quotaio.h File Reference

#include <limits.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "dict.h"
#include "f2fs_fs.h"
#include "f2fs.h"
#include "node.h"
#include "fsck.h"
#include "dqblk_v2.h"

Include dependency graph for quotaio.h:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Classes
struct	quota_ctx
struct	util_dqinfo
struct	quota_file
struct	quota_handle
struct	util_dqblk
struct	dquot
struct	quotafile_ops

Macros
#define	QUOTA_USR_BIT   (1 << USRQUOTA)
#define	QUOTA_GRP_BIT   (1 << GRPQUOTA)
#define	QUOTA_PRJ_BIT   (1 << PRJQUOTA)
#define	QUOTA_ALL_BIT   (QUOTA_USR_BIT | QUOTA_GRP_BIT | QUOTA_PRJ_BIT)
#define	INITQMAGICS
#define	QUOTABLOCK_BITS   10
#define	QUOTABLOCK_SIZE   (1 << QUOTABLOCK_BITS)
#define	toqb(x)   (((x) + QUOTABLOCK_SIZE - 1) >> QUOTABLOCK_BITS)
#define	QFMT_VFS_OLD   1
#define	QFMT_VFS_V0   2
#define	QFMT_VFS_V1   4
#define	MAX_IQ_TIME   604800 /* (7*24*60*60) 1 week */
#define	MAX_DQ_TIME   604800 /* (7*24*60*60) 1 week */
#define	IOFL_INFODIRTY   0x01 /* Did info change? */
#define	DQF_SEEN   0x0001
#define	__bitwise
#define	__force

Typedefs
typedef int64_t	qsize_t
typedef int32_t	f2fs_ino_t
typedef int	errcode_t
typedef struct quota_ctx *	quota_ctx_t

Enumerations
enum	quota_type {   USRQUOTA = 0 , GRPQUOTA = 1 , PRJQUOTA = 2 , MAXQUOTAS = 3 ,   USRQUOTA = 0 , GRPQUOTA = 1 , PRJQUOTA = 2 , MAXQUOTAS = 3 }
enum	qf_szchk_type_t { QF_SZCHK_NONE , QF_SZCHK_ERR , QF_SZCHK_INLINE , QF_SZCHK_REGFILE }

Functions
errcode_t	quota_file_open (struct f2fs_sb_info *sbi, struct quota_handle *h, enum quota_type qtype, int flags)
errcode_t	quota_file_create (struct f2fs_sb_info *sbi, struct quota_handle *h, enum quota_type qtype)
errcode_t	quota_file_close (struct f2fs_sb_info *sbi, struct quota_handle *h, int update_filesize)
struct dquot *	get_empty_dquot (void)
const char *	quota_type2name (enum quota_type qtype)
void	update_grace_times (struct dquot *q)
errcode_t	quota_init_context (struct f2fs_sb_info *sbi)
void	quota_data_inodes (quota_ctx_t qctx, struct f2fs_inode *inode, int adjust)
void	quota_data_add (quota_ctx_t qctx, struct f2fs_inode *inode, qsize_t space)
void	quota_data_sub (quota_ctx_t qctx, struct f2fs_inode *inode, qsize_t space)
errcode_t	quota_write_inode (struct f2fs_sb_info *sbi, enum quota_type qtype)
void	quota_add_inode_usage (quota_ctx_t qctx, f2fs_ino_t ino, struct f2fs_inode *inode)
void	quota_release_context (quota_ctx_t *qctx)
errcode_t	quota_compare_and_update (struct f2fs_sb_info *sbi, enum quota_type qtype, int *usage_inconsistent, int preserve_limits)
static errcode_t	quota_get_mem (unsigned long size, void *ptr)
static errcode_t	quota_get_memzero (unsigned long size, void *ptr)
static errcode_t	quota_free_mem (void *ptr)

Variables
int	cur_qtype
u32	qf_last_blkofs []
enum qf_szchk_type_t	qf_szchk_type []
u64	qf_maxsize []

Macro Definition Documentation

__bitwise

#define __bitwise

__force

#define __force

DQF_SEEN

#define DQF_SEEN   0x0001

INITQMAGICS

#define INITQMAGICS

Value:

    {\
    0xd9c01f11, /* USRQUOTA */\
    0xd9c01927, /* GRPQUOTA */\
    0xd9c03f14  /* PRJQUOTA */\
}

IOFL_INFODIRTY

#define IOFL_INFODIRTY   0x01 /* Did info change? */

MAX_DQ_TIME

#define MAX_DQ_TIME   604800 /* (7*24*60*60) 1 week */

MAX_IQ_TIME

#define MAX_IQ_TIME   604800 /* (7*24*60*60) 1 week */

QFMT_VFS_OLD

#define QFMT_VFS_OLD   1

QFMT_VFS_V0

#define QFMT_VFS_V0   2

QFMT_VFS_V1

#define QFMT_VFS_V1   4

QUOTA_ALL_BIT

#define QUOTA_ALL_BIT   (QUOTA_USR_BIT | QUOTA_GRP_BIT | QUOTA_PRJ_BIT)

QUOTA_GRP_BIT

#define QUOTA_GRP_BIT   (1 << GRPQUOTA)

QUOTA_PRJ_BIT

#define QUOTA_PRJ_BIT   (1 << PRJQUOTA)

QUOTA_USR_BIT

#define QUOTA_USR_BIT   (1 << USRQUOTA)

QUOTABLOCK_BITS

#define QUOTABLOCK_BITS   10

QUOTABLOCK_SIZE

#define QUOTABLOCK_SIZE   (1 << QUOTABLOCK_BITS)

toqb

#define toqb

(

x

)

(((x) + QUOTABLOCK_SIZE - 1) >> QUOTABLOCK_BITS)

Typedef Documentation

errcode_t

typedef int errcode_t

f2fs_ino_t

typedef int32_t f2fs_ino_t

qsize_t

typedef int64_t qsize_t

quotaio.h

Interface to the quota library.

The quota library provides interface for creating and updating the quota files and the ext4 superblock fields. It supports the new VFS_V1 quota format. The quota library also provides support for keeping track of quotas in memory.

Aditya Kali adity.nosp@m.akal.nosp@m.i@goo.nosp@m.gle..nosp@m.com Header of IO operations for quota utilities

Jan Kara jack@.nosp@m.suse.nosp@m..cz

Hyojun Kim hyoju.nosp@m.n@go.nosp@m.ogle..nosp@m.com - Ported to f2fs-tools

quota_ctx_t

typedef struct quota_ctx* quota_ctx_t

Enumeration Type Documentation

qf_szchk_type_t

enum qf_szchk_type_t

Enumerator
QF_SZCHK_NONE
QF_SZCHK_ERR
QF_SZCHK_INLINE
QF_SZCHK_REGFILE

quota_type

enum quota_type

Enumerator
USRQUOTA
GRPQUOTA
PRJQUOTA
MAXQUOTAS
USRQUOTA
GRPQUOTA
PRJQUOTA
MAXQUOTAS

Function Documentation

get_empty_dquot()

struct dquot * get_empty_dquot

(

void

)

quota_add_inode_usage()

void quota_add_inode_usage	(	quota_ctx_t	qctx,
		f2fs_ino_t	ino,
		struct f2fs_inode *	inode
	)

quota_compare_and_update()

errcode_t quota_compare_and_update	(	struct f2fs_sb_info *	sbi,
		enum quota_type	qtype,
		int *	usage_inconsistent,
		int	preserve_limits
	)

quota_data_add()

void quota_data_add	(	quota_ctx_t	qctx,
		struct f2fs_inode *	inode,
		qsize_t	space
	)

quota_data_inodes()

void quota_data_inodes	(	quota_ctx_t	qctx,
		struct f2fs_inode *	inode,
		int	adjust
	)

quota_data_sub()

void quota_data_sub	(	quota_ctx_t	qctx,
		struct f2fs_inode *	inode,
		qsize_t	space
	)

quota_file_close()

errcode_t quota_file_close	(	struct f2fs_sb_info *	sbi,
		struct quota_handle *	h,
		int	update_filesize
	)

quota_file_create()

errcode_t quota_file_create	(	struct f2fs_sb_info *	sbi,
		struct quota_handle *	h,
		enum quota_type	qtype
	)

quota_file_open()

errcode_t quota_file_open	(	struct f2fs_sb_info *	sbi,
		struct quota_handle *	h,
		enum quota_type	qtype,
		int	flags
	)

quota_free_mem()

static errcode_t quota_free_mem ( void *  ptr )

inlinestatic

quota_get_mem()

static errcode_t quota_get_mem ( unsigned long  size, void *  ptr  )

inlinestatic

quota_get_memzero()

static errcode_t quota_get_memzero ( unsigned long  size, void *  ptr  )

inlinestatic

quota_init_context()

errcode_t quota_init_context

(

struct f2fs_sb_info *

sbi

)

quota_release_context()

void quota_release_context

(

quota_ctx_t *

qctx

)

quota_type2name()

const char * quota_type2name

(

enum quota_type

qtype

)

Convert type of quota to written representation

quota_write_inode()

errcode_t quota_write_inode	(	struct f2fs_sb_info *	sbi,
		enum quota_type	qtype
	)

update_grace_times()

void update_grace_times

(

struct dquot *

q

)

Variable Documentation

cur_qtype

int cur_qtype

extern

qf_last_blkofs

u32 qf_last_blkofs[]

extern

qf_maxsize

u64 qf_maxsize[]

extern

qf_szchk_type

enum qf_szchk_type_t qf_szchk_type[]

extern