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* Copyright (c) 2004-2006 Silicon Graphics, Inc.
* All Rights Reserved.
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation.
* This program is distributed in the hope that it would be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* GNU Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#ifndef __XFS_DARWIN_H__
#define __XFS_DARWIN_H__
#include <unistd.h>
#include <sys/types.h>
#include <string.h>
#include <uuid/uuid.h>
#include <libgen.h>
#include <sys/vm.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include <sys/mount.h>
#include <sys/types.h>
#include <sys/time.h>
#include <ftw.h>
#include <mach/mach_time.h>
#include <inttypes.h>
#include <stdio.h>
#include <sys/mman.h>
#include <machine/endian.h>
#include <sys/syscall.h>
# ifndef SYS_fsctl
# define SYS_fsctl 242
# endif
#define XATTR_LIST_MAX 65536
static __inline__ int xfsctl(const char *path, int fd, int cmd, void *p)
return syscall(SYS_fsctl, path, cmd, p, 0);
static __inline__ int platform_test_xfs_fd(int fd)
struct statfs buf;
if (fstatfs(fd, &buf) < 0)
return 0;
return strncmp(buf.f_fstypename, "xfs", 4) == 0;
static __inline__ int platform_test_xfs_path(const char *path)
struct statfs buf;
if (statfs(path, &buf) < 0)
return 0;
return strncmp(buf.f_fstypename, "xfs", 4) == 0;
static __inline__ int platform_fstatfs(int fd, struct statfs *buf)
return fstatfs(fd, buf);
static __inline__ void platform_getoptreset(void)
extern int optreset;
optreset = 0;
static __inline__ int platform_uuid_compare(uuid_t *uu1, uuid_t *uu2)
return uuid_compare(*uu1, *uu2);
static __inline__ void platform_uuid_unparse(uuid_t *uu, char *buffer)
uuid_unparse(*uu, buffer);
static __inline__ int platform_uuid_parse(char *buffer, uuid_t *uu)
return uuid_parse(buffer, *uu);
static __inline__ int platform_uuid_is_null(uuid_t *uu)
return uuid_is_null(*uu);
static __inline__ void platform_uuid_generate(uuid_t *uu)
static __inline__ void platform_uuid_clear(uuid_t *uu)
static __inline__ void platform_uuid_copy(uuid_t *dst, uuid_t *src)
uuid_copy(*dst, *src);
typedef unsigned char __u8;
typedef signed char __s8;
typedef unsigned short __u16;
typedef signed short __s16;
typedef unsigned int __u32;
typedef signed int __s32;
typedef unsigned long long int __u64;
typedef signed long long int __s64;
#define int8_t int8_t
#define int16_t int16_t
#define int32_t int32_t
#define int32_t int32_t
#define int64_t int64_t
typedef off_t xfs_off_t;
typedef uint64_t xfs_ino_t;
typedef uint32_t xfs_dev_t;
typedef int64_t xfs_daddr_t;
typedef __u32 xfs_nlink_t;
#define fdatasync fsync
#define memalign(a,sz) valloc(sz)
#define O_LARGEFILE 0
#ifndef O_DIRECT
#define O_DIRECT 0
#ifndef O_SYNC
#define O_SYNC 0
#define EFSCORRUPTED 990 /* Filesystem is corrupted */
#define EFSBADCRC 991 /* Bad CRC detected */
#define HAVE_FID 1
static __inline__ int
platform_discard_blocks(int fd, uint64_t start, uint64_t len)
return 0;
* POSIX timer replacement.
* It really just do the minimum we need for xfs_repair.
* Also, as setitimer can't create multiple timers,
* the timerid things are useless - we have only one ITIMER_REAL
* timer.
#define itimerspec itimerval
typedef uint64_t timer_t;
typedef double timer_c;
typedef clock_id_t clockid_t;
static inline int timer_create (clockid_t __clock_id,
struct sigevent *__restrict __evp,
timer_t *__restrict timer)
// set something, to initialize the variable, just in case
*timer = 0;
return 0;
static inline int timer_settime (timer_t timerid, int flags,
const struct itimerspec *__restrict timerspec,
struct itimerspec *__restrict ovalue)
return setitimer(ITIMER_REAL, timerspec, ovalue);
static inline int timer_delete (timer_t timerid)
struct itimerspec timespec;
return setitimer(ITIMER_REAL, &timespec, NULL);
static inline int timer_gettime (timer_t timerid, struct itimerspec *value)
return getitimer(ITIMER_REAL, value);
/* FSR */
# include <sys/mount.h>
# include <sys/param.h>
#include <sys/ucred.h>
#include <errno.h>
#define _PATH_MOUNTED "/etc/mtab"
struct mntent
char *mnt_fsname;
char *mnt_dir;
char *mnt_type;
char *mnt_opts;
int mnt_freq;
int mnt_passno;
static inline void mntinfo2mntent (struct statfs * stats, struct mntent * mnt) {
mnt->mnt_fsname = stats->f_mntfromname;
mnt->mnt_dir = stats->f_mntonname;
mnt->mnt_type = stats->f_fstypename;
* Abstraction of mountpoints.
struct mntent_cursor {
FILE *mtabp;
struct statfs *stats;
int count;
int i;
* OS X uses getmntinfo, which doesn't use a mtab file. So we just ignore it.
static inline int platform_mntent_open(struct mntent_cursor * cursor, char *mtab)
if ((cursor->count = getmntinfo(&cursor->stats, 0)) < 0) {
fprintf(stderr, "Error: getmntinfo() failed: %s\n", strerror(errno));
return 1;
cursor->i = 0;
return 0;
static inline struct mntent * platform_mntent_next(struct mntent_cursor * cursor)
struct mntent * t = NULL;
if (cursor->i >= cursor->count){
return NULL;
mntinfo2mntent(&cursor->stats[cursor->i], t);
return t;
static inline void platform_mntent_close(struct mntent_cursor * cursor)
cursor->count = 0;
cursor->i = 0;
/* check whether we have to define FS_IOC_FS[GS]ETXATTR ourselves */
struct fsxattr {
__u32 fsx_xflags; /* xflags field value (get/set) */
__u32 fsx_extsize; /* extsize field value (get/set)*/
__u32 fsx_nextents; /* nextents field value (get) */
__u32 fsx_projid; /* project identifier (get/set) */
__u32 fsx_cowextsize; /* cow extsize field value (get/set) */
unsigned char fsx_pad[8];
* Flags for the fsx_xflags field
#define FS_XFLAG_REALTIME 0x00000001 /* data in realtime volume */
#define FS_XFLAG_PREALLOC 0x00000002 /* preallocated file extents */
#define FS_XFLAG_IMMUTABLE 0x00000008 /* file cannot be modified */
#define FS_XFLAG_APPEND 0x00000010 /* all writes append */
#define FS_XFLAG_SYNC 0x00000020 /* all writes synchronous */
#define FS_XFLAG_NOATIME 0x00000040 /* do not update access time */
#define FS_XFLAG_NODUMP 0x00000080 /* do not include in backups */
#define FS_XFLAG_RTINHERIT 0x00000100 /* create with rt bit set */
#define FS_XFLAG_PROJINHERIT 0x00000200 /* create with parents projid */
#define FS_XFLAG_NOSYMLINKS 0x00000400 /* disallow symlink creation */
#define FS_XFLAG_EXTSIZE 0x00000800 /* extent size allocator hint */
#define FS_XFLAG_EXTSZINHERIT 0x00001000 /* inherit inode extent size */
#define FS_XFLAG_NODEFRAG 0x00002000 /* do not defragment */
#define FS_XFLAG_FILESTREAM 0x00004000 /* use filestream allocator */
#define FS_XFLAG_DAX 0x00008000 /* use DAX for IO */
#define FS_XFLAG_HASATTR 0x80000000 /* no DIFLAG for this */
#define FS_IOC_FSGETXATTR _IOR ('X', 31, struct fsxattr)
#define FS_IOC_FSSETXATTR _IOW ('X', 32, struct fsxattr)
#define FS_XFLAG_COWEXTSIZE 0x00010000 /* CoW extent size allocator hint */
#endif /* __XFS_DARWIN_H__ */