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Commit 8a8e6f84 authored by Shaohua Li's avatar Shaohua Li
Browse files

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: default avatarShaohua Li <shli@fb.com>
parent b5e0fff1

block/bio.c

+1 −1
Original line number Diff line number Diff line
@@ -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)

drivers/md/raid0.c

+1 −0
Original line number Diff line number Diff line
@@ -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),