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Diffstat (limited to 'fs/xfs/xfs_iops.c')
-rw-r--r--fs/xfs/xfs_iops.c22
1 files changed, 9 insertions, 13 deletions
diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c
index 3b4be06fdaa5..1fce707406c6 100644
--- a/fs/xfs/xfs_iops.c
+++ b/fs/xfs/xfs_iops.c
@@ -1,19 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2000-2005 Silicon Graphics, Inc.
* All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it would be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "xfs.h"
#include "xfs_fs.h"
@@ -1274,6 +1262,14 @@ xfs_setup_inode(
xfs_diflags_to_iflags(inode, ip);
if (S_ISDIR(inode->i_mode)) {
+ /*
+ * We set the i_rwsem class here to avoid potential races with
+ * lockdep_annotate_inode_mutex_key() reinitialising the lock
+ * after a filehandle lookup has already found the inode in
+ * cache before it has been unlocked via unlock_new_inode().
+ */
+ lockdep_set_class(&inode->i_rwsem,
+ &inode->i_sb->s_type->i_mutex_dir_key);
lockdep_set_class(&ip->i_lock.mr_lock, &xfs_dir_ilock_class);
ip->d_ops = ip->i_mount->m_dir_inode_ops;
} else {