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-rw-r--r--fs/namespace.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/fs/namespace.c b/fs/namespace.c
index bf478addb852..2c5f1f80bdc2 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -899,11 +899,13 @@ static int do_change_type(struct nameidata *nd, int flag)
899/* 899/*
900 * do loopback mount. 900 * do loopback mount.
901 */ 901 */
902static int do_loopback(struct nameidata *nd, char *old_name, int recurse) 902static int do_loopback(struct nameidata *nd, char *old_name, unsigned long flags, int mnt_flags)
903{ 903{
904 struct nameidata old_nd; 904 struct nameidata old_nd;
905 struct vfsmount *mnt = NULL; 905 struct vfsmount *mnt = NULL;
906 int recurse = flags & MS_REC;
906 int err = mount_is_safe(nd); 907 int err = mount_is_safe(nd);
908
907 if (err) 909 if (err)
908 return err; 910 return err;
909 if (!old_name || !*old_name) 911 if (!old_name || !*old_name)
@@ -937,6 +939,7 @@ static int do_loopback(struct nameidata *nd, char *old_name, int recurse)
937 spin_unlock(&vfsmount_lock); 939 spin_unlock(&vfsmount_lock);
938 release_mounts(&umount_list); 940 release_mounts(&umount_list);
939 } 941 }
942 mnt->mnt_flags = mnt_flags;
940 943
941out: 944out:
942 up_write(&namespace_sem); 945 up_write(&namespace_sem);
@@ -1350,7 +1353,7 @@ long do_mount(char *dev_name, char *dir_name, char *type_page,
1350 retval = do_remount(&nd, flags & ~MS_REMOUNT, mnt_flags, 1353 retval = do_remount(&nd, flags & ~MS_REMOUNT, mnt_flags,
1351 data_page); 1354 data_page);
1352 else if (flags & MS_BIND) 1355 else if (flags & MS_BIND)
1353 retval = do_loopback(&nd, dev_name, flags & MS_REC); 1356 retval = do_loopback(&nd, dev_name, flags, mnt_flags);
1354 else if (flags & (MS_SHARED | MS_PRIVATE | MS_SLAVE | MS_UNBINDABLE)) 1357 else if (flags & (MS_SHARED | MS_PRIVATE | MS_SLAVE | MS_UNBINDABLE))
1355 retval = do_change_type(&nd, flags); 1358 retval = do_change_type(&nd, flags);
1356 else if (flags & MS_MOVE) 1359 else if (flags & MS_MOVE)