From: Christoph Hellwig <hch@infradead.org>
Date: Wed, 18 Aug 2010 09:29:18 +0000 (-0400)
Subject: ext4: do not send discards as barriers
X-Git-Tag: v2.6.37-rc1~166^2~10
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=61002f7db33c7d064cddcdab680fb750fa43d8fd;p=pandora-kernel.git

ext4: do not send discards as barriers

ext4 already uses synchronous discards, no need to add I/O barriers.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
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