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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-03-14 17:16:45 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-03-14 17:16:45 -0700 |
| commit | f1cbd03f5eabb75ea8ace23b47d2209f10871c16 (patch) | |
| tree | 2ac398bd1a50ce135461fae5b5e91ba05831af84 /block/cfq-iosched.c | |
| parent | ff398c45b03d9d64135d928c0146d8c38a70fd3b (diff) | |
| parent | ff8c1474cc2f5e11414c71ec4d739c18e6e669c0 (diff) | |
| download | op-kernel-dev-f1cbd03f5eabb75ea8ace23b47d2209f10871c16.zip op-kernel-dev-f1cbd03f5eabb75ea8ace23b47d2209f10871c16.tar.gz | |
Merge branch 'for-linus' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
"Been sitting on this for a while, but lets get this out the door.
This fixes various important bugs for 3.3 final, along with a few more
trivial ones. Please pull!"
* 'for-linus' of git://git.kernel.dk/linux-block:
block: fix ioc leak in put_io_context
block, sx8: fix pointer math issue getting fw version
Block: use a freezable workqueue for disk-event polling
drivers/block/DAC960: fix -Wuninitialized warning
drivers/block/DAC960: fix DAC960_V2_IOCTL_Opcode_T -Wenum-compare warning
block: fix __blkdev_get and add_disk race condition
block: Fix setting bio flags in drivers (sd_dif/floppy)
block: Fix NULL pointer dereference in sd_revalidate_disk
block: exit_io_context() should call elevator_exit_icq_fn()
block: simplify ioc_release_fn()
block: replace icq->changed with icq->flags
Diffstat (limited to 'block/cfq-iosched.c')
| -rw-r--r-- | block/cfq-iosched.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c index d0ba505..4572952 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c @@ -3470,20 +3470,20 @@ cfq_set_request(struct request_queue *q, struct request *rq, gfp_t gfp_mask) const int rw = rq_data_dir(rq); const bool is_sync = rq_is_sync(rq); struct cfq_queue *cfqq; + unsigned int changed; might_sleep_if(gfp_mask & __GFP_WAIT); spin_lock_irq(q->queue_lock); /* handle changed notifications */ - if (unlikely(cic->icq.changed)) { - if (test_and_clear_bit(ICQ_IOPRIO_CHANGED, &cic->icq.changed)) - changed_ioprio(cic); + changed = icq_get_changed(&cic->icq); + if (unlikely(changed & ICQ_IOPRIO_CHANGED)) + changed_ioprio(cic); #ifdef CONFIG_CFQ_GROUP_IOSCHED - if (test_and_clear_bit(ICQ_CGROUP_CHANGED, &cic->icq.changed)) - changed_cgroup(cic); + if (unlikely(changed & ICQ_CGROUP_CHANGED)) + changed_cgroup(cic); #endif - } new_queue: cfqq = cic_to_cfqq(cic, is_sync); |
