lib/support/quotaio_v2.h

   1 /*
   2  *
   3  *      Header file for disk format of new quotafile format
   4  *
   5  */
   6
   7 #ifndef GUARD_QUOTAIO_V2_H
   8 #define GUARD_QUOTAIO_V2_H
   9
  10 #include <sys/types.h>
  11 #include "quotaio.h"
  12
  13 /* Offset of info header in file */
  14 #define V2_DQINFOOFF            sizeof(struct v2_disk_dqheader)
  15 /* Supported version of quota-tree format */
  16 #define V2_VERSION_R1 1
  17 #define V2_VERSION_R0 0
  18
  19 struct v2_disk_dqheader {
  20         __le32 dqh_magic;       /* Magic number identifying file */
  21         __le32 dqh_version;     /* File version */
  22 } __attribute__ ((packed));
  23
  24 /* Flags for version specific files */
  25 #define V2_DQF_MASK  0x0000     /* Mask for all valid ondisk flags */
  26
  27 /* Header with type and version specific information */
  28 struct v2_disk_dqinfo {
  29         __le32 dqi_bgrace;      /* Time before block soft limit becomes
  30                                  * hard limit */
  31         __le32 dqi_igrace;      /* Time before inode soft limit becomes
  32                                  * hard limit */
  33         __le32 dqi_flags;       /* Flags for quotafile (DQF_*) */
  34         __le32 dqi_blocks;      /* Number of blocks in file */
  35         __le32 dqi_free_blk;    /* Number of first free block in the list */
  36         __le32 dqi_free_entry;  /* Number of block with at least one
  37                                          * free entry */
  38 } __attribute__ ((packed));
  39
  40 struct v2r0_disk_dqblk {
  41         __le32 dqb_id;  /* id this quota applies to */
  42         __le32 dqb_ihardlimit;  /* absolute limit on allocated inodes */
  43         __le32 dqb_isoftlimit;  /* preferred inode limit */
  44         __le32 dqb_curinodes;   /* current # allocated inodes */
  45         __le32 dqb_bhardlimit;  /* absolute limit on disk space
  46                                          * (in QUOTABLOCK_SIZE) */
  47         __le32 dqb_bsoftlimit;  /* preferred limit on disk space
  48                                          * (in QUOTABLOCK_SIZE) */
  49         __le64 dqb_curspace;    /* current space occupied (in bytes) */
  50         __le64 dqb_btime;       /* time limit for excessive disk use */
  51         __le64 dqb_itime;       /* time limit for excessive inode use */
  52 } __attribute__ ((packed));
  53
  54 struct v2r1_disk_dqblk {
  55         __le32 dqb_id;  /* id this quota applies to */
  56         __le32 dqb_pad;
  57         __le64 dqb_ihardlimit;  /* absolute limit on allocated inodes */
  58         __le64 dqb_isoftlimit;  /* preferred inode limit */
  59         __le64 dqb_curinodes;   /* current # allocated inodes */
  60         __le64 dqb_bhardlimit;  /* absolute limit on disk space
  61                                          * (in QUOTABLOCK_SIZE) */
  62         __le64 dqb_bsoftlimit;  /* preferred limit on disk space
  63                                          * (in QUOTABLOCK_SIZE) */
  64         __le64 dqb_curspace;    /* current space occupied (in bytes) */
  65         __le64 dqb_btime;       /* time limit for excessive disk use */
  66         __le64 dqb_itime;       /* time limit for excessive inode use */
  67 } __attribute__ ((packed));
  68
  69 #endif