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5
6#ifndef __XFS_LINUX__
7#define __XFS_LINUX__
8
9#include <linux/types.h>
10#include <linux/uuid.h>
11
12
13
14
15
16typedef __s64 xfs_off_t;
17typedef unsigned long long xfs_ino_t;
18typedef __s64 xfs_daddr_t;
19typedef __u32 xfs_dev_t;
20typedef __u32 xfs_nlink_t;
21
22#include "xfs_types.h"
23
24#include "kmem.h"
25#include "mrlock.h"
26
27#include <linux/semaphore.h>
28#include <linux/mm.h>
29#include <linux/sched/mm.h>
30#include <linux/kernel.h>
31#include <linux/blkdev.h>
32#include <linux/slab.h>
33#include <linux/crc32c.h>
34#include <linux/module.h>
35#include <linux/mutex.h>
36#include <linux/file.h>
37#include <linux/swap.h>
38#include <linux/errno.h>
39#include <linux/sched/signal.h>
40#include <linux/bitops.h>
41#include <linux/major.h>
42#include <linux/pagemap.h>
43#include <linux/vfs.h>
44#include <linux/seq_file.h>
45#include <linux/init.h>
46#include <linux/list.h>
47#include <linux/proc_fs.h>
48#include <linux/sort.h>
49#include <linux/cpu.h>
50#include <linux/notifier.h>
51#include <linux/delay.h>
52#include <linux/log2.h>
53#include <linux/spinlock.h>
54#include <linux/random.h>
55#include <linux/ctype.h>
56#include <linux/writeback.h>
57#include <linux/capability.h>
58#include <linux/kthread.h>
59#include <linux/freezer.h>
60#include <linux/list_sort.h>
61#include <linux/ratelimit.h>
62#include <linux/rhashtable.h>
63#include <linux/xattr.h>
64
65#include <asm/page.h>
66#include <asm/div64.h>
67#include <asm/param.h>
68#include <linux/uaccess.h>
69#include <asm/byteorder.h>
70#include <asm/unaligned.h>
71
72#include "xfs_fs.h"
73#include "xfs_stats.h"
74#include "xfs_sysctl.h"
75#include "xfs_iops.h"
76#include "xfs_aops.h"
77#include "xfs_super.h"
78#include "xfs_cksum.h"
79#include "xfs_buf.h"
80#include "xfs_message.h"
81
82#ifdef __BIG_ENDIAN
83#define XFS_NATIVE_HOST 1
84#else
85#undef XFS_NATIVE_HOST
86#endif
87
88#define irix_sgid_inherit xfs_params.sgid_inherit.val
89#define irix_symlink_mode xfs_params.symlink_mode.val
90#define xfs_panic_mask xfs_params.panic_mask.val
91#define xfs_error_level xfs_params.error_level.val
92#define xfs_syncd_centisecs xfs_params.syncd_timer.val
93#define xfs_stats_clear xfs_params.stats_clear.val
94#define xfs_inherit_sync xfs_params.inherit_sync.val
95#define xfs_inherit_nodump xfs_params.inherit_nodump.val
96#define xfs_inherit_noatime xfs_params.inherit_noatim.val
97#define xfs_inherit_nosymlinks xfs_params.inherit_nosym.val
98#define xfs_rotorstep xfs_params.rotorstep.val
99#define xfs_inherit_nodefrag xfs_params.inherit_nodfrg.val
100#define xfs_fstrm_centisecs xfs_params.fstrm_timer.val
101#define xfs_eofb_secs xfs_params.eofb_timer.val
102#define xfs_cowb_secs xfs_params.cowb_timer.val
103
104#define current_cpu() (raw_smp_processor_id())
105#define current_pid() (current->pid)
106#define current_test_flags(f) (current->flags & (f))
107#define current_set_flags_nested(sp, f) \
108 (*(sp) = current->flags, current->flags |= (f))
109#define current_clear_flags_nested(sp, f) \
110 (*(sp) = current->flags, current->flags &= ~(f))
111#define current_restore_flags_nested(sp, f) \
112 (current->flags = ((current->flags & ~(f)) | (*(sp) & (f))))
113
114#define NBBY 8
115
116
117
118
119
120#define BLKDEV_IOSHIFT PAGE_SHIFT
121#define BLKDEV_IOSIZE (1<<BLKDEV_IOSHIFT)
122
123#define BLKDEV_BB BTOBB(BLKDEV_IOSIZE)
124
125#define ENOATTR ENODATA
126#define EWRONGFS EINVAL
127#define EFSCORRUPTED EUCLEAN
128#define EFSBADCRC EBADMSG
129
130#define SYNCHRONIZE() barrier()
131#define __return_address __builtin_return_address(0)
132
133
134
135
136
137
138#define __this_address ({ __label__ __here; __here: barrier(); &&__here; })
139
140#define XFS_PROJID_DEFAULT 0
141
142#define howmany(x, y) (((x)+((y)-1))/(y))
143
144static inline void delay(long ticks)
145{
146 schedule_timeout_uninterruptible(ticks);
147}
148
149
150
151
152
153
154
155struct xfs_kobj {
156 struct kobject kobject;
157 struct completion complete;
158};
159
160struct xstats {
161 struct xfsstats __percpu *xs_stats;
162 struct xfs_kobj xs_kobj;
163};
164
165extern struct xstats xfsstats;
166
167static inline dev_t xfs_to_linux_dev_t(xfs_dev_t dev)
168{
169 return MKDEV(sysv_major(dev) & 0x1ff, sysv_minor(dev));
170}
171
172static inline xfs_dev_t linux_to_xfs_dev_t(dev_t dev)
173{
174 return sysv_encode_dev(dev);
175}
176
177
178
179
180#define xfs_sort(a,n,s,fn) sort(a,n,s,fn,NULL)
181#define xfs_stack_trace() dump_stack()
182
183static inline uint64_t roundup_64(uint64_t x, uint32_t y)
184{
185 x += y - 1;
186 do_div(x, y);
187 return x * y;
188}
189
190static inline uint64_t howmany_64(uint64_t x, uint32_t y)
191{
192 x += y - 1;
193 do_div(x, y);
194 return x;
195}
196
197int xfs_rw_bdev(struct block_device *bdev, sector_t sector, unsigned int count,
198 char *data, unsigned int op);
199
200#define ASSERT_ALWAYS(expr) \
201 (likely(expr) ? (void)0 : assfail(NULL, #expr, __FILE__, __LINE__))
202
203#ifdef DEBUG
204#define ASSERT(expr) \
205 (likely(expr) ? (void)0 : assfail(NULL, #expr, __FILE__, __LINE__))
206
207#else
208
209#ifdef XFS_WARN
210
211#define ASSERT(expr) \
212 (likely(expr) ? (void)0 : asswarn(NULL, #expr, __FILE__, __LINE__))
213
214#else
215
216#define ASSERT(expr) ((void)0)
217
218#endif
219#endif
220
221#define XFS_IS_CORRUPT(mp, expr) \
222 (unlikely(expr) ? xfs_corruption_error(#expr, XFS_ERRLEVEL_LOW, (mp), \
223 NULL, 0, __FILE__, __LINE__, \
224 __this_address), \
225 true : false)
226
227#define STATIC static noinline
228
229#ifdef CONFIG_XFS_RT
230
231
232
233
234
235#define XFS_IS_REALTIME_INODE(ip) \
236 (((ip)->i_d.di_flags & XFS_DIFLAG_REALTIME) && \
237 (ip)->i_mount->m_rtdev_targp)
238#define XFS_IS_REALTIME_MOUNT(mp) ((mp)->m_rtdev_targp ? 1 : 0)
239#else
240#define XFS_IS_REALTIME_INODE(ip) (0)
241#define XFS_IS_REALTIME_MOUNT(mp) (0)
242#endif
243
244
245
246
247
248
249
250#ifdef DEBUG
251# define PTR_FMT "%px"
252#else
253# define PTR_FMT "%p"
254#endif
255
256#endif
257