dquot.c File Reference

#include <linux/errno.h>
#include <linux/kernel.h>
#include <linux/fs.h>
#include <linux/mount.h>
#include <linux/mm.h>
#include <linux/time.h>
#include <linux/types.h>
#include <linux/string.h>
#include <linux/fcntl.h>
#include <linux/stat.h>
#include <linux/tty.h>
#include <linux/file.h>
#include <linux/slab.h>
#include <linux/sysctl.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/proc_fs.h>
#include <linux/security.h>
#include <linux/sched.h>
#include <linux/kmod.h>
#include <linux/namei.h>
#include <linux/capability.h>
#include <linux/quotaops.h>
#include "../internal.h"
#include <linux/uaccess.h>

Go to the source code of this file.

Data Structures
struct	dquot_warn

Macros
#define	VFS_FS_DQ_MASK

Functions
__cacheline_aligned_in_smp	DEFINE_SPINLOCK (dq_data_lock)
	EXPORT_SYMBOL (dq_data_lock)
void	__quota_error (struct super_block *sb, const char *func, const char *fmt,...)
	EXPORT_SYMBOL (__quota_error)
int	register_quota_format (struct quota_format_type *fmt)
	EXPORT_SYMBOL (register_quota_format)
void	unregister_quota_format (struct quota_format_type *fmt)
	EXPORT_SYMBOL (unregister_quota_format)
	EXPORT_SYMBOL (dqstats)
int	dquot_mark_dquot_dirty (struct dquot *dquot)
	EXPORT_SYMBOL (dquot_mark_dquot_dirty)
void	mark_info_dirty (struct super_block *sb, int type)
	EXPORT_SYMBOL (mark_info_dirty)
int	dquot_acquire (struct dquot *dquot)
	EXPORT_SYMBOL (dquot_acquire)
int	dquot_commit (struct dquot *dquot)
	EXPORT_SYMBOL (dquot_commit)
int	dquot_release (struct dquot *dquot)
	EXPORT_SYMBOL (dquot_release)
void	dquot_destroy (struct dquot *dquot)
	EXPORT_SYMBOL (dquot_destroy)
int	dquot_scan_active (struct super_block *sb, int(*fn)(struct dquot *dquot, unsigned long priv), unsigned long priv)
	EXPORT_SYMBOL (dquot_scan_active)
int	dquot_writeback_dquots (struct super_block *sb, int type)
	EXPORT_SYMBOL (dquot_writeback_dquots)
int	dquot_quota_sync (struct super_block *sb, int type)
	EXPORT_SYMBOL (dquot_quota_sync)
void	dqput (struct dquot *dquot)
	EXPORT_SYMBOL (dqput)
struct dquot *	dquot_alloc (struct super_block *sb, int type)
	EXPORT_SYMBOL (dquot_alloc)
struct dquot *	dqget (struct super_block *sb, struct kqid qid)
	EXPORT_SYMBOL (dqget)
void	dquot_initialize (struct inode *inode)
	EXPORT_SYMBOL (dquot_initialize)
void	dquot_drop (struct inode *inode)
	EXPORT_SYMBOL (dquot_drop)
void	inode_add_rsv_space (struct inode *inode, qsize_t number)
	EXPORT_SYMBOL (inode_add_rsv_space)
void	inode_claim_rsv_space (struct inode *inode, qsize_t number)
	EXPORT_SYMBOL (inode_claim_rsv_space)
void	inode_sub_rsv_space (struct inode *inode, qsize_t number)
	EXPORT_SYMBOL (inode_sub_rsv_space)
int	__dquot_alloc_space (struct inode *inode, qsize_t number, int flags)
	EXPORT_SYMBOL (__dquot_alloc_space)
int	dquot_alloc_inode (const struct inode *inode)
	EXPORT_SYMBOL (dquot_alloc_inode)
int	dquot_claim_space_nodirty (struct inode *inode, qsize_t number)
	EXPORT_SYMBOL (dquot_claim_space_nodirty)
void	__dquot_free_space (struct inode *inode, qsize_t number, int flags)
	EXPORT_SYMBOL (__dquot_free_space)
void	dquot_free_inode (const struct inode *inode)
	EXPORT_SYMBOL (dquot_free_inode)
int	__dquot_transfer (struct inode *inode, struct dquot **transfer_to)
	EXPORT_SYMBOL (__dquot_transfer)
int	dquot_transfer (struct inode *inode, struct iattr *iattr)
	EXPORT_SYMBOL (dquot_transfer)
int	dquot_commit_info (struct super_block *sb, int type)
	EXPORT_SYMBOL (dquot_commit_info)
	EXPORT_SYMBOL (dquot_operations)
int	dquot_file_open (struct inode *inode, struct file *file)
	EXPORT_SYMBOL (dquot_file_open)
int	dquot_disable (struct super_block *sb, int type, unsigned int flags)
	EXPORT_SYMBOL (dquot_disable)
int	dquot_quota_off (struct super_block *sb, int type)
	EXPORT_SYMBOL (dquot_quota_off)
int	dquot_resume (struct super_block *sb, int type)
	EXPORT_SYMBOL (dquot_resume)
int	dquot_quota_on (struct super_block *sb, int type, int format_id, struct path *path)
	EXPORT_SYMBOL (dquot_quota_on)
int	dquot_enable (struct inode *inode, int type, int format_id, unsigned int flags)
	EXPORT_SYMBOL (dquot_enable)
int	dquot_quota_on_mount (struct super_block *sb, char *qf_name, int format_id, int type)
	EXPORT_SYMBOL (dquot_quota_on_mount)
int	dquot_get_dqblk (struct super_block *sb, struct kqid qid, struct fs_disk_quota *di)
	EXPORT_SYMBOL (dquot_get_dqblk)
int	dquot_set_dqblk (struct super_block *sb, struct kqid qid, struct fs_disk_quota *di)
	EXPORT_SYMBOL (dquot_set_dqblk)
int	dquot_get_dqinfo (struct super_block *sb, int type, struct if_dqinfo *ii)
	EXPORT_SYMBOL (dquot_get_dqinfo)
int	dquot_set_dqinfo (struct super_block *sb, int type, struct if_dqinfo *ii)
	EXPORT_SYMBOL (dquot_set_dqinfo)
	EXPORT_SYMBOL (dquot_quotactl_ops)
	module_init (dquot_init)

Variables
struct dqstats	dqstats
struct dquot_operations	dquot_operations
struct quotactl_ops	dquot_quotactl_ops

Macro Definition Documentation

#define VFS_FS_DQ_MASK

Value:

(FS_DQ_BCOUNT | FS_DQ_BSOFT | FS_DQ_BHARD | \
     FS_DQ_ICOUNT | FS_DQ_ISOFT | FS_DQ_IHARD | \
     FS_DQ_BTIMER | FS_DQ_ITIMER)

Definition at line 2396 of file dquot.c.

Function Documentation

int __dquot_alloc_space	(	struct inode *	inode,
		qsize_t	number,
		int	flags
	)

Definition at line 1578 of file dquot.c.

void __dquot_free_space	(	struct inode *	inode,
		qsize_t	number,
		int	flags
	)

Definition at line 1704 of file dquot.c.

int __dquot_transfer	(	struct inode *	inode,
		struct dquot **	transfer_to
	)

Definition at line 1790 of file dquot.c.

void __quota_error	(	struct super_block *	sb,
		const char *	func,
		const char *	fmt,
			...
	)

Definition at line 135 of file dquot.c.

__cacheline_aligned_in_smp DEFINE_SPINLOCK

(

dq_data_lock

)

struct dquot* dqget ( struct super_block *  sb, struct kqid  qid  )

read

Definition at line 834 of file dquot.c.

void dqput

(

struct dquot *

dquot

)

Definition at line 736 of file dquot.c.

int dquot_acquire

(

struct dquot *

dquot

)

Definition at line 406 of file dquot.c.

struct dquot* dquot_alloc ( struct super_block *  sb, int  type  )

read

Definition at line 799 of file dquot.c.

int dquot_alloc_inode

(

const struct inode *

inode

)

Definition at line 1634 of file dquot.c.

int dquot_claim_space_nodirty	(	struct inode *	inode,
		qsize_t	number
	)

Definition at line 1675 of file dquot.c.

int dquot_commit

(

struct dquot *

dquot

)

Definition at line 444 of file dquot.c.

int dquot_commit_info	(	struct super_block *	sb,
		int	type
	)

Definition at line 1916 of file dquot.c.

void dquot_destroy

(

struct dquot *

dquot

)

Definition at line 499 of file dquot.c.

int dquot_disable	(	struct super_block *	sb,
		int	type,
		unsigned int	flags
	)

Definition at line 1959 of file dquot.c.

void dquot_drop

(

struct inode *

inode

)

Definition at line 1475 of file dquot.c.

int dquot_enable	(	struct inode *	inode,
		int	type,
		int	format_id,
		unsigned int	flags
	)

Definition at line 2273 of file dquot.c.

int dquot_file_open	(	struct inode *	inode,
		struct file *	file
	)

Definition at line 1945 of file dquot.c.

void dquot_free_inode

(

const struct inode *

inode

)

Definition at line 1749 of file dquot.c.

int dquot_get_dqblk	(	struct super_block *	sb,
		struct kqid	qid,
		struct fs_disk_quota *	di
	)

Definition at line 2381 of file dquot.c.

int dquot_get_dqinfo	(	struct super_block *	sb,
		int	type,
		struct if_dqinfo *	ii
	)

Definition at line 2512 of file dquot.c.

void dquot_initialize

(

struct inode *

inode

)

Definition at line 1452 of file dquot.c.

int dquot_mark_dquot_dirty

(

struct dquot *

dquot

)

Definition at line 344 of file dquot.c.

int dquot_quota_off	(	struct super_block *	sb,
		int	type
	)

Definition at line 2090 of file dquot.c.

int dquot_quota_on	(	struct super_block *	sb,
		int	type,
		int	format_id,
		struct path *	path
	)

Definition at line 2252 of file dquot.c.

int dquot_quota_on_mount	(	struct super_block *	sb,
		char *	qf_name,
		int	format_id,
		int	type
	)

Definition at line 2320 of file dquot.c.

int dquot_quota_sync	(	struct super_block *	sb,
		int	type
	)

Definition at line 651 of file dquot.c.

int dquot_release

(

struct dquot *

dquot

)

Definition at line 471 of file dquot.c.

int dquot_resume	(	struct super_block *	sb,
		int	type
	)

Definition at line 2216 of file dquot.c.

int dquot_scan_active	(	struct super_block *	sb,
		int(*)(struct dquot *dquot, unsigned long priv)	fn,
		unsigned long	priv
	)

Definition at line 564 of file dquot.c.

int dquot_set_dqblk	(	struct super_block *	sb,
		struct kqid	qid,
		struct fs_disk_quota *	di
	)

Definition at line 2493 of file dquot.c.

int dquot_set_dqinfo	(	struct super_block *	sb,
		int	type,
		struct if_dqinfo *	ii
	)

Definition at line 2534 of file dquot.c.

int dquot_transfer	(	struct inode *	inode,
		struct iattr *	iattr
	)

Definition at line 1893 of file dquot.c.

int dquot_writeback_dquots	(	struct super_block *	sb,
		int	type
	)

Definition at line 600 of file dquot.c.

EXPORT_SYMBOL

(

dq_data_lock

)

EXPORT_SYMBOL

(

__quota_error

)

EXPORT_SYMBOL

(

register_quota_format

)

EXPORT_SYMBOL

(

unregister_quota_format

)

EXPORT_SYMBOL

(

dqstats

)

EXPORT_SYMBOL

(

dquot_mark_dquot_dirty

)

EXPORT_SYMBOL

(

mark_info_dirty

)

EXPORT_SYMBOL

(

dquot_acquire

)

EXPORT_SYMBOL

(

dquot_commit

)

EXPORT_SYMBOL

(

dquot_release

)

EXPORT_SYMBOL

(

dquot_destroy

)

EXPORT_SYMBOL

(

dquot_scan_active

)

EXPORT_SYMBOL

(

dquot_writeback_dquots

)

EXPORT_SYMBOL

(

dquot_quota_sync

)

EXPORT_SYMBOL

(

dqput

)

EXPORT_SYMBOL

(

dquot_alloc

)

EXPORT_SYMBOL

(

dqget

)

EXPORT_SYMBOL

(

dquot_initialize

)

EXPORT_SYMBOL

(

dquot_drop

)

EXPORT_SYMBOL

(

inode_add_rsv_space

)

EXPORT_SYMBOL

(

inode_claim_rsv_space

)

EXPORT_SYMBOL

(

inode_sub_rsv_space

)

EXPORT_SYMBOL

(

__dquot_alloc_space

)

EXPORT_SYMBOL

(

dquot_alloc_inode

)

EXPORT_SYMBOL

(

dquot_claim_space_nodirty

)

EXPORT_SYMBOL

(

__dquot_free_space

)

EXPORT_SYMBOL

(

dquot_free_inode

)

EXPORT_SYMBOL

(

__dquot_transfer

)

EXPORT_SYMBOL

(

dquot_transfer

)

EXPORT_SYMBOL

(

dquot_commit_info

)

EXPORT_SYMBOL

(

dquot_operations

)

EXPORT_SYMBOL

(

dquot_file_open

)

EXPORT_SYMBOL

(

dquot_disable

)

EXPORT_SYMBOL

(

dquot_quota_off

)

EXPORT_SYMBOL

(

dquot_resume

)

EXPORT_SYMBOL

(

dquot_quota_on

)

EXPORT_SYMBOL

(

dquot_enable

)

EXPORT_SYMBOL

(

dquot_quota_on_mount

)

EXPORT_SYMBOL

(

dquot_get_dqblk

)

EXPORT_SYMBOL

(

dquot_set_dqblk

)

EXPORT_SYMBOL

(

dquot_get_dqinfo

)

EXPORT_SYMBOL

(

dquot_set_dqinfo

)

EXPORT_SYMBOL

(

dquot_quotactl_ops

)

void inode_add_rsv_space	(	struct inode *	inode,
		qsize_t	number
	)

Definition at line 1511 of file dquot.c.

void inode_claim_rsv_space	(	struct inode *	inode,
		qsize_t	number
	)

Definition at line 1519 of file dquot.c.

void inode_sub_rsv_space	(	struct inode *	inode,
		qsize_t	number
	)

Definition at line 1528 of file dquot.c.

void mark_info_dirty	(	struct super_block *	sb,
		int	type
	)

Definition at line 396 of file dquot.c.

module_init

(

dquot_init

)

int register_quota_format

(

struct quota_format_type *

fmt

)

Definition at line 164 of file dquot.c.

void unregister_quota_format

(

struct quota_format_type *

fmt

)

Definition at line 174 of file dquot.c.

Variable Documentation

struct dqstats dqstats

Definition at line 249 of file dquot.c.

struct dquot_operations dquot_operations

Initial value:

= {
    .write_dquot    = dquot_commit,
    .acquire_dquot  = dquot_acquire,
    .release_dquot  = dquot_release,
    .mark_dirty = dquot_mark_dquot_dirty,
    .write_info = dquot_commit_info,
    .alloc_dquot    = dquot_alloc,
    .destroy_dquot  = dquot_destroy,
}

Definition at line 1931 of file dquot.c.

struct quotactl_ops dquot_quotactl_ops

Initial value:

= {
    .quota_on   = dquot_quota_on,
    .quota_off  = dquot_quota_off,
    .quota_sync = dquot_quota_sync,
    .get_info   = dquot_get_dqinfo,
    .set_info   = dquot_set_dqinfo,
    .get_dqblk  = dquot_get_dqblk,
    .set_dqblk  = dquot_set_dqblk
}

Definition at line 2563 of file dquot.c.