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Add UNPLUG traces to all appropriate places

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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>
This commit is contained in:
Alan D. Brunelle
2007-11-07 14:26:56 -05:00
committed by Jens Axboe
parent d85532ed28
commit 2ad8b1ef11
11 changed files with 26 additions and 27 deletions
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drivers/md/raid5.c
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@@ -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();