dm-transaction-manager.c File Reference

#include "dm-transaction-manager.h"
#include "dm-space-map.h"
#include "dm-space-map-disk.h"
#include "dm-space-map-metadata.h"
#include "dm-persistent-data-internal.h"
#include <linux/export.h>
#include <linux/slab.h>
#include <linux/device-mapper.h>

Go to the source code of this file.

Data Structures
struct	shadow_info
struct	dm_transaction_manager

Macros
#define	DM_MSG_PREFIX   "transaction manager"
#define	HASH_SIZE   256
#define	HASH_MASK   (HASH_SIZE - 1)

Functions
struct dm_transaction_manager *	dm_tm_create_non_blocking_clone (struct dm_transaction_manager *real)
	EXPORT_SYMBOL_GPL (dm_tm_create_non_blocking_clone)
void	dm_tm_destroy (struct dm_transaction_manager *tm)
	EXPORT_SYMBOL_GPL (dm_tm_destroy)
int	dm_tm_pre_commit (struct dm_transaction_manager *tm)
	EXPORT_SYMBOL_GPL (dm_tm_pre_commit)
int	dm_tm_commit (struct dm_transaction_manager *tm, struct dm_block *root)
	EXPORT_SYMBOL_GPL (dm_tm_commit)
int	dm_tm_new_block (struct dm_transaction_manager *tm, struct dm_block_validator *v, struct dm_block **result)
int	dm_tm_shadow_block (struct dm_transaction_manager *tm, dm_block_t orig, struct dm_block_validator *v, struct dm_block **result, int *inc_children)
	EXPORT_SYMBOL_GPL (dm_tm_shadow_block)
int	dm_tm_read_lock (struct dm_transaction_manager *tm, dm_block_t b, struct dm_block_validator *v, struct dm_block **blk)
	EXPORT_SYMBOL_GPL (dm_tm_read_lock)
int	dm_tm_unlock (struct dm_transaction_manager *tm, struct dm_block *b)
	EXPORT_SYMBOL_GPL (dm_tm_unlock)
void	dm_tm_inc (struct dm_transaction_manager *tm, dm_block_t b)
	EXPORT_SYMBOL_GPL (dm_tm_inc)
void	dm_tm_dec (struct dm_transaction_manager *tm, dm_block_t b)
	EXPORT_SYMBOL_GPL (dm_tm_dec)
int	dm_tm_ref (struct dm_transaction_manager *tm, dm_block_t b, uint32_t *result)
struct dm_block_manager *	dm_tm_get_bm (struct dm_transaction_manager *tm)
int	dm_tm_create_with_sm (struct dm_block_manager *bm, dm_block_t sb_location, struct dm_transaction_manager **tm, struct dm_space_map **sm)
	EXPORT_SYMBOL_GPL (dm_tm_create_with_sm)
int	dm_tm_open_with_sm (struct dm_block_manager *bm, dm_block_t sb_location, void *sm_root, size_t root_len, struct dm_transaction_manager **tm, struct dm_space_map **sm)
	EXPORT_SYMBOL_GPL (dm_tm_open_with_sm)

Macro Definition Documentation

#define DM_MSG_PREFIX   "transaction manager"

Definition at line 16 of file dm-transaction-manager.c.

#define HASH_MASK   (HASH_SIZE - 1)

Definition at line 29 of file dm-transaction-manager.c.

#define HASH_SIZE   256

Definition at line 28 of file dm-transaction-manager.c.

Function Documentation

int dm_tm_commit	(	struct dm_transaction_manager *	tm,
		struct dm_block *	root
	)

Definition at line 162 of file dm-transaction-manager.c.

struct dm_transaction_manager* dm_tm_create_non_blocking_clone ( struct dm_transaction_manager *  real )

read

Definition at line 124 of file dm-transaction-manager.c.

int dm_tm_create_with_sm	(	struct dm_block_manager *	bm,
		dm_block_t	sb_location,
		struct dm_transaction_manager **	tm,
		struct dm_space_map **	sm
	)

Definition at line 365 of file dm-transaction-manager.c.

void dm_tm_dec	(	struct dm_transaction_manager *	tm,
		dm_block_t	b
	)

Definition at line 295 of file dm-transaction-manager.c.

void dm_tm_destroy

(

struct dm_transaction_manager *

tm

)

Definition at line 138 of file dm-transaction-manager.c.

struct dm_block_manager* dm_tm_get_bm ( struct dm_transaction_manager *  tm )

read

Definition at line 315 of file dm-transaction-manager.c.

void dm_tm_inc	(	struct dm_transaction_manager *	tm,
		dm_block_t	b
	)

Definition at line 284 of file dm-transaction-manager.c.

int dm_tm_new_block	(	struct dm_transaction_manager *	tm,
		struct dm_block_validator *	v,
		struct dm_block **	result
	)

Definition at line 173 of file dm-transaction-manager.c.

int dm_tm_open_with_sm	(	struct dm_block_manager *	bm,
		dm_block_t	sb_location,
		void *	sm_root,
		size_t	root_len,
		struct dm_transaction_manager **	tm,
		struct dm_space_map **	sm
	)

Definition at line 373 of file dm-transaction-manager.c.

int dm_tm_pre_commit

(

struct dm_transaction_manager *

tm

)

Definition at line 147 of file dm-transaction-manager.c.

int dm_tm_read_lock	(	struct dm_transaction_manager *	tm,
		dm_block_t	b,
		struct dm_block_validator *	v,
		struct dm_block **	blk
	)

Definition at line 267 of file dm-transaction-manager.c.

int dm_tm_ref	(	struct dm_transaction_manager *	tm,
		dm_block_t	b,
		uint32_t *	result
	)

Definition at line 306 of file dm-transaction-manager.c.

int dm_tm_shadow_block	(	struct dm_transaction_manager *	tm,
		dm_block_t	orig,
		struct dm_block_validator *	v,
		struct dm_block **	result,
		int *	inc_children
	)

Definition at line 242 of file dm-transaction-manager.c.

int dm_tm_unlock	(	struct dm_transaction_manager *	tm,
		struct dm_block *	b
	)

Definition at line 278 of file dm-transaction-manager.c.

EXPORT_SYMBOL_GPL

(

dm_tm_create_non_blocking_clone

)

EXPORT_SYMBOL_GPL

(

dm_tm_destroy

)

EXPORT_SYMBOL_GPL

(

dm_tm_pre_commit

)

EXPORT_SYMBOL_GPL

(

dm_tm_commit

)

EXPORT_SYMBOL_GPL

(

dm_tm_shadow_block

)

EXPORT_SYMBOL_GPL

(

dm_tm_read_lock

)

EXPORT_SYMBOL_GPL

(

dm_tm_unlock

)

EXPORT_SYMBOL_GPL

(

dm_tm_inc

)

EXPORT_SYMBOL_GPL

(

dm_tm_dec

)

EXPORT_SYMBOL_GPL

(

dm_tm_create_with_sm

)

EXPORT_SYMBOL_GPL

(

dm_tm_open_with_sm

)