From: Jose Alonso <joalonsof@gmail.com>
Date: Tue, 28 Jan 2014 15:09:46 +0000 (-0700)
Subject: blk-mq: for_each_* macro correctness
X-Git-Tag: v3.14-rc1~43^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0d0b7d427987f6e98b6f32e84ee071f36f85c3d4;p=pandora-kernel.git

blk-mq: for_each_* macro correctness

I observed that there are for_each macros that do an extra memory access
beyond the defined area.
Normally this does not cause problems.
But, this can cause exceptions. For example: if the area is allocated at
the end of a page and the next page is not accessible.

For correctness, I suggest changing the arguments of the 'for loop' like
others 'for_each' do in the kernel.

Signed-off-by: Jose Alonso <joalonsof@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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