glibc/sysdeps/unix/sysv/linux/linux_fsinfo.h

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/* Constants from kernel header for various FSes.
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Copyright (C) 1998-2003,2005,2010,2011 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#ifndef _LINUX_FSINFO_H
#define _LINUX_FSINFO_H 1
/* These definitions come from the kernel headers. But we cannot
include the headers here because of type clashes. If new
filesystem types will become available we have to add the
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appropriate definitions here. */
/* Constant that identifies the `adfs' filesystem. */
#define ADFS_SUPER_MAGIC 0xadf5
/* Constant that identifies the `affs' filesystem. */
#define AFFS_SUPER_MAGIC 0xadff
/* Constant that identifies the `autofs' filesystem. */
#define AUTOFS_SUPER_MAGIC 0x187
/* Constant that identifies the `bfs' filesystem. */
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#define BFS_MAGIC 0x1badface
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/* Constant that identifies the `btrfs' filesystem. */
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#define BTRFS_SUPER_MAGIC 0x9123683e
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/* Constant that identifies the `cgroup' filesystem. */
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#define CGROUP_SUPER_MAGIC 0x27e0eb
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/* Constant that identifies the `coda' filesystem. */
#define CODA_SUPER_MAGIC 0x73757245
/* Constant that identifies the `coherent' filesystem. */
#define COH_SUPER_MAGIC 0x012ff7b7
/* Constant that identifies the `ramfs' filesystem. */
#define CRAMFS_MAGIC 0x28cd3d45
/* Constant that identifies the `devfs' filesystem. */
#define DEVFS_SUPER_MAGIC 0x1373
/* Constant that identifies the `devpts' filesystem. */
#define DEVPTS_SUPER_MAGIC 0x1cd1
/* Constants that identifies the `efs' filesystem. */
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#define EFS_SUPER_MAGIC 0x414a53
#define EFS_MAGIC 0x072959
/* Constant that identifies the `ext2' and `ext3' filesystems. */
#define EXT2_SUPER_MAGIC 0xef53
/* Constant that identifies the `hpfs' filesystem. */
#define HPFS_SUPER_MAGIC 0xf995e849
/* Constant that identifies the `iso9660' filesystem. */
#define ISOFS_SUPER_MAGIC 0x9660
/* Constant that identifies the `jffs' filesystem. */
#define JFFS_SUPER_MAGIC 0x07c0
/* Constant that identifies the `jffs2' filesystem. */
#define JFFS2_SUPER_MAGIC 0x72b6
/* Constant that identifies the `jfs' filesystem. */
#define JFS_SUPER_MAGIC 0x3153464a
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/* Constant that identifies the `logfs' filesystem. */
#define LOGFS_MAGIC_U32 0xc97e8168u
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/* Constant that identifies the `lustre' filesystem. */
#define LUSTRE_SUPER_MAGIC 0x0BD00BD0
/* Constants that identify the `minix2' filesystem. */
#define MINIX2_SUPER_MAGIC 0x2468
#define MINIX2_SUPER_MAGIC2 0x2478
/* Constants that identify the `minix' filesystem. */
#define MINIX_SUPER_MAGIC 0x137f
#define MINIX_SUPER_MAGIC2 0x138F
/* Constant that identifies the `msdos' filesystem. */
#define MSDOS_SUPER_MAGIC 0x4d44
/* Constant that identifies the `ncp' filesystem. */
#define NCP_SUPER_MAGIC 0x564c
/* Constant that identifies the `nfs' filesystem. */
#define NFS_SUPER_MAGIC 0x6969
/* Constant that identifies the `ntfs' filesystem. */
#define NTFS_SUPER_MAGIC 0x5346544e
/* Constant that identifies the `proc' filesystem. */
#define PROC_SUPER_MAGIC 0x9fa0
/* Constant that identifies the `usbdevfs' filesystem. */
#define USBDEVFS_SUPER_MAGIC 0x9fa2
/* Constant that identifies the `qnx4' filesystem. */
#define QNX4_SUPER_MAGIC 0x002f
/* Constant that identifies the `reiser' filesystem. */
#define REISERFS_SUPER_MAGIC 0x52654973
/* Constant that identifies the `romfs' filesystem. */
#define ROMFS_SUPER_MAGIC 0x7275
/* Constant that identifies the `shm' filesystem. */
#define SHMFS_SUPER_MAGIC 0x01021994
/* Constant that identifies the `smb' filesystem. */
#define SMB_SUPER_MAGIC 0x517b
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/* Constant that identifies the `sysfs' filesystem. */
#define SYSFS_MAGIC 0x62656572
/* Constants that identify the `sysV' filesystem. */
#define SYSV2_SUPER_MAGIC 0x012ff7b6
#define SYSV4_SUPER_MAGIC 0x012ff7b5
/* Constant that identifies the `udf' filesystem. */
#define UDF_SUPER_MAGIC 0x15013346
/* Constant that identify the `ufs' filesystem. */
#define UFS_MAGIC 0x00011954
#define UFS_CIGAM 0x54190100 /* byteswapped MAGIC */
/* Constant that identifies the `vxfs' filesystem. */
#define VXFS_SUPER_MAGIC 0xa501fcf5
/* Constant that identifies the `xenix' filesystem. */
#define XENIX_SUPER_MAGIC 0x012ff7b4
/* Constant that identifies the `xfs' filesystem. */
#define XFS_SUPER_MAGIC 0x58465342
/* Maximum link counts. */
#define COH_LINK_MAX 10000
#define EXT2_LINK_MAX 32000
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#define EXT4_LINK_MAX 65000
#define LUSTRE_LINK_MAX EXT4_LINK_MAX
#define MINIX2_LINK_MAX 65530
#define MINIX_LINK_MAX 250
#define REISERFS_LINK_MAX 64535
#define SYSV_LINK_MAX 126 /* 127? 251? */
#define UFS_LINK_MAX EXT2_LINK_MAX
#define XENIX_LINK_MAX 126 /* ?? */
#define XFS_LINK_MAX 2147483647
/* The Linux kernel header mentioned this as a kind of generic value. */
#define LINUX_LINK_MAX 127
#endif /* linux_fsinfo.h */