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md/raid1-10: factor out a helper to submit normal write 

There are multiple places to do the same thing, factor out a helper to
prevent redundant code, and the helper will be used in following patch
as well.

Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Signed-off-by: Song Liu <song@kernel.org>
Link: https://lore.kernel.org/r/20230529131106.2123367-4-yukuai1@huaweicloud.com
This commit is contained in:
Yu Kuai 2023-05-29 21:11:02 +08:00 committed by Song Liu
parent 5ec6ca140a
commit 8295efbe68
3 changed files with 23 additions and 33 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
drivers/md/raid1-10.c
View File

@ -111,6 +111,23 @@ static void md_bio_reset_resync_pages(struct bio *bio, struct resync_pages *rp,
} while (idx++ < RESYNC_PAGES && size > 0);
}
static inline void raid1_submit_write(struct bio *bio)
{
struct md_rdev *rdev = (struct md_rdev *)bio->bi_bdev;
bio->bi_next = NULL;
bio_set_dev(bio, rdev->bdev);
if (test_bit(Faulty, &rdev->flags))
bio_io_error(bio);
else if (unlikely(bio_op(bio) == REQ_OP_DISCARD &&
!bdev_max_discard_sectors(bio->bi_bdev)))
/* Just ignore it */
bio_endio(bio);
else
submit_bio_noacct(bio);
}
static inline bool raid1_add_bio_to_plug(struct mddev *mddev, struct bio *bio,
blk_plug_cb_fn unplug)
{

13
drivers/md/raid1.c
View File

@ -799,17 +799,8 @@ static void flush_bio_list(struct r1conf *conf, struct bio *bio)
while (bio) { /* submit pending writes */
struct bio *next = bio->bi_next;
struct md_rdev *rdev = (void *)bio->bi_bdev;
bio->bi_next = NULL;
bio_set_dev(bio, rdev->bdev);
if (test_bit(Faulty, &rdev->flags)) {
bio_io_error(bio);
} else if (unlikely((bio_op(bio) == REQ_OP_DISCARD) &&
!bdev_max_discard_sectors(bio->bi_bdev)))
/* Just ignore it */
bio_endio(bio);
else
submit_bio_noacct(bio);
raid1_submit_write(bio);
bio = next;
cond_resched();
}

26
drivers/md/raid10.c
View File

@ -917,17 +917,8 @@ static void flush_pending_writes(struct r10conf *conf)
while (bio) { /* submit pending writes */
struct bio *next = bio->bi_next;
struct md_rdev *rdev = (void*)bio->bi_bdev;
bio->bi_next = NULL;
bio_set_dev(bio, rdev->bdev);
if (test_bit(Faulty, &rdev->flags)) {
bio_io_error(bio);
} else if (unlikely((bio_op(bio) == REQ_OP_DISCARD) &&
!bdev_max_discard_sectors(bio->bi_bdev)))
/* Just ignore it */
bio_endio(bio);
else
submit_bio_noacct(bio);
raid1_submit_write(bio);
bio = next;
cond_resched();
}
@ -1142,17 +1133,8 @@ static void raid10_unplug(struct blk_plug_cb *cb, bool from_schedule)
while (bio) { /* submit pending writes */
struct bio *next = bio->bi_next;
struct md_rdev *rdev = (void*)bio->bi_bdev;
bio->bi_next = NULL;
bio_set_dev(bio, rdev->bdev);
if (test_bit(Faulty, &rdev->flags)) {
bio_io_error(bio);
} else if (unlikely((bio_op(bio) == REQ_OP_DISCARD) &&
!bdev_max_discard_sectors(bio->bi_bdev)))
/* Just ignore it */
bio_endio(bio);
else
submit_bio_noacct(bio);
raid1_submit_write(bio);
bio = next;
cond_resched();
}