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author | Jan Kara <jack@suse.cz> | 2009-01-26 14:28:09 (GMT) |
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committer | Jan Kara <jack@suse.cz> | 2009-03-26 01:18:35 (GMT) |
commit | 884d179dff3aa98a73c3ba9dee05fd6050d664f0 (patch) | |
tree | 68c18e3ff8decd2af861e807bed96cca2dea30d4 /fs/quota/quotaio_v2.h | |
parent | 60e58e0f30e723464c2a7d34b71b8675566c572d (diff) | |
download | linux-fsl-qoriq-884d179dff3aa98a73c3ba9dee05fd6050d664f0.tar.xz |
quota: Move quota files into separate directory
Quota subsystem has more and more files. It's time to create a dir for it.
Signed-off-by: Jan Kara <jack@suse.cz>
Diffstat (limited to 'fs/quota/quotaio_v2.h')
-rw-r--r-- | fs/quota/quotaio_v2.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/fs/quota/quotaio_v2.h b/fs/quota/quotaio_v2.h new file mode 100644 index 0000000..530fe58 --- /dev/null +++ b/fs/quota/quotaio_v2.h @@ -0,0 +1,60 @@ +/* + * Definitions of structures for vfsv0 quota format + */ + +#ifndef _LINUX_QUOTAIO_V2_H +#define _LINUX_QUOTAIO_V2_H + +#include <linux/types.h> +#include <linux/quota.h> + +/* + * Definitions of magics and versions of current quota files + */ +#define V2_INITQMAGICS {\ + 0xd9c01f11, /* USRQUOTA */\ + 0xd9c01927 /* GRPQUOTA */\ +} + +#define V2_INITQVERSIONS {\ + 0, /* USRQUOTA */\ + 0 /* GRPQUOTA */\ +} + +/* First generic header */ +struct v2_disk_dqheader { + __le32 dqh_magic; /* Magic number identifying file */ + __le32 dqh_version; /* File version */ +}; + +/* + * The following structure defines the format of the disk quota file + * (as it appears on disk) - the file is a radix tree whose leaves point + * to blocks of these structures. + */ +struct v2_disk_dqblk { + __le32 dqb_id; /* id this quota applies to */ + __le32 dqb_ihardlimit; /* absolute limit on allocated inodes */ + __le32 dqb_isoftlimit; /* preferred inode limit */ + __le32 dqb_curinodes; /* current # allocated inodes */ + __le32 dqb_bhardlimit; /* absolute limit on disk space (in QUOTABLOCK_SIZE) */ + __le32 dqb_bsoftlimit; /* preferred limit on disk space (in QUOTABLOCK_SIZE) */ + __le64 dqb_curspace; /* current space occupied (in bytes) */ + __le64 dqb_btime; /* time limit for excessive disk use */ + __le64 dqb_itime; /* time limit for excessive inode use */ +}; + +/* Header with type and version specific information */ +struct v2_disk_dqinfo { + __le32 dqi_bgrace; /* Time before block soft limit becomes hard limit */ + __le32 dqi_igrace; /* Time before inode soft limit becomes hard limit */ + __le32 dqi_flags; /* Flags for quotafile (DQF_*) */ + __le32 dqi_blocks; /* Number of blocks in file */ + __le32 dqi_free_blk; /* Number of first free block in the list */ + __le32 dqi_free_entry; /* Number of block with at least one free entry */ +}; + +#define V2_DQINFOOFF sizeof(struct v2_disk_dqheader) /* Offset of info header in file */ +#define V2_DQBLKSIZE_BITS 10 /* Size of leaf block in tree */ + +#endif /* _LINUX_QUOTAIO_V2_H */ |