diff options
author | Alan D. Brunelle <Alan.Brunelle@hp.com> | 2007-11-07 14:26:56 -0500 |
---|---|---|
committer | Jens Axboe <jens.axboe@oracle.com> | 2007-11-09 13:41:32 +0100 |
commit | 2ad8b1ef11c98c5603580878aebf9f1bc74129e4 (patch) | |
tree | f7bdc2484513f6ffd174b1385bb216dcf97d2c78 /drivers/md | |
parent | d85532ed284e63b5c56eaf2418f262822af60be4 (diff) | |
download | linux-stable-2ad8b1ef11c98c5603580878aebf9f1bc74129e4.tar.gz linux-stable-2ad8b1ef11c98c5603580878aebf9f1bc74129e4.tar.bz2 linux-stable-2ad8b1ef11c98c5603580878aebf9f1bc74129e4.zip |
Add UNPLUG traces to all appropriate places
Added blk_unplug interface, allowing all invocations of unplugs to result
in a generated blktrace UNPLUG.
Signed-off-by: Alan D. Brunelle <Alan.Brunelle@hp.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'drivers/md')
-rw-r--r-- | drivers/md/bitmap.c | 3 | ||||
-rw-r--r-- | drivers/md/dm-table.c | 3 | ||||
-rw-r--r-- | drivers/md/linear.c | 3 | ||||
-rw-r--r-- | drivers/md/md.c | 4 | ||||
-rw-r--r-- | drivers/md/multipath.c | 3 | ||||
-rw-r--r-- | drivers/md/raid0.c | 3 | ||||
-rw-r--r-- | drivers/md/raid1.c | 3 | ||||
-rw-r--r-- | drivers/md/raid10.c | 3 | ||||
-rw-r--r-- | drivers/md/raid5.c | 3 |
9 files changed, 10 insertions, 18 deletions
diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c index 7c426d07a555..1b1ef3130e6e 100644 --- a/drivers/md/bitmap.c +++ b/drivers/md/bitmap.c @@ -1207,8 +1207,7 @@ int bitmap_startwrite(struct bitmap *bitmap, sector_t offset, unsigned long sect prepare_to_wait(&bitmap->overflow_wait, &__wait, TASK_UNINTERRUPTIBLE); spin_unlock_irq(&bitmap->lock); - bitmap->mddev->queue - ->unplug_fn(bitmap->mddev->queue); + blk_unplug(bitmap->mddev->queue); schedule(); finish_wait(&bitmap->overflow_wait, &__wait); continue; diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c index 5a7eb650181e..e298d8d11f24 100644 --- a/drivers/md/dm-table.c +++ b/drivers/md/dm-table.c @@ -1000,8 +1000,7 @@ void dm_table_unplug_all(struct dm_table *t) struct dm_dev *dd = list_entry(d, struct dm_dev, list); struct request_queue *q = bdev_get_queue(dd->bdev); - if (q->unplug_fn) - q->unplug_fn(q); + blk_unplug(q); } } diff --git a/drivers/md/linear.c b/drivers/md/linear.c index 56a11f6c127b..3dac1cfb8189 100644 --- a/drivers/md/linear.c +++ b/drivers/md/linear.c @@ -87,8 +87,7 @@ static void linear_unplug(struct request_queue *q) for (i=0; i < mddev->raid_disks; i++) { struct request_queue *r_queue = bdev_get_queue(conf->disks[i].rdev->bdev); - if (r_queue->unplug_fn) - r_queue->unplug_fn(r_queue); + blk_unplug(r_queue); } } diff --git a/drivers/md/md.c b/drivers/md/md.c index 808cd9549456..cef9ebd5a046 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -5445,7 +5445,7 @@ void md_do_sync(mddev_t *mddev) * about not overloading the IO subsystem. (things like an * e2fsck being done on the RAID array should execute fast) */ - mddev->queue->unplug_fn(mddev->queue); + blk_unplug(mddev->queue); cond_resched(); currspeed = ((unsigned long)(io_sectors-mddev->resync_mark_cnt))/2 @@ -5464,7 +5464,7 @@ void md_do_sync(mddev_t *mddev) * this also signals 'finished resyncing' to md_stop */ out: - mddev->queue->unplug_fn(mddev->queue); + blk_unplug(mddev->queue); wait_event(mddev->recovery_wait, !atomic_read(&mddev->recovery_active)); diff --git a/drivers/md/multipath.c b/drivers/md/multipath.c index b35731cceac6..eb631ebed686 100644 --- a/drivers/md/multipath.c +++ b/drivers/md/multipath.c @@ -125,8 +125,7 @@ static void unplug_slaves(mddev_t *mddev) atomic_inc(&rdev->nr_pending); rcu_read_unlock(); - if (r_queue->unplug_fn) - r_queue->unplug_fn(r_queue); + blk_unplug(r_queue); rdev_dec_pending(rdev, mddev); rcu_read_lock(); diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c index c111105fc2dc..f8e591708d1f 100644 --- a/drivers/md/raid0.c +++ b/drivers/md/raid0.c @@ -35,8 +35,7 @@ static void raid0_unplug(struct request_queue *q) for (i=0; i<mddev->raid_disks; i++) { struct request_queue *r_queue = bdev_get_queue(devlist[i]->bdev); - if (r_queue->unplug_fn) - r_queue->unplug_fn(r_queue); + blk_unplug(r_queue); } } diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index 85478d6a9c1a..4a69c416e045 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -549,8 +549,7 @@ static void unplug_slaves(mddev_t *mddev) atomic_inc(&rdev->nr_pending); rcu_read_unlock(); - if (r_queue->unplug_fn) - r_queue->unplug_fn(r_queue); + blk_unplug(r_queue); rdev_dec_pending(rdev, mddev); rcu_read_lock(); diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index fc6607acb6e4..5cdcc9386200 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -593,8 +593,7 @@ static void unplug_slaves(mddev_t *mddev) atomic_inc(&rdev->nr_pending); rcu_read_unlock(); - if (r_queue->unplug_fn) - r_queue->unplug_fn(r_queue); + blk_unplug(r_queue); rdev_dec_pending(rdev, mddev); rcu_read_lock(); diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 82af3465a900..1cfc984cc7b7 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -3186,8 +3186,7 @@ static void unplug_slaves(mddev_t *mddev) atomic_inc(&rdev->nr_pending); rcu_read_unlock(); - if (r_queue->unplug_fn) - r_queue->unplug_fn(r_queue); + blk_unplug(r_queue); rdev_dec_pending(rdev, mddev); rcu_read_lock(); |