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authorAlan D. Brunelle <Alan.Brunelle@hp.com>2007-11-07 14:26:56 -0500
committerJens Axboe <jens.axboe@oracle.com>2007-11-09 13:41:32 +0100
commit2ad8b1ef11c98c5603580878aebf9f1bc74129e4 (patch)
treef7bdc2484513f6ffd174b1385bb216dcf97d2c78 /drivers
parentd85532ed284e63b5c56eaf2418f262822af60be4 (diff)
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')
-rw-r--r--drivers/md/bitmap.c3
-rw-r--r--drivers/md/dm-table.c3
-rw-r--r--drivers/md/linear.c3
-rw-r--r--drivers/md/md.c4
-rw-r--r--drivers/md/multipath.c3
-rw-r--r--drivers/md/raid0.c3
-rw-r--r--drivers/md/raid1.c3
-rw-r--r--drivers/md/raid10.c3
-rw-r--r--drivers/md/raid5.c3
9 files changed, 10 insertions, 18 deletions
diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
index 7c426d07a55..1b1ef3130e6 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 5a7eb650181..e298d8d11f2 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 56a11f6c127..3dac1cfb818 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 808cd954945..cef9ebd5a04 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 b35731cceac..eb631ebed68 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 c111105fc2d..f8e591708d1 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 85478d6a9c1..4a69c416e04 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 fc6607acb6e..5cdcc938620 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 82af3465a90..1cfc984cc7b 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();