| /* |
| * GPL HEADER START |
| * |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 only, |
| * as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, but |
| * WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * General Public License version 2 for more details (a copy is included |
| * in the LICENSE file that accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License |
| * version 2 along with this program; If not, see |
| * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf |
| * |
| * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| * CA 95054 USA or visit www.sun.com if you need additional information or |
| * have any questions. |
| * |
| * GPL HEADER END |
| */ |
| /* |
| * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved. |
| * Use is subject to license terms. |
| */ |
| /* |
| * This file is part of Lustre, http://www.lustre.org/ |
| * Lustre is a trademark of Sun Microsystems, Inc. |
| */ |
| |
| #ifndef __LINUX_MDT_H |
| #define __LINUX_MDT_H |
| |
| /** \defgroup mdt mdt |
| * |
| * @{ |
| */ |
| |
| #include <lustre/lustre_idl.h> |
| #include <lustre_req_layout.h> |
| #include <md_object.h> |
| #include <dt_object.h> |
| #include <linux/libcfs/libcfs.h> |
| |
| /* |
| * Common thread info for mdt, seq and fld |
| */ |
| struct com_thread_info { |
| /* |
| * for req-layout interface. |
| */ |
| struct req_capsule *cti_pill; |
| }; |
| |
| enum { |
| ESERIOUS = 0x0001000 |
| }; |
| |
| static inline int err_serious(int rc) |
| { |
| LASSERT(rc < 0); |
| LASSERT(-rc < ESERIOUS); |
| return -(-rc | ESERIOUS); |
| } |
| |
| static inline int clear_serious(int rc) |
| { |
| if (rc < 0) |
| rc = -(-rc & ~ESERIOUS); |
| return rc; |
| } |
| |
| static inline int is_serious(int rc) |
| { |
| return (rc < 0 && -rc & ESERIOUS); |
| } |
| |
| /** @} mdt */ |
| |
| #endif |