diff options
| -rw-r--r-- | block/cfq-iosched.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c index 2c7a0f4f3cd7..7104ac816fb6 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c @@ -948,6 +948,11 @@ cfq_find_alloc_cfqg(struct cfq_data *cfqd, struct cgroup *cgroup, int create) unsigned int major, minor; cfqg = cfqg_of_blkg(blkiocg_lookup_group(blkcg, key)); + if (cfqg && !cfqg->blkg.dev && bdi->dev && dev_name(bdi->dev)) { + sscanf(dev_name(bdi->dev), "%u:%u", &major, &minor); + cfqg->blkg.dev = MKDEV(major, minor); + goto done; + } if (cfqg || !create) goto done; |