FS_USERNS_MOUNT_RESTRICTED
if ((mnt->mnt.mnt_sb->s_type->fs_flags & FS_USERNS_MOUNT_RESTRICTED) &&
if (!(sb->s_type->fs_flags & FS_USERNS_MOUNT_RESTRICTED))
.fs_flags = FS_USERNS_MOUNT | FS_USERNS_MOUNT_RESTRICTED | FS_DISALLOW_NOTIFY_PERM,
.fs_flags = FS_USERNS_MOUNT | FS_USERNS_MOUNT_RESTRICTED,
if (file_inode(file)->i_sb->s_type->fs_flags & FS_USERNS_MOUNT_RESTRICTED)