tree 24e3dbe55edaacc750067ab9e01778255a6bff08
parent 20ddee2c75339cc095f6191c3115f81da8955e96
author Dave Hansen <haveblue@us.ibm.com> 1203115066 -0800
committer Al Viro <viro@zeniv.linux.org.uk> 1208579364 -0400

[PATCH] r/o bind mounts: elevate write count for ioctls()

Some ioctl()s can cause writes to the filesystem.  Take these, and make them
use mnt_want/drop_write() instead.

[AV: updated]

Acked-by: Al Viro <viro@ZenIV.linux.org.uk>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dave Hansen <haveblue@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>