diff options
Diffstat (limited to 'block/cfq-iosched.c')
| -rw-r--r-- | block/cfq-iosched.c | 21 |
1 files changed, 0 insertions, 21 deletions
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c index 08d4fdd188fa..f67d109eb974 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c @@ -1052,20 +1052,7 @@ static void cfq_link_blkio_group(struct request_queue *q, struct blkio_group *blkg) { struct cfq_data *cfqd = q->elevator->elevator_data; - struct backing_dev_info *bdi = &q->backing_dev_info; struct cfq_group *cfqg = cfqg_of_blkg(blkg); - unsigned int major, minor; - - /* - * Add group onto cgroup list. It might happen that bdi->dev is - * not initialized yet. Initialize this new group without major - * and minor info and this info will be filled in once a new thread - * comes for IO. - */ - if (bdi->dev) { - sscanf(dev_name(bdi->dev), "%u:%u", &major, &minor); - blkg->dev = MKDEV(major, minor); - } cfqd->nr_blkcg_linked_grps++; @@ -1104,7 +1091,6 @@ static struct cfq_group *cfq_lookup_create_cfqg(struct cfq_data *cfqd, struct blkio_cgroup *blkcg) { struct request_queue *q = cfqd->queue; - struct backing_dev_info *bdi = &q->backing_dev_info; struct cfq_group *cfqg = NULL; /* avoid lookup for the common case where there's no blkio cgroup */ @@ -1118,13 +1104,6 @@ static struct cfq_group *cfq_lookup_create_cfqg(struct cfq_data *cfqd, cfqg = cfqg_of_blkg(blkg); } - if (cfqg && !cfqg->blkg.dev && bdi->dev && dev_name(bdi->dev)) { - unsigned int major, minor; - - sscanf(dev_name(bdi->dev), "%u:%u", &major, &minor); - cfqg->blkg.dev = MKDEV(major, minor); - } - return cfqg; } |