NFS: Change rpc_ops->create() to take a dentry argument rather than a

     qstr.
Signed-off-by: Trond Myklebust <trond.myklebust@fys.uio.no>

fs/nfs/dir.c

@@ -986,15 +986,9 @@ static int nfs_create(struct inode *dir, struct dentry *dentry, int mode,
 	if (nd && (nd->flags & LOOKUP_CREATE))
 		open_flags = nd->intent.open.flags;
 
-	/*
-	 * The 0 argument passed into the create function should one day
-	 * contain the O_EXCL flag if requested. This allows NFSv3 to
-	 * select the appropriate create strategy. Currently open_namei
-	 * does not pass the create flags.
-	 */
 	lock_kernel();
 	nfs_begin_data_update(dir);
-	inode = NFS_PROTO(dir)->create(dir, &dentry->d_name, &attr, open_flags);
+	inode = NFS_PROTO(dir)->create(dir, dentry, &attr, open_flags);
 	nfs_end_data_update(dir);
 	if (!IS_ERR(inode)) {
 		d_instantiate(dentry, inode);

fs/nfs/nfs3proc.c

@@ -296,7 +296,7 @@ static int nfs3_proc_commit(struct nfs_write_data *cdata)
  * For now, we don't implement O_EXCL.
  */
 static struct inode *
-nfs3_proc_create(struct inode *dir, struct qstr *name, struct iattr *sattr,
+nfs3_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr,
 		 int flags)
 {
 	struct nfs_fh		fhandle;
@@ -304,8 +304,8 @@ nfs3_proc_create(struct inode *dir, struct qstr *name, struct iattr *sattr,
 	struct nfs_fattr	dir_attr;
 	struct nfs3_createargs	arg = {
 		.fh		= NFS_FH(dir),
-		.name		= name->name,
-		.len		= name->len,
+		.name		= dentry->d_name.name,
+		.len		= dentry->d_name.len,
 		.sattr		= sattr,
 	};
 	struct nfs3_diropres	res = {
@@ -315,7 +315,7 @@ nfs3_proc_create(struct inode *dir, struct qstr *name, struct iattr *sattr,
 	};
 	int			status;
 
-	dprintk("NFS call  create %s\n", name->name);
+	dprintk("NFS call  create %s\n", dentry->d_name.name);
 	arg.createmode = NFS3_CREATE_UNCHECKED;
 	if (flags & O_EXCL) {
 		arg.createmode  = NFS3_CREATE_EXCLUSIVE;
@@ -353,7 +353,7 @@ nfs3_proc_create(struct inode *dir, struct qstr *name, struct iattr *sattr,
 	if (status != 0)
 		goto out;
 	if (fhandle.size == 0 || !(fattr.valid & NFS_ATTR_FATTR)) {
-		status = nfs3_proc_lookup(dir, name, &fhandle, &fattr);
+		status = nfs3_proc_lookup(dir, &dentry->d_name, &fhandle, &fattr);
 		if (status != 0)
 			goto out;
 	}

fs/nfs/nfs4proc.c

@@ -1327,7 +1327,7 @@ static int nfs4_proc_commit(struct nfs_write_data *cdata)
  */
 
 static struct inode *
-nfs4_proc_create(struct inode *dir, struct qstr *name, struct iattr *sattr,
+nfs4_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr,
                  int flags)
 {
 	struct inode *inode;
@@ -1335,7 +1335,7 @@ nfs4_proc_create(struct inode *dir, struct qstr *name, struct iattr *sattr,
 	struct rpc_cred *cred;
 
 	cred = rpcauth_lookupcred(NFS_SERVER(dir)->client->cl_auth, 0);
-	state = nfs4_do_open(dir, name, flags, sattr, cred);
+	state = nfs4_do_open(dir, &dentry->d_name, flags, sattr, cred);
 	put_rpccred(cred);
 	if (!IS_ERR(state)) {
 		inode = state->inode;

fs/nfs/proc.c

@@ -213,15 +213,15 @@ static int nfs_proc_write(struct nfs_write_data *wdata)
 }
 
 static struct inode *
-nfs_proc_create(struct inode *dir, struct qstr *name, struct iattr *sattr,
+nfs_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr,
 		int flags)
 {
 	struct nfs_fh		fhandle;
 	struct nfs_fattr	fattr;
 	struct nfs_createargs	arg = {
 		.fh		= NFS_FH(dir),
-		.name		= name->name,
-		.len		= name->len,
+		.name		= dentry->d_name.name,
+		.len		= dentry->d_name.len,
 		.sattr		= sattr
 	};
 	struct nfs_diropok	res = {
@@ -231,7 +231,7 @@ nfs_proc_create(struct inode *dir, struct qstr *name, struct iattr *sattr,
 	int			status;
 
 	fattr.valid = 0;
-	dprintk("NFS call  create %s\n", name->name);
+	dprintk("NFS call  create %s\n", dentry->d_name.name);
 	status = rpc_call(NFS_CLIENT(dir), NFSPROC_CREATE, &arg, &res, 0);
 	dprintk("NFS reply create: %d\n", status);
 	if (status == 0) {

include/linux/nfs_xdr.h

@@ -681,7 +681,7 @@ struct nfs_rpc_ops {
 	int	(*read)    (struct nfs_read_data *);
 	int	(*write)   (struct nfs_write_data *);
 	int	(*commit)  (struct nfs_write_data *);
-	struct inode *	(*create)  (struct inode *, struct qstr *,
+	struct inode *	(*create)  (struct inode *, struct dentry *,
 			    struct iattr *, int);
 	int	(*remove)  (struct inode *, struct qstr *);
 	int	(*unlink_setup)  (struct rpc_message *,