diff options
| author | Yu Kuai <yukuai3@huawei.com> | 2023-05-29 16:11:01 +0300 |
|---|---|---|
| committer | Song Liu <song@kernel.org> | 2023-06-14 01:25:43 +0300 |
| commit | 5ec6ca140a034682e421e2e808ef5ddfdfd65242 (patch) | |
| tree | e8a4f1e657acb12536ac988ca174d4896c3bcb30 /drivers/md/raid1-10.c | |
| parent | 010444623e7f4da6b4a4dd603a7da7469981e293 (diff) | |
| download | linux-5ec6ca140a034682e421e2e808ef5ddfdfd65242.tar.xz | |
md/raid1-10: factor out a helper to add bio to plug
The code in raid1 and raid10 is identical, prepare to limit the number
of plugged bios.
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Signed-off-by: Song Liu <song@kernel.org>
Link: https://lore.kernel.org/r/20230529131106.2123367-3-yukuai1@huaweicloud.com
Diffstat (limited to 'drivers/md/raid1-10.c')
| -rw-r--r-- | drivers/md/raid1-10.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/md/raid1-10.c b/drivers/md/raid1-10.c index cd349e69ed77..76cff924b70b 100644 --- a/drivers/md/raid1-10.c +++ b/drivers/md/raid1-10.c @@ -110,3 +110,19 @@ static void md_bio_reset_resync_pages(struct bio *bio, struct resync_pages *rp, size -= len; } while (idx++ < RESYNC_PAGES && size > 0); } + +static inline bool raid1_add_bio_to_plug(struct mddev *mddev, struct bio *bio, + blk_plug_cb_fn unplug) +{ + struct raid1_plug_cb *plug = NULL; + struct blk_plug_cb *cb = blk_check_plugged(unplug, mddev, + sizeof(*plug)); + + if (!cb) + return false; + + plug = container_of(cb, struct raid1_plug_cb, cb); + bio_list_add(&plug->pending, bio); + + return true; +} |