reiserfs: fix up lockdep warnings
Add I_MUTEX_XATTR annotations to the inode locking in the reiserfs xattr code.
Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/reiserfs/xattr.c b/fs/reiserfs/xattr.c
index fab4b9b..1597f6b 100644
--- a/fs/reiserfs/xattr.c
+++ b/fs/reiserfs/xattr.c
@@ -484,7 +484,7 @@
/* Resize it so we're ok to write there */
newattrs.ia_size = buffer_size;
newattrs.ia_valid = ATTR_SIZE | ATTR_CTIME;
- mutex_lock(&xinode->i_mutex);
+ mutex_lock_nested(&xinode->i_mutex, I_MUTEX_XATTR);
err = notify_change(fp->f_path.dentry, &newattrs);
if (err)
goto out_filp;
@@ -1223,7 +1223,8 @@
if (!IS_ERR(dentry)) {
if (!(mount_flags & MS_RDONLY) && !dentry->d_inode) {
struct inode *inode = dentry->d_parent->d_inode;
- mutex_lock(&inode->i_mutex);
+ mutex_lock_nested(&inode->i_mutex,
+ I_MUTEX_XATTR);
err = inode->i_op->mkdir(inode, dentry, 0700);
mutex_unlock(&inode->i_mutex);
if (err) {