1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
6 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 only,
10 * as published by the Free Software Foundation.
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License version 2 for more details (a copy is included
16 * in the LICENSE file that accompanied this code).
18 * You should have received a copy of the GNU General Public License
19 * version 2 along with this program; If not, see [sun.com URL with a
22 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
23 * CA 95054 USA or visit www.sun.com if you need additional information or
29 * Copyright 2008 Sun Microsystems, Inc. All rights reserved
30 * Use is subject to license terms.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
36 * lustre/include/linux/lustre_lib.h
38 * Basic Lustre library routines.
41 #ifndef _LINUX_LUSTRE_LIB_H
42 #define _LINUX_LUSTRE_LIB_H
45 #error Do not #include this file directly. #include <lustre_lib.h> instead
50 # include <sys/types.h>
52 # include <asm/semaphore.h>
53 # include <linux/rwsem.h>
54 # include <linux/sched.h>
55 # include <linux/signal.h>
56 # include <linux/types.h>
58 #include <linux/lustre_compat25.h>
61 #if BITS_PER_LONG > 32
62 # define LI_POISON ((int)0x5a5a5a5a5a5a5a5a)
63 # define LL_POISON ((long)0x5a5a5a5a5a5a5a5a)
64 # define LP_POISON ((void *)(long)0x5a5a5a5a5a5a5a5a)
66 # define LI_POISON ((int)0x5a5a5a5a)
67 # define LL_POISON ((long)0x5a5a5a5a)
68 # define LP_POISON ((void *)(long)0x5a5a5a5a)
72 #define OBD_IOC_DATA_TYPE long
74 #define LUSTRE_FATAL_SIGS (sigmask(SIGKILL) | sigmask(SIGINT) | \
75 sigmask(SIGTERM) | sigmask(SIGQUIT) | \
79 static inline sigset_t l_w_e_set_sigs(int sigs)
82 unsigned long irqflags;
84 SIGNAL_MASK_LOCK(current, irqflags);
85 old = current->blocked;
86 siginitsetinv(¤t->blocked, sigs);
88 SIGNAL_MASK_UNLOCK(current, irqflags);
95 /* initialize ost_lvb according to inode */
96 static inline void inode_init_lvb(struct inode *inode, struct ost_lvb *lvb)
98 lvb->lvb_size = i_size_read(inode);
99 lvb->lvb_blocks = inode->i_blocks;
100 lvb->lvb_mtime = LTIME_S(inode->i_mtime);
101 lvb->lvb_atime = LTIME_S(inode->i_atime);
102 lvb->lvb_ctime = LTIME_S(inode->i_ctime);
105 /* defined in liblustre/llite_lib.h */
108 #endif /* _LUSTRE_LIB_H */