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
22struct 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	u64		change_cookie;
54	u64		subvol;
55	u32		dio_mem_align;
56	u32		dio_offset_align;
57	u32		dio_read_offset_align;
58	u32		atomic_write_unit_min;
59	u32		atomic_write_unit_max;
60	u32		atomic_write_unit_max_opt;
61	u32		atomic_write_segments_max;
62};
63
64/* These definitions are internal to the kernel for now. Mainly used by nfsd. */
65
66/* mask values */
67#define STATX_CHANGE_COOKIE		0x40000000U	/* Want/got stx_change_attr */
68
69/* file attribute values */
70#define STATX_ATTR_CHANGE_MONOTONIC	0x8000000000000000ULL /* version monotonically increases */
71
72#endif