1224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#ifndef _UAPI_LINUX_FS_H 2224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define _UAPI_LINUX_FS_H 3224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 4224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng/* 5224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * This file has definitions for some important file table 6224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * structures etc. 7224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng */ 8224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 9224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#include <linux/limits.h> 10224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#include <linux/ioctl.h> 11224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#include <linux/types.h> 12224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 13224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng/* 14224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * It's silly to have NR_OPEN bigger than NR_FILE, but you can change 15224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * the file limit at runtime and only root can increase the per-process 16224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * nr_file rlimit, so it's safe to set up a ridiculously high absolute 17224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * upper limit on files-per-process. 18224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * 19224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * Some programs (notably those using select()) may have to be 20224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * recompiled to take full advantage of the new limits.. 21224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng */ 22224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 23224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng/* Fixed constants first: */ 24224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#undef NR_OPEN 25224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define INR_OPEN_CUR 1024 /* Initial setting for nfile rlimits */ 26224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define INR_OPEN_MAX 4096 /* Hard limit for nfile rlimits */ 27224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 28224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define BLOCK_SIZE_BITS 10 29224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define BLOCK_SIZE (1<<BLOCK_SIZE_BITS) 30224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 31224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SEEK_SET 0 /* seek relative to beginning of file */ 32224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SEEK_CUR 1 /* seek relative to current file position */ 33224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SEEK_END 2 /* seek relative to end of file */ 34224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SEEK_DATA 3 /* seek to the next data */ 35224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SEEK_HOLE 4 /* seek to the next hole */ 36224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SEEK_MAX SEEK_HOLE 37224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 38314752488cb92b9f86028836d0b8eabd8acb6a7cChristopher Ferris#define RENAME_NOREPLACE (1 << 0) /* Don't overwrite target */ 39314752488cb92b9f86028836d0b8eabd8acb6a7cChristopher Ferris#define RENAME_EXCHANGE (1 << 1) /* Exchange source and dest */ 407c0b639731767acd9b3788628d81174c641fa6b9Christopher Ferris#define RENAME_WHITEOUT (1 << 2) /* Whiteout source */ 41314752488cb92b9f86028836d0b8eabd8acb6a7cChristopher Ferris 42224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Chengstruct fstrim_range { 43224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng __u64 start; 44224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng __u64 len; 45224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng __u64 minlen; 46224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng}; 47224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 48224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng/* And dynamically-tunable limits and defaults: */ 49224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Chengstruct files_stat_struct { 50224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng unsigned long nr_files; /* read only */ 51224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng unsigned long nr_free_files; /* read only */ 52224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng unsigned long max_files; /* tunable */ 53224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng}; 54224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 55224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Chengstruct inodes_stat_t { 56e084501669a4e4931c9d648351ecd7d595b81b79Christopher Ferris long nr_inodes; 57e084501669a4e4931c9d648351ecd7d595b81b79Christopher Ferris long nr_unused; 58e084501669a4e4931c9d648351ecd7d595b81b79Christopher Ferris long dummy[5]; /* padding for sysctl ABI compatibility */ 59224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng}; 60224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 61224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 62224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define NR_FILE 8192 /* this can well be larger on a larger system */ 63224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 64224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 65224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng/* 66224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * These are the fs-independent mount-flags: up to 32 flags are supported 67224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng */ 68224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define MS_RDONLY 1 /* Mount read-only */ 69224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define MS_NOSUID 2 /* Ignore suid and sgid bits */ 70224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define MS_NODEV 4 /* Disallow access to device special files */ 71224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define MS_NOEXEC 8 /* Disallow program execution */ 72224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define MS_SYNCHRONOUS 16 /* Writes are synced at once */ 73224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define MS_REMOUNT 32 /* Alter flags of a mounted FS */ 74224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define MS_MANDLOCK 64 /* Allow mandatory locks on an FS */ 75224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define MS_DIRSYNC 128 /* Directory modifications are synchronous */ 76224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define MS_NOATIME 1024 /* Do not update access times. */ 77224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define MS_NODIRATIME 2048 /* Do not update directory access times */ 78224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define MS_BIND 4096 79224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define MS_MOVE 8192 80224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define MS_REC 16384 81224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define MS_VERBOSE 32768 /* War is peace. Verbosity is silence. 82224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng MS_VERBOSE is deprecated. */ 83224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define MS_SILENT 32768 84224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define MS_POSIXACL (1<<16) /* VFS does not apply the umask */ 85224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define MS_UNBINDABLE (1<<17) /* change to unbindable */ 86224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define MS_PRIVATE (1<<18) /* change to private */ 87224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define MS_SLAVE (1<<19) /* change to slave */ 88224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define MS_SHARED (1<<20) /* change to shared */ 89224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define MS_RELATIME (1<<21) /* Update atime relative to mtime/ctime. */ 90224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define MS_KERNMOUNT (1<<22) /* this is a kern_mount call */ 91224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define MS_I_VERSION (1<<23) /* Update inode I_version field */ 92224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define MS_STRICTATIME (1<<24) /* Always perform atime updates */ 9312e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris#define MS_LAZYTIME (1<<25) /* Update the on-disk [acm]times lazily */ 94224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 95224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng/* These sb flags are internal to the kernel */ 96224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define MS_NOSEC (1<<28) 97224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define MS_BORN (1<<29) 98224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define MS_ACTIVE (1<<30) 99224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define MS_NOUSER (1<<31) 100224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 101224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng/* 102224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * Superblock flags that can be altered by MS_REMOUNT 103224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng */ 10412e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris#define MS_RMT_MASK (MS_RDONLY|MS_SYNCHRONOUS|MS_MANDLOCK|MS_I_VERSION|\ 10512e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris MS_LAZYTIME) 106224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 107224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng/* 108224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * Old magic mount flag and mask 109224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng */ 110224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define MS_MGC_VAL 0xC0ED0000 111224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define MS_MGC_MSK 0xffff0000 112224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 113224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng/* the read-only stuff doesn't really belong here, but any other place is 114224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng probably as bad and I don't want to create yet another include file. */ 115224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 116224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define BLKROSET _IO(0x12,93) /* set device read-only (0 = read-write) */ 117224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define BLKROGET _IO(0x12,94) /* get read-only status (0 = read_write) */ 118224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define BLKRRPART _IO(0x12,95) /* re-read partition table */ 119224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define BLKGETSIZE _IO(0x12,96) /* return device size /512 (long *arg) */ 120224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define BLKFLSBUF _IO(0x12,97) /* flush buffer cache */ 121224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define BLKRASET _IO(0x12,98) /* set read ahead for block device */ 122224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define BLKRAGET _IO(0x12,99) /* get current read ahead setting */ 123224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define BLKFRASET _IO(0x12,100)/* set filesystem (mm/filemap.c) read-ahead */ 124224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define BLKFRAGET _IO(0x12,101)/* get filesystem (mm/filemap.c) read-ahead */ 125224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define BLKSECTSET _IO(0x12,102)/* set max sectors per request (ll_rw_blk.c) */ 126224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define BLKSECTGET _IO(0x12,103)/* get max sectors per request (ll_rw_blk.c) */ 127224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define BLKSSZGET _IO(0x12,104)/* get block device sector size */ 128224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#if 0 129224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define BLKPG _IO(0x12,105)/* See blkpg.h */ 130224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 131224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng/* Some people are morons. Do not use sizeof! */ 132224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 133224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define BLKELVGET _IOR(0x12,106,size_t)/* elevator get */ 134224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define BLKELVSET _IOW(0x12,107,size_t)/* elevator set */ 135224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng/* This was here just to show that the number is taken - 136224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng probably all these _IO(0x12,*) ioctls should be moved to blkpg.h. */ 137224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#endif 138224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng/* A jump here: 108-111 have been used for various private purposes. */ 139224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define BLKBSZGET _IOR(0x12,112,size_t) 140224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define BLKBSZSET _IOW(0x12,113,size_t) 141224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define BLKGETSIZE64 _IOR(0x12,114,size_t) /* return device size in bytes (u64 *arg) */ 142224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define BLKTRACESETUP _IOWR(0x12,115,struct blk_user_trace_setup) 143224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define BLKTRACESTART _IO(0x12,116) 144224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define BLKTRACESTOP _IO(0x12,117) 145224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define BLKTRACETEARDOWN _IO(0x12,118) 146224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define BLKDISCARD _IO(0x12,119) 147224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define BLKIOMIN _IO(0x12,120) 148224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define BLKIOOPT _IO(0x12,121) 149224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define BLKALIGNOFF _IO(0x12,122) 150224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define BLKPBSZGET _IO(0x12,123) 151224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define BLKDISCARDZEROES _IO(0x12,124) 152224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define BLKSECDISCARD _IO(0x12,125) 153224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define BLKROTATIONAL _IO(0x12,126) 154224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define BLKZEROOUT _IO(0x12,127) 155224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 156224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define BMAP_IOCTL 1 /* obsolete - kept for compatibility */ 157224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define FIBMAP _IO(0x00,1) /* bmap access */ 158224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define FIGETBSZ _IO(0x00,2) /* get the block size used for bmap */ 159224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define FIFREEZE _IOWR('X', 119, int) /* Freeze */ 160224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define FITHAW _IOWR('X', 120, int) /* Thaw */ 161224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define FITRIM _IOWR('X', 121, struct fstrim_range) /* Trim */ 162224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 163224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define FS_IOC_GETFLAGS _IOR('f', 1, long) 164224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define FS_IOC_SETFLAGS _IOW('f', 2, long) 165224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define FS_IOC_GETVERSION _IOR('v', 1, long) 166224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define FS_IOC_SETVERSION _IOW('v', 2, long) 167224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define FS_IOC_FIEMAP _IOWR('f', 11, struct fiemap) 168224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define FS_IOC32_GETFLAGS _IOR('f', 1, int) 169224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define FS_IOC32_SETFLAGS _IOW('f', 2, int) 170224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define FS_IOC32_GETVERSION _IOR('v', 1, int) 171224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define FS_IOC32_SETVERSION _IOW('v', 2, int) 172224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 173224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng/* 174224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * Inode flags (FS_IOC_GETFLAGS / FS_IOC_SETFLAGS) 175224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng */ 176224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define FS_SECRM_FL 0x00000001 /* Secure deletion */ 177224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define FS_UNRM_FL 0x00000002 /* Undelete */ 178224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define FS_COMPR_FL 0x00000004 /* Compress file */ 179224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define FS_SYNC_FL 0x00000008 /* Synchronous updates */ 180224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define FS_IMMUTABLE_FL 0x00000010 /* Immutable file */ 181224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define FS_APPEND_FL 0x00000020 /* writes to file may only append */ 182224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define FS_NODUMP_FL 0x00000040 /* do not dump file */ 183224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define FS_NOATIME_FL 0x00000080 /* do not update atime */ 184224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng/* Reserved for compression usage... */ 185224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define FS_DIRTY_FL 0x00000100 186224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define FS_COMPRBLK_FL 0x00000200 /* One or more compressed clusters */ 187224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define FS_NOCOMP_FL 0x00000400 /* Don't compress */ 188224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define FS_ECOMPR_FL 0x00000800 /* Compression error */ 189224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng/* End compression flags --- maybe not all used */ 190224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define FS_BTREE_FL 0x00001000 /* btree format dir */ 191224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define FS_INDEX_FL 0x00001000 /* hash-indexed directory */ 192224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define FS_IMAGIC_FL 0x00002000 /* AFS directory */ 193224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define FS_JOURNAL_DATA_FL 0x00004000 /* Reserved for ext3 */ 194224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define FS_NOTAIL_FL 0x00008000 /* file tail should not be merged */ 195224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define FS_DIRSYNC_FL 0x00010000 /* dirsync behaviour (directories only) */ 196224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define FS_TOPDIR_FL 0x00020000 /* Top of directory hierarchies*/ 197224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define FS_EXTENT_FL 0x00080000 /* Extents */ 198224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define FS_DIRECTIO_FL 0x00100000 /* Use direct i/o */ 199224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define FS_NOCOW_FL 0x00800000 /* Do not cow file */ 20012e1f28cce28271eb109a5bae818a804f0c3bb27Christopher Ferris#define FS_PROJINHERIT_FL 0x20000000 /* Create with parents projid */ 201224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define FS_RESERVED_FL 0x80000000 /* reserved for ext2 lib */ 202224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 203224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define FS_FL_USER_VISIBLE 0x0003DFFF /* User visible flags */ 204224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define FS_FL_USER_MODIFIABLE 0x000380FF /* User modifiable flags */ 205224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 206224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 207224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SYNC_FILE_RANGE_WAIT_BEFORE 1 208224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SYNC_FILE_RANGE_WRITE 2 209224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define SYNC_FILE_RANGE_WAIT_AFTER 4 210224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 211224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#endif /* _UAPI_LINUX_FS_H */ 212