dm-log.c File Reference

#include <linux/init.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <linux/vmalloc.h>
#include <linux/dm-io.h>
#include <linux/dm-dirty-log.h>
#include <linux/device-mapper.h>

Go to the source code of this file.

Data Structures
struct	log_header_disk
struct	log_header_core
struct	log_c

Macros
#define	DM_MSG_PREFIX   "dirty region log"
#define	MIRROR_MAGIC   0x4D695272
#define	MIRROR_DISK_VERSION   2
#define	LOG_OFFSET   2
#define	BYTE_SHIFT   3
#define	DMEMIT_SYNC

Functions
int	dm_dirty_log_type_register (struct dm_dirty_log_type *type)
	EXPORT_SYMBOL (dm_dirty_log_type_register)
int	dm_dirty_log_type_unregister (struct dm_dirty_log_type *type)
	EXPORT_SYMBOL (dm_dirty_log_type_unregister)
struct dm_dirty_log *	dm_dirty_log_create (const char *type_name, struct dm_target *ti, int(*flush_callback_fn)(struct dm_target *ti), unsigned int argc, char **argv)
	EXPORT_SYMBOL (dm_dirty_log_create)
void	dm_dirty_log_destroy (struct dm_dirty_log *log)
	EXPORT_SYMBOL (dm_dirty_log_destroy)
	module_init (dm_dirty_log_init)
	module_exit (dm_dirty_log_exit)
	MODULE_DESCRIPTION (DM_NAME" dirty region log")
	MODULE_AUTHOR ("Joe Thornber, Heinz Mauelshagen <[email protected]>")
	MODULE_LICENSE ("GPL")

Variables
struct log_header_disk	__packed

Macro Definition Documentation

#define BYTE_SHIFT   3

Definition at line 360 of file dm-log.c.

#define DM_MSG_PREFIX   "dirty region log"

Definition at line 17 of file dm-log.c.

#define DMEMIT_SYNC

Value:

if (lc->sync != DEFAULTSYNC) \
        DMEMIT("%ssync ", lc->sync == NOSYNC ? "no" : "")

Definition at line 775 of file dm-log.c.

#define LOG_OFFSET   2

Definition at line 198 of file dm-log.c.

#define MIRROR_DISK_VERSION   2

Definition at line 197 of file dm-log.c.

#define MIRROR_MAGIC   0x4D695272

Definition at line 192 of file dm-log.c.

Function Documentation

struct dm_dirty_log* dm_dirty_log_create ( const char *  type_name, struct dm_target *  ti, int(*)(struct dm_target *ti)  flush_callback_fn, unsigned int  argc, char **  argv  )

read

Definition at line 147 of file dm-log.c.

void dm_dirty_log_destroy

(

struct dm_dirty_log *

log

)

Definition at line 177 of file dm-log.c.

int dm_dirty_log_type_register

(

struct dm_dirty_log_type *

type

)

Definition at line 115 of file dm-log.c.

int dm_dirty_log_type_unregister

(

struct dm_dirty_log_type *

type

)

Definition at line 130 of file dm-log.c.

EXPORT_SYMBOL

(

dm_dirty_log_type_register

)

EXPORT_SYMBOL

(

dm_dirty_log_type_unregister

)

EXPORT_SYMBOL

(

dm_dirty_log_create

)

EXPORT_SYMBOL

(

dm_dirty_log_destroy

)

MODULE_AUTHOR	(	"Joe	Thornber,
		Heinz Mauelshagen< dm-devel @redhat.com >"
	)

MODULE_DESCRIPTION

(

DM_NAME" dirty region log"

)

module_exit

(

dm_dirty_log_exit

)

module_init

(

dm_dirty_log_init

)

MODULE_LICENSE

(

"GPL"

)

Variable Documentation

struct log_header_disk __packed