Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2

* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2:
  o2dlm: force free mles during dlm exit
  ocfs2: Sync inode flags with ext2.
  ocfs2: Move 'wanted' into parens of ocfs2_resmap_resv_bits.
  ocfs2: Use cpu_to_le16 for e_leaf_clusters in ocfs2_bg_discontig_add_extent.
  ocfs2: update ctime when changing the file's permission by setfacl
  ocfs2/net: fix uninitialized ret in o2net_send_message_vec()
  Ocfs2: Handle empty list in lockres_seq_start() for dlmdebug.c
  Ocfs2: Re-access the journal after ocfs2_insert_extent() in dxdir codes.
  ocfs2: Fix lockdep warning in reflink.
  ocfs2/lockdep: Move ip_xattr_sem out of ocfs2_xattr_get_nolock.

1 files changed, 3 insertions, 2 deletions

diff --git a/fs/ocfs2/refcounttree.c b/fs/ocfs2/refcounttree.c
index 0afeda83120f..efdd75607406 100644
--- a/fs/ocfs2/refcounttree.c
+++ b/fs/ocfs2/refcounttree.c
@@ -4201,8 +4201,9 @@ static int __ocfs2_reflink(struct dentry *old_dentry,
                 goto out;
         }
 
-        mutex_lock(&new_inode->i_mutex);
-        ret = ocfs2_inode_lock(new_inode, &new_bh, 1);
+        mutex_lock_nested(&new_inode->i_mutex, I_MUTEX_CHILD);
+        ret = ocfs2_inode_lock_nested(new_inode, &new_bh, 1,
+                                      OI_LS_REFLINK_TARGET);
         if (ret) {
                 mlog_errno(ret);
                 goto out_unlock;