vfs: introduce clone_private_mount()

Overlayfs needs a private clone of the mount, so create a function for
this and export to modules.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
This commit is contained in:
Miklos Szeredi
2014-10-24 00:14:36 +02:00
parent bd5d08569c
commit c771d683a6
2 changed files with 30 additions and 0 deletions

View File

@@ -81,6 +81,9 @@ extern struct vfsmount *mntget(struct vfsmount *mnt);
extern struct vfsmount *mnt_clone_internal(struct path *path);
extern int __mnt_is_readonly(struct vfsmount *mnt);
struct path;
extern struct vfsmount *clone_private_mount(struct path *path);
struct file_system_type;
extern struct vfsmount *vfs_kern_mount(struct file_system_type *type,
int flags, const char *name,