block: silently error an unsupported barrier bio
authorJens Axboe <jens.axboe@oracle.com>
Tue, 13 Jan 2009 14:28:32 +0000 (15:28 +0100)
committerJens Axboe <jens.axboe@oracle.com>
Fri, 30 Jan 2009 11:34:37 +0000 (12:34 +0100)
This fixes a "regression" from 2.6.28, where the barrier probes that file
systems may do would trigger additional end request warnings in dmesg.

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

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