NFS: nfs_rename() should not have to flush out writebacks

We don't really support nfs servers that invalidate the file handle after a
rename, so precautions such as flushing out dirty data before renaming the
file are superfluous.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

1 files changed, 0 insertions, 9 deletions

diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index 782b431ef91c..067a051397ba 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -1652,16 +1652,7 @@ static int nfs_rename(struct inode *old_dir, struct dentry *old_dentry,
                 }
         }
 
-        /*
-         * ... prune child dentries and writebacks if needed.
-         */
-        if (atomic_read(&old_dentry->d_count) > 1) {
-                if (S_ISREG(old_inode->i_mode))
-                        nfs_wb_all(old_inode);
-                shrink_dcache_parent(old_dentry);
-        }
         nfs_inode_return_delegation(old_inode);
-
         if (new_inode != NULL)
                 nfs_inode_return_delegation(new_inode);