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80 lines
2.5 KiB
80 lines
2.5 KiB
/*
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*
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* Header file for disk format of new quotafile format
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*
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* Copied essential definitions and structures for mkfs.f2fs from quotaio.h
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*
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* Aditya Kali <adityakali@google.com>
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* Jan Kara <jack@suse.cz>
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* Hyojun Kim <hyojun@google.com> - Ported to f2fs-tools
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*
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*/
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#ifndef F2FS_QUOTA_H
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#define F2FS_QUOTA_H
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enum quota_type {
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USRQUOTA = 0,
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GRPQUOTA = 1,
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PRJQUOTA = 2,
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MAXQUOTAS = 3,
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};
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#if MAXQUOTAS > 32
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#error "cannot have more than 32 quota types to fit in qtype_bits"
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#endif
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#define QUOTA_USR_BIT (1 << USRQUOTA)
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#define QUOTA_GRP_BIT (1 << GRPQUOTA)
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#define QUOTA_PRJ_BIT (1 << PRJQUOTA)
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#define QUOTA_ALL_BIT (QUOTA_USR_BIT | QUOTA_GRP_BIT | QUOTA_PRJ_BIT)
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/*
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* Definitions of magics and versions of current quota files
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*/
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#define INITQMAGICS {\
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0xd9c01f11, /* USRQUOTA */\
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0xd9c01927, /* GRPQUOTA */\
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0xd9c03f14 /* PRJQUOTA */\
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}
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#define V2_DQINFOOFF sizeof(struct v2_disk_dqheader) /* Offset of info header in file */
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#define MAX_IQ_TIME 604800 /* (7*24*60*60) 1 week */
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#define MAX_DQ_TIME 604800 /* (7*24*60*60) 1 week */
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#define QT_TREEOFF 1 /* Offset of tree in file in blocks */
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#pragma pack(push, 1)
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struct v2_disk_dqheader {
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u_int32_t dqh_magic; /* Magic number identifying file */
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u_int32_t dqh_version; /* File version */
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} __attribute__ ((packed));
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/* Header with type and version specific information */
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struct v2_disk_dqinfo {
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u_int32_t dqi_bgrace; /* Time before block soft limit becomes hard limit */
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u_int32_t dqi_igrace; /* Time before inode soft limit becomes hard limit */
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u_int32_t dqi_flags; /* Flags for quotafile (DQF_*) */
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u_int32_t dqi_blocks; /* Number of blocks in file */
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u_int32_t dqi_free_blk; /* Number of first free block in the list */
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u_int32_t dqi_free_entry; /* Number of block with at least one free entry */
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} __attribute__ ((packed));
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struct v2r1_disk_dqblk {
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__le32 dqb_id; /* id this quota applies to */
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__le32 dqb_pad;
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__le64 dqb_ihardlimit; /* absolute limit on allocated inodes */
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__le64 dqb_isoftlimit; /* preferred inode limit */
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__le64 dqb_curinodes; /* current # allocated inodes */
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__le64 dqb_bhardlimit; /* absolute limit on disk space
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* (in QUOTABLOCK_SIZE) */
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__le64 dqb_bsoftlimit; /* preferred limit on disk space
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* (in QUOTABLOCK_SIZE) */
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__le64 dqb_curspace; /* current space occupied (in bytes) */
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__le64 dqb_btime; /* time limit for excessive disk use */
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__le64 dqb_itime; /* time limit for excessive inode use */
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} __attribute__ ((packed));
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#pragma pack(pop)
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#endif
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