dm-btree-spine.c File Reference

#include "dm-btree-internal.h"
#include "dm-transaction-manager.h"
#include <linux/device-mapper.h>

Go to the source code of this file.

Macros
#define	DM_MSG_PREFIX   "btree spine"
#define	BTREE_CSUM_XOR   121107

Functions
int	new_block (struct dm_btree_info *info, struct dm_block **result)
int	unlock_block (struct dm_btree_info *info, struct dm_block *b)
void	init_ro_spine (struct ro_spine *s, struct dm_btree_info *info)
int	exit_ro_spine (struct ro_spine *s)
int	ro_step (struct ro_spine *s, dm_block_t new_child)
struct node *	ro_node (struct ro_spine *s)
void	init_shadow_spine (struct shadow_spine *s, struct dm_btree_info *info)
int	exit_shadow_spine (struct shadow_spine *s)
int	shadow_step (struct shadow_spine *s, dm_block_t b, struct dm_btree_value_type *vt)
struct dm_block *	shadow_current (struct shadow_spine *s)
struct dm_block *	shadow_parent (struct shadow_spine *s)
int	shadow_has_parent (struct shadow_spine *s)
int	shadow_root (struct shadow_spine *s)

Variables
struct dm_block_validator	btree_node_validator

Macro Definition Documentation

#define BTREE_CSUM_XOR   121107

Definition at line 16 of file dm-btree-spine.c.

#define DM_MSG_PREFIX   "btree spine"

Definition at line 12 of file dm-btree-spine.c.

Function Documentation

int exit_ro_spine

(

struct ro_spine *

s

)

Definition at line 135 of file dm-btree-spine.c.

int exit_shadow_spine

(

struct shadow_spine *

s

)

Definition at line 185 of file dm-btree-spine.c.

void init_ro_spine	(	struct ro_spine *	s,
		struct dm_btree_info *	info
	)

Definition at line 127 of file dm-btree-spine.c.

void init_shadow_spine	(	struct shadow_spine *	s,
		struct dm_btree_info *	info
	)

Definition at line 179 of file dm-btree-spine.c.

int new_block	(	struct dm_btree_info *	info,
		struct dm_block **	result
	)

Definition at line 115 of file dm-btree-spine.c.

struct node* ro_node ( struct ro_spine *  s )

read

Definition at line 167 of file dm-btree-spine.c.

int ro_step	(	struct ro_spine *	s,
		dm_block_t	new_child
	)

Definition at line 148 of file dm-btree-spine.c.

struct dm_block* shadow_current ( struct shadow_spine *  s )

read

Definition at line 222 of file dm-btree-spine.c.

int shadow_has_parent

(

struct shadow_spine *

s

)

Definition at line 236 of file dm-btree-spine.c.

struct dm_block* shadow_parent ( struct shadow_spine *  s )

read

Definition at line 229 of file dm-btree-spine.c.

int shadow_root

(

struct shadow_spine *

s

)

Definition at line 241 of file dm-btree-spine.c.

int shadow_step	(	struct shadow_spine *	s,
		dm_block_t	b,
		struct dm_btree_value_type *	vt
	)

Definition at line 198 of file dm-btree-spine.c.

int unlock_block	(	struct dm_btree_info *	info,
		struct dm_block *	b
	)

Definition at line 120 of file dm-btree-spine.c.

Variable Documentation

struct dm_block_validator btree_node_validator

Initial value:

= {
    .name = "btree_node",
    .prepare_for_write = node_prepare_for_write,
    .check = node_check
}

Definition at line 87 of file dm-btree-spine.c.