virtio_blk: drop REQ_HARDBARRIER support
authorTejun Heo <tj@kernel.org>
Fri, 3 Sep 2010 09:56:18 +0000 (11:56 +0200)
committerJens Axboe <jaxboe@fusionio.com>
Fri, 10 Sep 2010 10:35:37 +0000 (12:35 +0200)
commit02c42b7a68695c2c3e3fecf9f6b9a4ea43abe52f
treee3b49ba3b87e41794298b9a4a2822b21a152aefc
parent6259f28459a9de820f47a9ece4ffa22d4596a9af
virtio_blk: drop REQ_HARDBARRIER support

Remove now unused REQ_HARDBARRIER support.  virtio_blk already
supports REQ_FLUSH and the usefulness of REQ_FUA for virtio_blk is
questionable at this point, so there's nothing else to do to support
new REQ_FLUSH/FUA interface.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
drivers/block/virtio_blk.c