diff options
| author | Alexander Graf <agraf@suse.de> | 2013-08-29 02:41:59 +0400 |
|---|---|---|
| committer | Alexander Graf <agraf@suse.de> | 2013-08-29 02:41:59 +0400 |
| commit | bf550fc93d9855872a95e69e4002256110d89858 (patch) | |
| tree | 10876bb4304bffe54c4160a132e7b8de6577ac4e /block/cfq-iosched.c | |
| parent | 7e48c101e0c53e6095c5f4f5e63d14df50aae8fc (diff) | |
| parent | cc2df20c7c4ce594c3e17e9cc260c330646012c8 (diff) | |
| download | linux-bf550fc93d9855872a95e69e4002256110d89858.tar.xz | |
Merge remote-tracking branch 'origin/next' into kvm-ppc-next
Conflicts:
mm/Kconfig
CMA DMA split and ZSWAP introduction were conflicting, fix up manually.
Diffstat (limited to 'block/cfq-iosched.c')
| -rw-r--r-- | block/cfq-iosched.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c index d5cd3131c57a..d5bbdcfd0dab 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c @@ -4347,18 +4347,28 @@ static void cfq_exit_queue(struct elevator_queue *e) kfree(cfqd); } -static int cfq_init_queue(struct request_queue *q) +static int cfq_init_queue(struct request_queue *q, struct elevator_type *e) { struct cfq_data *cfqd; struct blkcg_gq *blkg __maybe_unused; int i, ret; + struct elevator_queue *eq; + + eq = elevator_alloc(q, e); + if (!eq) + return -ENOMEM; cfqd = kmalloc_node(sizeof(*cfqd), GFP_KERNEL | __GFP_ZERO, q->node); - if (!cfqd) + if (!cfqd) { + kobject_put(&eq->kobj); return -ENOMEM; + } + eq->elevator_data = cfqd; cfqd->queue = q; - q->elevator->elevator_data = cfqd; + spin_lock_irq(q->queue_lock); + q->elevator = eq; + spin_unlock_irq(q->queue_lock); /* Init root service tree */ cfqd->grp_service_tree = CFQ_RB_ROOT; @@ -4433,6 +4443,7 @@ static int cfq_init_queue(struct request_queue *q) out_free: kfree(cfqd); + kobject_put(&eq->kobj); return ret; } |