R1 LovePara: app-server stack, on-target C dev, new NIC support
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1376 changed files with 262659 additions and 28 deletions
331
board/mentalnet/overlay/usr/include/sys/mount.h
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331
board/mentalnet/overlay/usr/include/sys/mount.h
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/* Header file for mounting/unmount Linux filesystems.
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Copyright (C) 1996-2025 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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/* This is taken from /usr/include/linux/fs.h. */
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#ifndef _SYS_MOUNT_H
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#define _SYS_MOUNT_H 1
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#include <features.h>
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#include <stdint.h>
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#include <stddef.h>
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#include <sys/ioctl.h>
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#ifdef __has_include
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# if __has_include ("linux/mount.h")
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# include "linux/mount.h"
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# endif
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#endif
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#define BLOCK_SIZE_BITS 10
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#define BLOCK_SIZE (1<<BLOCK_SIZE_BITS)
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/* These are the fs-independent mount-flags: up to 16 flags are
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supported */
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enum
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{
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#undef MS_RDONLY
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MS_RDONLY = 1, /* Mount read-only. */
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#define MS_RDONLY MS_RDONLY
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#undef MS_NOSUID
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MS_NOSUID = 2, /* Ignore suid and sgid bits. */
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#define MS_NOSUID MS_NOSUID
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#undef MS_NODEV
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MS_NODEV = 4, /* Disallow access to device special files. */
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#define MS_NODEV MS_NODEV
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#undef MS_NOEXEC
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MS_NOEXEC = 8, /* Disallow program execution. */
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#define MS_NOEXEC MS_NOEXEC
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#undef MS_SYNCHRONOUS
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MS_SYNCHRONOUS = 16, /* Writes are synced at once. */
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#define MS_SYNCHRONOUS MS_SYNCHRONOUS
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#undef MS_REMOUNT
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MS_REMOUNT = 32, /* Alter flags of a mounted FS. */
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#define MS_REMOUNT MS_REMOUNT
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#undef MS_MANDLOCK
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MS_MANDLOCK = 64, /* Allow mandatory locks on an FS. */
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#define MS_MANDLOCK MS_MANDLOCK
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#undef MS_DIRSYNC
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MS_DIRSYNC = 128, /* Directory modifications are synchronous. */
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#define MS_DIRSYNC MS_DIRSYNC
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#undef MS_NOSYMFOLLOW
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MS_NOSYMFOLLOW = 256, /* Do not follow symlinks. */
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#define MS_NOSYMFOLLOW MS_NOSYMFOLLOW
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#undef MS_NOATIME
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MS_NOATIME = 1024, /* Do not update access times. */
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#define MS_NOATIME MS_NOATIME
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#undef MS_NODIRATIME
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MS_NODIRATIME = 2048, /* Do not update directory access times. */
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#define MS_NODIRATIME MS_NODIRATIME
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#undef MS_BIND
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MS_BIND = 4096, /* Bind directory at different place. */
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#define MS_BIND MS_BIND
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#undef MS_MOVE
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MS_MOVE = 8192,
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#define MS_MOVE MS_MOVE
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#undef MS_REC
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MS_REC = 16384,
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#define MS_REC MS_REC
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#undef MS_SILENT
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MS_SILENT = 32768,
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#define MS_SILENT MS_SILENT
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#undef MS_POSIXACL
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MS_POSIXACL = 1 << 16, /* VFS does not apply the umask. */
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#define MS_POSIXACL MS_POSIXACL
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#undef MS_UNBINDABLE
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MS_UNBINDABLE = 1 << 17, /* Change to unbindable. */
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#define MS_UNBINDABLE MS_UNBINDABLE
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#undef MS_PRIVATE
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MS_PRIVATE = 1 << 18, /* Change to private. */
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#define MS_PRIVATE MS_PRIVATE
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#undef MS_SLAVE
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MS_SLAVE = 1 << 19, /* Change to slave. */
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#define MS_SLAVE MS_SLAVE
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#undef MS_SHARED
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MS_SHARED = 1 << 20, /* Change to shared. */
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#define MS_SHARED MS_SHARED
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#undef MS_RELATIME
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MS_RELATIME = 1 << 21, /* Update atime relative to mtime/ctime. */
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#define MS_RELATIME MS_RELATIME
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#undef MS_KERNMOUNT
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MS_KERNMOUNT = 1 << 22, /* This is a kern_mount call. */
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#define MS_KERNMOUNT MS_KERNMOUNT
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#undef MS_I_VERSION
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MS_I_VERSION = 1 << 23, /* Update inode I_version field. */
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#define MS_I_VERSION MS_I_VERSION
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#undef MS_STRICTATIME
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MS_STRICTATIME = 1 << 24, /* Always perform atime updates. */
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#define MS_STRICTATIME MS_STRICTATIME
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#undef MS_LAZYTIME
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MS_LAZYTIME = 1 << 25, /* Update the on-disk [acm]times lazily. */
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#define MS_LAZYTIME MS_LAZYTIME
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#undef MS_ACTIVE
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MS_ACTIVE = 1 << 30,
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#define MS_ACTIVE MS_ACTIVE
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#undef MS_NOUSER
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MS_NOUSER = 1 << 31
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#define MS_NOUSER MS_NOUSER
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};
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/* Flags that can be altered by MS_REMOUNT */
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#undef MS_RMT_MASK
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#define MS_RMT_MASK (MS_RDONLY|MS_SYNCHRONOUS|MS_MANDLOCK|MS_I_VERSION \
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|MS_LAZYTIME)
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/* Magic mount flag number. Has to be or-ed to the flag values. */
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#undef MS_MGC_VAL
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#define MS_MGC_VAL 0xc0ed0000 /* Magic flag number to indicate "new" flags */
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#define MS_MGC_MSK 0xffff0000 /* Magic flag number mask */
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/* The read-only stuff doesn't really belong here, but any other place
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is probably as bad and I don't want to create yet another include
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file. */
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#undef BLKROSET
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#define BLKROSET _IO(0x12, 93) /* Set device read-only (0 = read-write). */
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#undef BLKROGET
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#define BLKROGET _IO(0x12, 94) /* Get read-only status (0 = read_write). */
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#undef BLKRRPART
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#define BLKRRPART _IO(0x12, 95) /* Re-read partition table. */
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#undef BLKGETSIZE
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#define BLKGETSIZE _IO(0x12, 96) /* Return device size. */
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#undef BLKFLSBUF
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#define BLKFLSBUF _IO(0x12, 97) /* Flush buffer cache. */
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#undef BLKRASET
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#define BLKRASET _IO(0x12, 98) /* Set read ahead for block device. */
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#undef BLKRAGET
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#define BLKRAGET _IO(0x12, 99) /* Get current read ahead setting. */
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#undef BLKFRASET
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#define BLKFRASET _IO(0x12,100) /* Set filesystem read-ahead. */
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#undef BLKFRAGET
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#define BLKFRAGET _IO(0x12,101) /* Get filesystem read-ahead. */
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#undef BLKSECTSET
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#define BLKSECTSET _IO(0x12,102) /* Set max sectors per request. */
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#undef BLKSECTGET
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#define BLKSECTGET _IO(0x12,103) /* Get max sectors per request. */
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#undef BLKSSZGET
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#define BLKSSZGET _IO(0x12,104) /* Get block device sector size. */
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#undef BLKBSZGET
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#define BLKBSZGET _IOR(0x12,112,size_t)
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#undef BLKBSZSET
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#define BLKBSZSET _IOW(0x12,113,size_t)
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#undef BLKGETSIZE64
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#define BLKGETSIZE64 _IOR(0x12,114,size_t) /* return device size. */
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/* Possible value for FLAGS parameter of `umount2'. */
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enum
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{
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MNT_FORCE = 1, /* Force unmounting. */
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#define MNT_FORCE MNT_FORCE
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MNT_DETACH = 2, /* Just detach from the tree. */
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#define MNT_DETACH MNT_DETACH
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MNT_EXPIRE = 4, /* Mark for expiry. */
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#define MNT_EXPIRE MNT_EXPIRE
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UMOUNT_NOFOLLOW = 8 /* Don't follow symlink on umount. */
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#define UMOUNT_NOFOLLOW UMOUNT_NOFOLLOW
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};
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/* fsmount flags. */
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#define FSMOUNT_CLOEXEC 0x00000001
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/* mount attributes used on fsmount. */
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#define MOUNT_ATTR_RDONLY 0x00000001 /* Mount read-only. */
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#define MOUNT_ATTR_NOSUID 0x00000002 /* Ignore suid and sgid bits. */
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#define MOUNT_ATTR_NODEV 0x00000004 /* Disallow access to device special files. */
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#define MOUNT_ATTR_NOEXEC 0x00000008 /* Disallow program execution. */
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#define MOUNT_ATTR__ATIME 0x00000070 /* Setting on how atime should be updated. */
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#define MOUNT_ATTR_RELATIME 0x00000000 /* - Update atime relative to mtime/ctime. */
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#define MOUNT_ATTR_NOATIME 0x00000010 /* - Do not update access times. */
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#define MOUNT_ATTR_STRICTATIME 0x00000020 /* - Always perform atime updates */
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#define MOUNT_ATTR_NODIRATIME 0x00000080 /* Do not update directory access times. */
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#define MOUNT_ATTR_IDMAP 0x00100000 /* Idmap mount to @userns_fd in struct mount_attr. */
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#define MOUNT_ATTR_NOSYMFOLLOW 0x00200000 /* Do not follow symlinks. */
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#ifndef MOUNT_ATTR_SIZE_VER0
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/* For mount_setattr. */
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struct mount_attr
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{
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uint64_t attr_set;
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uint64_t attr_clr;
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uint64_t propagation;
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uint64_t userns_fd;
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};
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#endif
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#define MOUNT_ATTR_SIZE_VER0 32 /* sizeof first published struct */
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/* move_mount flags. */
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#define MOVE_MOUNT_F_SYMLINKS 0x00000001 /* Follow symlinks on from path */
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#define MOVE_MOUNT_F_AUTOMOUNTS 0x00000002 /* Follow automounts on from path */
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#define MOVE_MOUNT_F_EMPTY_PATH 0x00000004 /* Empty from path permitted */
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#define MOVE_MOUNT_T_SYMLINKS 0x00000010 /* Follow symlinks on to path */
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#define MOVE_MOUNT_T_AUTOMOUNTS 0x00000020 /* Follow automounts on to path */
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#define MOVE_MOUNT_T_EMPTY_PATH 0x00000040 /* Empty to path permitted */
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#define MOVE_MOUNT_SET_GROUP 0x00000100 /* Set sharing group instead */
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#define MOVE_MOUNT_BENEATH 0x00000200 /* Mount beneath top mount */
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/* fspick flags. */
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#define FSPICK_CLOEXEC 0x00000001
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#define FSPICK_SYMLINK_NOFOLLOW 0x00000002
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#define FSPICK_NO_AUTOMOUNT 0x00000004
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#define FSPICK_EMPTY_PATH 0x00000008
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#ifndef FSOPEN_CLOEXEC
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/* The type of fsconfig call made. */
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enum fsconfig_command
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{
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FSCONFIG_SET_FLAG = 0, /* Set parameter, supplying no value */
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# define FSCONFIG_SET_FLAG FSCONFIG_SET_FLAG
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FSCONFIG_SET_STRING = 1, /* Set parameter, supplying a string value */
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# define FSCONFIG_SET_STRING FSCONFIG_SET_STRING
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FSCONFIG_SET_BINARY = 2, /* Set parameter, supplying a binary blob value */
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# define FSCONFIG_SET_BINARY FSCONFIG_SET_BINARY
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FSCONFIG_SET_PATH = 3, /* Set parameter, supplying an object by path */
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# define FSCONFIG_SET_PATH FSCONFIG_SET_PATH
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FSCONFIG_SET_PATH_EMPTY = 4, /* Set parameter, supplying an object by (empty) path */
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# define FSCONFIG_SET_PATH_EMPTY FSCONFIG_SET_PATH_EMPTY
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FSCONFIG_SET_FD = 5, /* Set parameter, supplying an object by fd */
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# define FSCONFIG_SET_FD FSCONFIG_SET_FD
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FSCONFIG_CMD_CREATE = 6, /* Invoke superblock creation */
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# define FSCONFIG_CMD_CREATE FSCONFIG_CMD_CREATE
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FSCONFIG_CMD_RECONFIGURE = 7, /* Invoke superblock reconfiguration */
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# define FSCONFIG_CMD_RECONFIGURE FSCONFIG_CMD_RECONFIGURE
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FSCONFIG_CMD_CREATE_EXCL = 8, /* Create new superblock, fail if reusing existing superblock */
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# define FSCONFIG_CMD_CREATE_EXCL FSCONFIG_CMD_CREATE_EXCL
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};
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#endif
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/* fsopen flags. */
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#define FSOPEN_CLOEXEC 0x00000001
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/* open_tree flags. */
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#ifndef OPEN_TREE_CLONE
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# define OPEN_TREE_CLONE 1 /* Clone the target tree and attach the clone */
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#endif
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#ifndef O_CLOEXEC
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# include <bits/cloexec.h>
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# define O_CLOEXEC __O_CLOEXEC
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#endif
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#ifndef OPEN_TREE_CLOEXEC
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# define OPEN_TREE_CLOEXEC O_CLOEXEC /* Close the file on execve() */
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#endif
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__BEGIN_DECLS
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/* Mount a filesystem. */
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extern int mount (const char *__special_file, const char *__dir,
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const char *__fstype, unsigned long int __rwflag,
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const void *__data) __THROW;
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/* Unmount a filesystem. */
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extern int umount (const char *__special_file) __THROW;
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/* Unmount a filesystem. Force unmounting if FLAGS is set to MNT_FORCE. */
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extern int umount2 (const char *__special_file, int __flags) __THROW;
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/* Open the filesystem referenced by FS_NAME so it can be configured for
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mouting. */
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extern int fsopen (const char *__fs_name, unsigned int __flags) __THROW;
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/* Create a mount representation for the FD created by fsopen using
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FLAGS with ATTR_FLAGS describing how the mount is to be performed. */
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extern int fsmount (int __fd, unsigned int __flags,
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unsigned int __ms_flags) __THROW;
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/* Add the mounted FROM_DFD referenced by FROM_PATHNAME filesystem returned
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by fsmount in the hierarchy in the place TO_DFD reference by TO_PATHNAME
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using FLAGS. */
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extern int move_mount (int __from_dfd, const char *__from_pathname,
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int __to_dfd, const char *__to_pathname,
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unsigned int flags) __THROW;
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/* Set parameters and trigger CMD action on the FD context. KEY, VALUE,
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and AUX are used depending ng of the CMD. */
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extern int fsconfig (int __fd, unsigned int __cmd, const char *__key,
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const void *__value, int __aux) __THROW;
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/* Equivalent of fopen for an existing mount point. */
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extern int fspick (int __dfd, const char *__path, unsigned int __flags)
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__THROW;
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/* Open the mount point FILENAME in directory DFD using FLAGS. */
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extern int open_tree (int __dfd, const char *__filename, unsigned int __flags)
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__THROW;
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/* Change the mount properties of the mount or an entire mount tree. If
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PATH is a relative pathname, then it is interpreted relative to the
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directory referred to by the file descriptor dirfd. Otherwise if DFD is
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the special value AT_FDCWD then PATH is interpreted relative to the current
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working directory of the calling process. */
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extern int mount_setattr (int __dfd, const char *__path, unsigned int __flags,
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struct mount_attr *__uattr, size_t __usize)
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__THROW;
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__END_DECLS
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#endif /* _SYS_MOUNT_H */
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