brd: support barriers

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brd is always ordered (not that it matters, as it is defined not to
survive when the system goes down). So tell the block layer it is
ordered, which might be of help with testing filesystems.

Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

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Nick Piggin 2009-04-15 10:27:07 +02:00 • committed by Jens Axboe

parent 297dbf50d7

commit dfbc4752ea

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drivers/block/brd.c

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