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| author |   Kent Overstreet <kent.overstreet@gmail.com> | 2013-09-25 13:37:01 -0700 |
|---|---|---|
| committer |   Jens Axboe <axboe@fb.com> | 2015-08-13 12:31:54 -0600 |
| commit | 7140aafce2fc14c5af02fdb7859b6bea0108be3d (patch) | |
| tree | 713953c5dfa02e66fd4079f23bd3e4cec831302d /drivers/md/raid5.c | |
| parent | md/raid5: split bio for chunk_aligned_read (diff) | |
| download | linux-dev-7140aafce2fc14c5af02fdb7859b6bea0108be3d.tar.xz linux-dev-7140aafce2fc14c5af02fdb7859b6bea0108be3d.zip | |
md/raid5: get rid of bio_fits_rdev()
Remove bio_fits_rdev() as sufficient merge_bvec_fn() handling is now
performed by blk_queue_split() in md_make_request().
Cc: Neil Brown <neilb@suse.de>
Cc: linux-raid@vger.kernel.org
Acked-by: NeilBrown <neilb@suse.de>
Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
[dpark: add more description in commit message]
Signed-off-by: Dongsu Park <dpark@posteo.net>
Signed-off-by: Ming Lin <ming.l@ssi.samsung.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'drivers/md/raid5.c')
| -rw-r--r-- | drivers/md/raid5.c | 23 |
1 files changed, 1 insertions, 22 deletions
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 256cc07f0874..7823295332de 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -4781,25 +4781,6 @@ static void raid5_align_endio(struct bio *bi) 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 raid5_read_one_chunk(struct mddev *mddev, struct bio *raid_bio) { struct r5conf *conf = mddev->private; @@ -4853,11 +4834,9 @@ static int raid5_read_one_chunk(struct mddev *mddev, struct bio *raid_bio) align_bi->bi_bdev = rdev->bdev; bio_clear_flag(align_bi, BIO_SEG_VALID); - 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; |