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xen/blkfront: Use QUEUE_ORDERED_DRAIN for old backends
authorJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Wed, 28 Jul 2010 17:49:29 +0000 (10:49 -0700)
committerJens Axboe <jaxboe@fusionio.com>
Sat, 7 Aug 2010 16:52:53 +0000 (18:52 +0200)
If there's no feature-barrier key in xenstore, then it means its a fairly
old backend which does uncached in-order writes, which means ORDERED_DRAIN
is appropriate.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
drivers/block/xen-blkfront.c patch | blob | history

diff --cc drivers/block/xen-blkfront.c
Simple merge
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