tree 57287366150093260f18bdbe81596492e3e40aa1
parent 9ac9b8474c39c3ae2c2b37d8e1f08db8a9146124
author Dave Hansen <haveblue@us.ibm.com> 1203115075 -0800
committer Al Viro <viro@zeniv.linux.org.uk> 1208579366 -0400

[PATCH] r/o bind mounts: make access() use new r/o helper

It is OK to let access() go without using a mnt_want/drop_write() pair because
it doesn't actually do writes to the filesystem, and it is inherently racy
anyway.  This is a rare case when it is OK to use __mnt_is_readonly()
directly.

Acked-by: Al Viro <viro@ZenIV.linux.org.uk>
Signed-off-by: Christoph Hellwig <hch@infradead.org>
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>