From 402ab352c2c00ba8f90c724565f8cf31210d99cf Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@relay.de.ibm.com>
Date: Thu, 12 Aug 2010 04:13:57 +0100
Subject: [PATCH] dm ioctl: use nonseekable_open

The dm control device does not implement read/write, so it has no use for
seeking.  Using no_llseek prevents falling back to default_llseek, which
requires the BKL.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
---
Reading git-format-patch failed