rbd.c File Reference

#include <linux/ceph/libceph.h>
#include <linux/ceph/osd_client.h>
#include <linux/ceph/mon_client.h>
#include <linux/ceph/decode.h>
#include <linux/parser.h>
#include <linux/kernel.h>
#include <linux/device.h>
#include <linux/module.h>
#include <linux/fs.h>
#include <linux/blkdev.h>
#include "rbd_types.h"

Go to the source code of this file.

Data Structures
struct	rbd_image_header
struct	rbd_options
struct	rbd_client
struct	rbd_req_status
struct	rbd_req_coll
struct	rbd_request
struct	rbd_snap
struct	rbd_mapping
struct	rbd_device

Macros
#define	RBD_DEBUG   /* Activate rbd_assert() calls */
#define	SECTOR_SHIFT   9
#define	SECTOR_SIZE   (1ULL << SECTOR_SHIFT)
#define	U64_MAX   ((u64) (~0ULL))
#define	RBD_DRV_NAME   "rbd"
#define	RBD_DRV_NAME_LONG   "rbd (rados block device)"
#define	RBD_MINORS_PER_MAJOR   256 /* max minors per blkdev */
#define	RBD_MAX_SNAP_NAME_LEN   32
#define	RBD_MAX_SNAP_COUNT   510 /* allows max snapc to fit in 4KB */
#define	RBD_MAX_OPT_LEN   1024
#define	RBD_SNAP_HEAD_NAME   "-"
#define	RBD_IMAGE_ID_LEN_MAX   64
#define	RBD_OBJ_PREFIX_LEN_MAX   64
#define	DEV_NAME_LEN   32
#define	MAX_INT_FORMAT_WIDTH   ((5 * sizeof (int)) / 2 + 1)
#define	RBD_READ_ONLY_DEFAULT   false
#define	rbd_assert(expr)

Enumerations
enum	{   Opt_last_int, Opt_last_string, Opt_read_only, Opt_read_write,   Opt_last_bool }

Functions
int __init	rbd_init (void)
void __exit	rbd_exit (void)
	module_init (rbd_init)
	module_exit (rbd_exit)
	MODULE_AUTHOR ("Sage Weil <[email protected]>")
	MODULE_AUTHOR ("Yehuda Sadeh <[email protected]>")
	MODULE_DESCRIPTION ("rados block device")
	MODULE_AUTHOR ("Jeff Garzik <[email protected]>")
	MODULE_LICENSE ("GPL")

Macro Definition Documentation

#define DEV_NAME_LEN   32

Definition at line 79 of file rbd.c.

#define MAX_INT_FORMAT_WIDTH   ((5 * sizeof (int)) / 2 + 1)

Definition at line 80 of file rbd.c.

#define rbd_assert

(

expr

)

Value:

if (unlikely(!(expr))) {                \
            printk(KERN_ERR "\nAssertion failure in %s() "  \
                        "at line %d:\n\n"   \
                    "\trbd_assert(%s);\n\n",    \
                    __func__, __LINE__, #expr); \
            BUG();                      \
        }

Definition at line 249 of file rbd.c.

#define RBD_DEBUG   /* Activate rbd_assert() calls */

Definition at line 44 of file rbd.c.

#define RBD_DRV_NAME   "rbd"

Definition at line 59 of file rbd.c.

#define RBD_DRV_NAME_LONG   "rbd (rados block device)"

Definition at line 60 of file rbd.c.

#define RBD_IMAGE_ID_LEN_MAX   64

Definition at line 70 of file rbd.c.

#define RBD_MAX_OPT_LEN   1024

Definition at line 66 of file rbd.c.

#define RBD_MAX_SNAP_COUNT   510 /* allows max snapc to fit in 4KB */

Definition at line 65 of file rbd.c.

#define RBD_MAX_SNAP_NAME_LEN   32

Definition at line 64 of file rbd.c.

#define RBD_MINORS_PER_MAJOR   256 /* max minors per blkdev */

Definition at line 62 of file rbd.c.

#define RBD_OBJ_PREFIX_LEN_MAX   64

Definition at line 71 of file rbd.c.

#define RBD_READ_ONLY_DEFAULT   false

Definition at line 82 of file rbd.c.

#define RBD_SNAP_HEAD_NAME   "-"

Definition at line 68 of file rbd.c.

#define SECTOR_SHIFT   9

Definition at line 52 of file rbd.c.

#define SECTOR_SIZE   (1ULL << SECTOR_SHIFT)

Definition at line 53 of file rbd.c.

#define U64_MAX   ((u64) (~0ULL))

Definition at line 57 of file rbd.c.

Enumeration Type Documentation

anonymous enum

Enumerator:

Opt_last_int
Opt_last_string
Opt_read_only
Opt_read_write
Opt_last_bool

Definition at line 377 of file rbd.c.

Function Documentation

MODULE_AUTHOR

(

"Sage Weil <[email protected]>"

)

MODULE_AUTHOR

(

"Yehuda Sadeh <[email protected]>"

)

MODULE_AUTHOR

(

"Jeff Garzik <[email protected]>"

)

MODULE_DESCRIPTION

(

"rados block device"

)

module_exit

(

rbd_exit

)

module_init

(

rbd_init

)

MODULE_LICENSE

(

"GPL"

)

void __exit rbd_exit

(

void

)

Definition at line 3259 of file rbd.c.

int __init rbd_init

(

void

)

Definition at line 3248 of file rbd.c.