[BLOCK] Don't allow empty barriers to be passed down to queues that don't grok them
authorJens Axboe <jens.axboe@oracle.com>
Fri, 2 Nov 2007 07:49:08 +0000 (08:49 +0100)
committerJens Axboe <jens.axboe@oracle.com>
Fri, 2 Nov 2007 07:49:08 +0000 (08:49 +0100)
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

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