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xfsprogs: Release v6.15.0
[thirdparty/xfsprogs-dev.git] / io / io.h
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959ef981 1// SPDX-License-Identifier: GPL-2.0
48c46ee3 2/*
da23017d
NS		 3 * Copyright (c) 2003-2005 Silicon Graphics, Inc.
4 * All Rights Reserved.
48c46ee3
NS		 5 */
6
dcabd4e7 7#include "xfs.h"
42b4c8e8 8#include "libfrog/paths.h"
dcabd4e7 9
8fb2237e
NS		 10/*
11 * Read/write patterns (default is always "forward")
12 */
13#define IO_RANDOM ( 0)
14#define IO_FORWARD ( 1)
15#define IO_BACKWARD (-1)
43ba1d61 16#define IO_ONCE ( 2)
8fb2237e
NS		 17
18/*
19 * File descriptor options
20 */
48c46ee3
NS		 21#define IO_READONLY (1<<0)
22#define IO_DIRECT (1<<1)
23#define IO_REALTIME (1<<2)
24#define IO_APPEND (1<<3)
25#define IO_OSYNC (1<<4)
26#define IO_CREAT (1<<5)
27#define IO_TRUNC (1<<6)
28#define IO_FOREIGN (1<<7)
57f46ec0 29#define IO_NONBLOCK (1<<8)
da2b3c09 30#define IO_TMPFILE (1<<9)
fc52865c
DH		 31#define IO_PATH (1<<10)
32#define IO_NOFOLLOW (1<<11)
48c46ee3 33
1cf7afbc
DW		 34/* undergoing atomic update, do not close */
35#define IO_ATOMICUPDATE (1<<12)
36
48c46ee3
NS		 37/*
38 * Regular file I/O control
39 */
40typedef struct fileio {
41 int fd; /* open file descriptor */
42 int flags; /* flags describing file state */
43 char *name; /* file name at time of open */
2668d323 44 struct xfs_fsop_geom geom; /* XFS filesystem geometry */
3fcab549 45 struct fs_path fs_path; /* XFS path information */
48c46ee3
NS		 46} fileio_t;
47
48extern fileio_t *filetable; /* open file table */
49extern int filecount; /* number of open files */
50extern fileio_t *file; /* active file in file table */
51extern int filelist_f(void);
a8cef9f6 52extern int stat_f(int argc, char **argv);
48c46ee3
NS		 53/*
54 * Memory mapped file regions
55 */
56typedef struct mmap_region {
57 void *addr; /* address of start of mapping */
58 size_t length; /* length of mapping */
9e726740 59 off_t offset; /* start offset into backing file */
48c46ee3 60 int prot; /* protection mode of the mapping */
28965957 61 int flags; /* MAP_* flags passed to mmap() */
48c46ee3
NS		 62 char *name; /* name of backing file */
63} mmap_region_t;
64
65extern mmap_region_t *maptable; /* mmap'd region array */
66extern int mapcount; /* #entries in the mapping table */
67extern mmap_region_t *mapping; /* active mapping table entry */
68extern int maplist_f(void);
9e726740 69extern void *check_mapping_range(mmap_region_t *, off_t, size_t, int);
48c46ee3
NS		 70
71/*
72 * Various xfs_io helper routines/globals
73 */
74
9e726740 75extern off_t filesize(void);
2668d323 76extern int openfile(char *, struct xfs_fsop_geom *, int, mode_t,
3fcab549 77 struct fs_path *);
2668d323 78extern int addfile(char *, int , struct xfs_fsop_geom *, int,
3fcab549 79 struct fs_path *);
1cf7afbc 80extern int closefile(void);
2ac030ae 81extern void printxattr(uint, int, int, const char *, int, int);
48c46ee3 82
3d93ccb7
NS		 83extern unsigned int recurse_all;
84extern unsigned int recurse_dir;
85
86715ccb
ES		 86extern void *io_buffer;
87extern size_t io_buffersize;
10899f17
DC		 88extern int vectors;
89extern struct iovec *iov;
2c2f6d79 90extern int alloc_buffer(size_t, int, unsigned int);
9e726740 91extern int read_buffer(int, off_t, long long, long long *,
48c46ee3 92 int, int);
9e726740 93extern void dump_buffer(off_t, ssize_t);
0bba1a49 94
2ac030ae 95extern void attr_init(void);
0bba1a49 96extern void bmap_init(void);
0cf66b0f 97extern void encrypt_init(void);
0bba1a49 98extern void file_init(void);
aa210c4d 99extern void flink_init(void);
0bba1a49 100extern void freeze_init(void);
d9151538 101extern void fsuuid_init(void);
0bba1a49 102extern void fsync_init(void);
5c7bef67 103extern void getrusage_init(void);
0bba1a49 104extern void help_init(void);
9527f2d5 105extern void imap_init(void);
0bba1a49 106extern void inject_init(void);
cfa10b0f 107extern void label_init(void);
0bba1a49
NS		 108extern void mmap_init(void);
109extern void open_init(void);
74043ab2 110extern void parent_init(void);
0bba1a49
NS		 111extern void pread_init(void);
112extern void prealloc_init(void);
113extern void pwrite_init(void);
114extern void quit_init(void);
c4bd48ef 115extern void resblks_init(void);
b169249b 116extern void seek_init(void);
3f071c2d 117extern void shutdown_init(void);
a8cef9f6 118extern void stat_init(void);
57e7138a 119extern void swapext_init(void);
c7dd81c7 120extern void sync_init(void);
0bba1a49 121extern void truncate_init(void);
8211d1b5 122extern void utimes_init(void);
0bba1a49 123extern void fadvise_init(void);
0bba1a49 124extern void sendfile_init(void);
0bba1a49 125extern void madvise_init(void);
0bba1a49 126extern void mincore_init(void);
8f0e0912 127extern void fiemap_init(void);
a278c389 128
628e112a
AS		 129#ifdef HAVE_COPY_FILE_RANGE
130extern void copy_range_init(void);
131#else
132#define copy_range_init() do { } while (0)
133#endif
134
2d5aa51b
RHI		 135#ifdef HAVE_CACHESTAT
136extern void cachestat_init(void);
137#else
138#define cachestat_init() do { } while (0)
139#endif
140
a278c389 141extern void sync_range_init(void);
3bc05641 142extern void readdir_init(void);
bb8aab66 143extern void reflink_init(void);
1e51132f 144extern void cowextsize_init(void);
3fcab549
DW		 145
146#ifdef HAVE_GETFSMAP
147extern void fsmap_init(void);
148#else
149# define fsmap_init() do { } while (0)
150#endif
813c67c7 151
851c5d11
RZ		 152#ifdef HAVE_DEVMAPPER
153extern void log_writes_init(void);
154#else
155#define log_writes_init() do { } while (0)
156#endif
157
813c67c7 158extern void scrub_init(void);
bec810e8 159extern void repair_init(void);
99a5535c 160extern void crc32cselftest_init(void);
3c8276c4 161extern void bulkstat_init(void);
8d5f0786 162void exchangerange_init(void);
d194cb81 163void fsprops_init(void);
b15ffb57 164void aginfo_init(void);
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