diff options
| author | Shaohua Li <shli@fb.com> | 2017-08-18 10:27:59 -0700 |
|---|---|---|
| committer | Shaohua Li <shli@fb.com> | 2017-08-25 10:21:48 -0700 |
| commit | 8a8e6f84ad10e7a10bde438b42926da0e9bc820f (patch) | |
| tree | e947785c69c1ce1ef3edd8c6a3f4836956a79f48 | |
| parent | b5e0fff19bef3a36631bce742e363d3a99590c3a (diff) | |
| download | linux-8a8e6f84ad10e7a10bde438b42926da0e9bc820f.tar.bz2 | |
md/raid0: attach correct cgroup info in bio
The discard bio doesn't attach the original bio cgroup info. Normal bio
is cloned, so is fine.
Signed-off-by: Shaohua Li <shli@fb.com>
| -rw-r--r-- | block/bio.c | 2 | ||||
| -rw-r--r-- | drivers/md/raid0.c | 1 |
2 files changed, 2 insertions, 1 deletions
diff --git a/block/bio.c b/block/bio.c index 9a63597aaacc..51189a1d9009 100644 --- a/block/bio.c +++ b/block/bio.c @@ -2085,7 +2085,7 @@ void bio_clone_blkcg_association(struct bio *dst, struct bio *src) if (src->bi_css) WARN_ON(bio_associate_blkcg(dst, src->bi_css)); } - +EXPORT_SYMBOL_GPL(bio_clone_blkcg_association); #endif /* CONFIG_BLK_CGROUP */ static void __init biovec_init_slabs(void) diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c index 94d9ae9b0fd0..6fb81704aff4 100644 --- a/drivers/md/raid0.c +++ b/drivers/md/raid0.c @@ -539,6 +539,7 @@ static void raid0_handle_discard(struct mddev *mddev, struct bio *bio) !discard_bio) continue; bio_chain(discard_bio, bio); + bio_clone_blkcg_association(discard_bio, bio); if (mddev->gendisk) trace_block_bio_remap(bdev_get_queue(rdev->bdev), discard_bio, disk_devt(mddev->gendisk), |