include/uapi/linux/fs.h - kernel/msm-4.9 - Gitiles

 #ifndef _UAPI_LINUX_FS_H
 #define _UAPI_LINUX_FS_H

 /*
  * This file has definitions for some important file table
  * structures etc.
  */

 #include <linux/limits.h>
 #include <linux/ioctl.h>
 #include <linux/types.h>

 /*
  * It's silly to have NR_OPEN bigger than NR_FILE, but you can change
  * the file limit at runtime and only root can increase the per-process
  * nr_file rlimit, so it's safe to set up a ridiculously high absolute
  * upper limit on files-per-process.
  *
  * Some programs (notably those using select()) may have to be
  * recompiled to take full advantage of the new limits..
  */

 /* Fixed constants first: */
 #undef NR_OPEN
 #define INR_OPEN_CUR 1024	/* Initial setting for nfile rlimits */
 #define INR_OPEN_MAX 4096	/* Hard limit for nfile rlimits */

 #define BLOCK_SIZE_BITS 10
 #define BLOCK_SIZE (1<<BLOCK_SIZE_BITS)

 #define SEEK_SET	0	/* seek relative to beginning of file */
 #define SEEK_CUR	1	/* seek relative to current file position */
 #define SEEK_END	2	/* seek relative to end of file */
 #define SEEK_DATA	3	/* seek to the next data */
 #define SEEK_HOLE	4	/* seek to the next hole */
 #define SEEK_MAX	SEEK_HOLE

 struct fstrim_range {
 	__u64 start;
 	__u64 len;
 	__u64 minlen;
 };

 /* And dynamically-tunable limits and defaults: */
 struct files_stat_struct {
 	unsigned long nr_files;		/* read only */
 	unsigned long nr_free_files;	/* read only */
 	unsigned long max_files;		/* tunable */
 };

 struct inodes_stat_t {
 	int nr_inodes;
 	int nr_unused;
 	int dummy[5];		/* padding for sysctl ABI compatibility */
 };


 #define NR_FILE  8192	/* this can well be larger on a larger system */

 #define MAY_EXEC		0x00000001
 #define MAY_WRITE		0x00000002
 #define MAY_READ		0x00000004
 #define MAY_APPEND		0x00000008
 #define MAY_ACCESS		0x00000010
 #define MAY_OPEN		0x00000020
 #define MAY_CHDIR		0x00000040
 /* called from RCU mode, don't block */
 #define MAY_NOT_BLOCK		0x00000080

 /*
  * flags in file.f_mode.  Note that FMODE_READ and FMODE_WRITE must correspond
  * to O_WRONLY and O_RDWR via the strange trick in __dentry_open()
  */

 /* file is open for reading */
 #define FMODE_READ		((__force fmode_t)0x1)
 /* file is open for writing */
 #define FMODE_WRITE		((__force fmode_t)0x2)
 /* file is seekable */
 #define FMODE_LSEEK		((__force fmode_t)0x4)
 /* file can be accessed using pread */
 #define FMODE_PREAD		((__force fmode_t)0x8)
 /* file can be accessed using pwrite */
 #define FMODE_PWRITE		((__force fmode_t)0x10)
 /* File is opened for execution with sys_execve / sys_uselib */
 #define FMODE_EXEC		((__force fmode_t)0x20)
 /* File is opened with O_NDELAY (only set for block devices) */
 #define FMODE_NDELAY		((__force fmode_t)0x40)
 /* File is opened with O_EXCL (only set for block devices) */
 #define FMODE_EXCL		((__force fmode_t)0x80)
 /* File is opened using open(.., 3, ..) and is writeable only for ioctls
    (specialy hack for floppy.c) */
 #define FMODE_WRITE_IOCTL	((__force fmode_t)0x100)
 /* 32bit hashes as llseek() offset (for directories) */
 #define FMODE_32BITHASH         ((__force fmode_t)0x200)
 /* 64bit hashes as llseek() offset (for directories) */
 #define FMODE_64BITHASH         ((__force fmode_t)0x400)

 /*
  * Don't update ctime and mtime.
  *
  * Currently a special hack for the XFS open_by_handle ioctl, but we'll
  * hopefully graduate it to a proper O_CMTIME flag supported by open(2) soon.
  */
 #define FMODE_NOCMTIME		((__force fmode_t)0x800)

 /* Expect random access pattern */
 #define FMODE_RANDOM		((__force fmode_t)0x1000)

 /* File is huge (eg. /dev/kmem): treat loff_t as unsigned */
 #define FMODE_UNSIGNED_OFFSET	((__force fmode_t)0x2000)

 /* File is opened with O_PATH; almost nothing can be done with it */
 #define FMODE_PATH		((__force fmode_t)0x4000)

 /* File was opened by fanotify and shouldn't generate fanotify events */
 #define FMODE_NONOTIFY		((__force fmode_t)0x1000000)

 /*
  * Flag for rw_copy_check_uvector and compat_rw_copy_check_uvector
  * that indicates that they should check the contents of the iovec are
  * valid, but not check the memory that the iovec elements
  * points too.
  */
 #define CHECK_IOVEC_ONLY -1

 #define SEL_IN		1
 #define SEL_OUT		2
 #define SEL_EX		4

 /* public flags for file_system_type */
 #define FS_REQUIRES_DEV 1
 #define FS_BINARY_MOUNTDATA 2
 #define FS_HAS_SUBTYPE 4
 #define FS_REVAL_DOT	16384	/* Check the paths ".", ".." for staleness */
 #define FS_RENAME_DOES_D_MOVE	32768	/* FS will handle d_move()
 					 * during rename() internally.
 					 */

 /*
  * These are the fs-independent mount-flags: up to 32 flags are supported
  */
 #define MS_RDONLY	 1	/* Mount read-only */
 #define MS_NOSUID	 2	/* Ignore suid and sgid bits */
 #define MS_NODEV	 4	/* Disallow access to device special files */
 #define MS_NOEXEC	 8	/* Disallow program execution */
 #define MS_SYNCHRONOUS	16	/* Writes are synced at once */
 #define MS_REMOUNT	32	/* Alter flags of a mounted FS */
 #define MS_MANDLOCK	64	/* Allow mandatory locks on an FS */
 #define MS_DIRSYNC	128	/* Directory modifications are synchronous */
 #define MS_NOATIME	1024	/* Do not update access times. */
 #define MS_NODIRATIME	2048	/* Do not update directory access times */
 #define MS_BIND		4096
 #define MS_MOVE		8192
 #define MS_REC		16384
 #define MS_VERBOSE	32768	/* War is peace. Verbosity is silence.
 				   MS_VERBOSE is deprecated. */
 #define MS_SILENT	32768
 #define MS_POSIXACL	(1<<16)	/* VFS does not apply the umask */
 #define MS_UNBINDABLE	(1<<17)	/* change to unbindable */
 #define MS_PRIVATE	(1<<18)	/* change to private */
 #define MS_SLAVE	(1<<19)	/* change to slave */
 #define MS_SHARED	(1<<20)	/* change to shared */
 #define MS_RELATIME	(1<<21)	/* Update atime relative to mtime/ctime. */
 #define MS_KERNMOUNT	(1<<22) /* this is a kern_mount call */
 #define MS_I_VERSION	(1<<23) /* Update inode I_version field */
 #define MS_STRICTATIME	(1<<24) /* Always perform atime updates */
 #define MS_NOSEC	(1<<28)
 #define MS_BORN		(1<<29)
 #define MS_ACTIVE	(1<<30)
 #define MS_NOUSER	(1<<31)

 /*
  * Superblock flags that can be altered by MS_REMOUNT
  */
 #define MS_RMT_MASK	(MS_RDONLY|MS_SYNCHRONOUS|MS_MANDLOCK|MS_I_VERSION)

 /*
  * Old magic mount flag and mask
  */
 #define MS_MGC_VAL 0xC0ED0000
 #define MS_MGC_MSK 0xffff0000

 /* Inode flags - they have nothing to superblock flags now */

 #define S_SYNC		1	/* Writes are synced at once */
 #define S_NOATIME	2	/* Do not update access times */
 #define S_APPEND	4	/* Append-only file */
 #define S_IMMUTABLE	8	/* Immutable file */
 #define S_DEAD		16	/* removed, but still open directory */
 #define S_NOQUOTA	32	/* Inode is not counted to quota */
 #define S_DIRSYNC	64	/* Directory modifications are synchronous */
 #define S_NOCMTIME	128	/* Do not update file c/mtime */
 #define S_SWAPFILE	256	/* Do not truncate: swapon got its bmaps */
 #define S_PRIVATE	512	/* Inode is fs-internal */
 #define S_IMA		1024	/* Inode has an associated IMA struct */
 #define S_AUTOMOUNT	2048	/* Automount/referral quasi-directory */
 #define S_NOSEC		4096	/* no suid or xattr security attributes */

 /*
  * Note that nosuid etc flags are inode-specific: setting some file-system
  * flags just means all the inodes inherit those flags by default. It might be
  * possible to override it selectively if you really wanted to with some
  * ioctl() that is not currently implemented.
  *
  * Exception: MS_RDONLY is always applied to the entire file system.
  *
  * Unfortunately, it is possible to change a filesystems flags with it mounted
  * with files in use.  This means that all of the inodes will not have their
  * i_flags updated.  Hence, i_flags no longer inherit the superblock mount
  * flags, so these have to be checked separately. -- rmk@arm.uk.linux.org
  */
 #define __IS_FLG(inode,flg) ((inode)->i_sb->s_flags & (flg))

 #define IS_RDONLY(inode) ((inode)->i_sb->s_flags & MS_RDONLY)
 #define IS_SYNC(inode)		(__IS_FLG(inode, MS_SYNCHRONOUS) || \
 					((inode)->i_flags & S_SYNC))
 #define IS_DIRSYNC(inode)	(__IS_FLG(inode, MS_SYNCHRONOUS|MS_DIRSYNC) || \
 					((inode)->i_flags & (S_SYNC|S_DIRSYNC)))
 #define IS_MANDLOCK(inode)	__IS_FLG(inode, MS_MANDLOCK)
 #define IS_NOATIME(inode)   __IS_FLG(inode, MS_RDONLY|MS_NOATIME)
 #define IS_I_VERSION(inode)   __IS_FLG(inode, MS_I_VERSION)

 #define IS_NOQUOTA(inode)	((inode)->i_flags & S_NOQUOTA)
 #define IS_APPEND(inode)	((inode)->i_flags & S_APPEND)
 #define IS_IMMUTABLE(inode)	((inode)->i_flags & S_IMMUTABLE)
 #define IS_POSIXACL(inode)	__IS_FLG(inode, MS_POSIXACL)

 #define IS_DEADDIR(inode)	((inode)->i_flags & S_DEAD)
 #define IS_NOCMTIME(inode)	((inode)->i_flags & S_NOCMTIME)
 #define IS_SWAPFILE(inode)	((inode)->i_flags & S_SWAPFILE)
 #define IS_PRIVATE(inode)	((inode)->i_flags & S_PRIVATE)
 #define IS_IMA(inode)		((inode)->i_flags & S_IMA)
 #define IS_AUTOMOUNT(inode)	((inode)->i_flags & S_AUTOMOUNT)
 #define IS_NOSEC(inode)		((inode)->i_flags & S_NOSEC)

 /* the read-only stuff doesn't really belong here, but any other place is
    probably as bad and I don't want to create yet another include file. */

 #define BLKROSET   _IO(0x12,93)	/* set device read-only (0 = read-write) */
 #define BLKROGET   _IO(0x12,94)	/* get read-only status (0 = read_write) */
 #define BLKRRPART  _IO(0x12,95)	/* re-read partition table */
 #define BLKGETSIZE _IO(0x12,96)	/* return device size /512 (long *arg) */
 #define BLKFLSBUF  _IO(0x12,97)	/* flush buffer cache */
 #define BLKRASET   _IO(0x12,98)	/* set read ahead for block device */
 #define BLKRAGET   _IO(0x12,99)	/* get current read ahead setting */
 #define BLKFRASET  _IO(0x12,100)/* set filesystem (mm/filemap.c) read-ahead */
 #define BLKFRAGET  _IO(0x12,101)/* get filesystem (mm/filemap.c) read-ahead */
 #define BLKSECTSET _IO(0x12,102)/* set max sectors per request (ll_rw_blk.c) */
 #define BLKSECTGET _IO(0x12,103)/* get max sectors per request (ll_rw_blk.c) */
 #define BLKSSZGET  _IO(0x12,104)/* get block device sector size */
 #if 0
 #define BLKPG      _IO(0x12,105)/* See blkpg.h */

 /* Some people are morons.  Do not use sizeof! */

 #define BLKELVGET  _IOR(0x12,106,size_t)/* elevator get */
 #define BLKELVSET  _IOW(0x12,107,size_t)/* elevator set */
 /* This was here just to show that the number is taken -
    probably all these _IO(0x12,*) ioctls should be moved to blkpg.h. */
 #endif
 /* A jump here: 108-111 have been used for various private purposes. */
 #define BLKBSZGET  _IOR(0x12,112,size_t)
 #define BLKBSZSET  _IOW(0x12,113,size_t)
 #define BLKGETSIZE64 _IOR(0x12,114,size_t)	/* return device size in bytes (u64 *arg) */
 #define BLKTRACESETUP _IOWR(0x12,115,struct blk_user_trace_setup)
 #define BLKTRACESTART _IO(0x12,116)
 #define BLKTRACESTOP _IO(0x12,117)
 #define BLKTRACETEARDOWN _IO(0x12,118)
 #define BLKDISCARD _IO(0x12,119)
 #define BLKIOMIN _IO(0x12,120)
 #define BLKIOOPT _IO(0x12,121)
 #define BLKALIGNOFF _IO(0x12,122)
 #define BLKPBSZGET _IO(0x12,123)
 #define BLKDISCARDZEROES _IO(0x12,124)
 #define BLKSECDISCARD _IO(0x12,125)
 #define BLKROTATIONAL _IO(0x12,126)
 #define BLKZEROOUT _IO(0x12,127)

 #define BMAP_IOCTL 1		/* obsolete - kept for compatibility */
 #define FIBMAP	   _IO(0x00,1)	/* bmap access */
 #define FIGETBSZ   _IO(0x00,2)	/* get the block size used for bmap */
 #define FIFREEZE	_IOWR('X', 119, int)	/* Freeze */
 #define FITHAW		_IOWR('X', 120, int)	/* Thaw */
 #define FITRIM		_IOWR('X', 121, struct fstrim_range)	/* Trim */

 #define	FS_IOC_GETFLAGS			_IOR('f', 1, long)
 #define	FS_IOC_SETFLAGS			_IOW('f', 2, long)
 #define	FS_IOC_GETVERSION		_IOR('v', 1, long)
 #define	FS_IOC_SETVERSION		_IOW('v', 2, long)
 #define FS_IOC_FIEMAP			_IOWR('f', 11, struct fiemap)
 #define FS_IOC32_GETFLAGS		_IOR('f', 1, int)
 #define FS_IOC32_SETFLAGS		_IOW('f', 2, int)
 #define FS_IOC32_GETVERSION		_IOR('v', 1, int)
 #define FS_IOC32_SETVERSION		_IOW('v', 2, int)

 /*
  * Inode flags (FS_IOC_GETFLAGS / FS_IOC_SETFLAGS)
  */
 #define	FS_SECRM_FL			0x00000001 /* Secure deletion */
 #define	FS_UNRM_FL			0x00000002 /* Undelete */
 #define	FS_COMPR_FL			0x00000004 /* Compress file */
 #define FS_SYNC_FL			0x00000008 /* Synchronous updates */
 #define FS_IMMUTABLE_FL			0x00000010 /* Immutable file */
 #define FS_APPEND_FL			0x00000020 /* writes to file may only append */
 #define FS_NODUMP_FL			0x00000040 /* do not dump file */
 #define FS_NOATIME_FL			0x00000080 /* do not update atime */
 /* Reserved for compression usage... */
 #define FS_DIRTY_FL			0x00000100
 #define FS_COMPRBLK_FL			0x00000200 /* One or more compressed clusters */
 #define FS_NOCOMP_FL			0x00000400 /* Don't compress */
 #define FS_ECOMPR_FL			0x00000800 /* Compression error */
 /* End compression flags --- maybe not all used */
 #define FS_BTREE_FL			0x00001000 /* btree format dir */
 #define FS_INDEX_FL			0x00001000 /* hash-indexed directory */
 #define FS_IMAGIC_FL			0x00002000 /* AFS directory */
 #define FS_JOURNAL_DATA_FL		0x00004000 /* Reserved for ext3 */
 #define FS_NOTAIL_FL			0x00008000 /* file tail should not be merged */
 #define FS_DIRSYNC_FL			0x00010000 /* dirsync behaviour (directories only) */
 #define FS_TOPDIR_FL			0x00020000 /* Top of directory hierarchies*/
 #define FS_EXTENT_FL			0x00080000 /* Extents */
 #define FS_DIRECTIO_FL			0x00100000 /* Use direct i/o */
 #define FS_NOCOW_FL			0x00800000 /* Do not cow file */
 #define FS_RESERVED_FL			0x80000000 /* reserved for ext2 lib */

 #define FS_FL_USER_VISIBLE		0x0003DFFF /* User visible flags */
 #define FS_FL_USER_MODIFIABLE		0x000380FF /* User modifiable flags */


 #define SYNC_FILE_RANGE_WAIT_BEFORE	1
 #define SYNC_FILE_RANGE_WRITE		2
 #define SYNC_FILE_RANGE_WAIT_AFTER	4

 #endif /* _UAPI_LINUX_FS_H */
	#ifndef _UAPI_LINUX_FS_H
	#define _UAPI_LINUX_FS_H

	/*
	* This file has definitions for some important file table
	* structures etc.
	*/

	#include <linux/limits.h>
	#include <linux/ioctl.h>
	#include <linux/types.h>

	/*
	* It's silly to have NR_OPEN bigger than NR_FILE, but you can change
	* the file limit at runtime and only root can increase the per-process
	* nr_file rlimit, so it's safe to set up a ridiculously high absolute
	* upper limit on files-per-process.
	*
	* Some programs (notably those using select()) may have to be
	* recompiled to take full advantage of the new limits..
	*/

	/* Fixed constants first: */
	#undef NR_OPEN
	#define INR_OPEN_CUR 1024 /* Initial setting for nfile rlimits */
	#define INR_OPEN_MAX 4096 /* Hard limit for nfile rlimits */

	#define BLOCK_SIZE_BITS 10
	#define BLOCK_SIZE (1<<BLOCK_SIZE_BITS)

	#define SEEK_SET 0 /* seek relative to beginning of file */
	#define SEEK_CUR 1 /* seek relative to current file position */
	#define SEEK_END 2 /* seek relative to end of file */
	#define SEEK_DATA 3 /* seek to the next data */
	#define SEEK_HOLE 4 /* seek to the next hole */
	#define SEEK_MAX SEEK_HOLE

	struct fstrim_range {
	__u64 start;
	__u64 len;
	__u64 minlen;
	};

	/* And dynamically-tunable limits and defaults: */
	struct files_stat_struct {
	unsigned long nr_files; /* read only */
	unsigned long nr_free_files; /* read only */
	unsigned long max_files; /* tunable */
	};

	struct inodes_stat_t {
	int nr_inodes;
	int nr_unused;
	int dummy[5]; /* padding for sysctl ABI compatibility */
	};


	#define NR_FILE 8192 /* this can well be larger on a larger system */

	#define MAY_EXEC 0x00000001
	#define MAY_WRITE 0x00000002
	#define MAY_READ 0x00000004
	#define MAY_APPEND 0x00000008
	#define MAY_ACCESS 0x00000010
	#define MAY_OPEN 0x00000020
	#define MAY_CHDIR 0x00000040
	/* called from RCU mode, don't block */
	#define MAY_NOT_BLOCK 0x00000080

	/*
	* flags in file.f_mode. Note that FMODE_READ and FMODE_WRITE must correspond
	* to O_WRONLY and O_RDWR via the strange trick in __dentry_open()
	*/

	/* file is open for reading */
	#define FMODE_READ ((__force fmode_t)0x1)
	/* file is open for writing */
	#define FMODE_WRITE ((__force fmode_t)0x2)
	/* file is seekable */
	#define FMODE_LSEEK ((__force fmode_t)0x4)
	/* file can be accessed using pread */
	#define FMODE_PREAD ((__force fmode_t)0x8)
	/* file can be accessed using pwrite */
	#define FMODE_PWRITE ((__force fmode_t)0x10)
	/* File is opened for execution with sys_execve / sys_uselib */
	#define FMODE_EXEC ((__force fmode_t)0x20)
	/* File is opened with O_NDELAY (only set for block devices) */
	#define FMODE_NDELAY ((__force fmode_t)0x40)
	/* File is opened with O_EXCL (only set for block devices) */
	#define FMODE_EXCL ((__force fmode_t)0x80)
	/* File is opened using open(.., 3, ..) and is writeable only for ioctls
	(specialy hack for floppy.c) */
	#define FMODE_WRITE_IOCTL ((__force fmode_t)0x100)
	/* 32bit hashes as llseek() offset (for directories) */
	#define FMODE_32BITHASH ((__force fmode_t)0x200)
	/* 64bit hashes as llseek() offset (for directories) */
	#define FMODE_64BITHASH ((__force fmode_t)0x400)

	/*
	* Don't update ctime and mtime.
	*
	* Currently a special hack for the XFS open_by_handle ioctl, but we'll
	* hopefully graduate it to a proper O_CMTIME flag supported by open(2) soon.
	*/
	#define FMODE_NOCMTIME ((__force fmode_t)0x800)

	/* Expect random access pattern */
	#define FMODE_RANDOM ((__force fmode_t)0x1000)

	/* File is huge (eg. /dev/kmem): treat loff_t as unsigned */
	#define FMODE_UNSIGNED_OFFSET ((__force fmode_t)0x2000)

	/* File is opened with O_PATH; almost nothing can be done with it */
	#define FMODE_PATH ((__force fmode_t)0x4000)

	/* File was opened by fanotify and shouldn't generate fanotify events */
	#define FMODE_NONOTIFY ((__force fmode_t)0x1000000)

	/*
	* Flag for rw_copy_check_uvector and compat_rw_copy_check_uvector
	* that indicates that they should check the contents of the iovec are
	* valid, but not check the memory that the iovec elements
	* points too.
	*/
	#define CHECK_IOVEC_ONLY -1

	#define SEL_IN 1
	#define SEL_OUT 2
	#define SEL_EX 4

	/* public flags for file_system_type */
	#define FS_REQUIRES_DEV 1
	#define FS_BINARY_MOUNTDATA 2
	#define FS_HAS_SUBTYPE 4
	#define FS_REVAL_DOT 16384 /* Check the paths ".", ".." for staleness */
	#define FS_RENAME_DOES_D_MOVE 32768 /* FS will handle d_move()
	* during rename() internally.
	*/

	/*
	* These are the fs-independent mount-flags: up to 32 flags are supported
	*/
	#define MS_RDONLY 1 /* Mount read-only */
	#define MS_NOSUID 2 /* Ignore suid and sgid bits */
	#define MS_NODEV 4 /* Disallow access to device special files */
	#define MS_NOEXEC 8 /* Disallow program execution */
	#define MS_SYNCHRONOUS 16 /* Writes are synced at once */
	#define MS_REMOUNT 32 /* Alter flags of a mounted FS */
	#define MS_MANDLOCK 64 /* Allow mandatory locks on an FS */
	#define MS_DIRSYNC 128 /* Directory modifications are synchronous */
	#define MS_NOATIME 1024 /* Do not update access times. */
	#define MS_NODIRATIME 2048 /* Do not update directory access times */
	#define MS_BIND 4096
	#define MS_MOVE 8192
	#define MS_REC 16384
	#define MS_VERBOSE 32768 /* War is peace. Verbosity is silence.
	MS_VERBOSE is deprecated. */
	#define MS_SILENT 32768
	#define MS_POSIXACL (1<<16) /* VFS does not apply the umask */
	#define MS_UNBINDABLE (1<<17) /* change to unbindable */
	#define MS_PRIVATE (1<<18) /* change to private */
	#define MS_SLAVE (1<<19) /* change to slave */
	#define MS_SHARED (1<<20) /* change to shared */
	#define MS_RELATIME (1<<21) /* Update atime relative to mtime/ctime. */
	#define MS_KERNMOUNT (1<<22) /* this is a kern_mount call */
	#define MS_I_VERSION (1<<23) /* Update inode I_version field */
	#define MS_STRICTATIME (1<<24) /* Always perform atime updates */
	#define MS_NOSEC (1<<28)
	#define MS_BORN (1<<29)
	#define MS_ACTIVE (1<<30)
	#define MS_NOUSER (1<<31)

	/*
	* Superblock flags that can be altered by MS_REMOUNT
	*/
	#define MS_RMT_MASK (MS_RDONLY\|MS_SYNCHRONOUS\|MS_MANDLOCK\|MS_I_VERSION)

	/*
	* Old magic mount flag and mask
	*/
	#define MS_MGC_VAL 0xC0ED0000
	#define MS_MGC_MSK 0xffff0000

	/* Inode flags - they have nothing to superblock flags now */

	#define S_SYNC 1 /* Writes are synced at once */
	#define S_NOATIME 2 /* Do not update access times */
	#define S_APPEND 4 /* Append-only file */
	#define S_IMMUTABLE 8 /* Immutable file */
	#define S_DEAD 16 /* removed, but still open directory */
	#define S_NOQUOTA 32 /* Inode is not counted to quota */
	#define S_DIRSYNC 64 /* Directory modifications are synchronous */
	#define S_NOCMTIME 128 /* Do not update file c/mtime */
	#define S_SWAPFILE 256 /* Do not truncate: swapon got its bmaps */
	#define S_PRIVATE 512 /* Inode is fs-internal */
	#define S_IMA 1024 /* Inode has an associated IMA struct */
	#define S_AUTOMOUNT 2048 /* Automount/referral quasi-directory */
	#define S_NOSEC 4096 /* no suid or xattr security attributes */

	/*
	* Note that nosuid etc flags are inode-specific: setting some file-system
	* flags just means all the inodes inherit those flags by default. It might be
	* possible to override it selectively if you really wanted to with some
	* ioctl() that is not currently implemented.
	*
	* Exception: MS_RDONLY is always applied to the entire file system.
	*
	* Unfortunately, it is possible to change a filesystems flags with it mounted
	* with files in use. This means that all of the inodes will not have their
	* i_flags updated. Hence, i_flags no longer inherit the superblock mount
	* flags, so these have to be checked separately. -- rmk@arm.uk.linux.org
	*/
	#define __IS_FLG(inode,flg) ((inode)->i_sb->s_flags & (flg))

	#define IS_RDONLY(inode) ((inode)->i_sb->s_flags & MS_RDONLY)
	#define IS_SYNC(inode) (__IS_FLG(inode, MS_SYNCHRONOUS) \|\| \
	((inode)->i_flags & S_SYNC))
	#define IS_DIRSYNC(inode) (__IS_FLG(inode, MS_SYNCHRONOUS\|MS_DIRSYNC) \|\| \
	((inode)->i_flags & (S_SYNC\|S_DIRSYNC)))
	#define IS_MANDLOCK(inode) __IS_FLG(inode, MS_MANDLOCK)
	#define IS_NOATIME(inode) __IS_FLG(inode, MS_RDONLY\|MS_NOATIME)
	#define IS_I_VERSION(inode) __IS_FLG(inode, MS_I_VERSION)

	#define IS_NOQUOTA(inode) ((inode)->i_flags & S_NOQUOTA)
	#define IS_APPEND(inode) ((inode)->i_flags & S_APPEND)
	#define IS_IMMUTABLE(inode) ((inode)->i_flags & S_IMMUTABLE)
	#define IS_POSIXACL(inode) __IS_FLG(inode, MS_POSIXACL)

	#define IS_DEADDIR(inode) ((inode)->i_flags & S_DEAD)
	#define IS_NOCMTIME(inode) ((inode)->i_flags & S_NOCMTIME)
	#define IS_SWAPFILE(inode) ((inode)->i_flags & S_SWAPFILE)
	#define IS_PRIVATE(inode) ((inode)->i_flags & S_PRIVATE)
	#define IS_IMA(inode) ((inode)->i_flags & S_IMA)
	#define IS_AUTOMOUNT(inode) ((inode)->i_flags & S_AUTOMOUNT)
	#define IS_NOSEC(inode) ((inode)->i_flags & S_NOSEC)

	/* the read-only stuff doesn't really belong here, but any other place is
	probably as bad and I don't want to create yet another include file. */

	#define BLKROSET _IO(0x12,93) /* set device read-only (0 = read-write) */
	#define BLKROGET _IO(0x12,94) /* get read-only status (0 = read_write) */
	#define BLKRRPART _IO(0x12,95) /* re-read partition table */
	#define BLKGETSIZE _IO(0x12,96) /* return device size /512 (long arg) /
	#define BLKFLSBUF _IO(0x12,97) /* flush buffer cache */
	#define BLKRASET _IO(0x12,98) /* set read ahead for block device */
	#define BLKRAGET _IO(0x12,99) /* get current read ahead setting */
	#define BLKFRASET _IO(0x12,100)/* set filesystem (mm/filemap.c) read-ahead */
	#define BLKFRAGET _IO(0x12,101)/* get filesystem (mm/filemap.c) read-ahead */
	#define BLKSECTSET _IO(0x12,102)/* set max sectors per request (ll_rw_blk.c) */
	#define BLKSECTGET _IO(0x12,103)/* get max sectors per request (ll_rw_blk.c) */
	#define BLKSSZGET _IO(0x12,104)/* get block device sector size */
	#if 0
	#define BLKPG _IO(0x12,105)/* See blkpg.h */

	/* Some people are morons. Do not use sizeof! */

	#define BLKELVGET _IOR(0x12,106,size_t)/* elevator get */
	#define BLKELVSET _IOW(0x12,107,size_t)/* elevator set */
	/* This was here just to show that the number is taken -
	probably all these _IO(0x12,) ioctls should be moved to blkpg.h. /
	#endif
	/* A jump here: 108-111 have been used for various private purposes. */
	#define BLKBSZGET _IOR(0x12,112,size_t)
	#define BLKBSZSET _IOW(0x12,113,size_t)
	#define BLKGETSIZE64 _IOR(0x12,114,size_t) /* return device size in bytes (u64 arg) /
	#define BLKTRACESETUP _IOWR(0x12,115,struct blk_user_trace_setup)
	#define BLKTRACESTART _IO(0x12,116)
	#define BLKTRACESTOP _IO(0x12,117)
	#define BLKTRACETEARDOWN _IO(0x12,118)
	#define BLKDISCARD _IO(0x12,119)
	#define BLKIOMIN _IO(0x12,120)
	#define BLKIOOPT _IO(0x12,121)
	#define BLKALIGNOFF _IO(0x12,122)
	#define BLKPBSZGET _IO(0x12,123)
	#define BLKDISCARDZEROES _IO(0x12,124)
	#define BLKSECDISCARD _IO(0x12,125)
	#define BLKROTATIONAL _IO(0x12,126)
	#define BLKZEROOUT _IO(0x12,127)

	#define BMAP_IOCTL 1 /* obsolete - kept for compatibility */
	#define FIBMAP _IO(0x00,1) /* bmap access */
	#define FIGETBSZ _IO(0x00,2) /* get the block size used for bmap */
	#define FIFREEZE _IOWR('X', 119, int) /* Freeze */
	#define FITHAW _IOWR('X', 120, int) /* Thaw */
	#define FITRIM _IOWR('X', 121, struct fstrim_range) /* Trim */

	#define FS_IOC_GETFLAGS _IOR('f', 1, long)
	#define FS_IOC_SETFLAGS _IOW('f', 2, long)
	#define FS_IOC_GETVERSION _IOR('v', 1, long)
	#define FS_IOC_SETVERSION _IOW('v', 2, long)
	#define FS_IOC_FIEMAP _IOWR('f', 11, struct fiemap)
	#define FS_IOC32_GETFLAGS _IOR('f', 1, int)
	#define FS_IOC32_SETFLAGS _IOW('f', 2, int)
	#define FS_IOC32_GETVERSION _IOR('v', 1, int)
	#define FS_IOC32_SETVERSION _IOW('v', 2, int)

	/*
	* Inode flags (FS_IOC_GETFLAGS / FS_IOC_SETFLAGS)
	*/
	#define FS_SECRM_FL 0x00000001 /* Secure deletion */
	#define FS_UNRM_FL 0x00000002 /* Undelete */
	#define FS_COMPR_FL 0x00000004 /* Compress file */
	#define FS_SYNC_FL 0x00000008 /* Synchronous updates */
	#define FS_IMMUTABLE_FL 0x00000010 /* Immutable file */
	#define FS_APPEND_FL 0x00000020 /* writes to file may only append */
	#define FS_NODUMP_FL 0x00000040 /* do not dump file */
	#define FS_NOATIME_FL 0x00000080 /* do not update atime */
	/* Reserved for compression usage... */
	#define FS_DIRTY_FL 0x00000100
	#define FS_COMPRBLK_FL 0x00000200 /* One or more compressed clusters */
	#define FS_NOCOMP_FL 0x00000400 /* Don't compress */
	#define FS_ECOMPR_FL 0x00000800 /* Compression error */
	/* End compression flags --- maybe not all used */
	#define FS_BTREE_FL 0x00001000 /* btree format dir */
	#define FS_INDEX_FL 0x00001000 /* hash-indexed directory */
	#define FS_IMAGIC_FL 0x00002000 /* AFS directory */
	#define FS_JOURNAL_DATA_FL 0x00004000 /* Reserved for ext3 */
	#define FS_NOTAIL_FL 0x00008000 /* file tail should not be merged */
	#define FS_DIRSYNC_FL 0x00010000 /* dirsync behaviour (directories only) */
	#define FS_TOPDIR_FL 0x00020000 /* Top of directory hierarchies*/
	#define FS_EXTENT_FL 0x00080000 /* Extents */
	#define FS_DIRECTIO_FL 0x00100000 /* Use direct i/o */
	#define FS_NOCOW_FL 0x00800000 /* Do not cow file */
	#define FS_RESERVED_FL 0x80000000 /* reserved for ext2 lib */

	#define FS_FL_USER_VISIBLE 0x0003DFFF /* User visible flags */
	#define FS_FL_USER_MODIFIABLE 0x000380FF /* User modifiable flags */


	#define SYNC_FILE_RANGE_WAIT_BEFORE 1
	#define SYNC_FILE_RANGE_WRITE 2
	#define SYNC_FILE_RANGE_WAIT_AFTER 4

	#endif /* _UAPI_LINUX_FS_H */