+++ /dev/null
-#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 */
-
-
-/*
- * 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 */
-
-/* These sb flags are internal to the kernel */
-#define MS_SNAP_STABLE (1<<27) /* Snapshot pages during writeback, if needed */
-#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
-
-/* 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 */
projects / thirdparty / iproute2.git / commitdiff
