diff options
Diffstat (limited to 'block/cfq-iosched.c')
| -rw-r--r-- | block/cfq-iosched.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c index c62bb2e650b8..e91093d0c0eb 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c @@ -3731,8 +3731,8 @@ cfq_get_queue(struct cfq_data *cfqd, bool is_sync, struct cfq_io_cq *cic, { int ioprio_class = IOPRIO_PRIO_CLASS(cic->ioprio); int ioprio = IOPRIO_PRIO_DATA(cic->ioprio); - struct cfq_queue **async_cfqq = NULL; - struct cfq_queue *cfqq = NULL; + struct cfq_queue **async_cfqq; + struct cfq_queue *cfqq; if (!is_sync) { if (!ioprio_valid(cic->ioprio)) { @@ -3742,19 +3742,20 @@ cfq_get_queue(struct cfq_data *cfqd, bool is_sync, struct cfq_io_cq *cic, } async_cfqq = cfq_async_queue_prio(cfqd, ioprio_class, ioprio); cfqq = *async_cfqq; + if (cfqq) + goto out; } - if (!cfqq) - cfqq = cfq_find_alloc_queue(cfqd, is_sync, cic, bio, gfp_mask); + cfqq = cfq_find_alloc_queue(cfqd, is_sync, cic, bio, gfp_mask); /* * pin the queue now that it's allocated, scheduler exit will prune it */ - if (!is_sync && !(*async_cfqq)) { + if (!is_sync) { cfqq->ref++; *async_cfqq = cfqq; } - +out: cfqq->ref++; return cfqq; } |