include/linux/stat.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _LINUX_STAT_H
   3 #define _LINUX_STAT_H
   4
   5
   6 #include <asm/stat.h>
   7 #include <uapi/linux/stat.h>
   8
   9 #define S_IRWXUGO       (S_IRWXU|S_IRWXG|S_IRWXO)
  10 #define S_IALLUGO       (S_ISUID|S_ISGID|S_ISVTX|S_IRWXUGO)
  11 #define S_IRUGO         (S_IRUSR|S_IRGRP|S_IROTH)
  12 #define S_IWUGO         (S_IWUSR|S_IWGRP|S_IWOTH)
  13 #define S_IXUGO         (S_IXUSR|S_IXGRP|S_IXOTH)
  14
  15 #define UTIME_NOW       ((1l << 30) - 1l)
  16 #define UTIME_OMIT      ((1l << 30) - 2l)
  17
  18 #include <linux/types.h>
  19 #include <linux/time.h>
  20 #include <linux/uidgid.h>
  21
  22 struct kstat {
  23         u32             result_mask;    /* What fields the user got */
  24         umode_t         mode;
  25         unsigned int    nlink;
  26         uint32_t        blksize;        /* Preferred I/O size */
  27         u64             attributes;
  28         u64             attributes_mask;
  29 #define KSTAT_ATTR_FS_IOC_FLAGS                         \
  30         (STATX_ATTR_COMPRESSED |                        \
  31          STATX_ATTR_IMMUTABLE |                         \
  32          STATX_ATTR_APPEND |                            \
  33          STATX_ATTR_NODUMP |                            \
  34          STATX_ATTR_ENCRYPTED |                         \
  35          STATX_ATTR_VERITY                              \
  36          )/* Attrs corresponding to FS_*_FL flags */
  37 #define KSTAT_ATTR_VFS_FLAGS                            \
  38         (STATX_ATTR_IMMUTABLE |                         \
  39          STATX_ATTR_APPEND                              \
  40          ) /* Attrs corresponding to S_* flags that are enforced by the VFS */
  41         u64             ino;
  42         dev_t           dev;
  43         dev_t           rdev;
  44         kuid_t          uid;
  45         kgid_t          gid;
  46         loff_t          size;
  47         struct timespec64 atime;
  48         struct timespec64 mtime;
  49         struct timespec64 ctime;
  50         struct timespec64 btime;                        /* File creation time */
  51         u64             blocks;
  52         u64             mnt_id;
  53         u32             dio_mem_align;
  54         u32             dio_offset_align;
  55         u64             change_cookie;
  56         u64             subvol;
  57         u32             atomic_write_unit_min;
  58         u32             atomic_write_unit_max;
  59         u32             atomic_write_segments_max;
  60 };
  61
  62 /* These definitions are internal to the kernel for now. Mainly used by nfsd. */
  63
  64 /* mask values */
  65 #define STATX_CHANGE_COOKIE             0x40000000U     /* Want/got stx_change_attr */
  66
  67 /* file attribute values */
  68 #define STATX_ATTR_CHANGE_MONOTONIC     0x8000000000000000ULL /* version monotonically increases */
  69
  70 #endif