From 54cea3f6681ad9360814e2926d1f723bbd0f74ed Mon Sep 17 00:00:00 2001
From: Milan Broz <mbroz@redhat.com>
Date: Fri, 15 May 2015 17:00:25 +0200
Subject: [PATCH] dm crypt: add comments to better describe crypto processing
 logic

A crypto driver can process requests synchronously or asynchronously
and can use an internal driver queue to backlog requests.
Add some comments to clarify internal logic and completion return codes.

Signed-off-by: Milan Broz <mbroz@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
---
Reading git-format-patch failed