter.bi_sector < mddev->suspend_hi) { /* As the suspend_* range is controlled by * userspace, we want an interruptible * wait. @@ -1020,7 +1020,7 @@ static void make_request(struct mddev *mddev, struct bio * bio) prepare_to_wait(&conf->wait_barrier, &w, TASK_INTERRUPTIBLE); if (bio_end_sector(bio) <= mddev->suspend_lo || - bio->bi_sector >= mddev->suspend_hi) + bio->bi_iter.bi_sector >= mddev->suspend_hi) break; schedule(); } @@ -1042,7 +1042,7 @@ static void make_request(struct mddev *mddev, struct bio * bio) r1_bio->sectors = bio_sectors(bio); r1_bio->state = 0; r1_bio->mddev = mddev; - r1_bio->sector = bio->bi_sector; + r1_bio->sector = bio->bi_iter.bi_sector; /* We might need to issue multiple reads to different * devices if there are bad blocks around, so we keep @@ -1082,12 +1082,13 @@ read_again: r1_bio->read_disk = rdisk; read_bio = bio_clone_mddev(bio, GFP_NOIO, mddev); - md_trim_bio(read_bio, r1_bio->sector - bio->bi_sector, + md_trim_bio(read_bio, r1_bio->sector - bio->bi_iter.bi_sector, max_sectors); r1_bio->bios[rdisk] = read_bio; - read_bio->bi_sector = r1_bio->sector + mirror->rdev->data_offset; + read_bio->bi_iter.bi_sector = r1_bio->sector + + mirror->rdev->data_offset; read_bio->bi_bdev = mirror->rdev->bdev; read_bio->bi_end_io = raid1_end_read_request; read_bio->bi_rw = READ | do_sync; @@ -1099,7 +1100,7 @@ read_again: */ sectors_handled = (r1_bio->sector + max_sectors - - bio->bi_sector); + - bio->bi_iter.bi_sector); r1_bio->sectors = max_sectors; spin_lock_irq(&conf->device_lock); if (bio->bi_phys_segments == 0) @@ -1120,7 +1121,8 @@ read_again: r1_bio->sectors = bio_sectors(bio) - sectors_handled; r1_bio->state = 0; r1_bio->mddev = mddev; - r1_bio->sector = bio->bi_sector + sectors_handled; + r1_bio->sector = bio->bi_iter.bi_sector + + sectors_handled; goto read_again; } else generic_make_request(read_bio); @@ -1239,7 +1241,7 @@ read_again: bio->bi_phys_segments++; spin_unlock_irq(&conf->device_lock); } - sectors_handled = r1_bio->sector + max_sectors - bio->bi_sector; + sectors_handled = r1_bio->sector + max_sectors - bio->bi_iter.bi_sector; atomic_set(&r1_bio->remaining, 1); atomic_set(&r1_bio->behind_remaining, 0); @@ -1251,7 +1253,8 @@ read_again: continue; mbio = bio_clone_mddev(bio, GFP_NOIO, mddev); - md_trim_bio(mbio, r1_bio->sector - bio->bi_sector, max_sectors); + md_trim_bio(mbio, r1_bio->sector - bio->bi_iter.bi_sector, + max_sectors); if (first_clone) { /* do behind I/O ? @@ -1285,7 +1288,7 @@ read_again: r1_bio->bios[i] = mbio; - mbio->bi_sector = (r1_bio->sector + + mbio->bi_iter.bi_sector = (r1_bio->sector + conf->mirrors[i].rdev->data_offset); mbio->bi_bdev = conf->mirrors[i].rdev->bdev; mbio->bi_end_io = raid1_end_write_request; @@ -1325,7 +1328,7 @@ read_again: r1_bio->sectors = bio_sectors(bio) - sectors_handled; r1_bio->state = 0; r1_bio->mddev = mddev; - r1_bio->sector = bio->bi_sector + sectors_handled; + r1_bio->sector = bio->bi_iter.bi_sector + sectors_handled; goto retry_write; } @@ -1875,14 +1878,14 @@ static int process_checks(struct r1bio *r1_bio) /* fixup the bio for reuse */ bio_reset(sbio); sbio->bi_vcnt = vcnt; - sbio->bi_size = r1_bio->sectors << 9; - sbio->bi_sector = r1_bio->sector + + sbio->bi_iter.bi_size = r1_bio->sectors << 9; + sbio->bi_iter.bi_sector = r1_bio->sector + conf->mirrors[i].rdev->data_offset; sbio->bi_bdev = conf->mirrors[i].rdev->bdev; sbio->bi_end_io = end_sync_read; sbio->bi_private = r1_bio; - size = sbio->bi_size; + size = sbio->bi_iter.bi_size; for (j = 0; j < vcnt ; j++) { struct bio_vec *bi; bi = &sbio->bi_io_vec[j]; @@ -2099,11 +2102,11 @@ static int narrow_write_error(struct r1bio *r1_bio, int i) } wbio->bi_rw = WRITE; - wbio->bi_sector = r1_bio->sector; - wbio->bi_size = r1_bio->sectors << 9; + wbio->bi_iter.bi_sector = r1_bio->sector; + wbio->bi_iter.bi_size = r1_bio->sectors << 9; md_trim_bio(wbio, sector - r1_bio->sector, sectors); - wbio->bi_sector += rdev->data_offset; + wbio->bi_iter.bi_sector += rdev->data_offset; wbio->bi_bdev = rdev->bdev; if (submit_bio_wait(WRITE, wbio) == 0) /* failure! */ @@ -2217,7 +2220,8 @@ read_more: } r1_bio->read_disk = disk; bio = bio_clone_mddev(r1_bio->master_bio, GFP_NOIO, mddev); - md_trim_bio(bio, r1_bio->sector - bio->bi_sector, max_sectors); + md_trim_bio(bio, r1_bio->sector - bio->bi_iter.bi_sector, + max_sectors); r1_bio->bios[r1_bio->read_disk] = bio; rdev = conf->mirrors[disk].rdev; printk_ratelimited(KERN_ERR @@ -2226,7 +2230,7 @@ read_more: mdname(mddev), (unsigned long long)r1_bio->sector, bdevname(rdev->bdev, b)); - bio->bi_sector = r1_bio->sector + rdev->data_offset; + bio->bi_iter.bi_sector = r1_bio->sector + rdev->data_offset; bio->bi_bdev = rdev->bdev; bio->bi_end_io = raid1_end_read_request; bio->bi_rw = READ | do_sync; @@ -2235,7 +2239,7 @@ read_more: /* Drat - have to split this up more */ struct bio *mbio = r1_bio->master_bio; int sectors_handled = (r1_bio->sector + max_sectors - - mbio->bi_sector); + - mbio->bi_iter.bi_sector); r1_bio->sectors = max_sectors; spin_lock_irq(&conf->device_lock); if (mbio->bi_phys_segments == 0) @@ -2253,7 +2257,8 @@ read_more: r1_bio->state = 0; set_bit(R1BIO_ReadError, &r1_bio->state); r1_bio->mddev = mddev; - r1_bio->sector = mbio->bi_sector + sectors_handled; + r1_bio->sector = mbio->bi_iter.bi_sector + + sectors_handled; goto read_more; } else @@ -2477,7 +2482,7 @@ static sector_t sync_request(struct mddev *mddev, sector_t sector_nr, int *skipp } if (bio->bi_end_io) { atomic_inc(&rdev->nr_pending); - bio->bi_sector = sector_nr + rdev->data_offset; + bio->bi_iter.bi_sector = sector_nr + rdev->data_offset; bio->bi_bdev = rdev->bdev; bio->bi_private = r1_bio; } @@ -2577,7 +2582,7 @@ static sector_t sync_request(struct mddev *mddev, sector_t sector_nr, int *skipp continue; /* remove last page from this bio */ bio->bi_vcnt--; - bio->bi_size -= len; + bio->bi_iter.bi_size -= len; bio->bi_flags &= ~(1<< BIO_SEG_VALID); } goto bio_full; diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index e32e8b1..c6edd00 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -1169,7 +1169,7 @@ static void make_request(struct mddev *mddev, struct bio * bio) /* If this request crosses a chunk boundary, we need to * split it. This will only happen for 1 PAGE (or less) requests. */ - if (unlikely((bio->bi_sector & chunk_mask) + bio_sectors(bio) + if (unlikely((bio->bi_iter.bi_sector & chunk_mask) + bio_sectors(bio) > chunk_sects && (conf->geo.near_copies < conf->geo.raid_disks || conf->prev.near_copies < conf->prev.raid_disks))) { @@ -1180,8 +1180,8 @@ static void make_request(struct mddev *mddev, struct bio * bio) /* This is a one page bio that upper layers * refuse to split for us, so we need to split it. */ - bp = bio_split(bio, - chunk_sects - (bio->bi_sector & (chunk_sects - 1)) ); + bp = bio_split(bio, chunk_sects - + (bio->bi_iter.bi_sector & (chunk_sects - 1))); /* Each of these 'make_request' calls will call 'wait_barrier'. * If the first succeeds but the second blocks due to the resync @@ -1208,7 +1208,8 @@ static void make_request(struct mddev *mddev, struct bio * bio) bad_map: printk("md/raid10:%s: make_request bug: can't convert block across chunks" " or bigger than %dk %llu %d\n", mdname(mddev), chunk_sects/2, - (unsigned long long)bio->bi_sector, bio_sectors(bio) / 2); + (unsigned long long)bio->bi_iter.bi_sector, + bio_sectors(bio) / 2); bio_io_error(bio); return; @@ -1225,24 +1226,25 @@ static void make_request(struct mddev *mddev, struct bio * bio) sectors = bio_sectors(bio); while (test_bit(MD_RECOVERY_RESHAPE, &mddev->recovery) && - bio->bi_sector < conf->reshape_progress && - bio->bi_sector + sectors > conf->reshape_progress) { + bio->bi_iter.bi_sector < conf->reshape_progress && + bio->bi_iter.bi_sector + sectors > conf->reshape_progress) { /* IO spans the reshape position. Need to wait for * reshape to pass */ allow_barrier(conf); wait_event(conf->wait_barrier, - conf->reshape_progress <= bio->bi_sector || - conf->reshape_progress >= bio->bi_sector + sectors); + conf->reshape_progress <= bio->bi_iter.bi_sector || + conf->reshape_progress >= bio->bi_iter.bi_sector + + sectors); wait_barrier(conf); } if (test_bit(MD_RECOVERY_RESHAPE, &mddev->recovery) && bio_data_dir(bio) == WRITE && (mddev->reshape_backwards - ? (bio->bi_sector < conf->reshape_safe && - bio->bi_sector + sectors > conf->reshape_progress) - : (bio->bi_sector + sectors > conf->reshape_safe && - bio->bi_sector < conf->reshape_progress))) { + ? (bio->bi_iter.bi_sector < conf->reshape_safe && + bio->bi_iter.bi_sector + sectors > conf->reshape_progress) + : (bio->bi_iter.bi_sector + sectors > conf->reshape_safe && + bio->bi_iter.bi_sector < conf->reshape_progress))) { /* Need to update reshape_position in metadata */ mddev->reshape_position = conf->reshape_progress; set_bit(MD_CHANGE_DEVS, &mddev->flags); @@ -1260,7 +1262,7 @@ static void make_request(struct mddev *mddev, struct bio * bio) r10_bio->sectors = sectors; r10_bio->mddev = mddev; - r10_bio->sector = bio->bi_sector; + r10_bio->sector = bio->bi_iter.bi_sector; r10_bio->state = 0; /* We might need to issue multiple reads to different @@ -1289,13 +1291,13 @@ read_again: slot = r10_bio->read_slot; read_bio = bio_clone_mddev(bio, GFP_NOIO, mddev); - md_trim_bio(read_bio, r10_bio->sector - bio->bi_sector, + md_trim_bio(read_bio, r10_bio->sector - bio->bi_iter.bi_sector, max_sectors); r10_bio->devs[slot].bio = read_bio; r10_bio->devs[slot].rdev = rdev; - read_bio->bi_sector = r10_bio->devs[slot].addr + + read_bio->bi_iter.bi_sector = r10_bio->devs[slot].addr + choose_data_offset(r10_bio, rdev); read_bio->bi_bdev = rdev->bdev; read_bio->bi_end_io = raid10_end_read_request; @@ -1307,7 +1309,7 @@ read_again: * need another r10_bio. */ sectors_handled = (r10_bio->sectors + max_sectors - - bio->bi_sector); + - bio->bi_iter.bi_sector); r10_bio->sectors = max_sectors; spin_lock_irq(&conf->device_lock); if (bio->bi_phys_segments == 0) @@ -1328,7 +1330,8 @@ read_again: r10_bio->sectors = bio_sectors(bio) - sectors_handled; r10_bio->state = 0; r10_bio->mddev = mddev; - r10_bio->sector = bio->bi_sector + sectors_handled; + r10_bio->sector = bio->bi_iter.bi_sector + + sectors_handled; goto read_again; } else generic_make_request(read_bio); @@ -1486,7 +1489,8 @@ retry_write: bio->bi_phys_segments++; spin_unlock_irq(&conf->device_lock); } - sectors_handled = r10_bio->sector + max_sectors - bio->bi_sector; + sectors_handled = r10_bio->sector + max_sectors - + bio->bi_iter.bi_sector; atomic_set(&r10_bio->remaining, 1); bitmap_startwrite(mddev->bitmap, r10_bio->sector, r10_bio->sectors, 0); @@ -1497,11 +1501,11 @@ retry_write: if (r10_bio->devs[i].bio) { struct md_rdev *rdev = conf->mirrors[d].rdev; mbio = bio_clone_mddev(bio, GFP_NOIO, mddev); - md_trim_bio(mbio, r10_bio->sector - bio->bi_sector, - max_sectors); + md_trim_bio(mbio, r10_bio->sector - + bio->bi_iter.bi_sector, max_sectors); r10_bio->devs[i].bio = mbio; - mbio->bi_sector = (r10_bio->devs[i].addr+ + mbio->bi_iter.bi_sector = (r10_bio->devs[i].addr+ choose_data_offset(r10_bio, rdev)); mbio->bi_bdev = rdev->bdev; @@ -1540,11 +1544,11 @@ retry_write: rdev = conf->mirrors[d].rdev; } mbio = bio_clone_mddev(bio, GFP_NOIO, mddev); - md_trim_bio(mbio, r10_bio->sector - bio->bi_sector, - max_sectors); + md_trim_bio(mbio, r10_bio->sector - + bio->bi_iter.bi_sector, max_sectors); r10_bio->devs[i].repl_bio = mbio; - mbio->bi_sector = (r10_bio->devs[i].addr + + mbio->bi_iter.bi_sector = (r10_bio->devs[i].addr + choose_data_offset( r10_bio, rdev)); mbio->bi_bdev = rdev->bdev; @@ -1578,7 +1582,7 @@ retry_write: r10_bio->sectors = bio_sectors(bio) - sectors_handled; r10_bio->mddev = mddev; - r10_bio->sector = bio->bi_sector + sectors_handled; + r10_bio->sector = bio->bi_iter.bi_sector + sectors_handled; r10_bio->state = 0; goto retry_write; } @@ -2080,10 +2084,10 @@ static void sync_request_write(struct mddev *mddev, struct r10bio *r10_bio) bio_reset(tbio); tbio->bi_vcnt = vcnt; - tbio->bi_size = r10_bio->sectors << 9; + tbio->bi_iter.bi_size = r10_bio->sectors << 9; tbio->bi_rw = WRITE; tbio->bi_private = r10_bio; - tbio->bi_sector = r10_bio->devs[i].addr; + tbio->bi_iter.bi_sector = r10_bio->devs[i].addr; for (j=0; j < vcnt ; j++) { tbio->bi_io_vec[j].bv_offset = 0; @@ -2100,7 +2104,7 @@ static void sync_request_write(struct mddev *mddev, struct r10bio *r10_bio) atomic_inc(&r10_bio->remaining); md_sync_acct(conf->mirrors[d].rdev->bdev, bio_sectors(tbio)); - tbio->bi_sector += conf->mirrors[d].rdev->data_offset; + tbio->bi_iter.bi_sector += conf->mirrors[d].rdev->data_offset; tbio->bi_bdev = conf->mirrors[d].rdev->bdev; generic_make_request(tbio); } @@ -2564,8 +2568,8 @@ static int narrow_write_error(struct r10bio *r10_bio, int i) sectors = sect_to_write; /* Write at 'sector' for 'sectors' */ wbio = bio_clone_mddev(bio, GFP_NOIO, mddev); - md_trim_bio(wbio, sector - bio->bi_sector, sectors); - wbio->bi_sector = (r10_bio->devs[i].addr+ + md_trim_bio(wbio, sector - bio->bi_iter.bi_sector, sectors); + wbio->bi_iter.bi_sector = (r10_bio->devs[i].addr+ choose_data_offset(r10_bio, rdev) + (sector - r10_bio->sector)); wbio->bi_bdev = rdev->bdev; @@ -2638,11 +2642,11 @@ read_more: bio = bio_clone_mddev(r10_bio->master_bio, GFP_NOIO, mddev); md_trim_bio(bio, - r10_bio->sector - bio->bi_sector, + r10_bio->sector - bio->bi_iter.bi_sector, max_sectors); r10_bio->devs[slot].bio = bio; r10_bio->devs[slot].rdev = rdev; - bio->bi_sector = r10_bio->devs[slot].addr + bio->bi_iter.bi_sector = r10_bio->devs[slot].addr + choose_data_offset(r10_bio, rdev); bio->bi_bdev = rdev->bdev; bio->bi_rw = READ | do_sync; @@ -2653,7 +2657,7 @@ read_more: struct bio *mbio = r10_bio->master_bio; int sectors_handled = r10_bio->sector + max_sectors - - mbio->bi_sector; + - mbio->bi_iter.bi_sector; r10_bio->sectors = max_sectors; spin_lock_irq(&conf->device_lock); if (mbio->bi_phys_segments == 0) @@ -2671,7 +2675,7 @@ read_more: set_bit(R10BIO_ReadError, &r10_bio->state); r10_bio->mddev = mddev; - r10_bio->sector = mbio->bi_sector + r10_bio->sector = mbio->bi_iter.bi_sector + sectors_handled; goto read_more; @@ -3094,7 +3098,8 @@ static sector_t sync_request(struct mddev *mddev, sector_t sector_nr, bio->bi_end_io = end_sync_read; bio->bi_rw = READ; from_addr = r10_bio->devs[j].addr; - bio->bi_sector = from_addr + rdev->data_offset; + bio->bi_iter.bi_sector = from_addr + + rdev->data_offset; bio->bi_bdev = rdev->bdev; atomic_inc(&rdev->nr_pending); /* and we write to 'i' (if not in_sync) */ @@ -3118,7 +3123,7 @@ static sector_t sync_request(struct mddev *mddev, sector_t sector_nr, bio->bi_private = r10_bio; bio->bi_end_io = end_sync_write; bio->bi_rw = WRITE; - bio->bi_sector = to_addr + bio->bi_iter.bi_sector = to_addr + rdev->data_offset; bio->bi_bdev = rdev->bdev; atomic_inc(&r10_bio->remaining); @@ -3147,7 +3152,8 @@ static sector_t sync_request(struct mddev *mddev, sector_t sector_nr, bio->bi_private = r10_bio; bio->bi_end_io = end_sync_write; bio->bi_rw = WRITE; - bio->bi_sector = to_addr + rdev->data_offset; + bio->bi_iter.bi_sector = to_addr + + rdev->data_offset; bio->bi_bdev = rdev->bdev; atomic_inc(&r10_bio->remaining); break; @@ -3265,7 +3271,7 @@ static sector_t sync_request(struct mddev *mddev, sector_t sector_nr, bio->bi_private = r10_bio; bio->bi_end_io = end_sync_read; bio->bi_rw = READ; - bio->bi_sector = sector + + bio->bi_iter.bi_sector = sector + conf->mirrors[d].rdev->data_offset; bio->bi_bdev = conf->mirrors[d].rdev->bdev; count++; @@ -3287,7 +3293,7 @@ static sector_t sync_request(struct mddev *mddev, sector_t sector_nr, bio->bi_private = r10_bio; bio->bi_end_io = end_sync_write; bio->bi_rw = WRITE; - bio->bi_sector = sector + + bio->bi_iter.bi_sector = sector + conf->mirrors[d].replacement->data_offset; bio->bi_bdev = conf->mirrors[d].replacement->bdev; count++; @@ -3334,7 +3340,7 @@ static sector_t sync_request(struct mddev *mddev, sector_t sector_nr, bio2 = bio2->bi_next) { /* remove last page from this bio */ bio2->bi_vcnt--; - bio2->bi_size -= len; + bio2->bi_iter.bi_size -= len; bio2->bi_flags &= ~(1<< BIO_SEG_VALID); } goto bio_full; @@ -4349,7 +4355,7 @@ read_more: read_bio = bio_alloc_mddev(GFP_KERNEL, RESYNC_PAGES, mddev); read_bio->bi_bdev = rdev->bdev; - read_bio->bi_sector = (r10_bio->devs[r10_bio->read_slot].addr + read_bio->bi_iter.bi_sector = (r10_bio->devs[r10_bio->read_slot].addr + rdev->data_offset); read_bio->bi_private = r10_bio; read_bio->bi_end_io = end_sync_read; @@ -4357,7 +4363,7 @@ read_more: read_bio->bi_flags &= ~(BIO_POOL_MASK - 1); read_bio->bi_flags |= 1 << BIO_UPTODATE; read_bio->bi_vcnt = 0; - read_bio->bi_size = 0; + read_bio->bi_iter.bi_size = 0; r10_bio->master_bio = read_bio; r10_bio->read_slot = r10_bio->devs[r10_bio->read_slot].devnum; @@ -4383,7 +4389,8 @@ read_more: bio_reset(b); b->bi_bdev = rdev2->bdev; - b->bi_sector = r10_bio->devs[s/2].addr + rdev2->new_data_offset; + b->bi_iter.bi_sector = r10_bio->devs[s/2].addr + + rdev2->new_data_offset; b->bi_private = r10_bio; b->bi_end_io = end_reshape_write; b->bi_rw = WRITE; @@ -4410,7 +4417,7 @@ read_more: bio2 = bio2->bi_next) { /* Remove last page from this bio */ bio2->bi_vcnt--; - bio2->bi_size -= len; + bio2->bi_iter.bi_size -= len; bio2->bi_flags &= ~(1<bi_sector + sectors < sector + STRIPE_SECTORS) + if (bio->bi_iter.bi_sector + sectors < sector + STRIPE_SECTORS) return bio->bi_next; else return NULL; @@ -183,7 +183,7 @@ static void return_io(struct bio *return_bi) return_bi = bi->bi_next; bi->bi_next = NULL; - bi->bi_size = 0; + bi->bi_iter.bi_size = 0; bio_endio(bi, 0); bi = return_bi; } @@ -654,17 +654,17 @@ static void ops_run_io(struct stripe_head *sh, struct stripe_head_state *s) bi->bi_rw, i); atomic_inc(&sh->count); if (use_new_offset(conf, sh)) - bi->bi_sector = (sh->sector + bi->bi_iter.bi_sector = (sh->sector + rdev->new_data_offset); else - bi->bi_sector = (sh->sector + bi->bi_iter.bi_sector = (sh->sector + rdev->data_offset); if (test_bit(R5_ReadNoMerge, &sh->dev[i].flags)) bi->bi_rw |= REQ_FLUSH; bi->bi_io_vec[0].bv_len = STRIPE_SIZE; bi->bi_io_vec[0].bv_offset = 0; - bi->bi_size = STRIPE_SIZE; + bi->bi_iter.bi_size = STRIPE_SIZE; if (rrdev) set_bit(R5_DOUBLE_LOCKED, &sh->dev[i].flags); trace_block_bio_remap(bdev_get_queue(bi->bi_bdev), @@ -692,14 +692,14 @@ static void ops_run_io(struct stripe_head *sh, struct stripe_head_state *s) rbi->bi_rw, i); atomic_inc(&sh->count); if (use_new_offset(conf, sh)) - rbi->bi_sector = (sh->sector + rbi->bi_iter.bi_sector = (sh->sector + rrdev->new_data_offset); else - rbi->bi_sector = (sh->sector + rbi->bi_iter.bi_sector = (sh->sector + rrdev->data_offset); rbi->bi_io_vec[0].bv_len = STRIPE_SIZE; rbi->bi_io_vec[0].bv_offset = 0; - rbi->bi_size = STRIPE_SIZE; + rbi->bi_iter.bi_size = STRIPE_SIZE; trace_block_bio_remap(bdev_get_queue(rbi->bi_bdev), rbi, disk_devt(conf->mddev->gendisk), sh->dev[i].sector); @@ -727,10 +727,10 @@ async_copy_data(int frombio, struct bio *bio, struct page *page, struct async_submit_ctl submit; enum async_tx_flags flags = 0; - if (bio->bi_sector >= sector) - page_offset = (signed)(bio->bi_sector - sector) * 512; + if (bio->bi_iter.bi_sector >= sector) + page_offset = (signed)(bio->bi_iter.bi_sector - sector) * 512; else - page_offset = (signed)(sector - bio->bi_sector) * -512; + page_offset = (signed)(sector - bio->bi_iter.bi_sector) * -512; if (frombio) flags |= ASYNC_TX_FENCE; @@ -797,7 +797,7 @@ static void ops_complete_biofill(void *stripe_head_ref) BUG_ON(!dev->read); rbi = dev->read; dev->read = NULL; - while (rbi && rbi->bi_sector < + while (rbi && rbi->bi_iter.bi_sector < dev->sector + STRIPE_SECTORS) { rbi2 = r5_next_bio(rbi, dev->sector); if (!raid5_dec_bi_active_stripes(rbi)) { @@ -833,7 +833,7 @@ static void ops_run_biofill(struct stripe_head *sh) dev->read = rbi = dev->toread; dev->toread = NULL; spin_unlock_irq(&sh->stripe_lock); - while (rbi && rbi->bi_sector < + while (rbi && rbi->bi_iter.bi_sector < dev->sector + STRIPE_SECTORS) { tx = async_copy_data(0, rbi, dev->page, dev->sector, tx); @@ -1175,7 +1175,7 @@ ops_run_biodrain(struct stripe_head *sh, struct dma_async_tx_descriptor *tx) wbi = dev->written = chosen; spin_unlock_irq(&sh->stripe_lock); - while (wbi && wbi->bi_sector < + while (wbi && wbi->bi_iter.bi_sector < dev->sector + STRIPE_SECTORS) { if (wbi->bi_rw & REQ_FUA) set_bit(R5_WantFUA, &dev->flags); @@ -2364,7 +2364,7 @@ static int add_stripe_bio(struct stripe_head *sh, struct bio *bi, int dd_idx, in int firstwrite=0; pr_debug("adding bi b#%llu to stripe s#%llu\n", - (unsigned long long)bi->bi_sector, + (unsigned long long)bi->bi_iter.bi_sector, (unsigned long long)sh->sector); /* @@ -2382,12 +2382,12 @@ static int add_stripe_bio(struct stripe_head *sh, struct bio *bi, int dd_idx, in firstwrite = 1; } else bip = &sh->dev[dd_idx].toread; - while (*bip && (*bip)->bi_sector < bi->bi_sector) { - if (bio_end_sector(*bip) > bi->bi_sector) + while (*bip && (*bip)->bi_iter.bi_sector < bi->bi_iter.bi_sector) { + if (bio_end_sector(*bip) > bi->bi_iter.bi_sector) goto overlap; bip = & (*bip)->bi_next; } - if (*bip && (*bip)->bi_sector < bio_end_sector(bi)) + if (*bip && (*bip)->bi_iter.bi_sector < bio_end_sector(bi)) goto overlap; BUG_ON(*bip && bi->bi_next && (*bip) != bi->bi_next); @@ -2401,7 +2401,7 @@ static int add_stripe_bio(struct stripe_head *sh, struct bio *bi, int dd_idx, in sector_t sector = sh->dev[dd_idx].sector; for (bi=sh->dev[dd_idx].towrite; sector < sh->dev[dd_idx].sector + STRIPE_SECTORS && - bi && bi->bi_sector <= sector; + bi && bi->bi_iter.bi_sector <= sector; bi = r5_next_bio(bi, sh->dev[dd_idx].sector)) { if (bio_end_sector(bi) >= sector) sector = bio_end_sector(bi); @@ -2411,7 +2411,7 @@ static int add_stripe_bio(struct stripe_head *sh, struct bio *bi, int dd_idx, in } pr_debug("added bi b#%llu to stripe s#%llu, disk %d.\n", - (unsigned long long)(*bip)->bi_sector, + (unsigned long long)(*bip)->bi_iter.bi_sector, (unsigned long long)sh->sector, dd_idx); spin_unlock_irq(&sh->stripe_lock); @@ -2486,7 +2486,7 @@ handle_failed_stripe(struct r5conf *conf, struct stripe_head *sh, if (test_and_clear_bit(R5_Overlap, &sh->dev[i].flags)) wake_up(&conf->wait_for_overlap); - while (bi && bi->bi_sector < + while (bi && bi->bi_iter.bi_sector < sh->dev[i].sector + STRIPE_SECTORS) { struct bio *nextbi = r5_next_bio(bi, sh->dev[i].sector); clear_bit(BIO_UPTODATE, &bi->bi_flags); @@ -2505,7 +2505,7 @@ handle_failed_stripe(struct r5conf *conf, struct stripe_head *sh, bi = sh->dev[i].written; sh->dev[i].written = NULL; if (bi) bitmap_end = 1; - while (bi && bi->bi_sector < + while (bi && bi->bi_iter.bi_sector < sh->dev[i].sector + STRIPE_SECTORS) { struct bio *bi2 = r5_next_bio(bi, sh->dev[i].sector); clear_bit(BIO_UPTODATE, &bi->bi_flags); @@ -2529,7 +2529,7 @@ handle_failed_stripe(struct r5conf *conf, struct stripe_head *sh, spin_unlock_irq(&sh->stripe_lock); if (test_and_clear_bit(R5_Overlap, &sh->dev[i].flags)) wake_up(&conf->wait_for_overlap); - while (bi && bi->bi_sector < + while (bi && bi->bi_iter.bi_sector < sh->dev[i].sector + STRIPE_SECTORS) { struct bio *nextbi = r5_next_bio(bi, sh->dev[i].sector); @@ -2750,7 +2750,7 @@ static void handle_stripe_clean_event(struct r5conf *conf, clear_bit(R5_UPTODATE, &dev->flags); wbi = dev->written; dev->written = NULL; - while (wbi && wbi->bi_sector < + while (wbi && wbi->bi_iter.bi_sector < dev->sector + STRIPE_SECTORS) { wbi2 = r5_next_bio(wbi, dev->sector); if (!raid5_dec_bi_active_stripes(wbi)) { @@ -3801,7 +3801,7 @@ static int raid5_mergeable_bvec(struct request_queue *q, static int in_chunk_boundary(struct mddev *mddev, struct bio *bio) { - sector_t sector = bio->bi_sector + get_start_sect(bio->bi_bdev); + sector_t sector = bio->bi_iter.bi_sector + get_start_sect(bio->bi_bdev); unsigned int chunk_sectors = mddev->chunk_sectors; unsigned int bio_sectors = bio_sectors(bio); @@ -3936,9 +3936,9 @@ static int chunk_aligned_read(struct mddev *mddev, struct bio * raid_bio) /* * compute position */ - align_bi->bi_sector = raid5_compute_sector(conf, raid_bio->bi_sector, - 0, - &dd_idx, NULL); + align_bi->bi_iter.bi_sector = + raid5_compute_sector(conf, raid_bio->bi_iter.bi_sector, + 0, &dd_idx, NULL); end_sector = bio_end_sector(align_bi); rcu_read_lock(); @@ -3963,7 +3963,8 @@ static int chunk_aligned_read(struct mddev *mddev, struct bio * raid_bio) align_bi->bi_flags &= ~(1 << BIO_SEG_VALID); if (!bio_fits_rdev(align_bi) || - is_badblock(rdev, align_bi->bi_sector, bio_sectors(align_bi), + is_badblock(rdev, align_bi->bi_iter.bi_sector, + bio_sectors(align_bi), &first_bad, &bad_sectors)) { /* too big in some way, or has a known bad block */ bio_put(align_bi); @@ -3972,7 +3973,7 @@ static int chunk_aligned_read(struct mddev *mddev, struct bio * raid_bio) } /* No reshape active, so we can trust rdev->data_offset */ - align_bi->bi_sector += rdev->data_offset; + align_bi->bi_iter.bi_sector += rdev->data_offset; spin_lock_irq(&conf->device_lock); wait_event_lock_irq(conf->wait_for_stripe, @@ -3983,7 +3984,7 @@ static int chunk_aligned_read(struct mddev *mddev, struct bio * raid_bio) trace_block_bio_remap(bdev_get_queue(align_bi->bi_bdev), align_bi, disk_devt(mddev->gendisk), - raid_bio->bi_sector); + raid_bio->bi_iter.bi_sector); generic_make_request(align_bi); return 1; } else { @@ -4117,8 +4118,8 @@ static void make_discard_request(struct mddev *mddev, struct bio *bi) /* Skip discard while reshape is happening */ return; - logical_sector = bi->bi_sector & ~((sector_t)STRIPE_SECTORS-1); - last_sector = bi->bi_sector + (bi->bi_size>>9); + logical_sector = bi->bi_iter.bi_sector & ~((sector_t)STRIPE_SECTORS-1); + last_sector = bi->bi_iter.bi_sector + (bi->bi_iter.bi_size>>9); bi->bi_next = NULL; bi->bi_phys_segments = 1; /* over-loaded to count active stripes */ @@ -4214,7 +4215,7 @@ static void make_request(struct mddev *mddev, struct bio * bi) return; } - logical_sector = bi->bi_sector & ~((sector_t)STRIPE_SECTORS-1); + logical_sector = bi->bi_iter.bi_sector & ~((sector_t)STRIPE_SECTORS-1); last_sector = bio_end_sector(bi); bi->bi_next = NULL; bi->bi_phys_segments = 1; /* over-loaded to count active stripes */ @@ -4675,7 +4676,8 @@ static int retry_aligned_read(struct r5conf *conf, struct bio *raid_bio) int remaining; int handled = 0; - logical_sector = raid_bio->bi_sector & ~((sector_t)STRIPE_SECTORS-1); + logical_sector = raid_bio->bi_iter.bi_sector & + ~((sector_t)STRIPE_SECTORS-1); sector = raid5_compute_sector(conf, logical_sector, 0, &dd_idx, NULL); last_sector = bio_end_sector(raid_bio); diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c index 12d08b4..bcebfba 100644 --- a/drivers/s390/block/dcssblk.c +++ b/drivers/s390/block/dcssblk.c @@ -823,7 +823,8 @@ dcssblk_make_request(struct request_queue *q, struct bio *bio) dev_info = bio->bi_bdev->bd_disk->private_data; if (dev_info == NULL) goto fail; - if ((bio->bi_sector & 7) != 0 || (bio->bi_size & 4095) != 0) + if ((bio->bi_iter.bi_sector & 7) != 0 || + (bio->bi_iter.bi_size & 4095) != 0) /* Request is not page-aligned. */ goto fail; if (bio_end_sector(bio) > get_capacity(bio->bi_bdev->bd_disk)) { @@ -846,7 +847,7 @@ dcssblk_make_request(struct request_queue *q, struct bio *bio) } } - index = (bio->bi_sector >> 3); + index = (bio->bi_iter.bi_sector >> 3); bio_for_each_segment(bvec, bio, i) { page_addr = (unsigned long) page_address(bvec->bv_page) + bvec->bv_offset; diff --git a/drivers/s390/block/xpram.c b/drivers/s390/block/xpram.c index 690c333..0330859 100644 --- a/drivers/s390/block/xpram.c +++ b/drivers/s390/block/xpram.c @@ -190,15 +190,16 @@ static void xpram_make_request(struct request_queue *q, struct bio *bio) unsigned long bytes; int i; - if ((bio->bi_sector & 7) != 0 || (bio->bi_size & 4095) != 0) + if ((bio->bi_iter.bi_sector & 7) != 0 || + (bio->bi_iter.bi_size & 4095) != 0) /* Request is not page-aligned. */ goto fail; - if ((bio->bi_size >> 12) > xdev->size) + if ((bio->bi_iter.bi_size >> 12) > xdev->size) /* Request size is no page-aligned. */ goto fail; - if ((bio->bi_sector >> 3) > 0xffffffffU - xdev->offset) + if ((bio->bi_iter.bi_sector >> 3) > 0xffffffffU - xdev->offset) goto fail; - index = (bio->bi_sector >> 3) + xdev->offset; + index = (bio->bi_iter.bi_sector >> 3) + xdev->offset; bio_for_each_segment(bvec, bio, i) { page_addr = (unsigned long) kmap(bvec->bv_page) + bvec->bv_offset; diff --git a/drivers/scsi/osd/osd_initiator.c b/drivers/scsi/osd/osd_initiator.c index d8293f2..d6125d8 100644 --- a/drivers/scsi/osd/osd_initiator.c +++ b/drivers/scsi/osd/osd_initiator.c @@ -731,7 +731,7 @@ static int _osd_req_list_objects(struct osd_request *or, bio->bi_rw &= ~REQ_WRITE; or->in.bio = bio; - or->in.total_bytes = bio->bi_size; + or->in.total_bytes = bio->bi_iter.bi_size; return 0; } diff --git a/drivers/staging/zram/zram_drv.c b/drivers/staging/zram/zram_drv.c index 5918fd7..4d395a5 100644 --- a/drivers/staging/zram/zram_drv.c +++ b/drivers/staging/zram/zram_drv.c @@ -380,8 +380,9 @@ static void __zram_make_request(struct zram *zram, struct bio *bio, int rw) break; } - index = bio->bi_sector >> SECTORS_PER_PAGE_SHIFT; - offset = (bio->bi_sector & (SECTORS_PER_PAGE - 1)) << SECTOR_SHIFT; + index = bio->bi_iter.bi_sector >> SECTORS_PER_PAGE_SHIFT; + offset = (bio->bi_iter.bi_sector & + (SECTORS_PER_PAGE - 1)) << SECTOR_SHIFT; bio_for_each_segment(bvec, bio, i) { int max_transfer_size = PAGE_SIZE - offset; @@ -426,9 +427,10 @@ out: static inline int valid_io_request(struct zram *zram, struct bio *bio) { if (unlikely( - (bio->bi_sector >= (zram->disksize >> SECTOR_SHIFT)) || - (bio->bi_sector & (ZRAM_SECTOR_PER_LOGICAL_BLOCK - 1)) || - (bio->bi_size & (ZRAM_LOGICAL_BLOCK_SIZE - 1)))) { + (bio->bi_iter.bi_sector >= (zram->disksize >> SECTOR_SHIFT)) || + (bio->bi_iter.bi_sector & + (ZRAM_SECTOR_PER_LOGICAL_BLOCK - 1)) || + (bio->bi_iter.bi_size & (ZRAM_LOGICAL_BLOCK_SIZE - 1)))) { return 0; } diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c index 8bcc514..b8c8997 100644 --- a/drivers/target/target_core_iblock.c +++ b/drivers/target/target_core_iblock.c @@ -319,7 +319,7 @@ iblock_get_bio(struct se_cmd *cmd, sector_t lba, u32 sg_num) bio->bi_bdev = ib_dev->ibd_bd; bio->bi_private = cmd; bio->bi_end_io = &iblock_bio_done; - bio->bi_sector = lba; + bio->bi_iter.bi_sector = lba; return bio; } diff --git a/fs/bio-integrity.c b/fs/bio-integrity.c index 8fb4291..f824c30 100644 --- a/fs/bio-integrity.c +++ b/fs/bio-integrity.c @@ -215,9 +215,9 @@ unsigned int bio_integrity_tag_size(struct bio *bio) { struct blk_integrity *bi = bdev_get_integrity(bio->bi_bdev); - BUG_ON(bio->bi_size == 0); + BUG_ON(bio->bi_iter.bi_size == 0); - return bi->tag_size * (bio->bi_size / bi->sector_size); + return bi->tag_size * (bio->bi_iter.bi_size / bi->sector_size); } EXPORT_SYMBOL(bio_integrity_tag_size); @@ -300,7 +300,7 @@ static void bio_integrity_generate(struct bio *bio) struct blk_integrity *bi = bdev_get_integrity(bio->bi_bdev); struct blk_integrity_exchg bix; struct bio_vec *bv; - sector_t sector = bio->bi_sector; + sector_t sector = bio->bi_iter.bi_sector; unsigned int i, sectors, total; void *prot_buf = bio->bi_integrity->bip_buf; @@ -387,7 +387,7 @@ int bio_integrity_prep(struct bio *bio) bip->bip_owns_buf = 1; bip->bip_buf = buf; bip->bip_size = len; - bip->bip_sector = bio->bi_sector; + bip->bip_sector = bio->bi_iter.bi_sector; /* Map it */ offset = offset_in_page(buf); diff --git a/fs/bio.c b/fs/bio.c index 9238a54..85dcc10 100644 --- a/fs/bio.c +++ b/fs/bio.c @@ -531,13 +531,13 @@ void __bio_clone(struct bio *bio, struct bio *bio_src) * most users will be overriding ->bi_bdev with a new target, * so we don't set nor calculate new physical/hw segment counts here */ - bio->bi_sector = bio_src->bi_sector; + bio->bi_iter.bi_sector = bio_src->bi_iter.bi_sector; bio->bi_bdev = bio_src->bi_bdev; bio->bi_flags |= 1 << BIO_CLONED; bio->bi_rw = bio_src->bi_rw; bio->bi_vcnt = bio_src->bi_vcnt; - bio->bi_size = bio_src->bi_size; - bio->bi_idx = bio_src->bi_idx; + bio->bi_iter.bi_size = bio_src->bi_iter.bi_size; + bio->bi_iter.bi_idx = bio_src->bi_iter.bi_idx; } EXPORT_SYMBOL(__bio_clone); @@ -611,7 +611,7 @@ static int __bio_add_page(struct request_queue *q, struct bio *bio, struct page if (unlikely(bio_flagged(bio, BIO_CLONED))) return 0; - if (((bio->bi_size + len) >> 9) > max_sectors) + if (((bio->bi_iter.bi_size + len) >> 9) > max_sectors) return 0; /* @@ -634,8 +634,9 @@ static int __bio_add_page(struct request_queue *q, struct bio *bio, struct page simulate merging updated prev_bvec as new bvec. */ .bi_bdev = bio->bi_bdev, - .bi_sector = bio->bi_sector, - .bi_size = bio->bi_size - prev_bv_len, + .bi_sector = bio->bi_iter.bi_sector, + .bi_size = bio->bi_iter.bi_size - + prev_bv_len, .bi_rw = bio->bi_rw, }; @@ -683,8 +684,8 @@ static int __bio_add_page(struct request_queue *q, struct bio *bio, struct page if (q->merge_bvec_fn) { struct bvec_merge_data bvm = { .bi_bdev = bio->bi_bdev, - .bi_sector = bio->bi_sector, - .bi_size = bio->bi_size, + .bi_sector = bio->bi_iter.bi_sector, + .bi_size = bio->bi_iter.bi_size, .bi_rw = bio->bi_rw, }; @@ -707,7 +708,7 @@ static int __bio_add_page(struct request_queue *q, struct bio *bio, struct page bio->bi_vcnt++; bio->bi_phys_segments++; done: - bio->bi_size += len; + bio->bi_iter.bi_size += len; return len; } @@ -806,22 +807,22 @@ void bio_advance(struct bio *bio, unsigned bytes) if (bio_integrity(bio)) bio_integrity_advance(bio, bytes); - bio->bi_sector += bytes >> 9; - bio->bi_size -= bytes; + bio->bi_iter.bi_sector += bytes >> 9; + bio->bi_iter.bi_size -= bytes; if (bio->bi_rw & BIO_NO_ADVANCE_ITER_MASK) return; while (bytes) { - if (unlikely(bio->bi_idx >= bio->bi_vcnt)) { + if (unlikely(bio->bi_iter.bi_idx >= bio->bi_vcnt)) { WARN_ONCE(1, "bio idx %d >= vcnt %d\n", - bio->bi_idx, bio->bi_vcnt); + bio->bi_iter.bi_idx, bio->bi_vcnt); break; } if (bytes >= bio_iovec(bio)->bv_len) { bytes -= bio_iovec(bio)->bv_len; - bio->bi_idx++; + bio->bi_iter.bi_idx++; } else { bio_iovec(bio)->bv_len -= bytes; bio_iovec(bio)->bv_offset += bytes; @@ -1474,7 +1475,7 @@ struct bio *bio_map_kern(struct request_queue *q, void *data, unsigned int len, if (IS_ERR(bio)) return bio; - if (bio->bi_size == len) + if (bio->bi_iter.bi_size == len) return bio; /* @@ -1754,16 +1755,16 @@ struct bio_pair *bio_split(struct bio *bi, int first_sectors) return bp; trace_block_split(bdev_get_queue(bi->bi_bdev), bi, - bi->bi_sector + first_sectors); + bi->bi_iter.bi_sector + first_sectors); BUG_ON(bio_segments(bi) > 1); atomic_set(&bp->cnt, 3); bp->error = 0; bp->bio1 = *bi; bp->bio2 = *bi; - bp->bio2.bi_sector += first_sectors; - bp->bio2.bi_size -= first_sectors << 9; - bp->bio1.bi_size = first_sectors << 9; + bp->bio2.bi_iter.bi_sector += first_sectors; + bp->bio2.bi_iter.bi_size -= first_sectors << 9; + bp->bio1.bi_iter.bi_size = first_sectors << 9; if (bi->bi_vcnt != 0) { bp->bv1 = *bio_iovec(bi); @@ -1816,7 +1817,7 @@ sector_t bio_sector_offset(struct bio *bio, unsigned short index, sector_sz = queue_logical_block_size(bio->bi_bdev->bd_disk->queue); sectors = 0; - if (index >= bio->bi_idx) + if (index >= bio->bi_iter.bi_idx) index = bio->bi_vcnt - 1; bio_for_each_segment_all(bv, bio, i) { diff --git a/fs/btrfs/check-integrity.c b/fs/btrfs/check-integrity.c index 18af6f4..7c6c60c 100644 --- a/fs/btrfs/check-integrity.c +++ b/fs/btrfs/check-integrity.c @@ -1708,7 +1708,7 @@ static int btrfsic_read_block(struct btrfsic_state *state, return -1; } bio->bi_bdev = block_ctx->dev->bdev; - bio->bi_sector = dev_bytenr >> 9; + bio->bi_iter.bi_sector = dev_bytenr >> 9; bio->bi_end_io = btrfsic_complete_bio_end_io; bio->bi_private = &complete; @@ -3112,16 +3112,16 @@ void btrfsic_submit_bio(int rw, struct bio *bio) int bio_is_patched; char **mapped_datav; - dev_bytenr = 512 * bio->bi_sector; + dev_bytenr = 512 * bio->bi_iter.bi_sector; bio_is_patched = 0; if (dev_state->state->print_mask & BTRFSIC_PRINT_MASK_SUBMIT_BIO_BH) printk(KERN_INFO "submit_bio(rw=0x%x, bi_vcnt=%u," " bi_sector=%lu (bytenr %llu), bi_bdev=%p)\n", - rw, bio->bi_vcnt, (unsigned long)bio->bi_sector, - (unsigned long long)dev_bytenr, - bio->bi_bdev); + rw, bio->bi_vcnt, + (unsigned long)bio->bi_iter.bi_sector, + (unsigned long long)dev_bytenr, bio->bi_bdev); mapped_datav = kmalloc(sizeof(*mapped_datav) * bio->bi_vcnt, GFP_NOFS); diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c index 15b9408..46f5837 100644 --- a/fs/btrfs/compression.c +++ b/fs/btrfs/compression.c @@ -171,7 +171,8 @@ static void end_compressed_bio_read(struct bio *bio, int err) goto out; inode = cb->inode; - ret = check_compressed_csum(inode, cb, (u64)bio->bi_sector << 9); + ret = check_compressed_csum(inode, cb, + (u64)bio->bi_iter.bi_sector << 9); if (ret) goto csum_failed; @@ -371,7 +372,7 @@ int btrfs_submit_compressed_write(struct inode *inode, u64 start, for (pg_index = 0; pg_index < cb->nr_pages; pg_index++) { page = compressed_pages[pg_index]; page->mapping = inode->i_mapping; - if (bio->bi_size) + if (bio->bi_iter.bi_size) ret = io_tree->ops->merge_bio_hook(WRITE, page, 0, PAGE_CACHE_SIZE, bio, 0); @@ -505,7 +506,7 @@ static noinline int add_ra_bio_pages(struct inode *inode, if (!em || last_offset < em->start || (last_offset + PAGE_CACHE_SIZE > extent_map_end(em)) || - (em->block_start >> 9) != cb->orig_bio->bi_sector) { + (em->block_start >> 9) != cb->orig_bio->bi_iter.bi_sector) { free_extent_map(em); unlock_extent(tree, last_offset, end); unlock_page(page); @@ -551,7 +552,7 @@ next: * in it. We don't actually do IO on those pages but allocate new ones * to hold the compressed pages on disk. * - * bio->bi_sector points to the compressed extent on disk + * bio->bi_iter.bi_sector points to the compressed extent on disk * bio->bi_io_vec points to all of the inode pages * bio->bi_vcnt is a count of pages * @@ -572,7 +573,7 @@ int btrfs_submit_compressed_read(struct inode *inode, struct bio *bio, struct page *page; struct block_device *bdev; struct bio *comp_bio; - u64 cur_disk_byte = (u64)bio->bi_sector << 9; + u64 cur_disk_byte = (u64)bio->bi_iter.bi_sector << 9; u64 em_len; u64 em_start; struct extent_map *em; @@ -654,7 +655,7 @@ int btrfs_submit_compressed_read(struct inode *inode, struct bio *bio, page->mapping = inode->i_mapping; page->index = em_start >> PAGE_CACHE_SHIFT; - if (comp_bio->bi_size) + if (comp_bio->bi_iter.bi_size) ret = tree->ops->merge_bio_hook(READ, page, 0, PAGE_CACHE_SIZE, comp_bio, 0); @@ -682,8 +683,8 @@ int btrfs_submit_compressed_read(struct inode *inode, struct bio *bio, comp_bio, sums); BUG_ON(ret); /* -ENOMEM */ } - sums += (comp_bio->bi_size + root->sectorsize - 1) / - root->sectorsize; + sums += (comp_bio->bi_iter.bi_size + + root->sectorsize - 1) / root->sectorsize; ret = btrfs_map_bio(root, READ, comp_bio, mirror_num, 0); diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index bed072a..91918ec 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -1943,7 +1943,7 @@ int repair_io_failure(struct btrfs_fs_info *fs_info, u64 start, return -EIO; bio->bi_private = &compl; bio->bi_end_io = repair_io_failure_callback; - bio->bi_size = 0; + bio->bi_iter.bi_size = 0; map_length = length; ret = btrfs_map_block(fs_info, WRITE, logical, @@ -1954,7 +1954,7 @@ int repair_io_failure(struct btrfs_fs_info *fs_info, u64 start, } BUG_ON(mirror_num != bbio->mirror_num); sector = bbio->stripes[mirror_num-1].physical >> 9; - bio->bi_sector = sector; + bio->bi_iter.bi_sector = sector; dev = bbio->stripes[mirror_num-1].dev; kfree(bbio); if (!dev || !dev->bdev || !dev->writeable) { @@ -2235,9 +2235,9 @@ static int bio_readpage_error(struct bio *failed_bio, struct page *page, } bio->bi_private = state; bio->bi_end_io = failed_bio->bi_end_io; - bio->bi_sector = failrec->logical >> 9; + bio->bi_iter.bi_sector = failrec->logical >> 9; bio->bi_bdev = BTRFS_I(inode)->root->fs_info->fs_devices->latest_bdev; - bio->bi_size = 0; + bio->bi_iter.bi_size = 0; bio_add_page(bio, page, failrec->len, start - page_offset(page)); @@ -2350,8 +2350,8 @@ static void end_bio_extent_readpage(struct bio *bio, int err) struct extent_state *cached = NULL; struct extent_state *state; - pr_debug("end_bio_extent_readpage: bi_sector=%llu, err=%d, " - "mirror=%ld\n", (u64)bio->bi_sector, err, + pr_debug("end_bio_extent_readpage: bi_sector=%llu, err=%d, mirror=%ld\n", + (u64)bio->bi_iter.bi_sector, err, (long int)bio->bi_bdev); tree = &BTRFS_I(page->mapping->host)->io_tree; @@ -2456,9 +2456,9 @@ btrfs_bio_alloc(struct block_device *bdev, u64 first_sector, int nr_vecs, } if (bio) { - bio->bi_size = 0; + bio->bi_iter.bi_size = 0; bio->bi_bdev = bdev; - bio->bi_sector = first_sector; + bio->bi_iter.bi_sector = first_sector; } return bio; } @@ -2525,7 +2525,7 @@ static int submit_extent_page(int rw, struct extent_io_tree *tree, if (bio_ret && *bio_ret) { bio = *bio_ret; if (old_compressed) - contig = bio->bi_sector == sector; + contig = bio->bi_iter.bi_sector == sector; else contig = bio_end_sector(bio) == sector; diff --git a/fs/btrfs/file-item.c b/fs/btrfs/file-item.c index ec16020..17bb6c7 100644 --- a/fs/btrfs/file-item.c +++ b/fs/btrfs/file-item.c @@ -192,7 +192,7 @@ static int __btrfs_lookup_bio_sums(struct btrfs_root *root, path = btrfs_alloc_path(); if (!path) return -ENOMEM; - if (bio->bi_size > PAGE_CACHE_SIZE * 8) + if (bio->bi_iter.bi_size > PAGE_CACHE_SIZE * 8) path->reada = 2; WARN_ON(bio->bi_vcnt <= 0); @@ -208,7 +208,7 @@ static int __btrfs_lookup_bio_sums(struct btrfs_root *root, path->skip_locking = 1; } - disk_bytenr = (u64)bio->bi_sector << 9; + disk_bytenr = (u64)bio->bi_iter.bi_sector << 9; if (dio) offset = logical_offset; while (bio_index < bio->bi_vcnt) { @@ -438,13 +438,14 @@ int btrfs_csum_one_bio(struct btrfs_root *root, struct inode *inode, u64 disk_bytenr; WARN_ON(bio->bi_vcnt <= 0); - sums = kzalloc(btrfs_ordered_sum_size(root, bio->bi_size), GFP_NOFS); + sums = kzalloc(btrfs_ordered_sum_size(root, bio->bi_iter.bi_size), + GFP_NOFS); if (!sums) return -ENOMEM; sector_sum = sums->sums; - disk_bytenr = (u64)bio->bi_sector << 9; - sums->len = bio->bi_size; + disk_bytenr = (u64)bio->bi_iter.bi_sector << 9; + sums->len = bio->bi_iter.bi_size; INIT_LIST_HEAD(&sums->list); if (contig) @@ -468,7 +469,7 @@ int btrfs_csum_one_bio(struct btrfs_root *root, struct inode *inode, btrfs_add_ordered_sum(inode, ordered, sums); btrfs_put_ordered_extent(ordered); - bytes_left = bio->bi_size - total_bytes; + bytes_left = bio->bi_iter.bi_size - total_bytes; sums = kzalloc(btrfs_ordered_sum_size(root, bytes_left), GFP_NOFS); diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index ca1b767..c48fe5c 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -1610,7 +1610,7 @@ int btrfs_merge_bio_hook(int rw, struct page *page, unsigned long offset, unsigned long bio_flags) { struct btrfs_root *root = BTRFS_I(page->mapping->host)->root; - u64 logical = (u64)bio->bi_sector << 9; + u64 logical = (u64)bio->bi_iter.bi_sector << 9; u64 length = 0; u64 map_length; int ret; @@ -1618,7 +1618,7 @@ int btrfs_merge_bio_hook(int rw, struct page *page, unsigned long offset, if (bio_flags & EXTENT_BIO_COMPRESSED) return 0; - length = bio->bi_size; + length = bio->bi_iter.bi_size; map_length = length; ret = btrfs_map_block(root->fs_info, rw, logical, &map_length, NULL, 0); @@ -7020,7 +7020,8 @@ static void btrfs_end_dio_bio(struct bio *bio, int err) printk(KERN_ERR "btrfs direct IO failed ino %llu rw %lu " "sector %#Lx len %u err no %d\n", (unsigned long long)btrfs_ino(dip->inode), bio->bi_rw, - (unsigned long long)bio->bi_sector, bio->bi_size, err); + (unsigned long long)bio->bi_iter.bi_sector, + bio->bi_iter.bi_size, err); dip->errors = 1; /* @@ -7109,7 +7110,7 @@ static int btrfs_submit_direct_hook(int rw, struct btrfs_dio_private *dip, struct bio *bio; struct bio *orig_bio = dip->orig_bio; struct bio_vec *bvec = orig_bio->bi_io_vec; - u64 start_sector = orig_bio->bi_sector; + u64 start_sector = orig_bio->bi_iter.bi_sector; u64 file_offset = dip->logical_offset; u64 submit_len = 0; u64 map_length; @@ -7117,14 +7118,14 @@ static int btrfs_submit_direct_hook(int rw, struct btrfs_dio_private *dip, int ret = 0; int async_submit = 0; - map_length = orig_bio->bi_size; + map_length = orig_bio->bi_iter.bi_size; ret = btrfs_map_block(root->fs_info, rw, start_sector << 9, &map_length, NULL, 0); if (ret) { bio_put(orig_bio); return -EIO; } - if (map_length >= orig_bio->bi_size) { + if (map_length >= orig_bio->bi_iter.bi_size) { bio = orig_bio; goto submit; } @@ -7176,7 +7177,7 @@ static int btrfs_submit_direct_hook(int rw, struct btrfs_dio_private *dip, bio->bi_private = dip; bio->bi_end_io = btrfs_end_dio_bio; - map_length = orig_bio->bi_size; + map_length = orig_bio->bi_iter.bi_size; ret = btrfs_map_block(root->fs_info, rw, start_sector << 9, &map_length, NULL, 0); @@ -7240,7 +7241,7 @@ static void btrfs_submit_direct(int rw, struct bio *bio, struct inode *inode, bvec++; } while (bvec <= (bio->bi_io_vec + bio->bi_vcnt - 1)); - dip->disk_bytenr = (u64)bio->bi_sector << 9; + dip->disk_bytenr = (u64)bio->bi_iter.bi_sector << 9; bio->bi_private = dip; dip->errors = 0; dip->orig_bio = bio; diff --git a/fs/btrfs/raid56.c b/fs/btrfs/raid56.c index 9a79fb7..aa4713a 100644 --- a/fs/btrfs/raid56.c +++ b/fs/btrfs/raid56.c @@ -1033,8 +1033,8 @@ int rbio_add_io_page(struct btrfs_raid_bio *rbio, /* see if we can add this page onto our existing bio */ if (last) { - last_end = (u64)last->bi_sector << 9; - last_end += last->bi_size; + last_end = (u64)last->bi_iter.bi_sector << 9; + last_end += last->bi_iter.bi_size; /* * we can't merge these if they are from different @@ -1054,9 +1054,9 @@ int rbio_add_io_page(struct btrfs_raid_bio *rbio, if (!bio) return -ENOMEM; - bio->bi_size = 0; + bio->bi_iter.bi_size = 0; bio->bi_bdev = stripe->dev->bdev; - bio->bi_sector = disk_start >> 9; + bio->bi_iter.bi_sector = disk_start >> 9; set_bit(BIO_UPTODATE, &bio->bi_flags); bio_add_page(bio, page, PAGE_CACHE_SIZE, 0); @@ -1112,7 +1112,7 @@ static void index_rbio_pages(struct btrfs_raid_bio *rbio) spin_lock_irq(&rbio->bio_list_lock); bio_list_for_each(bio, &rbio->bio_list) { - start = (u64)bio->bi_sector << 9; + start = (u64)bio->bi_iter.bi_sector << 9; stripe_offset = start - rbio->raid_map[0]; page_index = stripe_offset >> PAGE_CACHE_SHIFT; @@ -1273,7 +1273,7 @@ cleanup: static int find_bio_stripe(struct btrfs_raid_bio *rbio, struct bio *bio) { - u64 physical = bio->bi_sector; + u64 physical = bio->bi_iter.bi_sector; u64 stripe_start; int i; struct btrfs_bio_stripe *stripe; @@ -1299,7 +1299,7 @@ static int find_bio_stripe(struct btrfs_raid_bio *rbio, static int find_logical_bio_stripe(struct btrfs_raid_bio *rbio, struct bio *bio) { - u64 logical = bio->bi_sector; + u64 logical = bio->bi_iter.bi_sector; u64 stripe_start; int i; @@ -1601,8 +1601,8 @@ static int plug_cmp(void *priv, struct list_head *a, struct list_head *b) plug_list); struct btrfs_raid_bio *rb = container_of(b, struct btrfs_raid_bio, plug_list); - u64 a_sector = ra->bio_list.head->bi_sector; - u64 b_sector = rb->bio_list.head->bi_sector; + u64 a_sector = ra->bio_list.head->bi_iter.bi_sector; + u64 b_sector = rb->bio_list.head->bi_iter.bi_sector; if (a_sector < b_sector) return -1; @@ -1693,7 +1693,7 @@ int raid56_parity_write(struct btrfs_root *root, struct bio *bio, return PTR_ERR(rbio); } bio_list_add(&rbio->bio_list, bio); - rbio->bio_list_bytes = bio->bi_size; + rbio->bio_list_bytes = bio->bi_iter.bi_size; /* * don't plug on full rbios, just get them out the door @@ -2047,7 +2047,7 @@ int raid56_parity_recover(struct btrfs_root *root, struct bio *bio, rbio->read_rebuild = 1; bio_list_add(&rbio->bio_list, bio); - rbio->bio_list_bytes = bio->bi_size; + rbio->bio_list_bytes = bio->bi_iter.bi_size; rbio->faila = find_logical_bio_stripe(rbio, bio); if (rbio->faila == -1) { diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c index 53c3501..8a0bcf3 100644 --- a/fs/btrfs/scrub.c +++ b/fs/btrfs/scrub.c @@ -1302,7 +1302,7 @@ static void scrub_recheck_block(struct btrfs_fs_info *fs_info, continue; } bio->bi_bdev = page->dev->bdev; - bio->bi_sector = page->physical >> 9; + bio->bi_iter.bi_sector = page->physical >> 9; bio->bi_end_io = scrub_complete_bio_end_io; bio->bi_private = &complete; @@ -1436,7 +1436,7 @@ static int scrub_repair_page_from_good_copy(struct scrub_block *sblock_bad, if (!bio) return -EIO; bio->bi_bdev = page_bad->dev->bdev; - bio->bi_sector = page_bad->physical >> 9; + bio->bi_iter.bi_sector = page_bad->physical >> 9; bio->bi_end_io = scrub_complete_bio_end_io; bio->bi_private = &complete; @@ -1534,7 +1534,7 @@ again: bio->bi_private = sbio; bio->bi_end_io = scrub_wr_bio_end_io; bio->bi_bdev = sbio->dev->bdev; - bio->bi_sector = sbio->physical >> 9; + bio->bi_iter.bi_sector = sbio->physical >> 9; sbio->err = 0; } else if (sbio->physical + sbio->page_count * PAGE_SIZE != spage->physical_for_dev_replace || @@ -1941,7 +1941,7 @@ again: bio->bi_private = sbio; bio->bi_end_io = scrub_bio_end_io; bio->bi_bdev = sbio->dev->bdev; - bio->bi_sector = sbio->physical >> 9; + bio->bi_iter.bi_sector = sbio->physical >> 9; sbio->err = 0; } else if (sbio->physical + sbio->page_count * PAGE_SIZE != spage->physical || @@ -3299,8 +3299,8 @@ static int write_page_nocow(struct scrub_ctx *sctx, } bio->bi_private = &compl; bio->bi_end_io = scrub_complete_bio_end_io; - bio->bi_size = 0; - bio->bi_sector = physical_for_dev_replace >> 9; + bio->bi_iter.bi_size = 0; + bio->bi_iter.bi_sector = physical_for_dev_replace >> 9; bio->bi_bdev = dev->bdev; ret = bio_add_page(bio, page, PAGE_CACHE_SIZE, 0); if (ret != PAGE_CACHE_SIZE) { diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index d90e048..f6ffe0b 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -5172,7 +5172,7 @@ static int bio_size_ok(struct block_device *bdev, struct bio *bio, if (!q->merge_bvec_fn) return 1; - bvm.bi_size = bio->bi_size - prev->bv_len; + bvm.bi_size = bio->bi_iter.bi_size - prev->bv_len; if (q->merge_bvec_fn(q, &bvm, prev) < prev->bv_len) return 0; return 1; @@ -5188,7 +5188,7 @@ static void submit_stripe_bio(struct btrfs_root *root, struct btrfs_bio *bbio, bio->bi_private = merge_stripe_index_into_bio_private( bio->bi_private, (unsigned int)dev_nr); bio->bi_end_io = btrfs_end_bio; - bio->bi_sector = physical >> 9; + bio->bi_iter.bi_sector = physical >> 9; #ifdef DEBUG { struct rcu_string *name; @@ -5226,7 +5226,7 @@ again: while (bvec <= (first_bio->bi_io_vec + first_bio->bi_vcnt - 1)) { if (bio_add_page(bio, bvec->bv_page, bvec->bv_len, bvec->bv_offset) < bvec->bv_len) { - u64 len = bio->bi_size; + u64 len = bio->bi_iter.bi_size; atomic_inc(&bbio->stripes_pending); submit_stripe_bio(root, bbio, bio, physical, dev_nr, @@ -5249,7 +5249,7 @@ static void bbio_error(struct btrfs_bio *bbio, struct bio *bio, u64 logical) bio->bi_end_io = bbio->end_io; bio->bi_bdev = (struct block_device *) (unsigned long)bbio->mirror_num; - bio->bi_sector = logical >> 9; + bio->bi_iter.bi_sector = logical >> 9; kfree(bbio); bio_endio(bio, -EIO); } @@ -5260,7 +5260,7 @@ int btrfs_map_bio(struct btrfs_root *root, int rw, struct bio *bio, { struct btrfs_device *dev; struct bio *first_bio = bio; - u64 logical = (u64)bio->bi_sector << 9; + u64 logical = (u64)bio->bi_iter.bi_sector << 9; u64 length = 0; u64 map_length; u64 *raid_map = NULL; @@ -5269,7 +5269,7 @@ int btrfs_map_bio(struct btrfs_root *root, int rw, struct bio *bio, int total_devs = 1; struct btrfs_bio *bbio = NULL; - length = bio->bi_size; + length = bio->bi_iter.bi_size; map_length = length; ret = __btrfs_map_block(root->fs_info, rw, logical, &map_length, &bbio, diff --git a/fs/buffer.c b/fs/buffer.c index ecd3792..b4422f3 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -2925,11 +2925,11 @@ static void guard_bh_eod(int rw, struct bio *bio, struct buffer_head *bh) * let it through, and the IO layer will turn it into * an EIO. */ - if (unlikely(bio->bi_sector >= maxsector)) + if (unlikely(bio->bi_iter.bi_sector >= maxsector)) return; - maxsector -= bio->bi_sector; - bytes = bio->bi_size; + maxsector -= bio->bi_iter.bi_sector; + bytes = bio->bi_iter.bi_size; if (likely((bytes >> 9) <= maxsector)) return; @@ -2937,7 +2937,7 @@ static void guard_bh_eod(int rw, struct bio *bio, struct buffer_head *bh) bytes = maxsector << 9; /* Truncate the bio.. */ - bio->bi_size = bytes; + bio->bi_iter.bi_size = bytes; bio->bi_io_vec[0].bv_len = bytes; /* ..and clear the end of the buffer for reads */ @@ -2972,14 +2972,14 @@ int submit_bh(int rw, struct buffer_head * bh) */ bio = bio_alloc(GFP_NOIO, 1); - bio->bi_sector = bh->b_blocknr * (bh->b_size >> 9); + bio->bi_iter.bi_sector = bh->b_blocknr * (bh->b_size >> 9); bio->bi_bdev = bh->b_bdev; bio->bi_io_vec[0].bv_page = bh->b_page; bio->bi_io_vec[0].bv_len = bh->b_size; bio->bi_io_vec[0].bv_offset = bh_offset(bh); bio->bi_vcnt = 1; - bio->bi_size = bh->b_size; + bio->bi_iter.bi_size = bh->b_size; bio->bi_end_io = end_bio_bh_io_sync; bio->bi_private = bh; diff --git a/fs/direct-io.c b/fs/direct-io.c index 38484b0..ca9721f 100644 --- a/fs/direct-io.c +++ b/fs/direct-io.c @@ -348,7 +348,7 @@ dio_bio_alloc(struct dio *dio, struct dio_submit *sdio, bio = bio_alloc(GFP_KERNEL, nr_vecs); bio->bi_bdev = bdev; - bio->bi_sector = first_sector; + bio->bi_iter.bi_sector = first_sector; if (dio->is_async) bio->bi_end_io = dio_bio_end_aio; else @@ -653,7 +653,7 @@ static inline int dio_send_cur_page(struct dio *dio, struct dio_submit *sdio, if (sdio->bio) { loff_t cur_offset = sdio->cur_page_fs_offset; loff_t bio_next_offset = sdio->logical_offset_in_bio + - sdio->bio->bi_size; + sdio->bio->bi_iter.bi_size; /* * See whether this new request is contiguous with the old. diff --git a/fs/ext4/page-io.c b/fs/ext4/page-io.c index 809b310..5a33a7e 100644 --- a/fs/ext4/page-io.c +++ b/fs/ext4/page-io.c @@ -233,7 +233,7 @@ static void ext4_end_bio(struct bio *bio, int error) ext4_io_end_t *io_end = bio->bi_private; struct inode *inode; int i; - sector_t bi_sector = bio->bi_sector; + sector_t bi_sector = bio->bi_iter.bi_sector; BUG_ON(!io_end); bio->bi_private = NULL; @@ -321,7 +321,7 @@ static int io_submit_init(struct ext4_io_submit *io, if (!io_end) return -ENOMEM; bio = bio_alloc(GFP_NOIO, min(nvecs, BIO_MAX_PAGES)); - bio->bi_sector = bh->b_blocknr * (bh->b_size >> 9); + bio->bi_iter.bi_sector = bh->b_blocknr * (bh->b_size >> 9); bio->bi_bdev = bh->b_bdev; bio->bi_private = io->io_end = io_end; bio->bi_end_io = ext4_end_bio; diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index 7bd22a2..f5c5a8a 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -347,7 +347,7 @@ int f2fs_readpage(struct f2fs_sb_info *sbi, struct page *page, bio = f2fs_bio_alloc(bdev, 1); /* Initialize the bio */ - bio->bi_sector = SECTOR_FROM_BLOCK(sbi, blk_addr); + bio->bi_iter.bi_sector = SECTOR_FROM_BLOCK(sbi, blk_addr); bio->bi_end_io = read_end_io; if (bio_add_page(bio, page, PAGE_CACHE_SIZE, 0) < PAGE_CACHE_SIZE) { diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index 777f17e..a2964a8 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -697,7 +697,8 @@ static void submit_write_page(struct f2fs_sb_info *sbi, struct page *page, alloc_new: if (sbi->bio[type] == NULL) { sbi->bio[type] = f2fs_bio_alloc(bdev, bio_get_nr_vecs(bdev)); - sbi->bio[type]->bi_sector = SECTOR_FROM_BLOCK(sbi, blk_addr); + sbi->bio[type]->bi_iter.bi_sector = + SECTOR_FROM_BLOCK(sbi, blk_addr); /* * The end_io will be assigned at the sumbission phase. * Until then, let bio_add_page() merge consecutive IOs as much diff --git a/fs/gfs2/lops.c b/fs/gfs2/lops.c index 5c37ef9..7b2399b 100644 --- a/fs/gfs2/lops.c +++ b/fs/gfs2/lops.c @@ -271,7 +271,7 @@ static struct bio *gfs2_log_alloc_bio(struct gfs2_sbd *sdp, u64 blkno) nrvecs = max(nrvecs/2, 1U); } - bio->bi_sector = blkno * (sb->s_blocksize >> 9); + bio->bi_iter.bi_sector = blkno * (sb->s_blocksize >> 9); bio->bi_bdev = sb->s_bdev; bio->bi_end_io = gfs2_end_log_write; bio->bi_private = sdp; diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c index 60ede2a..0606aea 100644 --- a/fs/gfs2/ops_fstype.c +++ b/fs/gfs2/ops_fstype.c @@ -224,7 +224,7 @@ static int gfs2_read_super(struct gfs2_sbd *sdp, sector_t sector, int silent) lock_page(page); bio = bio_alloc(GFP_NOFS, 1); - bio->bi_sector = sector * (sb->s_blocksize >> 9); + bio->bi_iter.bi_sector = sector * (sb->s_blocksize >> 9); bio->bi_bdev = sb->s_bdev; bio_add_page(bio, page, PAGE_SIZE, 0); diff --git a/fs/hfsplus/wrapper.c b/fs/hfsplus/wrapper.c index 90effcc..d556808 100644 --- a/fs/hfsplus/wrapper.c +++ b/fs/hfsplus/wrapper.c @@ -71,7 +71,7 @@ int hfsplus_submit_bio(struct super_block *sb, sector_t sector, sector &= ~((io_size >> HFSPLUS_SECTOR_SHIFT) - 1); bio = bio_alloc(GFP_NOIO, 1); - bio->bi_sector = sector; + bio->bi_iter.bi_sector = sector; bio->bi_bdev = sb->s_bdev; bio->bi_end_io = hfsplus_end_io_sync; bio->bi_private = &wait; diff --git a/fs/jfs/jfs_logmgr.c b/fs/jfs/jfs_logmgr.c index 8ae5e35..175fc99 100644 --- a/fs/jfs/jfs_logmgr.c +++ b/fs/jfs/jfs_logmgr.c @@ -1997,14 +1997,14 @@ static int lbmRead(struct jfs_log * log, int pn, struct lbuf ** bpp) bio = bio_alloc(GFP_NOFS, 1); - bio->bi_sector = bp->l_blkno << (log->l2bsize - 9); + bio->bi_iter.bi_sector = bp->l_blkno << (log->l2bsize - 9); bio->bi_bdev = log->bdev; bio->bi_io_vec[0].bv_page = bp->l_page; bio->bi_io_vec[0].bv_len = LOGPSIZE; bio->bi_io_vec[0].bv_offset = bp->l_offset; bio->bi_vcnt = 1; - bio->bi_size = LOGPSIZE; + bio->bi_iter.bi_size = LOGPSIZE; bio->bi_end_io = lbmIODone; bio->bi_private = bp; @@ -2137,21 +2137,21 @@ static void lbmStartIO(struct lbuf * bp) jfs_info("lbmStartIO\n"); bio = bio_alloc(GFP_NOFS, 1); - bio->bi_sector = bp->l_blkno << (log->l2bsize - 9); + bio->bi_iter.bi_sector = bp->l_blkno << (log->l2bsize - 9); bio->bi_bdev = log->bdev; bio->bi_io_vec[0].bv_page = bp->l_page; bio->bi_io_vec[0].bv_len = LOGPSIZE; bio->bi_io_vec[0].bv_offset = bp->l_offset; bio->bi_vcnt = 1; - bio->bi_size = LOGPSIZE; + bio->bi_iter.bi_size = LOGPSIZE; bio->bi_end_io = lbmIODone; bio->bi_private = bp; /* check if journaling to disk has been disabled */ if (log->no_integrity) { - bio->bi_size = 0; + bio->bi_iter.bi_size = 0; lbmIODone(bio, 0); } else { submit_bio(WRITE_SYNC, bio); diff --git a/fs/jfs/jfs_metapage.c b/fs/jfs/jfs_metapage.c index 6740d34..299d9cd 100644 --- a/fs/jfs/jfs_metapage.c +++ b/fs/jfs/jfs_metapage.c @@ -416,7 +416,7 @@ static int metapage_writepage(struct page *page, struct writeback_control *wbc) * count from hitting zero before we're through */ inc_io(page); - if (!bio->bi_size) + if (!bio->bi_iter.bi_size) goto dump_bio; submit_bio(WRITE, bio); nr_underway++; @@ -438,7 +438,7 @@ static int metapage_writepage(struct page *page, struct writeback_control *wbc) bio = bio_alloc(GFP_NOFS, 1); bio->bi_bdev = inode->i_sb->s_bdev; - bio->bi_sector = pblock << (inode->i_blkbits - 9); + bio->bi_iter.bi_sector = pblock << (inode->i_blkbits - 9); bio->bi_end_io = metapage_write_end_io; bio->bi_private = page; @@ -452,7 +452,7 @@ static int metapage_writepage(struct page *page, struct writeback_control *wbc) if (bio) { if (bio_add_page(bio, page, bio_bytes, bio_offset) < bio_bytes) goto add_failed; - if (!bio->bi_size) + if (!bio->bi_iter.bi_size) goto dump_bio; submit_bio(WRITE, bio); @@ -517,7 +517,8 @@ static int metapage_readpage(struct file *fp, struct page *page) bio = bio_alloc(GFP_NOFS, 1); bio->bi_bdev = inode->i_sb->s_bdev; - bio->bi_sector = pblock << (inode->i_blkbits - 9); + bio->bi_iter.bi_sector = + pblock << (inode->i_blkbits - 9); bio->bi_end_io = metapage_read_end_io; bio->bi_private = page; len = xlen << inode->i_blkbits; diff --git a/fs/logfs/dev_bdev.c b/fs/logfs/dev_bdev.c index 550475c..a1b161f 100644 --- a/fs/logfs/dev_bdev.c +++ b/fs/logfs/dev_bdev.c @@ -32,9 +32,9 @@ static int sync_request(struct page *page, struct block_device *bdev, int rw) bio_vec.bv_len = PAGE_SIZE; bio_vec.bv_offset = 0; bio.bi_vcnt = 1; - bio.bi_size = PAGE_SIZE; + bio.bi_iter.bi_size = PAGE_SIZE; bio.bi_bdev = bdev; - bio.bi_sector = page->index * (PAGE_SIZE >> 9); + bio.bi_iter.bi_sector = page->index * (PAGE_SIZE >> 9); init_completion(&complete); bio.bi_private = &complete; bio.bi_end_io = request_complete; @@ -107,9 +107,9 @@ static int __bdev_writeseg(struct super_block *sb, u64 ofs, pgoff_t index, if (i >= max_pages) { /* Block layer cannot split bios :( */ bio->bi_vcnt = i; - bio->bi_size = i * PAGE_SIZE; + bio->bi_iter.bi_size = i * PAGE_SIZE; bio->bi_bdev = super->s_bdev; - bio->bi_sector = ofs >> 9; + bio->bi_iter.bi_sector = ofs >> 9; bio->bi_private = sb; bio->bi_end_io = writeseg_end_io; atomic_inc(&super->s_pending_writes); @@ -134,9 +134,9 @@ static int __bdev_writeseg(struct super_block *sb, u64 ofs, pgoff_t index, unlock_page(page); } bio->bi_vcnt = nr_pages; - bio->bi_size = nr_pages * PAGE_SIZE; + bio->bi_iter.bi_size = nr_pages * PAGE_SIZE; bio->bi_bdev = super->s_bdev; - bio->bi_sector = ofs >> 9; + bio->bi_iter.bi_sector = ofs >> 9; bio->bi_private = sb; bio->bi_end_io = writeseg_end_io; atomic_inc(&super->s_pending_writes); @@ -199,9 +199,9 @@ static int do_erase(struct super_block *sb, u64 ofs, pgoff_t index, if (i >= max_pages) { /* Block layer cannot split bios :( */ bio->bi_vcnt = i; - bio->bi_size = i * PAGE_SIZE; + bio->bi_iter.bi_size = i * PAGE_SIZE; bio->bi_bdev = super->s_bdev; - bio->bi_sector = ofs >> 9; + bio->bi_iter.bi_sector = ofs >> 9; bio->bi_private = sb; bio->bi_end_io = erase_end_io; atomic_inc(&super->s_pending_writes); @@ -220,9 +220,9 @@ static int do_erase(struct super_block *sb, u64 ofs, pgoff_t index, bio->bi_io_vec[i].bv_offset = 0; } bio->bi_vcnt = nr_pages; - bio->bi_size = nr_pages * PAGE_SIZE; + bio->bi_iter.bi_size = nr_pages * PAGE_SIZE; bio->bi_bdev = super->s_bdev; - bio->bi_sector = ofs >> 9; + bio->bi_iter.bi_sector = ofs >> 9; bio->bi_private = sb; bio->bi_end_io = erase_end_io; atomic_inc(&super->s_pending_writes); diff --git a/fs/mpage.c b/fs/mpage.c index 0face1c..92b125f 100644 --- a/fs/mpage.c +++ b/fs/mpage.c @@ -94,7 +94,7 @@ mpage_alloc(struct block_device *bdev, if (bio) { bio->bi_bdev = bdev; - bio->bi_sector = first_sector; + bio->bi_iter.bi_sector = first_sector; } return bio; } diff --git a/fs/nfs/blocklayout/blocklayout.c b/fs/nfs/blocklayout/blocklayout.c index 434b93e..6f4e31d 100644 --- a/fs/nfs/blocklayout/blocklayout.c +++ b/fs/nfs/blocklayout/blocklayout.c @@ -134,8 +134,8 @@ bl_submit_bio(int rw, struct bio *bio) if (bio) { get_parallel(bio->bi_private); dprintk("%s submitting %s bio %u@%llu\n", __func__, - rw == READ ? "read" : "write", - bio->bi_size, (unsigned long long)bio->bi_sector); + rw == READ ? "read" : "write", bio->bi_iter.bi_size, + (unsigned long long)bio->bi_iter.bi_sector); submit_bio(rw, bio); } return NULL; @@ -156,7 +156,8 @@ static struct bio *bl_alloc_init_bio(int npg, sector_t isect, } if (bio) { - bio->bi_sector = isect - be->be_f_offset + be->be_v_offset; + bio->bi_iter.bi_sector = isect - be->be_f_offset + + be->be_v_offset; bio->bi_bdev = be->be_mdev; bio->bi_end_io = end_io; bio->bi_private = par; @@ -519,7 +520,7 @@ bl_do_readpage_sync(struct page *page, struct pnfs_block_extent *be, isect = (page->index << PAGE_CACHE_SECTOR_SHIFT) + (offset / SECTOR_SIZE); - bio->bi_sector = isect - be->be_f_offset + be->be_v_offset; + bio->bi_iter.bi_sector = isect - be->be_f_offset + be->be_v_offset; bio->bi_bdev = be->be_mdev; bio->bi_end_io = bl_read_single_end_io; diff --git a/fs/nilfs2/segbuf.c b/fs/nilfs2/segbuf.c index dc9a913..85dabcd 100644 --- a/fs/nilfs2/segbuf.c +++ b/fs/nilfs2/segbuf.c @@ -417,7 +417,8 @@ static struct bio *nilfs_alloc_seg_bio(struct the_nilfs *nilfs, sector_t start, } if (likely(bio)) { bio->bi_bdev = nilfs->ns_bdev; - bio->bi_sector = start << (nilfs->ns_blocksize_bits - 9); + bio->bi_iter.bi_sector = + start << (nilfs->ns_blocksize_bits - 9); } return bio; } diff --git a/fs/ocfs2/cluster/heartbeat.c b/fs/ocfs2/cluster/heartbeat.c index 42252bf..0e7bac5 100644 --- a/fs/ocfs2/cluster/heartbeat.c +++ b/fs/ocfs2/cluster/heartbeat.c @@ -421,7 +421,7 @@ static struct bio *o2hb_setup_one_bio(struct o2hb_region *reg, } /* Must put everything in 512 byte sectors for the bio... */ - bio->bi_sector = (reg->hr_start_block + cs) << (bits - 9); + bio->bi_iter.bi_sector = (reg->hr_start_block + cs) << (bits - 9); bio->bi_bdev = reg->hr_bdev; bio->bi_private = wc; bio->bi_end_io = o2hb_bio_end_io; diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c index 5f707e5..f65eb6f 100644 --- a/fs/xfs/xfs_aops.c +++ b/fs/xfs/xfs_aops.c @@ -414,7 +414,7 @@ xfs_alloc_ioend_bio( struct bio *bio = bio_alloc(GFP_NOIO, nvecs); ASSERT(bio->bi_private == NULL); - bio->bi_sector = bh->b_blocknr * (bh->b_size >> 9); + bio->bi_iter.bi_sector = bh->b_blocknr * (bh->b_size >> 9); bio->bi_bdev = bh->b_bdev; return bio; } diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c index 4e8f0df..4912b9b 100644 --- a/fs/xfs/xfs_buf.c +++ b/fs/xfs/xfs_buf.c @@ -1282,7 +1282,7 @@ next_chunk: bio = bio_alloc(GFP_NOIO, nr_pages); bio->bi_bdev = bp->b_target->bt_bdev; - bio->bi_sector = sector; + bio->bi_iter.bi_sector = sector; bio->bi_end_io = xfs_buf_bio_end_io; bio->bi_private = bp; @@ -1304,7 +1304,7 @@ next_chunk: total_nr_pages--; } - if (likely(bio->bi_size)) { + if (likely(bio->bi_iter.bi_size)) { if (xfs_buf_is_vmapped(bp)) { flush_kernel_vmap_range(bp->b_addr, xfs_buf_vmap_len(bp)); diff --git a/include/linux/bio.h b/include/linux/bio.h index ef24466..d321e63 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -62,19 +62,19 @@ * on highmem page vectors */ #define bio_iovec_idx(bio, idx) (&((bio)->bi_io_vec[(idx)])) -#define bio_iovec(bio) bio_iovec_idx((bio), (bio)->bi_idx) +#define bio_iovec(bio) bio_iovec_idx((bio), (bio)->bi_iter.bi_idx) #define bio_page(bio) bio_iovec((bio))->bv_page #define bio_offset(bio) bio_iovec((bio))->bv_offset -#define bio_segments(bio) ((bio)->bi_vcnt - (bio)->bi_idx) -#define bio_sectors(bio) ((bio)->bi_size >> 9) -#define bio_end_sector(bio) ((bio)->bi_sector + bio_sectors((bio))) +#define bio_segments(bio) ((bio)->bi_vcnt - (bio)->bi_iter.bi_idx) +#define bio_sectors(bio) ((bio)->bi_iter.bi_size >> 9) +#define bio_end_sector(bio) ((bio)->bi_iter.bi_sector + bio_sectors((bio))) static inline unsigned int bio_cur_bytes(struct bio *bio) { if (bio->bi_vcnt) return bio_iovec(bio)->bv_len; else /* dataless requests such as discard */ - return bio->bi_size; + return bio->bi_iter.bi_size; } static inline void *bio_data(struct bio *bio) @@ -108,7 +108,7 @@ static inline void *bio_data(struct bio *bio) */ #define __BVEC_END(bio) bio_iovec_idx((bio), (bio)->bi_vcnt - 1) -#define __BVEC_START(bio) bio_iovec_idx((bio), (bio)->bi_idx) +#define __BVEC_START(bio) bio_iovec_idx((bio), (bio)->bi_iter.bi_idx) /* Default implementation of BIOVEC_PHYS_MERGEABLE */ #define __BIOVEC_PHYS_MERGEABLE(vec1, vec2) \ @@ -150,7 +150,7 @@ static inline void *bio_data(struct bio *bio) i++) #define bio_for_each_segment(bvl, bio, i) \ - for (i = (bio)->bi_idx; \ + for (i = (bio)->bi_iter.bi_idx; \ bvl = bio_iovec_idx((bio), (i)), i < (bio)->bi_vcnt; \ i++) @@ -364,7 +364,7 @@ static inline char *__bio_kmap_irq(struct bio *bio, unsigned short idx, #define __bio_kunmap_irq(buf, flags) bvec_kunmap_irq(buf, flags) #define bio_kmap_irq(bio, flags) \ - __bio_kmap_irq((bio), (bio)->bi_idx, (flags)) + __bio_kmap_irq((bio), (bio)->bi_iter.bi_idx, (flags)) #define bio_kunmap_irq(buf,flags) __bio_kunmap_irq(buf, flags) /* diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h index e8de670..66bf67a 100644 --- a/include/linux/blk_types.h +++ b/include/linux/blk_types.h @@ -28,13 +28,19 @@ struct bio_vec { unsigned int bv_offset; }; +struct bvec_iter { + sector_t bi_sector; /* device address in 512 byte + sectors */ + unsigned int bi_size; /* residual I/O count */ + + unsigned int bi_idx; /* current index into bvl_vec */ +}; + /* * main unit of I/O for the block layer and lower layers (ie drivers and * stacking drivers) */ struct bio { - sector_t bi_sector; /* device address in 512 byte - sectors */ struct bio *bi_next; /* request queue link */ struct block_device *bi_bdev; unsigned long bi_flags; /* status, command, etc */ @@ -42,22 +48,21 @@ struct bio { * top bits priority */ + struct bvec_iter bi_iter; + unsigned short bi_vcnt; /* how many bio_vec's */ - unsigned short bi_idx; /* current index into bvl_vec */ /* Number of segments in this BIO after * physical address coalescing is performed. */ - unsigned int bi_phys_segments; - - unsigned int bi_size; /* residual I/O count */ + unsigned short bi_phys_segments; /* * To keep track of the max segment size, we account for the * sizes of the first and last mergeable segments in this bio. */ - unsigned int bi_seg_front_size; - unsigned int bi_seg_back_size; + unsigned short bi_seg_front_size; + unsigned short bi_seg_back_size; bio_end_io_t *bi_end_io; diff --git a/include/trace/events/block.h b/include/trace/events/block.h index 5a28843..3b5fa36 100644 --- a/include/trace/events/block.h +++ b/include/trace/events/block.h @@ -243,9 +243,9 @@ TRACE_EVENT(block_bio_bounce, TP_fast_assign( __entry->dev = bio->bi_bdev ? bio->bi_bdev->bd_dev : 0; - __entry->sector = bio->bi_sector; + __entry->sector = bio->bi_iter.bi_sector; __entry->nr_sector = bio_sectors(bio); - blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_size); + blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_iter.bi_size); memcpy(__entry->comm, current->comm, TASK_COMM_LEN); ), @@ -280,10 +280,10 @@ TRACE_EVENT(block_bio_complete, TP_fast_assign( __entry->dev = bio->bi_bdev ? bio->bi_bdev->bd_dev : 0; - __entry->sector = bio->bi_sector; + __entry->sector = bio->bi_iter.bi_sector; __entry->nr_sector = bio_sectors(bio); __entry->error = error; - blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_size); + blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_iter.bi_size); ), TP_printk("%d,%d %s %llu + %u [%d]", @@ -308,9 +308,9 @@ DECLARE_EVENT_CLASS(block_bio_merge, TP_fast_assign( __entry->dev = bio->bi_bdev->bd_dev; - __entry->sector = bio->bi_sector; + __entry->sector = bio->bi_iter.bi_sector; __entry->nr_sector = bio_sectors(bio); - blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_size); + blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_iter.bi_size); memcpy(__entry->comm, current->comm, TASK_COMM_LEN); ), @@ -375,9 +375,9 @@ TRACE_EVENT(block_bio_queue, TP_fast_assign( __entry->dev = bio->bi_bdev->bd_dev; - __entry->sector = bio->bi_sector; + __entry->sector = bio->bi_iter.bi_sector; __entry->nr_sector = bio_sectors(bio); - blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_size); + blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_iter.bi_size); memcpy(__entry->comm, current->comm, TASK_COMM_LEN); ), @@ -403,7 +403,7 @@ DECLARE_EVENT_CLASS(block_get_rq, TP_fast_assign( __entry->dev = bio ? bio->bi_bdev->bd_dev : 0; - __entry->sector = bio ? bio->bi_sector : 0; + __entry->sector = bio ? bio->bi_iter.bi_sector : 0; __entry->nr_sector = bio ? bio_sectors(bio) : 0; blk_fill_rwbs(__entry->rwbs, bio ? bio->bi_rw : 0, __entry->nr_sector); @@ -538,9 +538,9 @@ TRACE_EVENT(block_split, TP_fast_assign( __entry->dev = bio->bi_bdev->bd_dev; - __entry->sector = bio->bi_sector; + __entry->sector = bio->bi_iter.bi_sector; __entry->new_sector = new_sector; - blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_size); + blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_iter.bi_size); memcpy(__entry->comm, current->comm, TASK_COMM_LEN); ), @@ -579,11 +579,11 @@ TRACE_EVENT(block_bio_remap, TP_fast_assign( __entry->dev = bio->bi_bdev->bd_dev; - __entry->sector = bio->bi_sector; + __entry->sector = bio->bi_iter.bi_sector; __entry->nr_sector = bio_sectors(bio); __entry->old_dev = dev; __entry->old_sector = from; - blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_size); + blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_iter.bi_size); ), TP_printk("%d,%d %s %llu + %u <- (%d,%d) %llu", diff --git a/kernel/power/block_io.c b/kernel/power/block_io.c index d09dd10..9a58bc2 100644 --- a/kernel/power/block_io.c +++ b/kernel/power/block_io.c @@ -32,7 +32,7 @@ static int submit(int rw, struct block_device *bdev, sector_t sector, struct bio *bio; bio = bio_alloc(__GFP_WAIT | __GFP_HIGH, 1); - bio->bi_sector = sector; + bio->bi_iter.bi_sector = sector; bio->bi_bdev = bdev; bio->bi_end_io = end_swap_bio_read; diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c index 9e5b8c2..1e78cdb 100644 --- a/kernel/trace/blktrace.c +++ b/kernel/trace/blktrace.c @@ -770,8 +770,8 @@ static void blk_add_trace_bio(struct request_queue *q, struct bio *bio, if (!error && !bio_flagged(bio, BIO_UPTODATE)) error = EIO; - __blk_add_trace(bt, bio->bi_sector, bio->bi_size, bio->bi_rw, what, - error, 0, NULL); + __blk_add_trace(bt, bio->bi_iter.bi_sector, bio->bi_iter.bi_size, + bio->bi_rw, what, error, 0, NULL); } static void blk_add_trace_bio_bounce(void *ignore, @@ -888,8 +888,9 @@ static void blk_add_trace_split(void *ignore, if (bt) { __be64 rpdu = cpu_to_be64(pdu); - __blk_add_trace(bt, bio->bi_sector, bio->bi_size, bio->bi_rw, - BLK_TA_SPLIT, !bio_flagged(bio, BIO_UPTODATE), + __blk_add_trace(bt, bio->bi_iter.bi_sector, + bio->bi_iter.bi_size, bio->bi_rw, BLK_TA_SPLIT, + !bio_flagged(bio, BIO_UPTODATE), sizeof(rpdu), &rpdu); } } @@ -921,9 +922,9 @@ static void blk_add_trace_bio_remap(void *ignore, r.device_to = cpu_to_be32(bio->bi_bdev->bd_dev); r.sector_from = cpu_to_be64(from); - __blk_add_trace(bt, bio->bi_sector, bio->bi_size, bio->bi_rw, - BLK_TA_REMAP, !bio_flagged(bio, BIO_UPTODATE), - sizeof(r), &r); + __blk_add_trace(bt, bio->bi_iter.bi_sector, bio->bi_iter.bi_size, + bio->bi_rw, BLK_TA_REMAP, + !bio_flagged(bio, BIO_UPTODATE), sizeof(r), &r); } /** diff --git a/mm/page_io.c b/mm/page_io.c index 8d3c0c0..24f1347 100644 --- a/mm/page_io.c +++ b/mm/page_io.c @@ -29,13 +29,13 @@ static struct bio *get_swap_bio(gfp_t gfp_flags, bio = bio_alloc(gfp_flags, 1); if (bio) { - bio->bi_sector = map_swap_page(page, &bio->bi_bdev); - bio->bi_sector <<= PAGE_SHIFT - 9; + bio->bi_iter.bi_sector = map_swap_page(page, &bio->bi_bdev); + bio->bi_iter.bi_sector <<= PAGE_SHIFT - 9; bio->bi_io_vec[0].bv_page = page; bio->bi_io_vec[0].bv_len = PAGE_SIZE; bio->bi_io_vec[0].bv_offset = 0; bio->bi_vcnt = 1; - bio->bi_size = PAGE_SIZE; + bio->bi_iter.bi_size = PAGE_SIZE; bio->bi_end_io = end_io; } return bio; @@ -60,7 +60,7 @@ static void end_swap_bio_write(struct bio *bio, int err) printk(KERN_ALERT "Write-error on swap-device (%u:%u:%Lu)\n", imajor(bio->bi_bdev->bd_inode), iminor(bio->bi_bdev->bd_inode), - (unsigned long long)bio->bi_sector); + (unsigned long long)bio->bi_iter.bi_sector); ClearPageReclaim(page); } end_page_writeback(page); @@ -78,7 +78,7 @@ void end_swap_bio_read(struct bio *bio, int err) printk(KERN_ALERT "Read-error on swap-device (%u:%u:%Lu)\n", imajor(bio->bi_bdev->bd_inode), iminor(bio->bi_bdev->bd_inode), - (unsigned long long)bio->bi_sector); + (unsigned long long)bio->bi_iter.bi_sector); } else { SetPageUptodate(page); } diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c index 2c0669f..0c102ec 100644 --- a/net/ceph/messenger.c +++ b/net/ceph/messenger.c @@ -705,7 +705,7 @@ static void init_bio_iter(struct bio *bio, struct bio **iter, int *seg) return; } *iter = bio; - *seg = bio->bi_idx; + *seg = bio->bi_iter.bi_idx; } static void iter_bio_next(struct bio **bio_iter, int *seg) -- 1.8.1.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/