From: Jan Kara <jack@suse.cz>
Date: Tue, 4 Nov 2014 11:52:41 +0000 (+0100)
Subject: block: Expand a bit documentation about elevator_allow_merge_fn
X-Git-Tag: omap-for-v3.19/fixes-rc1~95^2~22
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b8ab956c544e51a8d19ea3f38b54355d6aa92c33;p=pandora-kernel.git

block: Expand a bit documentation about elevator_allow_merge_fn

Explain that two requests can be merged without
elevator_allow_merge_fn() being called.

Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jens Axboe <axboe@fb.com>
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