tree d24566917708f1624a7af33bc049aa5dfb24e96c
parent 3f77316de0ec0fd208467fbee8d9edc70e2c73b2
author Arnd Bergmann <arnd@relay.de.ibm.com> 1281582837 +0100
committer Alasdair G Kergon <agk@redhat.com> 1281582837 +0100

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>