dm-bio-prison.c File Reference

#include "dm.h"
#include "dm-bio-prison.h"
#include <linux/spinlock.h>
#include <linux/mempool.h>
#include <linux/module.h>
#include <linux/slab.h>

Go to the source code of this file.

Data Structures
struct	dm_bio_prison_cell
struct	dm_bio_prison
struct	dm_deferred_entry
struct	dm_deferred_set

Macros
#define	DEFERRED_SET_SIZE   64

Functions
struct dm_bio_prison *	dm_bio_prison_create (unsigned nr_cells)
	EXPORT_SYMBOL_GPL (dm_bio_prison_create)
void	dm_bio_prison_destroy (struct dm_bio_prison *prison)
	EXPORT_SYMBOL_GPL (dm_bio_prison_destroy)
int	dm_bio_detain (struct dm_bio_prison *prison, struct dm_cell_key *key, struct bio *inmate, struct dm_bio_prison_cell **ref)
	EXPORT_SYMBOL_GPL (dm_bio_detain)
void	dm_cell_release (struct dm_bio_prison_cell *cell, struct bio_list *bios)
	EXPORT_SYMBOL_GPL (dm_cell_release)
void	dm_cell_release_singleton (struct dm_bio_prison_cell *cell, struct bio *bio)
	EXPORT_SYMBOL_GPL (dm_cell_release_singleton)
void	dm_cell_release_no_holder (struct dm_bio_prison_cell *cell, struct bio_list *inmates)
	EXPORT_SYMBOL_GPL (dm_cell_release_no_holder)
void	dm_cell_error (struct dm_bio_prison_cell *cell)
	EXPORT_SYMBOL_GPL (dm_cell_error)
struct dm_deferred_set *	dm_deferred_set_create (void)
	EXPORT_SYMBOL_GPL (dm_deferred_set_create)
void	dm_deferred_set_destroy (struct dm_deferred_set *ds)
	EXPORT_SYMBOL_GPL (dm_deferred_set_destroy)
struct dm_deferred_entry *	dm_deferred_entry_inc (struct dm_deferred_set *ds)
	EXPORT_SYMBOL_GPL (dm_deferred_entry_inc)
void	dm_deferred_entry_dec (struct dm_deferred_entry *entry, struct list_head *head)
	EXPORT_SYMBOL_GPL (dm_deferred_entry_dec)
int	dm_deferred_set_add_work (struct dm_deferred_set *ds, struct list_head *work)
	EXPORT_SYMBOL_GPL (dm_deferred_set_add_work)
	module_init (dm_bio_prison_init)
	module_exit (dm_bio_prison_exit)
	MODULE_DESCRIPTION (DM_NAME" bio prison")
	MODULE_AUTHOR ("Joe Thornber <[email protected]>")
	MODULE_LICENSE ("GPL")

Macro Definition Documentation

#define DEFERRED_SET_SIZE   64

Definition at line 279 of file dm-bio-prison.c.

Function Documentation

int dm_bio_detain	(	struct dm_bio_prison *	prison,
		struct dm_cell_key *	key,
		struct bio *	inmate,
		struct dm_bio_prison_cell **	ref
	)

Definition at line 124 of file dm-bio-prison.c.

struct dm_bio_prison* dm_bio_prison_create ( unsigned  nr_cells )

read

Definition at line 55 of file dm-bio-prison.c.

void dm_bio_prison_destroy

(

struct dm_bio_prison *

prison

)

Definition at line 83 of file dm-bio-prison.c.

void dm_cell_error

(

struct dm_bio_prison_cell *

cell

)

Definition at line 259 of file dm-bio-prison.c.

void dm_cell_release	(	struct dm_bio_prison_cell *	cell,
		struct bio_list *	bios
	)

Definition at line 199 of file dm-bio-prison.c.

void dm_cell_release_no_holder	(	struct dm_bio_prison_cell *	cell,
		struct bio_list *	inmates
	)

Definition at line 248 of file dm-bio-prison.c.

void dm_cell_release_singleton	(	struct dm_bio_prison_cell *	cell,
		struct bio *	bio
	)

Definition at line 224 of file dm-bio-prison.c.

void dm_deferred_entry_dec	(	struct dm_deferred_entry *	entry,
		struct list_head *	head
	)

Definition at line 353 of file dm-bio-prison.c.

struct dm_deferred_entry* dm_deferred_entry_inc ( struct dm_deferred_set *  ds )

read

Definition at line 322 of file dm-bio-prison.c.

int dm_deferred_set_add_work	(	struct dm_deferred_set *	ds,
		struct list_head *	work
	)

Definition at line 368 of file dm-bio-prison.c.

struct dm_deferred_set* dm_deferred_set_create ( void  )

read

Definition at line 294 of file dm-bio-prison.c.

void dm_deferred_set_destroy

(

struct dm_deferred_set *

ds

)

Definition at line 316 of file dm-bio-prison.c.

EXPORT_SYMBOL_GPL

(

dm_bio_prison_create

)

EXPORT_SYMBOL_GPL

(

dm_bio_prison_destroy

)

EXPORT_SYMBOL_GPL

(

dm_bio_detain

)

EXPORT_SYMBOL_GPL

(

dm_cell_release

)

EXPORT_SYMBOL_GPL

(

dm_cell_release_singleton

)

EXPORT_SYMBOL_GPL

(

dm_cell_release_no_holder

)

EXPORT_SYMBOL_GPL

(

dm_cell_error

)

EXPORT_SYMBOL_GPL

(

dm_deferred_set_create

)

EXPORT_SYMBOL_GPL

(

dm_deferred_set_destroy

)

EXPORT_SYMBOL_GPL

(

dm_deferred_entry_inc

)

EXPORT_SYMBOL_GPL

(

dm_deferred_entry_dec

)

EXPORT_SYMBOL_GPL

(

dm_deferred_set_add_work

)

MODULE_AUTHOR

(

"Joe Thornber <[email protected]>"

)

MODULE_DESCRIPTION

(

DM_NAME" bio prison"

)

module_exit

(

dm_bio_prison_exit

)

module_init

(

dm_bio_prison_init

)

MODULE_LICENSE

(

"GPL"

)