1 files changed, 9 insertions, 2 deletions

diff --git a/include/linux/nfsd/nfsfh.h b/include/linux/nfsd/nfsfh.h
index 31a3cb617ce0..069257ea99a0 100644
--- a/include/linux/nfsd/nfsfh.h
+++ b/include/linux/nfsd/nfsfh.h
@@ -290,8 +290,9 @@ fill_post_wcc(struct svc_fh *fhp)
  * vfs.c:nfsd_rename as it needs to grab 2 i_mutex's at once
  * so, any changes here should be reflected there.
  */
+
 static inline void
-fh_lock(struct svc_fh *fhp)
+fh_lock_nested(struct svc_fh *fhp, unsigned int subclass)
 {
         struct dentry   *dentry = fhp->fh_dentry;
         struct inode    *inode;
@@ -310,11 +311,17 @@ fh_lock(struct svc_fh *fhp)
         }
 
         inode = dentry->d_inode;
-        mutex_lock(&inode->i_mutex);
+        mutex_lock_nested(&inode->i_mutex, subclass);
         fill_pre_wcc(fhp);
         fhp->fh_locked = 1;
 }
 
+static inline void
+fh_lock(struct svc_fh *fhp)
+{
+        fh_lock_nested(fhp, I_MUTEX_NORMAL);
+}
+
 /*
  * Unlock a file handle/inode
  */