From: "Theodore Ts'o" Subject: [GIT PULL] ext4 update for 2.6.37 Date: Thu, 28 Oct 2010 00:52:07 -0400 Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org To: Linus Torvalds Return-path: Received: from THUNK.ORG ([69.25.196.29]:51359 "EHLO thunker.thunk.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750761Ab0J1EwP (ORCPT ); Thu, 28 Oct 2010 00:52:15 -0400 Sender: linux-ext4-owner@vger.kernel.org List-ID: Hi Linus, Please pull from: git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git for_linu= s or git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git upstream= -merge the merge is somewhat complex, since there's been a lot of work going o= n in parallel with discard and zeroout changes, as well as the change block_prepare_write/__block_write_begin. The changes pass the xfstests regression test suite, using both 1k and 4k block sizes --- both before the upstream merge (the for_linus branch) and after doing a trial merge with the head of your tree as of Wednesday evening (the upstream-merge branch). The changes this time around have two major features, which are responsible for most of the new lines of code. One is lazy inode table initialization, which allows ext4 file systems to be mkfs'ed very quickly. The second is changing the I/O submission path so that it use= s the block I/O layer directly. This makes blktraces much smaller, and makes ext4 far more scalable. On the boxacle "large file create" workload, run with 48 and 192 threads on a 48-core AMD box, ext4 now ha= s a 3x increase in write throughput, and CPU usage has been reduced by a factor of 3-4. Most of this was achieved by reducing spinlock contention on the block queue submission locks. We also added support for run-time discard of unused blocks using the new FITRIM ioctl (which has been run by the linux-fs mailing list as a generic file system-independent interface). And, of course, a lot of bug fixes and clean ups. - Ted Brian King (1): jbd2: Fix I/O hang in jbd2_journal_release_jbd_inode Curt Wohlgemuth (1): ext4: use dedicated slab caches for group_info structures Dmitry Monakhov (1): ext4: optimize orphan_list handling for ext4_setattr Eric Sandeen (10): ext4: stop looping in ext4_num_dirty_pages when max_pages reached ext4: don't bump up LONG_MAX nr_to_write by a factor of 8 ext4: fix oops in trace_ext4_mb_release_group_pa ext4: don't use ext4_allocation_contexts for tracing ext4: queue conversion after adding to inode's completed IO list ext4: remove unused ext4_sb_info members ext4: tidy up a void argument in inode.c ext4: implement writeback livelock avoidance using page tagging ext4: update writeback_index based on last page scanned ext4: move ext4_mb_{get,put}_buddy_cache_lock and make them stati= c Kazuya Mio (1): ext4: fix compile error in ext4_fallocate() Lukas Czerner (11): ext4: check for negative error code from sb_issue_discard ext4: don't hold spinlock while calling ext4_issue_discard() Add helper function for blkdev_issue_zeroout (sb_issue_discard) ext4: add support for lazy inode table initialization ext4: add interface to advertise ext4 features in sysfs ext4: use sb_issue_zeroout in setup_new_group_blocks ext4: use sb_issue_zeroout in ext4_ext_zeroout ext4: Use return value from sb_issue_discard() fs: Add FITRIM ioctl ext4: Add batched discard support for ext4 ext4: add batched_discard into ext4 feature list Maciej =C5=BBenczykowski (1): ext4: don't update sb journal_devnum when RO dev Namhyung Kim (1): ext4: Check return value of sb_getblk() and friends Nicolas Kaiser (1): ext4: fix unbalanced mutex unlock in error path of ext4_li_reques= t_new Sergey Senozhatsky (1): ext4: fix NULL pointer dereference in print_daily_error_info() Theodore Ts'o (18): ext4: fix EOFBLOCKS_FL handling jbd2: Add sanity check for attempts to start handle during umount ext4: avoid uninitialized memory references in ext3_htree_next_bl= ock() ext4: use search_dirblock() in ext4_dx_find_entry() ext4: use KMEM_CACHE instead of kmem_cache_create ext4: call mpage_da_submit_io() from mpage_da_map_blocks() ext4: simplify ext4_writepage() ext4: inline ext4_writepage() into mpage_da_submit_io() ext4: inline walk_page_buffers() into mpage_da_submit_io ext4: move mpage_put_bnr_to_bhs()'s functionality to mpage_da_sub= mit_io() ext4: use bio layer instead of buffer layer in mpage_da_submit_io ext4: fix kernel oops if the journal superblock has a non-zero j_= errno ext4: rename {exit,init}_ext4_*() to ext4_{exit,init}_*() ext4: make various ext4 functions be static ext4: rename {ext,idx}_pblock and inline small extent functions ext4: move flush_completed_IO to fs/ext4/fsync.c and make it stat= ic ext4: rename mark_bitmap_end() to ext4_mark_bitmap_end() ext4,jbd2: convert tracepoints to use major/minor numbers Toshiyuki Okajima (2): ext4: improve llseek error handling for overly large seek offsets ext4: fix potential infinite loop in ext4_da_writepages() Wen Congyang (1): ext4: avoid null dereference in trace_ext4_mballoc_discard Documentation/filesystems/ext4.txt | 14 + fs/ext4/Makefile | 2 +- fs/ext4/balloc.c | 5 +- fs/ext4/block_validity.c | 7 +- fs/ext4/dir.c | 2 +- fs/ext4/ext4.h | 110 ++++++-- fs/ext4/ext4_extents.h | 65 ++++- fs/ext4/extents.c | 369 ++++++++++------------- fs/ext4/file.c | 44 +++- fs/ext4/fsync.c | 83 +++++ fs/ext4/ialloc.c | 136 ++++++++- fs/ext4/inode.c | 587 +++++++++++++---------------= -------- fs/ext4/mballoc.c | 554 ++++++++++++++++++++++------= ------ fs/ext4/migrate.c | 2 +- fs/ext4/move_extent.c | 22 +- fs/ext4/namei.c | 63 ++--- fs/ext4/page-io.c | 430 ++++++++++++++++++++++++++ fs/ext4/resize.c | 53 +--- fs/ext4/super.c | 531 ++++++++++++++++++++++++++++= +++-- fs/ext4/xattr.c | 4 +- fs/ext4/xattr.h | 8 +- fs/ioctl.c | 39 +++ fs/jbd2/checkpoint.c | 10 + fs/jbd2/commit.c | 12 +- fs/jbd2/journal.c | 4 +- fs/jbd2/transaction.c | 1 + include/linux/blkdev.h | 8 + include/linux/fs.h | 8 + include/linux/jbd2.h | 2 +- include/linux/percpu_counter.h | 10 + include/linux/writeback.h | 2 + include/trace/events/ext4.h | 378 ++++++++++++++--------- include/trace/events/jbd2.h | 78 +++-- 33 files changed, 2513 insertions(+), 1130 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html