| /* |
| * 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) 2001, 2010, Oracle and/or its affiliates. All rights reserved. |
| * Use is subject to license terms. |
| * |
| * Copyright (c) 2011, Intel Corporation. |
| */ |
| /* |
| * This file is part of Lustre, http://www.lustre.org/ |
| * Lustre is a trademark of Sun Microsystems, Inc. |
| * |
| * lustre/include/linux/lustre_lib.h |
| * |
| * Basic Lustre library routines. |
| */ |
| |
| #ifndef _LINUX_LUSTRE_LIB_H |
| #define _LINUX_LUSTRE_LIB_H |
| |
| #ifndef _LUSTRE_LIB_H |
| #error Do not #include this file directly. #include <lustre_lib.h> instead |
| #endif |
| |
| # include <linux/rwsem.h> |
| # include <linux/sched.h> |
| # include <linux/signal.h> |
| # include <linux/types.h> |
| # include <linux/lustre_compat25.h> |
| # include <linux/lustre_common.h> |
| |
| #ifndef LP_POISON |
| # define LI_POISON 0x5a5a5a5a |
| #if BITS_PER_LONG > 32 |
| # define LL_POISON 0x5a5a5a5a5a5a5a5aL |
| #else |
| # define LL_POISON 0x5a5a5a5aL |
| #endif |
| # define LP_POISON ((void *)LL_POISON) |
| #endif |
| |
| /* This macro is only for compatibility reasons with older Linux Lustre user |
| * tools. New ioctls should NOT use this macro as the ioctl "size". Instead |
| * the ioctl should get a "size" argument which is the actual data type used |
| * by the ioctl, to ensure the ioctl interface is versioned correctly. */ |
| #define OBD_IOC_DATA_TYPE long |
| |
| #define LUSTRE_FATAL_SIGS (sigmask(SIGKILL) | sigmask(SIGINT) | \ |
| sigmask(SIGTERM) | sigmask(SIGQUIT) | \ |
| sigmask(SIGALRM)) |
| |
| /* initialize ost_lvb according to inode */ |
| static inline void inode_init_lvb(struct inode *inode, struct ost_lvb *lvb) |
| { |
| lvb->lvb_size = i_size_read(inode); |
| lvb->lvb_blocks = inode->i_blocks; |
| lvb->lvb_mtime = LTIME_S(inode->i_mtime); |
| lvb->lvb_atime = LTIME_S(inode->i_atime); |
| lvb->lvb_ctime = LTIME_S(inode->i_ctime); |
| } |
| |
| #endif /* _LUSTRE_LIB_H */ |