From: Nick Piggin <npiggin@suse.de>
Date: Tue, 29 Apr 2008 12:48:33 +0000 (+0200)
Subject: block: make queue flags non-atomic
X-Git-Tag: v2.6.26-rc1~372^2~10
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=75ad23bc0fcb4f992a5d06982bf0857ab1738e9e;p=pandora-kernel.git

block: make queue flags non-atomic

We can save some atomic ops in the IO path, if we clearly define
the rules of how to modify the queue flags.

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