[PATCH] VFS: fix statfs() automounter semantics regression

[Dan McGee <dpmcgee@gmail.com>]

No one in their right mind would expect statfs() to not work on a
automounter managed mount point. Fix it.

This mirrors the fix made to the quota code in 815d405ceff0d69646.

Signed-off-by: Dan McGee <dpmcgee@gmail.com>
---
 fs/statfs.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/fs/statfs.c b/fs/statfs.c
index 8244924..9cf04a1 100644
--- a/fs/statfs.c
+++ b/fs/statfs.c
@@ -76,7 +76,7 @@ EXPORT_SYMBOL(vfs_statfs);
 int user_statfs(const char __user *pathname, struct kstatfs *st)
 {
 	struct path path;
-	int error = user_path(pathname, &path);
+	int error = user_path_at(AT_FDCWD, pathname, LOOKUP_FOLLOW|LOOKUP_AUTOMOUNT, &path);
 	if (!error) {
 		error = vfs_statfs(&path, st);
 		path_put(&path);
-- 
1.7.7.1