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-rw-r--r--fs/reiserfs/xattr.c2
-rw-r--r--include/linux/fs.h3
2 files changed, 3 insertions, 2 deletions
diff --git a/fs/reiserfs/xattr.c b/fs/reiserfs/xattr.c
index 39fedaa88a0c..d935fb9394e3 100644
--- a/fs/reiserfs/xattr.c
+++ b/fs/reiserfs/xattr.c
@@ -424,7 +424,7 @@ int xattr_readdir(struct file *file, filldir_t filler, void *buf)
int res = -ENOTDIR;
if (!file->f_op || !file->f_op->readdir)
goto out;
- mutex_lock(&inode->i_mutex);
+ mutex_lock_nested(&inode->i_mutex, I_MUTEX_XATTR);
// down(&inode->i_zombie);
res = -ENOENT;
if (!IS_DEADDIR(inode)) {
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 25610205c90d..555bc195c420 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -570,13 +570,14 @@ struct inode {
* 3: quota file
*
* The locking order between these classes is
- * parent -> child -> normal -> quota
+ * parent -> child -> normal -> xattr -> quota
*/
enum inode_i_mutex_lock_class
{
I_MUTEX_NORMAL,
I_MUTEX_PARENT,
I_MUTEX_CHILD,
+ I_MUTEX_XATTR,
I_MUTEX_QUOTA
};