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b=19427 correct lmm_object_id and reserve fids for fid-on-OST.
[fs/lustre-release.git] / lustre / include / linux / lustre_lite.h
1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2  * vim:expandtab:shiftwidth=8:tabstop=8:
3  *
4  * GPL HEADER START
5  *
6  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
7  *
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.
11  *
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).
17  *
18  * You should have received a copy of the GNU General Public License
19  * version 2 along with this program; If not, see
20  * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
21  *
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
24  * have any questions.
25  *
26  * GPL HEADER END
27  */
28 /*
29  * Copyright  2008 Sun Microsystems, Inc. All rights reserved
30  * Use is subject to license terms.
31  */
32 /*
33  * This file is part of Lustre, http://www.lustre.org/
34  * Lustre is a trademark of Sun Microsystems, Inc.
35  */
36
37 #ifndef _LINUX_LL_H
38 #define _LINUX_LL_H
39
40 #ifndef _LL_H
41 #error Do not #include this file directly. #include <lustre_lite.h> instead
42 #endif
43
44 #ifdef __KERNEL__
45
46 #include <linux/version.h>
47
48 #include <asm/statfs.h>
49
50 #include <linux/fs.h>
51 #include <linux/dcache.h>
52 #include <linux/proc_fs.h>
53
54 #include <obd_class.h>
55 #include <lustre_net.h>
56 #include <lustre_ha.h>
57
58 #include <linux/rbtree.h>
59 #include <linux/lustre_compat25.h>
60 #include <linux/pagemap.h>
61
62 #ifdef HAVE_PERCPU_COUNTER
63 #include <linux/percpu_counter.h>
64
65 typedef struct percpu_counter lcounter_t;
66
67 #define lcounter_read(counter)          (int)percpu_counter_read(counter)
68 #define lcounter_inc(counter)           percpu_counter_inc(counter)
69 #define lcounter_dec(counter)           percpu_counter_dec(counter)
70
71 #ifdef HAVE_PERCPU_2ND_ARG
72 # define lcounter_init(counter)          percpu_counter_init(counter, 0)
73 #else
74 # define lcounter_init(counter)          percpu_counter_init(counter)
75 #endif
76
77 #define lcounter_destroy(counter)       percpu_counter_destroy(counter)
78
79 #else
80 typedef struct { cfs_atomic_t count; } lcounter_t;
81
82 #define lcounter_read(counter)          cfs_atomic_read(&counter->count)
83 #define lcounter_inc(counter)           cfs_atomic_inc(&counter->count)
84 #define lcounter_dec(counter)           cfs_atomic_dec(&counter->count)
85 #define lcounter_init(counter)          cfs_atomic_set(&counter->count, 0)
86 #define lcounter_destroy(counter)       
87
88 #endif /* if defined HAVE_PERCPU_COUNTER */
89
90 /* lprocfs.c */
91 enum {
92          LPROC_LL_DIRTY_HITS = 0,
93          LPROC_LL_DIRTY_MISSES,
94          LPROC_LL_WB_WRITEPAGE,
95          LPROC_LL_WB_PRESSURE,
96          LPROC_LL_WB_OK,
97          LPROC_LL_WB_FAIL,
98          LPROC_LL_READ_BYTES,
99          LPROC_LL_WRITE_BYTES,
100          LPROC_LL_BRW_READ,
101          LPROC_LL_BRW_WRITE,
102          LPROC_LL_IOCTL,
103          LPROC_LL_OPEN,
104          LPROC_LL_RELEASE,
105          LPROC_LL_MAP,
106          LPROC_LL_LLSEEK,
107          LPROC_LL_FSYNC,
108          LPROC_LL_SETATTR,
109          LPROC_LL_TRUNC,
110          LPROC_LL_LOCKLESS_TRUNC,
111          LPROC_LL_FLOCK,
112          LPROC_LL_GETATTR,
113          LPROC_LL_STAFS,
114          LPROC_LL_ALLOC_INODE,
115          LPROC_LL_SETXATTR,
116          LPROC_LL_GETXATTR,
117          LPROC_LL_LISTXATTR,
118          LPROC_LL_REMOVEXATTR,
119          LPROC_LL_INODE_PERM,
120          LPROC_LL_DIRECT_READ,
121          LPROC_LL_DIRECT_WRITE,
122          LPROC_LL_LOCKLESS_READ,
123          LPROC_LL_LOCKLESS_WRITE,
124          LPROC_LL_FILE_OPCODES
125 };
126
127 #else
128 #include <lustre/lustre_idl.h>
129 #endif /* __KERNEL__ */
130
131 #endif