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block/loop: queue ordered mode should be DRAIN_FLUSH 

loop implements FLUSH using fsync but was incorrectly setting its
ordered mode to DRAIN.  Change it to DRAIN_FLUSH.  In practice, this
doesn't change anything as loop doesn't make use of the block layer
ordered implementation.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
This commit is contained in:
Tejun Heo 2010-09-03 11:56:16 +02:00 committed by Jens Axboe
parent 0da2f50944
commit 589d7ed02a
1 changed files with 1 additions and 1 deletions
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drivers/block/loop.c
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@ -832,7 +832,7 @@ static int loop_set_fd(struct loop_device *lo, fmode_t mode,
lo->lo_queue->unplug_fn = loop_unplug;
if (!(lo_flags & LO_FLAGS_READ_ONLY) && file->f_op->fsync)
blk_queue_ordered(lo->lo_queue, QUEUE_ORDERED_DRAIN);
blk_queue_ordered(lo->lo_queue, QUEUE_ORDERED_DRAIN_FLUSH);
set_capacity(lo->lo_disk, size);
bd_set_size(bdev, size << 9);