include/linux/stat.h

root/include/linux/stat.h
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_STAT_H
#define _LINUX_STAT_H


#include <asm/stat.h>
#include <uapi/linux/stat.h>

#define S_IRWXUGO       (S_IRWXU|S_IRWXG|S_IRWXO)
#define S_IALLUGO       (S_ISUID|S_ISGID|S_ISVTX|S_IRWXUGO)
#define S_IRUGO         (S_IRUSR|S_IRGRP|S_IROTH)
#define S_IWUGO         (S_IWUSR|S_IWGRP|S_IWOTH)
#define S_IXUGO         (S_IXUSR|S_IXGRP|S_IXOTH)

#define UTIME_NOW       ((1l << 30) - 1l)
#define UTIME_OMIT      ((1l << 30) - 2l)

#include <linux/types.h>
#include <linux/time.h>
#include <linux/uidgid.h>

struct kstat {
        u32             result_mask;    /* What fields the user got */
        umode_t         mode;
        unsigned int    nlink;
        uint32_t        blksize;        /* Preferred I/O size */
        u64             attributes;
        u64             attributes_mask;
#define KSTAT_ATTR_FS_IOC_FLAGS                         \
        (STATX_ATTR_COMPRESSED |                        \
         STATX_ATTR_IMMUTABLE |                         \
         STATX_ATTR_APPEND |                            \
         STATX_ATTR_NODUMP |                            \
         STATX_ATTR_ENCRYPTED |                         \
         STATX_ATTR_VERITY                              \
         )/* Attrs corresponding to FS_*_FL flags */
#define KSTAT_ATTR_VFS_FLAGS                            \
        (STATX_ATTR_IMMUTABLE |                         \
         STATX_ATTR_APPEND                              \
         ) /* Attrs corresponding to S_* flags that are enforced by the VFS */
        u64             ino;
        dev_t           dev;
        dev_t           rdev;
        kuid_t          uid;
        kgid_t          gid;
        loff_t          size;
        struct timespec64 atime;
        struct timespec64 mtime;
        struct timespec64 ctime;
        struct timespec64 btime;                        /* File creation time */
        u64             blocks;
        u64             mnt_id;
        u64             change_cookie;
        u64             subvol;
        u32             dio_mem_align;
        u32             dio_offset_align;
        u32             dio_read_offset_align;
        u32             atomic_write_unit_min;
        u32             atomic_write_unit_max;
        u32             atomic_write_unit_max_opt;
        u32             atomic_write_segments_max;
};

/* These definitions are internal to the kernel for now. Mainly used by nfsd. */

/* mask values */
#define STATX_CHANGE_COOKIE             0x40000000U     /* Want/got stx_change_attr */

/* file attribute values */
#define STATX_ATTR_CHANGE_MONOTONIC     0x8000000000000000ULL /* version monotonically increases */

#endif
Linux
