diff options
Diffstat (limited to 'block/bio.c')
| -rw-r--r-- | block/bio.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/block/bio.c b/block/bio.c index c288b9057042..9194d8ad3d5e 100644 --- a/block/bio.c +++ b/block/bio.c @@ -2096,8 +2096,12 @@ EXPORT_SYMBOL_GPL(bio_associate_blkg); */ void bio_clone_blkg_association(struct bio *dst, struct bio *src) { + rcu_read_lock(); + if (src->bi_blkg) __bio_associate_blkg(dst, src->bi_blkg); + + rcu_read_unlock(); } EXPORT_SYMBOL_GPL(bio_clone_blkg_association); #endif /* CONFIG_BLK_CGROUP */ |