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;
	u32		dio_mem_align;
	u32		dio_offset_align;
	u64		change_cookie;
	u64		subvol;
	u32		atomic_write_unit_min;
	u32		atomic_write_unit_max;
	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