#ifndef _UAPI_LINUX_STAT_H#define _UAPI_LINUX_STAT_H #include <linux/types.h> #if defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) #define S_IFMT  00170000#define S_IFSOCK 0140000#define S_IFLNK	 0120000#define S_IFREG  0100000#define S_IFBLK  0060000#define S_IFDIR  0040000#define S_IFCHR  0020000#define S_IFIFO  0010000#define S_ISUID  0004000#define S_ISGID  0002000#define S_ISVTX  0001000 #define S_ISLNK(m)	(((m) & S_IFMT) == S_IFLNK)#define S_ISREG(m)	(((m) & S_IFMT) == S_IFREG)#define S_ISDIR(m)	(((m) & S_IFMT) == S_IFDIR)#define S_ISCHR(m)	(((m) & S_IFMT) == S_IFCHR)#define S_ISBLK(m)	(((m) & S_IFMT) == S_IFBLK)#define S_ISFIFO(m)	(((m) & S_IFMT) == S_IFIFO)#define S_ISSOCK(m)	(((m) & S_IFMT) == S_IFSOCK) #define S_IRWXU 00700#define S_IRUSR 00400#define S_IWUSR 00200#define S_IXUSR 00100 #define S_IRWXG 00070#define S_IRGRP 00040#define S_IWGRP 00020#define S_IXGRP 00010 #define S_IRWXO 00007#define S_IROTH 00004#define S_IWOTH 00002#define S_IXOTH 00001 #endif /* * Timestamp structure for the timestamps in struct statx. * * tv_sec holds the number of seconds before (negative) or after (positive) * 00:00:00 1st January 1970 UTC. * * tv_nsec holds a number of nanoseconds (0..999,999,999) after the tv_sec time. * * __reserved is held in case we need a yet finer resolution. */struct statx_timestamp {	__s64	tv_sec;	__u32	tv_nsec;	__s32	__reserved;}; /* * Structures for the extended file attribute retrieval system call * (statx()). * * The caller passes a mask of what they're specifically interested in as a * parameter to statx().  What statx() actually got will be indicated in * st_mask upon return. * * For each bit in the mask argument: * * - if the datum is not supported: * *   - the bit will be cleared, and * *   - the datum will be set to an appropriate fabricated value if one is *     available (eg. CIFS can take a default uid and gid), otherwise * *   - the field will be cleared; * * - otherwise, if explicitly requested: * *   - the datum will be synchronised to the server if AT_STATX_FORCE_SYNC is *     set or if the datum is considered out of date, and * *   - the field will be filled in and the bit will be set; * * - otherwise, if not requested, but available in approximate form without any *   effort, it will be filled in anyway, and the bit will be set upon return *   (it might not be up to date, however, and no attempt will be made to *   synchronise the internal state first); * * - otherwise the field and the bit will be cleared before returning. * * Items in STATX_BASIC_STATS may be marked unavailable on return, but they * will have values installed for compatibility purposes so that stat() and * co. can be emulated in userspace. */struct statx {	/* 0x00 */	__u32	stx_mask;	/* What results were written [uncond] */	__u32	stx_blksize;	/* Preferred general I/O size [uncond] */	__u64	stx_attributes;	/* Flags conveying information about the file [uncond] */	/* 0x10 */	__u32	stx_nlink;	/* Number of hard links */	__u32	stx_uid;	/* User ID of owner */	__u32	stx_gid;	/* Group ID of owner */	__u16	stx_mode;	/* File mode */	__u16	__spare0[1];	/* 0x20 */	__u64	stx_ino;	/* Inode number */	__u64	stx_size;	/* File size */	__u64	stx_blocks;	/* Number of 512-byte blocks allocated */	__u64	stx_attributes_mask; /* Mask to show what's supported in stx_attributes */	/* 0x40 */	struct statx_timestamp	stx_atime;	/* Last access time */	struct statx_timestamp	stx_btime;	/* File creation time */	struct statx_timestamp	stx_ctime;	/* Last attribute change time */	struct statx_timestamp	stx_mtime;	/* Last data modification time */	/* 0x80 */	__u32	stx_rdev_major;	/* Device ID of special file [if bdev/cdev] */	__u32	stx_rdev_minor;	__u32	stx_dev_major;	/* ID of device containing file [uncond] */	__u32	stx_dev_minor;	/* 0x90 */	__u64	__spare2[14];	/* Spare space for future expansion */	/* 0x100 */}; /* * Flags to be stx_mask * * Query request/result mask for statx() and struct statx::stx_mask. * * These bits should be set in the mask argument of statx() to request * particular items when calling statx(). */#define STATX_TYPE		0x00000001U	/* Want/got stx_mode & S_IFMT */#define STATX_MODE		0x00000002U	/* Want/got stx_mode & ~S_IFMT */#define STATX_NLINK		0x00000004U	/* Want/got stx_nlink */#define STATX_UID		0x00000008U	/* Want/got stx_uid */#define STATX_GID		0x00000010U	/* Want/got stx_gid */#define STATX_ATIME		0x00000020U	/* Want/got stx_atime */#define STATX_MTIME		0x00000040U	/* Want/got stx_mtime */#define STATX_CTIME		0x00000080U	/* Want/got stx_ctime */#define STATX_INO		0x00000100U	/* Want/got stx_ino */#define STATX_SIZE		0x00000200U	/* Want/got stx_size */#define STATX_BLOCKS		0x00000400U	/* Want/got stx_blocks */#define STATX_BASIC_STATS	0x000007ffU	/* The stuff in the normal stat struct */#define STATX_BTIME		0x00000800U	/* Want/got stx_btime */#define STATX_ALL		0x00000fffU	/* All currently supported flags */#define STATX__RESERVED		0x80000000U	/* Reserved for future struct statx expansion */ /* * Attributes to be found in stx_attributes and masked in stx_attributes_mask. * * These give information about the features or the state of a file that might * be of use to ordinary userspace programs such as GUIs or ls rather than * specialised tools. * * Note that the flags marked [I] correspond to generic FS_IOC_FLAGS * semantically.  Where possible, the numerical value is picked to correspond * also. */#define STATX_ATTR_COMPRESSED		0x00000004 /* [I] File is compressed by the fs */#define STATX_ATTR_IMMUTABLE		0x00000010 /* [I] File is marked immutable */#define STATX_ATTR_APPEND		0x00000020 /* [I] File is append-only */#define STATX_ATTR_NODUMP		0x00000040 /* [I] File is not to be dumped */#define STATX_ATTR_ENCRYPTED		0x00000800 /* [I] File requires key to decrypt in fs */ #define STATX_ATTR_AUTOMOUNT		0x00001000 /* Dir: Automount trigger */  #endif /* _UAPI_LINUX_STAT_H */