tree b0d01c2ed7d754f2a6daef6c77d108a81d8a470e
parent bf2de6f5a4faf0197268f18d08969b003b87b6e8
author Jens Axboe <jens.axboe@oracle.com> 1192525502 +0200
committer Jens Axboe <jens.axboe@oracle.com> 1192525502 +0200

block: convert blkdev_issue_flush() to use empty barriers

Then we can get rid of ->issue_flush_fn() and all the driver private
implementations of that.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>