diff options
| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-02-19 18:35:12 -0800 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-02-19 18:35:12 -0800 |
| commit | fa2c8f401797eee814b7b9fa0b23fa6c4c3f5533 (patch) | |
| tree | 826fb23071b866e112d6e9c510fe3ad4d668acdc /block/cfq-iosched.c | |
| parent | a387419612f9c246701a5080bccecf3c04f65277 (diff) | |
| parent | b01543dfe67bb1d191998e90d20534dc354de059 (diff) | |
Merge tag 'v3.3-rc4' into for-3.4 in order to resolve the conflict
resolved below within the FSI driver and allow the application of the
dmaeengine conversion that depends on this resolution.
Linux 3.3-rc4
Conflicts:
sound/soc/sh/fsi.c
Diffstat (limited to 'block/cfq-iosched.c')
| -rw-r--r-- | block/cfq-iosched.c | 24 |
1 files changed, 9 insertions, 15 deletions
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c index ee55019066a1..d0ba50533668 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c @@ -1699,18 +1699,11 @@ static int cfq_allow_merge(struct request_queue *q, struct request *rq, /* * Lookup the cfqq that this bio will be queued with and allow - * merge only if rq is queued there. This function can be called - * from plug merge without queue_lock. In such cases, ioc of @rq - * and %current are guaranteed to be equal. Avoid lookup which - * requires queue_lock by using @rq's cic. + * merge only if rq is queued there. */ - if (current->io_context == RQ_CIC(rq)->icq.ioc) { - cic = RQ_CIC(rq); - } else { - cic = cfq_cic_lookup(cfqd, current->io_context); - if (!cic) - return false; - } + cic = cfq_cic_lookup(cfqd, current->io_context); + if (!cic) + return false; cfqq = cic_to_cfqq(cic, cfq_bio_sync(bio)); return cfqq == RQ_CFQQ(rq); @@ -1794,7 +1787,7 @@ __cfq_slice_expired(struct cfq_data *cfqd, struct cfq_queue *cfqq, cfqd->active_queue = NULL; if (cfqd->active_cic) { - put_io_context(cfqd->active_cic->icq.ioc, cfqd->queue); + put_io_context(cfqd->active_cic->icq.ioc); cfqd->active_cic = NULL; } } @@ -3117,17 +3110,18 @@ cfq_should_preempt(struct cfq_data *cfqd, struct cfq_queue *new_cfqq, */ static void cfq_preempt_queue(struct cfq_data *cfqd, struct cfq_queue *cfqq) { + enum wl_type_t old_type = cfqq_type(cfqd->active_queue); + cfq_log_cfqq(cfqd, cfqq, "preempt"); + cfq_slice_expired(cfqd, 1); /* * workload type is changed, don't save slice, otherwise preempt * doesn't happen */ - if (cfqq_type(cfqd->active_queue) != cfqq_type(cfqq)) + if (old_type != cfqq_type(cfqq)) cfqq->cfqg->saved_workload_slice = 0; - cfq_slice_expired(cfqd, 1); - /* * Put the new queue at the front of the of the current list, * so we know that it will be selected next. |