Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754782AbaLVLuh (ORCPT ); Mon, 22 Dec 2014 06:50:37 -0500 Received: from mail-wi0-f178.google.com ([209.85.212.178]:44036 "EHLO mail-wi0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754748AbaLVLuc (ORCPT ); Mon, 22 Dec 2014 06:50:32 -0500 From: Dongsu Park To: linux-kernel@vger.kernel.org Cc: Jens Axboe , Kent Overstreet , Ming Lin , Dongsu Park , Neil Brown , linux-raid@vger.kernel.org Subject: [RFC PATCH 13/17] md/raid5: get rid of bio_fits_rdev() Date: Mon, 22 Dec 2014 12:48:40 +0100 Message-Id: X-Mailer: git-send-email 2.1.0 In-Reply-To: References: <83a9ee8a309f8e08490c5dd715a608ea054f5c33.1419241597.git.dongsu.park@profitbricks.com> <0b6ba533a64aec98e8447bfd30c6622d0729d12e.1419241597.git.dongsu.park@profitbricks.com> <4334b90a56b96ad7a11e4ba7eb97c2cf4405950d.1419241597.git.dongsu.park@profitbricks.com> In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Kent Overstreet Remove bio_fits_rdev() completely, because ->merge_bvec_fn() has now gone. There's no point in calling bio_fits_rdev() only for ensuring aligned read from rdev. Signed-off-by: Kent Overstreet [dpark: add more description in commit message] Signed-off-by: Dongsu Park Cc: Neil Brown Cc: linux-raid@vger.kernel.org --- drivers/md/raid5.c | 23 +---------------------- 1 file changed, 1 insertion(+), 22 deletions(-) diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index c1b0d52..40e464c 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -4218,25 +4218,6 @@ static void raid5_align_endio(struct bio *bi, int error) add_bio_to_retry(raid_bi, conf); } -static int bio_fits_rdev(struct bio *bi) -{ - struct request_queue *q = bdev_get_queue(bi->bi_bdev); - - if (bio_sectors(bi) > queue_max_sectors(q)) - return 0; - blk_recount_segments(q, bi); - if (bi->bi_phys_segments > queue_max_segments(q)) - return 0; - - if (q->merge_bvec_fn) - /* it's too hard to apply the merge_bvec_fn at this stage, - * just just give up - */ - return 0; - - return 1; -} - static int chunk_aligned_read(struct mddev *mddev, struct bio * raid_bio) { struct r5conf *conf = mddev->private; @@ -4290,11 +4271,9 @@ static int chunk_aligned_read(struct mddev *mddev, struct bio * raid_bio) align_bi->bi_bdev = rdev->bdev; __clear_bit(BIO_SEG_VALID, &align_bi->bi_flags); - if (!bio_fits_rdev(align_bi) || - is_badblock(rdev, align_bi->bi_iter.bi_sector, + if (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); rdev_dec_pending(rdev, mddev); return 0; -- 2.1.0 -- 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/