CIFS: Add SMB2 support for rmdir

Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org>
Signed-off-by: Steve French <smfrench@gmail.com>

fs/cifs/smb2inode.c

@@ -152,3 +152,12 @@ smb2_mkdir_setinfo(struct inode *inode, const char *name,
 	if (tmprc == 0)
 		cifs_i->cifsAttrs = dosattrs;
 }
+
+int
+smb2_rmdir(const unsigned int xid, struct cifs_tcon *tcon, const char *name,
+	   struct cifs_sb_info *cifs_sb)
+{
+	return smb2_open_op_close(xid, tcon, cifs_sb, name, DELETE, FILE_OPEN,
+				  0, CREATE_NOT_FILE | CREATE_DELETE_ON_CLOSE,
+				  NULL, SMB2_OP_DELETE);
+}

fs/cifs/smb2ops.c

@@ -320,6 +320,7 @@ struct smb_version_operations smb21_operations = {
 	.build_path_to_root = smb2_build_path_to_root,
 	.mkdir = smb2_mkdir,
 	.mkdir_setinfo = smb2_mkdir_setinfo,
+	.rmdir = smb2_rmdir,
 };
 
 struct smb_version_values smb21_values = {

fs/cifs/smb2proto.h

@@ -57,6 +57,8 @@ extern int smb2_mkdir(const unsigned int xid, struct cifs_tcon *tcon,
 extern void smb2_mkdir_setinfo(struct inode *inode, const char *full_path,
 			       struct cifs_sb_info *cifs_sb,
 			       struct cifs_tcon *tcon, const unsigned int xid);
+extern int smb2_rmdir(const unsigned int xid, struct cifs_tcon *tcon,
+		      const char *name, struct cifs_sb_info *cifs_sb);
 
 /*
  * SMB2 Worker functions - most of protocol specific implementation details