diff options
Diffstat (limited to 'drivers/md')
-rw-r--r-- | drivers/md/md.c | 2 | ||||
-rw-r--r-- | drivers/md/md.h | 26 | ||||
-rw-r--r-- | drivers/md/raid1.c | 15 | ||||
-rw-r--r-- | drivers/md/raid10.c | 15 | ||||
-rw-r--r-- | drivers/md/raid5.c | 12 |
5 files changed, 20 insertions, 50 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c index 9ab768acfb62..7e513a38cec7 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -452,7 +452,7 @@ void md_flush_request(struct mddev *mddev, struct bio *bio) spin_lock_irq(&mddev->write_lock); wait_event_lock_irq(mddev->sb_wait, !mddev->flush_bio, - mddev->write_lock, /*nothing*/); + mddev->write_lock); mddev->flush_bio = bio; spin_unlock_irq(&mddev->write_lock); diff --git a/drivers/md/md.h b/drivers/md/md.h index af443ab868db..1e2fc3d9c74c 100644 --- a/drivers/md/md.h +++ b/drivers/md/md.h @@ -551,32 +551,6 @@ struct md_thread { #define THREAD_WAKEUP 0 -#define __wait_event_lock_irq(wq, condition, lock, cmd) \ -do { \ - wait_queue_t __wait; \ - init_waitqueue_entry(&__wait, current); \ - \ - add_wait_queue(&wq, &__wait); \ - for (;;) { \ - set_current_state(TASK_UNINTERRUPTIBLE); \ - if (condition) \ - break; \ - spin_unlock_irq(&lock); \ - cmd; \ - schedule(); \ - spin_lock_irq(&lock); \ - } \ - current->state = TASK_RUNNING; \ - remove_wait_queue(&wq, &__wait); \ -} while (0) - -#define wait_event_lock_irq(wq, condition, lock, cmd) \ -do { \ - if (condition) \ - break; \ - __wait_event_lock_irq(wq, condition, lock, cmd); \ -} while (0) - static inline void safe_put_page(struct page *p) { if (p) put_page(p); diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index 8034fbd6190c..534dd74a2da0 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -822,7 +822,7 @@ static void raise_barrier(struct r1conf *conf) /* Wait until no block IO is waiting */ wait_event_lock_irq(conf->wait_barrier, !conf->nr_waiting, - conf->resync_lock, ); + conf->resync_lock); /* block any new IO from starting */ conf->barrier++; @@ -830,7 +830,7 @@ static void raise_barrier(struct r1conf *conf) /* Now wait for all pending IO to complete */ wait_event_lock_irq(conf->wait_barrier, !conf->nr_pending && conf->barrier < RESYNC_DEPTH, - conf->resync_lock, ); + conf->resync_lock); spin_unlock_irq(&conf->resync_lock); } @@ -864,8 +864,7 @@ static void wait_barrier(struct r1conf *conf) (conf->nr_pending && current->bio_list && !bio_list_empty(current->bio_list)), - conf->resync_lock, - ); + conf->resync_lock); conf->nr_waiting--; } conf->nr_pending++; @@ -898,10 +897,10 @@ static void freeze_array(struct r1conf *conf) spin_lock_irq(&conf->resync_lock); conf->barrier++; conf->nr_waiting++; - wait_event_lock_irq(conf->wait_barrier, - conf->nr_pending == conf->nr_queued+1, - conf->resync_lock, - flush_pending_writes(conf)); + wait_event_lock_irq_cmd(conf->wait_barrier, + conf->nr_pending == conf->nr_queued+1, + conf->resync_lock, + flush_pending_writes(conf)); spin_unlock_irq(&conf->resync_lock); } static void unfreeze_array(struct r1conf *conf) diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 906ccbd0f7dc..9a08f621b27d 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -952,7 +952,7 @@ static void raise_barrier(struct r10conf *conf, int force) /* Wait until no block IO is waiting (unless 'force') */ wait_event_lock_irq(conf->wait_barrier, force || !conf->nr_waiting, - conf->resync_lock, ); + conf->resync_lock); /* block any new IO from starting */ conf->barrier++; @@ -960,7 +960,7 @@ static void raise_barrier(struct r10conf *conf, int force) /* Now wait for all pending IO to complete */ wait_event_lock_irq(conf->wait_barrier, !conf->nr_pending && conf->barrier < RESYNC_DEPTH, - conf->resync_lock, ); + conf->resync_lock); spin_unlock_irq(&conf->resync_lock); } @@ -993,8 +993,7 @@ static void wait_barrier(struct r10conf *conf) (conf->nr_pending && current->bio_list && !bio_list_empty(current->bio_list)), - conf->resync_lock, - ); + conf->resync_lock); conf->nr_waiting--; } conf->nr_pending++; @@ -1027,10 +1026,10 @@ static void freeze_array(struct r10conf *conf) spin_lock_irq(&conf->resync_lock); conf->barrier++; conf->nr_waiting++; - wait_event_lock_irq(conf->wait_barrier, - conf->nr_pending == conf->nr_queued+1, - conf->resync_lock, - flush_pending_writes(conf)); + wait_event_lock_irq_cmd(conf->wait_barrier, + conf->nr_pending == conf->nr_queued+1, + conf->resync_lock, + flush_pending_writes(conf)); spin_unlock_irq(&conf->resync_lock); } diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index c5439dce0295..2bf617d6f4fd 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -466,7 +466,7 @@ get_active_stripe(struct r5conf *conf, sector_t sector, do { wait_event_lock_irq(conf->wait_for_stripe, conf->quiesce == 0 || noquiesce, - conf->device_lock, /* nothing */); + conf->device_lock); sh = __find_stripe(conf, sector, conf->generation - previous); if (!sh) { if (!conf->inactive_blocked) @@ -480,8 +480,7 @@ get_active_stripe(struct r5conf *conf, sector_t sector, (atomic_read(&conf->active_stripes) < (conf->max_nr_stripes *3/4) || !conf->inactive_blocked), - conf->device_lock, - ); + conf->device_lock); conf->inactive_blocked = 0; } else init_stripe(sh, sector, previous); @@ -1646,8 +1645,7 @@ static int resize_stripes(struct r5conf *conf, int newsize) spin_lock_irq(&conf->device_lock); wait_event_lock_irq(conf->wait_for_stripe, !list_empty(&conf->inactive_list), - conf->device_lock, - ); + conf->device_lock); osh = get_free_stripe(conf); spin_unlock_irq(&conf->device_lock); atomic_set(&nsh->count, 1); @@ -4000,7 +3998,7 @@ static int chunk_aligned_read(struct mddev *mddev, struct bio * raid_bio) spin_lock_irq(&conf->device_lock); wait_event_lock_irq(conf->wait_for_stripe, conf->quiesce == 0, - conf->device_lock, /* nothing */); + conf->device_lock); atomic_inc(&conf->active_aligned_reads); spin_unlock_irq(&conf->device_lock); @@ -6088,7 +6086,7 @@ static void raid5_quiesce(struct mddev *mddev, int state) wait_event_lock_irq(conf->wait_for_stripe, atomic_read(&conf->active_stripes) == 0 && atomic_read(&conf->active_aligned_reads) == 0, - conf->device_lock, /* nothing */); + conf->device_lock); conf->quiesce = 1; spin_unlock_irq(&conf->device_lock); /* allow reshape to continue */ |