diff options
Diffstat (limited to 'fs/overlayfs/util.c')
| -rw-r--r-- | fs/overlayfs/util.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/fs/overlayfs/util.c b/fs/overlayfs/util.c index 4035e640f402..f5678a3f8350 100644 --- a/fs/overlayfs/util.c +++ b/fs/overlayfs/util.c @@ -1,10 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2011 Novell Inc. * Copyright (C) 2016 Red Hat, Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. */ #include <linux/fs.h> @@ -652,6 +649,18 @@ void ovl_inuse_unlock(struct dentry *dentry) } } +bool ovl_is_inuse(struct dentry *dentry) +{ + struct inode *inode = d_inode(dentry); + bool inuse; + + spin_lock(&inode->i_lock); + inuse = (inode->i_state & I_OVL_INUSE); + spin_unlock(&inode->i_lock); + + return inuse; +} + /* * Does this overlay dentry need to be indexed on copy up? */ |