tree 98cb2d607852e0f69c6b9cddaec479429460c732
parent e167dfb53cb85fde7b15f644e9dbef7ba31896b6
author Jan Kara <jack@suse.cz> 1415101961 +0100
committer Jens Axboe <axboe@fb.com> 1415114895 -0700

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>