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author | Yang Lin <lin.a.yang@intel.com> | 2012-05-30 19:43:21 +0800 |
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committer | Yang Lin <lin.a.yang@intel.com> | 2012-05-30 19:43:21 +0800 |
commit | 8c82de96cd23e4823a2d29eb2de2295c0866b0c9 (patch) | |
tree | 4c255e87442eb17f710f1674e13303ff56be0c7a /quotaio_v2.h | |
download | quota-8c82de96cd23e4823a2d29eb2de2295c0866b0c9.tar.gz quota-8c82de96cd23e4823a2d29eb2de2295c0866b0c9.tar.bz2 quota-8c82de96cd23e4823a2d29eb2de2295c0866b0c9.zip |
Initial commit to Gerrittizen/20120530.11.0_branch1.0
Diffstat (limited to 'quotaio_v2.h')
-rw-r--r-- | quotaio_v2.h | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/quotaio_v2.h b/quotaio_v2.h new file mode 100644 index 0000000..197bb65 --- /dev/null +++ b/quotaio_v2.h @@ -0,0 +1,95 @@ +/* + * + * Header file for disk format of new quotafile format + * + */ + +#ifndef GUARD_QUOTAIO_V2_H +#define GUARD_QUOTAIO_V2_H + +#include <sys/types.h> +#include "quota.h" + +#define V2_DQINFOOFF sizeof(struct v2_disk_dqheader) /* Offset of info header in file */ +#define INIT_V2_VERSIONS { 1, 1} + +struct v2_disk_dqheader { + u_int32_t dqh_magic; /* Magic number identifying file */ + u_int32_t dqh_version; /* File version */ +} __attribute__ ((packed)); + +/* Flags for version specific files */ +#define V2_DQF_MASK 0x0000 /* Mask for all valid ondisk flags */ + +/* Header with type and version specific information */ +struct v2_disk_dqinfo { + u_int32_t dqi_bgrace; /* Time before block soft limit becomes hard limit */ + u_int32_t dqi_igrace; /* Time before inode soft limit becomes hard limit */ + u_int32_t dqi_flags; /* Flags for quotafile (DQF_*) */ + u_int32_t dqi_blocks; /* Number of blocks in file */ + u_int32_t dqi_free_blk; /* Number of first free block in the list */ + u_int32_t dqi_free_entry; /* Number of block with at least one free entry */ +} __attribute__ ((packed)); + +/* Structure of quota for one user on disk */ +struct v2r0_disk_dqblk { + u_int32_t dqb_id; /* id this quota applies to */ + u_int32_t dqb_ihardlimit; /* absolute limit on allocated inodes */ + u_int32_t dqb_isoftlimit; /* preferred inode limit */ + u_int32_t dqb_curinodes; /* current # allocated inodes */ + u_int32_t dqb_bhardlimit; /* absolute limit on disk space (in QUOTABLOCK_SIZE) */ + u_int32_t dqb_bsoftlimit; /* preferred limit on disk space (in QUOTABLOCK_SIZE) */ + u_int64_t dqb_curspace; /* current space occupied (in bytes) */ + u_int64_t dqb_btime; /* time limit for excessive disk use */ + u_int64_t dqb_itime; /* time limit for excessive inode use */ +} __attribute__ ((packed)); + +struct v2r1_disk_dqblk { + u_int32_t dqb_id; /* id this quota applies to */ + u_int32_t dqb_pad; + u_int64_t dqb_ihardlimit; /* absolute limit on allocated inodes */ + u_int64_t dqb_isoftlimit; /* preferred inode limit */ + u_int64_t dqb_curinodes; /* current # allocated inodes */ + u_int64_t dqb_bhardlimit; /* absolute limit on disk space (in QUOTABLOCK_SIZE) */ + u_int64_t dqb_bsoftlimit; /* preferred limit on disk space (in QUOTABLOCK_SIZE) */ + u_int64_t dqb_curspace; /* current space occupied (in bytes) */ + u_int64_t dqb_btime; /* time limit for excessive disk use */ + u_int64_t dqb_itime; /* time limit for excessive inode use */ +} __attribute__ ((packed)); + +/* Structure of quota for communication with kernel */ +struct v2_kern_dqblk { + unsigned int dqb_ihardlimit; + unsigned int dqb_isoftlimit; + unsigned int dqb_curinodes; + unsigned int dqb_bhardlimit; + unsigned int dqb_bsoftlimit; + qsize_t dqb_curspace; + time_t dqb_btime; + time_t dqb_itime; +}; + +/* Structure of quotafile info for communication with kernel (obsolete) */ +struct v2_kern_dqinfo { + unsigned int dqi_bgrace; + unsigned int dqi_igrace; + unsigned int dqi_flags; + unsigned int dqi_blocks; + unsigned int dqi_free_blk; + unsigned int dqi_free_entry; +}; + +/* Structure with gathered statistics from kernel */ +struct v2_dqstats { + u_int32_t lookups; + u_int32_t drops; + u_int32_t reads; + u_int32_t writes; + u_int32_t cache_hits; + u_int32_t allocated_dquots; + u_int32_t free_dquots; + u_int32_t syncs; + u_int32_t version; +}; + +#endif |