[PATCH] VFS: propagate mnt_flags into do_loopback

[Jan Blunck <jblunck@suse.de>]

The mnt_flags are propagated into do_loopback(), so that they can be checked
when mounting something loopback into a union.

Signed-off-by: Jan Blunck <jblunck@suse.de>
Signed-off-by: Valerie Aurora (Henson) <vaurora@redhat.com>
---
 fs/namespace.c |    7 ++++---
 1 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/fs/namespace.c b/fs/namespace.c
index 134d494..bdff9e4 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -1475,8 +1475,8 @@ static int do_change_type(struct path *path, int flag)
 /*
  * do loopback mount.
  */
-static int do_loopback(struct path *path, char *old_name,
-				int recurse)
+static int do_loopback(struct path *path, char *old_name, int recurse,
+		       int mnt_flags)
 {
 	struct path old_path;
 	struct vfsmount *mnt = NULL;
@@ -1971,7 +1971,8 @@ long do_mount(char *dev_name, char *dir_name, char *type_page,
 		retval = do_remount(&path, flags & ~MS_REMOUNT, mnt_flags,
 				    data_page);
 	else if (flags & MS_BIND)
-		retval = do_loopback(&path, dev_name, flags & MS_REC);
+		retval = do_loopback(&path, dev_name, flags & MS_REC,
+				     mnt_flags);
 	else if (flags & (MS_SHARED | MS_PRIVATE | MS_SLAVE | MS_UNBINDABLE))
 		retval = do_change_type(&path, flags);
 	else if (flags & MS_MOVE)
-- 
1.6.0.2