dm-ioctl.c File Reference

#include "dm.h"
#include <linux/module.h>
#include <linux/vmalloc.h>
#include <linux/miscdevice.h>
#include <linux/init.h>
#include <linux/wait.h>
#include <linux/slab.h>
#include <linux/dm-ioctl.h>
#include <linux/hdreg.h>
#include <linux/compat.h>
#include <asm/uaccess.h>

Go to the source code of this file.

Data Structures
struct	hash_cell
struct	vers_iter

Macros
#define	DM_MSG_PREFIX   "ioctl"
#define	DM_DRIVER_EMAIL   "[email protected]"
#define	NUM_BUCKETS   64
#define	MASK_BUCKETS   (NUM_BUCKETS - 1)
#define	ALIGN_MASK   7
#define	dm_compat_ctl_ioctl   NULL

Typedefs
typedef int(*	ioctl_fn )(struct dm_ioctl *param, size_t param_size)

Functions
	MODULE_ALIAS_MISCDEV (MAPPER_CTRL_MINOR)
	MODULE_ALIAS ("devname:"DM_DIR"/"DM_CONTROL_NODE)
int __init	dm_interface_init (void)
void	dm_interface_exit (void)
: Buffer (size DM_NAME_LEN) for name
dm_copy_name_and_uuid - Copy mapped device name & uuid into supplied buffers : Pointer to mapped_device : Buffer (size DM_UUID_LEN) for uuid or empty string if uuid not defined
int	dm_copy_name_and_uuid (struct mapped_device *md, char *name, char *uuid)

Macro Definition Documentation

#define ALIGN_MASK   7

Definition at line 456 of file dm-ioctl.c.

#define dm_compat_ctl_ioctl   NULL

Definition at line 1702 of file dm-ioctl.c.

#define DM_DRIVER_EMAIL   "[email protected]"

Definition at line 23 of file dm-ioctl.c.

#define DM_MSG_PREFIX   "ioctl"

Definition at line 22 of file dm-ioctl.c.

#define MASK_BUCKETS   (NUM_BUCKETS - 1)

Definition at line 48 of file dm-ioctl.c.

#define NUM_BUCKETS   64

Definition at line 47 of file dm-ioctl.c.

Typedef Documentation

typedef int(* ioctl_fn)(struct dm_ioctl *param, size_t param_size)

Definition at line 444 of file dm-ioctl.c.

Function Documentation

int dm_copy_name_and_uuid	(	struct mapped_device *	md,
		char *	name,
		char *	uuid
	)

Definition at line 1761 of file dm-ioctl.c.

void dm_interface_exit

(

void

)

Definition at line 1747 of file dm-ioctl.c.

int __init dm_interface_init

(

void

)

Definition at line 1726 of file dm-ioctl.c.

MODULE_ALIAS

(

"devname:"DM_DIR"/"

DM_CONTROL_NODE

)

MODULE_ALIAS_MISCDEV

(

MAPPER_CTRL_MINOR

)