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Add WRITE_SYNC_PLUG and SWRITE_SYNC_PLUG
authorJens Axboe <jens.axboe@oracle.com>
Mon, 6 Apr 2009 12:48:02 +0000 (14:48 +0200)
committerLinus Torvalds <torvalds@linux-foundation.org>
Mon, 6 Apr 2009 15:04:53 +0000 (08:04 -0700)
(S)WRITE_SYNC always unplugs the device right after IO submission.
Sometimes we want to build up a queue before doing so, so add
variants that explicitly DON'T unplug the queue. The caller must
then do that after submitting all the IO.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

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