vfs: take mnt_master to struct mount
make IS_MNT_SLAVE take struct mount * at the same time
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/mount.h b/fs/mount.h
index e4ecf59..7071d8f 100644
--- a/fs/mount.h
+++ b/fs/mount.h
@@ -19,6 +19,8 @@
#endif
struct list_head mnt_mounts; /* list of children, anchored here */
struct list_head mnt_child; /* and going through their mnt_child */
+ /* yet to be moved - up to mnt_slave */
+ struct vfsmount *mnt_master; /* slave is on master->mnt_slave_list */
};
static inline struct mount *real_mount(struct vfsmount *mnt)