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authorJeff Layton <jlayton@redhat.com>2014-03-17 07:06:56 -0400
committerTrond Myklebust <trond.myklebust@primarydata.com>2014-03-17 15:14:17 -0400
commit80a491fd40770db143d250772778ff4f89b807ef (patch)
tree1086dc1865bab7fb3934d587742976e647b25895 /fs/nfs
parent0e862a405185b28e775eeeae6b04bfa39724b1ad (diff)
downloadlinux-80a491fd40770db143d250772778ff4f89b807ef.tar.gz
nfs: convert nfs_rename to use async_rename infrastructure
There isn't much sense in maintaining two separate versions of rename
code. Convert nfs_rename to use the asynchronous rename infrastructure
that nfs_sillyrename uses, and emulate synchronous behavior by having
the task just wait on the reply.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Tested-by: Anna Schumaker <Anna.Schumaker@netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'fs/nfs')
-rw-r--r--fs/nfs/dir.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index c8e48c26418b..b31f5d2400bd 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -1940,6 +1940,7 @@ int nfs_rename(struct inode *old_dir, struct dentry *old_dentry,
 	struct inode *old_inode = old_dentry->d_inode;
 	struct inode *new_inode = new_dentry->d_inode;
 	struct dentry *dentry = NULL, *rehash = NULL;
+	struct rpc_task *task;
 	int error = -EBUSY;
 
 	dfprintk(VFS, "NFS: rename(%pd2 -> %pd2, ct=%d)\n",
@@ -1987,8 +1988,16 @@ int nfs_rename(struct inode *old_dir, struct dentry *old_dentry,
 	if (new_inode != NULL)
 		NFS_PROTO(new_inode)->return_delegation(new_inode);
 
-	error = NFS_PROTO(old_dir)->rename(old_dir, &old_dentry->d_name,
-					   new_dir, &new_dentry->d_name);
+	task = nfs_async_rename(old_dir, new_dir, old_dentry, new_dentry, NULL);
+	if (IS_ERR(task)) {
+		error = PTR_ERR(task);
+		goto out;
+	}
+
+	error = rpc_wait_for_completion_task(task);
+	if (error == 0)
+		error = task->tk_status;
+	rpc_put_task(task);
 	nfs_mark_for_revalidate(old_inode);
 out:
 	if (rehash)