dm-snap-persistent.c File Reference

#include "dm-exception-store.h"
#include <linux/mm.h>
#include <linux/pagemap.h>
#include <linux/vmalloc.h>
#include <linux/export.h>
#include <linux/slab.h>
#include <linux/dm-io.h>

Go to the source code of this file.

Data Structures
struct	disk_header
struct	disk_exception
struct	core_exception
struct	commit_callback
struct	pstore
struct	mdata_req

Macros
#define	DM_MSG_PREFIX   "persistent snapshot"
#define	DM_CHUNK_SIZE_DEFAULT_SECTORS   32 /* 16KB */
#define	SNAP_MAGIC   0x70416e53
#define	SNAPSHOT_DISK_VERSION   1
#define	NUM_SNAPSHOT_HDR_CHUNKS   1

Functions
int	dm_persistent_snapshot_init (void)
void	dm_persistent_snapshot_exit (void)

Variables
struct disk_header	__packed

Macro Definition Documentation

#define DM_CHUNK_SIZE_DEFAULT_SECTORS   32 /* 16KB */

Definition at line 18 of file dm-snap-persistent.c.

#define DM_MSG_PREFIX   "persistent snapshot"

Definition at line 17 of file dm-snap-persistent.c.

#define NUM_SNAPSHOT_HDR_CHUNKS   1

Definition at line 59 of file dm-snap-persistent.c.

#define SNAP_MAGIC   0x70416e53

Definition at line 52 of file dm-snap-persistent.c.

#define SNAPSHOT_DISK_VERSION   1

Definition at line 57 of file dm-snap-persistent.c.

Function Documentation

void dm_persistent_snapshot_exit

(

void

)

Definition at line 894 of file dm-snap-persistent.c.

int dm_persistent_snapshot_init

(

void

)

Definition at line 873 of file dm-snap-persistent.c.

Variable Documentation

struct disk_exception __packed