From: Tejun Heo <tj@kernel.org>
Date: Fri, 3 Sep 2010 09:56:17 +0000 (+0200)
Subject: block: filter flush bio's in __generic_make_request()
X-Git-Tag: v2.6.37-rc1~166^2~36
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1e87901e189c8f01750d67485009fe3827c691bf;p=pandora-kernel.git

block: filter flush bio's in __generic_make_request()

There are a number of make_request based drivers which don't support
cache flushes.  Filter out flush bio's in __generic_make_request() so
that they don't have to worry about them.  All FLUSH/FUA requests with
data are converted to regular IO requests and empty ones are completed
immediately.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
---

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