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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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3
drivers/md/dm-table.c
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@@ -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);
}
}