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Revert "block: add callback function for unplug notification"

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MD can't use this since it really requires us to be able to
keep more than a single piece of state for the unplug. Commit
048c9374 added the required support for MD, so get rid of this
now unused code.

This reverts commit f75664570d.

Conflicts:

	block/blk-core.c

Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
This commit is contained in:
Jens Axboe
2011-04-18 09:54:05 +02:00
parent 048c9374a7
commit b4cb290e0a
3 changed files with 0 additions and 22 deletions
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block/blk-core.c
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@@ -2674,9 +2674,6 @@ static void queue_unplugged(struct request_queue *q, unsigned int depth,
{
trace_block_unplug(q, depth, !from_schedule);
__blk_run_queue(q, from_schedule);
if (q->unplugged_fn)
q->unplugged_fn(q);
}
static void flush_plug_callbacks(struct blk_plug *plug)