NFS: Ensure that nfs_link() instantiates the dentry correctly

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

1 files changed, 4 insertions, 7 deletions

diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index ce8f77dadff9..8272ed3fc707 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -1432,17 +1432,14 @@ nfs_link(struct dentry *old_dentry, struct inode *dir, struct dentry *dentry)
                 old_dentry->d_parent->d_name.name, old_dentry->d_name.name,
                 dentry->d_parent->d_name.name, dentry->d_name.name);
 
-        /*
-         * Drop the dentry in advance to force a new lookup.
-         * Since nfs_proc_link doesn't return a file handle,
-         * we can't use the existing dentry.
-         */
         lock_kernel();
-        d_drop(dentry);
-
         nfs_begin_data_update(dir);
         nfs_begin_data_update(inode);
         error = NFS_PROTO(dir)->link(inode, dir, &dentry->d_name);
+        if (error == 0) {
+                atomic_inc(&inode->i_count);
+                d_instantiate(dentry, inode);
+        }
         nfs_end_data_update(inode);
         nfs_end_data_update(dir);
         unlock_kernel();