FreeBSD/Linux Kernel Cross Reference
sys/sys/disklabel.h

     /*      $NetBSD: disklabel.h,v 1.127 2022/11/01 06:47:41 simonb Exp $   */
     
     /*
      * Copyright (c) 1987, 1988, 1993
      *      The Regents of the University of California.  All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
      * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. Neither the name of the University nor the names of its contributors
     *    may be used to endorse or promote products derived from this software
     *    without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     *
     *      @(#)disklabel.h 8.2 (Berkeley) 7/10/94
     */
    
    #ifndef _SYS_DISKLABEL_H_
    #define _SYS_DISKLABEL_H_
    
    /*
     * We need <machine/types.h> for __HAVE_OLD_DISKLABEL
     */
    #ifndef _LOCORE
    #include <sys/types.h>
    #endif
    
    /*
     * Each disk has a label which includes information about the hardware
     * disk geometry, filesystem partitions, and drive specific information.
     * The location of the label, as well as the number of partitions the
     * label can describe and the number of the "whole disk" (raw)
     * partition are machine dependent.
     */
    #if HAVE_NBTOOL_CONFIG_H
    #undef MAXPARTITIONS
    #define MAXPARTITIONS           MAXMAXPARTITIONS
    #else
    #include <machine/disklabel.h>
    #endif /* HAVE_NBTOOL_CONFIG_H */
    
    /*
     * The absolute maximum number of disk partitions allowed.
     * This is the maximum value of MAXPARTITIONS for which 'struct disklabel'
     * is <= DEV_BSIZE bytes long.  If MAXPARTITIONS is greater than this, beware.
     */
    #define MAXMAXPARTITIONS        22
    #if MAXPARTITIONS > MAXMAXPARTITIONS
    #warning beware: MAXPARTITIONS bigger than MAXMAXPARTITIONS
    #endif
    
    /*
     * Ports can switch their MAXPARTITIONS once, as follows:
     *
     * - define OLDMAXPARTITIONS in <machine/disklabel.h> as the old number
     * - define MAXPARTITIONS as the new number
     * - define DISKUNIT, DISKPART and DISKMINOR macros in <machine/disklabel.h>
     *   as appropriate for the port (see the i386 one for an example).
     * - define __HAVE_OLD_DISKLABEL in <machine/types.h>
     */
    
    #if defined(_KERNEL) && defined(__HAVE_OLD_DISKLABEL) && \
               (MAXPARTITIONS < OLDMAXPARTITIONS)
    #error "can only grow disklabel size"
    #endif
    
    
    /*
     * Translate between device numbers and major/disk unit/disk partition.
     */
    #ifndef __HAVE_OLD_DISKLABEL
    #if !HAVE_NBTOOL_CONFIG_H
    #define DISKUNIT(dev)   (minor(dev) / MAXPARTITIONS)
    #define DISKPART(dev)   (minor(dev) % MAXPARTITIONS)
    #define DISKMINOR(unit, part) \
        (((unit) * MAXPARTITIONS) + (part))
    #endif /* !HAVE_NBTOOL_CONFIG_H */
    #endif
    #define MAKEDISKDEV(maj, unit, part) \
        (makedev((maj), DISKMINOR((unit), (part))))
    
    #define DISKMAGIC       ((uint32_t)0x82564557)  /* The disk magic number */
    
   #ifndef _LOCORE
   struct  partition {             /* the partition table */
           uint32_t p_size;        /* number of sectors in partition */
           uint32_t p_offset;      /* starting sector */
           union {
                   uint32_t fsize; /* FFS, ADOS: filesystem basic fragment size */
                   uint32_t cdsession; /* ISO9660: session offset */
           } __partition_u2;
   #define p_fsize         __partition_u2.fsize
   #define p_cdsession     __partition_u2.cdsession
           uint8_t p_fstype;       /* filesystem type, see below */
           uint8_t p_frag; /* filesystem fragments per block */
           union {
                   uint16_t cpg;   /* UFS: FS cylinders per group */
                   uint16_t sgs;   /* LFS: FS segment shift */
           } __partition_u1;
   #define p_cpg   __partition_u1.cpg
   #define p_sgs   __partition_u1.sgs
   };
   
   /*
    * We'd rather have disklabel be the same size on 32 and 64 bit systems
    * but it really isn't. In revision 108 matt@ tried to do that by adding
    * un_d_pad as a uint64_t. This was really smart because the net effect
    * was to grow the struct by 4 bytes on most LP32 machines and make it
    * the same as LP64 without changing the layout (which is a nono because
    * it is stored on existing disks). The easy way would have been to add
    * padding at the end, but that would have been confusing (although that
    * is what actually happens), because the partitions structure is supposed
    * to be variable size and putting a padding uint32_t would be weird.
    * Unfornately mips32 and i386 align uint64_t standalone at an 8 byte
    * boundary, but in structures at a 4 byte boundary so matt's
    * change did not affect them.
    *
    * We also prefer to have the structure 4 byte aligned so that the
    * subr_disk_mbr.c code that scans for label does not trigger ubsan
    * when comparing magic (without making the code ugly). To do this
    * we can unexpose the d_boot{0,1} pointers in the kernel (so that
    * LP64 systems can become 4 byte aligned) and at the same time
    * remove the un_d_pad member and add padding at the end. The d_boot{0,1}
    * fields are only used in userland in getdiskbyname(3), filled with
    * the names of the primary and secondary bootstrap from /etc/disktab.
    *
    * While this is a way forward, it is not clear that it is the best
    * way forward. The ubsan warning is incorrect and the code
    * will always work since d_magic is always 4 byte aligned even
    * when structure disklabel is not 8 byte aligned, so what we do
    * now is ignore it. Another way would be to do offset arithmetic
    * on the pointer and use it as a char *. That would not prevent
    * other misaligned accesses in the future. Finally one could
    * copy the unaligned structure to an aligned one, but that eats
    * up space on the stack.
    */
   struct disklabel {
           uint32_t d_magic;               /* the magic number */
           uint16_t d_type;                /* drive type */
           uint16_t d_subtype;             /* controller/d_type specific */
           char      d_typename[16];       /* type name, e.g. "eagle" */
   
           /*
            * d_packname contains the pack identifier and is returned when
            * the disklabel is read off the disk or in-core copy.
            * d_boot0 and d_boot1 are the (optional) names of the
            * primary (block 0) and secondary (block 1-15) bootstraps
            * as found in /usr/mdec.  These are returned when using
            * getdiskbyname(3) to retrieve the values from /etc/disktab.
            */
           union {
                   char    un_d_packname[16];      /* pack identifier */
                   struct {
                           char *un_d_boot0;       /* primary bootstrap name */
                           char *un_d_boot1;       /* secondary bootstrap name */
                   } un_b;
                   uint64_t un_d_pad;              /* force 8 byte alignment */
           } d_un;
   #define d_packname      d_un.un_d_packname
   #define d_boot0         d_un.un_b.un_d_boot0
   #define d_boot1         d_un.un_b.un_d_boot1
   
                           /* disk geometry: */
           uint32_t d_secsize;             /* # of bytes per sector */
           uint32_t d_nsectors;            /* # of data sectors per track */
           uint32_t d_ntracks;             /* # of tracks per cylinder */
           uint32_t d_ncylinders;          /* # of data cylinders per unit */
           uint32_t d_secpercyl;           /* # of data sectors per cylinder */
           uint32_t d_secperunit;          /* # of data sectors per unit */
   
           /*
            * Spares (bad sector replacements) below are not counted in
            * d_nsectors or d_secpercyl.  Spare sectors are assumed to
            * be physical sectors which occupy space at the end of each
            * track and/or cylinder.
            */
           uint16_t d_sparespertrack;      /* # of spare sectors per track */
           uint16_t d_sparespercyl;        /* # of spare sectors per cylinder */
           /*
            * Alternative cylinders include maintenance, replacement,
            * configuration description areas, etc.
            */
           uint32_t d_acylinders;          /* # of alt. cylinders per unit */
   
                           /* hardware characteristics: */
           /*
            * d_interleave, d_trackskew and d_cylskew describe perturbations
            * in the media format used to compensate for a slow controller.
            * Interleave is physical sector interleave, set up by the
            * formatter or controller when formatting.  When interleaving is
            * in use, logically adjacent sectors are not physically
            * contiguous, but instead are separated by some number of
            * sectors.  It is specified as the ratio of physical sectors
            * traversed per logical sector.  Thus an interleave of 1:1
            * implies contiguous layout, while 2:1 implies that logical
            * sector 0 is separated by one sector from logical sector 1.
            * d_trackskew is the offset of sector 0 on track N relative to
            * sector 0 on track N-1 on the same cylinder.  Finally, d_cylskew
            * is the offset of sector 0 on cylinder N relative to sector 0
            * on cylinder N-1.
            */
           uint16_t d_rpm;         /* rotational speed */
           uint16_t d_interleave;          /* hardware sector interleave */
           uint16_t d_trackskew;           /* sector 0 skew, per track */
           uint16_t d_cylskew;             /* sector 0 skew, per cylinder */
           uint32_t d_headswitch;          /* head switch time, usec */
           uint32_t d_trkseek;             /* track-to-track seek, usec */
           uint32_t d_flags;               /* generic flags */
   #define NDDATA 5
           uint32_t d_drivedata[NDDATA];   /* drive-type specific information */
   #define NSPARE 5
           uint32_t d_spare[NSPARE];       /* reserved for future use */
           uint32_t d_magic2;              /* the magic number (again) */
           uint16_t d_checksum;            /* xor of data incl. partitions */
   
                           /* filesystem and partition information: */
           uint16_t d_npartitions; /* number of partitions in following */
           uint32_t d_bbsize;              /* size of boot area at sn0, bytes */
           uint32_t d_sbsize;              /* max size of fs superblock, bytes */
           struct  partition  d_partitions[MAXPARTITIONS];
                           /* the partition table, actually may be more */
   };
   
   #if defined(__HAVE_OLD_DISKLABEL) && !HAVE_NBTOOL_CONFIG_H
   /*
    * Same as above, but with OLDMAXPARTITIONS partitions. For use in
    * the old DIOC* ioctl calls.
    */
   struct olddisklabel {
           uint32_t d_magic;
           uint16_t d_type;
           uint16_t d_subtype;
           char      d_typename[16];
           union {
                   char    un_d_packname[16];
                   struct {
                           char *un_d_boot0;
                           char *un_d_boot1;
                   } un_b;
           } d_un;
           uint32_t d_secsize;
           uint32_t d_nsectors;
           uint32_t d_ntracks;
           uint32_t d_ncylinders;
           uint32_t d_secpercyl;
           uint32_t d_secperunit;
           uint16_t d_sparespertrack;
           uint16_t d_sparespercyl;
           uint32_t d_acylinders;
           uint16_t d_rpm;
           uint16_t d_interleave;
           uint16_t d_trackskew;
           uint16_t d_cylskew;
           uint32_t d_headswitch;
           uint32_t d_trkseek;
           uint32_t d_flags;
           uint32_t d_drivedata[NDDATA];
           uint32_t d_spare[NSPARE];
           uint32_t d_magic2;
           uint16_t d_checksum;
           uint16_t d_npartitions;
           uint32_t d_bbsize;
           uint32_t d_sbsize;
           struct  opartition {
                   uint32_t p_size;
                   uint32_t p_offset;
                   union {
                           uint32_t fsize;
                           uint32_t cdsession;
                   } __partition_u2;
                   uint8_t p_fstype;
                   uint8_t p_frag;
                   union {
                           uint16_t cpg;
                           uint16_t sgs;
                   } __partition_u1;
           } d_partitions[OLDMAXPARTITIONS];
   };
   #endif /* __HAVE_OLD_DISKLABEL */
   #else /* _LOCORE */
           /*
            * offsets for asm boot files.
            */
           .set    d_secsize,40
           .set    d_nsectors,44
           .set    d_ntracks,48
           .set    d_ncylinders,52
           .set    d_secpercyl,56
           .set    d_secperunit,60
           .set    d_end_,148+(MAXPARTITIONS*16)
   #endif /* _LOCORE */
   
   /*
    * We normally use C99 initialisers (just in case the lists below are out
    * of sequence, or have gaps), but lint doesn't grok them.
    * Maybe some host compilers don't either, but many have for quite some time.
    */
   
   #ifndef lint
   #define ARRAY_INIT(element,value) [element]=value
   #else
   #define ARRAY_INIT(element,value) value
   #endif
   
   /* Use pre-processor magic to get all the parameters one one line... */
   
   /* d_type values: */
   #define DKTYPE_DEFN(x) \
   x(UNKNOWN,      0,      "unknown") \
   x(SMD,          1,      "SMD")          /* SMD, XSMD; VAX hp/up */ \
   x(MSCP,         2,      "MSCP")         /* MSCP */ \
   x(DEC,          3,      "old DEC")      /* other DEC (rk, rl) */ \
   x(SCSI,         4,      "SCSI")         /* SCSI */ \
   x(ESDI,         5,      "ESDI")         /* ESDI interface */ \
   x(ST506,        6,      "ST506")        /* ST506 etc. */ \
   x(HPIB,         7,      "HP-IB")        /* CS/80 on HP-IB */ \
   x(HPFL,         8,      "HP-FL")        /* HP Fiber-link */ \
   x(TYPE_9,       9,      "type 9") \
   x(FLOPPY,       10,     "floppy")       /* floppy */ \
   x(CCD,          11,     "ccd")          /* concatenated disk device */ \
   x(VND,          12,     "vnd")          /* uvnode pseudo-disk */ \
   x(ATAPI,        13,     "ATAPI")        /* ATAPI */ \
   x(RAID,         14,     "RAID")         /* RAIDframe */ \
   x(LD,           15,     "ld")           /* logical disk */ \
   x(JFS2,         16,     "jfs")          /* IBM JFS2 */ \
   x(CGD,          17,     "cgd")          /* cryptographic pseudo-disk */ \
   x(VINUM,        18,     "vinum")        /* vinum volume */ \
   x(FLASH,        19,     "flash")        /* flash memory devices */ \
   x(DM,           20,     "dm")           /* device-mapper pseudo-disk devices */\
   x(RUMPD,        21,     "rumpd")        /* rump virtual disk */ \
   x(MD,           22,     "md")           /* memory disk */ \
       
   #ifndef _LOCORE
   #define DKTYPE_NUMS(tag, number, name) __CONCAT(DKTYPE_,tag=number),
   #ifndef DKTYPE_ENUMNAME
   #define DKTYPE_ENUMNAME
   #endif
   enum DKTYPE_ENUMNAME { DKTYPE_DEFN(DKTYPE_NUMS) DKMAXTYPES };
   #undef  DKTYPE_NUMS
   #endif
   
   #ifdef DKTYPENAMES
   #define DKTYPE_NAMES(tag, number, name) ARRAY_INIT(number,name),
   static const char *const dktypenames[] = { DKTYPE_DEFN(DKTYPE_NAMES) NULL };
   #undef  DKTYPE_NAMES
   #endif
   
   /*
    * Partition type names, numbers, label-names, fsck prog, and mount prog
    */
   #define FSTYPE_DEFN(x) \
   x(UNUSED,   0, "unused",     NULL,    NULL)   /* unused */ \
   x(SWAP,     1, "swap",       NULL,    NULL)   /* swap */ \
   x(V6,       2, "Version 6",  NULL,    NULL)   /* Sixth Edition */ \
   x(V7,       3, "Version 7", "v7fs",  "v7fs")  /* Seventh Edition */ \
   x(SYSV,     4, "System V",   NULL,    NULL)   /* System V */ \
   x(V71K,     5, "4.1BSD",     NULL,    NULL)   /* V7, 1K blocks (4.1, 2.9) */ \
   x(V8,    6, "Eighth Edition",NULL,    NULL)   /* Eighth Edition, 4K blocks */ \
   x(BSDFFS,   7, "4.2BSD",    "ffs",   "ffs")   /* 4.2BSD fast file system */ \
   x(MSDOS,    8, "MSDOS",     "msdos", "msdos") /* MSDOS file system */ \
   x(BSDLFS,   9, "4.4LFS",    "lfs",   "lfs")   /* 4.4BSD log-structured FS */ \
   x(OTHER,   10, "unknown",    NULL,    NULL)   /* in use, unknown/unsupported */\
   x(HPFS,    11, "HPFS",       NULL,    NULL)   /* OS/2 high-performance FS */ \
   x(ISO9660, 12, "ISO9660",    NULL,   "cd9660")/* ISO 9660, normally CD-ROM */ \
   x(BOOT,    13, "boot",       NULL,    NULL)   /* bootstrap code in partition */\
   x(ADOS,    14, "ADOS",       NULL,   "ados")  /* AmigaDOS fast file system */ \
   x(HFS,     15, "HFS",        NULL,    NULL)   /* Macintosh HFS */ \
   x(FILECORE,16, "FILECORE",   NULL, "filecore")/* Acorn Filecore FS */ \
   x(EX2FS,   17, "Linux Ext2","ext2fs","ext2fs")/* Linux Extended 2 FS */ \
   x(NTFS,    18, "NTFS",       NULL,   "ntfs")  /* Windows/NT file system */ \
   x(RAID,    19, "RAID",       NULL,    NULL)   /* RAIDframe component */ \
   x(CCD,     20, "ccd",        NULL,    NULL)   /* concatenated disk component */\
   x(JFS2,    21, "jfs",        NULL,    NULL)   /* IBM JFS2 */ \
   x(APPLEUFS,22, "Apple UFS", "ffs",   "ffs")   /* Apple UFS */ \
   /* XXX this is not the same as FreeBSD.  How to solve? */ \
   x(VINUM,   23, "vinum",      NULL,    NULL)   /* Vinum */ \
   x(UDF,     24, "UDF",        NULL,   "udf")   /* UDF */ \
   x(SYSVBFS, 25, "SysVBFS",    NULL,  "sysvbfs")/* System V boot file system */ \
   x(EFS,     26, "EFS",        NULL,   "efs")   /* SGI's Extent Filesystem */ \
   x(NILFS,   27, "NiLFS",      NULL,   "nilfs") /* NTT's NiLFS(2) */ \
   x(CGD,     28, "cgd",        NULL,   NULL)    /* Cryptographic disk */ \
   x(MINIXFS3,29, "MINIX FSv3", NULL,   NULL)    /* MINIX file system v3 */ \
   x(VMKCORE, 30, "VMware vmkcore", NULL, NULL)  /* VMware vmkcore */ \
   x(VMFS,    31, "VMware VMFS", NULL,  NULL)    /* VMware VMFS */ \
   x(VMWRESV, 32, "VMware Reserved", NULL, NULL) /* VMware reserved */ \
   x(ZFS,     33, "ZFS",        NULL,   "zfs")   /* ZFS */
   
   
   #ifndef _LOCORE
   #define FS_TYPENUMS(tag, number, name, fsck, mount) __CONCAT(FS_,tag=number),
   #ifndef FSTYPE_ENUMNAME
   #define FSTYPE_ENUMNAME
   #endif
   enum FSTYPE_ENUMNAME { FSTYPE_DEFN(FS_TYPENUMS) FSMAXTYPES };
   #undef  FS_TYPENUMS
   #endif
   
   #ifdef  FSTYPENAMES
   #define FS_TYPENAMES(tag, number, name, fsck, mount) ARRAY_INIT(number,name),
   static const char *const fstypenames[] = { FSTYPE_DEFN(FS_TYPENAMES) NULL };
   #undef  FS_TYPENAMES
   #endif
   
   #ifdef FSCKNAMES
   /* These are the names MOUNT_XXX from <sys/mount.h> */
   #define FS_FSCKNAMES(tag, number, name, fsck, mount) ARRAY_INIT(number,fsck),
   static const char *const fscknames[] = { FSTYPE_DEFN(FS_FSCKNAMES) NULL };
   #undef  FS_FSCKNAMES
   #define FSMAXNAMES      FSMAXTYPES
   #endif
   
   #ifdef MOUNTNAMES
   /* These are the names MOUNT_XXX from <sys/mount.h> */
   #define FS_MOUNTNAMES(tag, number, name, fsck, mount) ARRAY_INIT(number,mount),
   static const char *const mountnames[] = { FSTYPE_DEFN(FS_MOUNTNAMES) NULL };
   #undef  FS_MOUNTNAMES
   #define FSMAXMOUNTNAMES FSMAXTYPES
   #endif
   
   /*
    * flags shared by various drives:
    */
   #define         D_REMOVABLE     0x01            /* removable media */
   #define         D_ECC           0x02            /* supports ECC */
   #define         D_BADSECT       0x04            /* supports bad sector forw. */
   #define         D_RAMDISK       0x08            /* disk emulator */
   #define         D_CHAIN         0x10            /* can do back-back transfers */
   #define         D_SCSI_MMC      0x20            /* SCSI MMC sessioned media */
   
   /*
    * Drive data for SMD.
    */
   #define d_smdflags      d_drivedata[0]
   #define         D_SSE           0x1             /* supports skip sectoring */
   #define d_mindist       d_drivedata[1]
   #define d_maxdist       d_drivedata[2]
   #define d_sdist         d_drivedata[3]
   
   /*
    * Drive data for ST506.
    */
   #define d_precompcyl    d_drivedata[0]
   #define d_gap3          d_drivedata[1]          /* used only when formatting */
   
   /*
    * Drive data for SCSI.
    */
   #define d_blind         d_drivedata[0]
   
   #ifndef _LOCORE
   /*
    * Structure used to perform a format or other raw operation,
    * returning data and/or register values.  Register identification
    * and format are device- and driver-dependent. Currently unused.
    */
   struct format_op {
           char    *df_buf;
           int      df_count;              /* value-result */
           daddr_t  df_startblk;
           int      df_reg[8];             /* result */
   };
   
   #ifdef _KERNEL
   /*
    * Structure used internally to retrieve information about a partition
    * on a disk.
    */
   struct partinfo {
           uint64_t pi_offset;
           uint64_t pi_size;
           uint32_t pi_secsize;
           uint32_t pi_bsize;
           uint8_t  pi_fstype;
           uint8_t  pi_frag;
           uint16_t pi_cpg;
           uint32_t pi_fsize;
   };
   
   struct disk;
   
   int disk_read_sectors(void (*)(struct buf *), const struct disklabel *,
       struct buf *, unsigned int, int);
   void     diskerr(const struct buf *, const char *, const char *, int,
               int, const struct disklabel *);
   int      setdisklabel(struct disklabel *, struct disklabel *, u_long,
               struct cpu_disklabel *);
   const char *readdisklabel(dev_t, void (*)(struct buf *),
               struct disklabel *, struct cpu_disklabel *);
   int      writedisklabel(dev_t, void (*)(struct buf *), struct disklabel *,
               struct cpu_disklabel *);
   const char *convertdisklabel(struct disklabel *, void (*)(struct buf *),
       struct buf *, uint32_t);
   int      bounds_check_with_label(struct disk *, struct buf *, int);
   int      bounds_check_with_mediasize(struct buf *, int, uint64_t);
   const char *getfstypename(int);
   int     disklabel_dev_unit(dev_t);
   #endif
   #endif /* _LOCORE */
   
   #if !defined(_KERNEL) && !defined(_LOCORE)
   
   #include <sys/cdefs.h>
   
   #endif
   
   #endif /* !_SYS_DISKLABEL_H_ */

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