From b8ab956c544e51a8d19ea3f38b54355d6aa92c33 Mon Sep 17 00:00:00 2001
From: Jan Kara <jack@suse.cz>
Date: Tue, 4 Nov 2014 12:52:41 +0100
Subject: [PATCH] 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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Reading git-format-patch failed