wbuf.c File Reference

#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/mtd/mtd.h>
#include <linux/crc32.h>
#include <linux/mtd/nand.h>
#include <linux/jiffies.h>
#include <linux/sched.h>
#include <linux/writeback.h>
#include "nodelist.h"

Go to the source code of this file.

Data Structures
struct	jffs2_inodirty

Macros
#define	pr_fmt(fmt)   KBUILD_MODNAME ": " fmt
#define	PAGE_DIV(x)   ( ((unsigned long)(x) / (unsigned long)(c->wbuf_pagesize)) * (unsigned long)(c->wbuf_pagesize) )
#define	PAGE_MOD(x)   ( (unsigned long)(x) % (unsigned long)(c->wbuf_pagesize) )
#define	MAX_ERASE_FAILURES   2
#define	REFILE_NOTEMPTY   0
#define	REFILE_ANYWAY   1
#define	jffs2_verify_write(c, b, o)   (0)
#define	NOPAD   0
#define	PAD_NOACCOUNT   1
#define	PAD_ACCOUNTING   2
#define	NR_OOB_SCAN_PAGES   4
#define	OOB_CM_SIZE   8

Functions
int	jffs2_flush_wbuf_gc (struct jffs2_sb_info *c, uint32_t ino)
int	jffs2_flush_wbuf_pad (struct jffs2_sb_info *c)
int	jffs2_flash_writev (struct jffs2_sb_info *c, const struct kvec *invecs, unsigned long count, loff_t to, size_t *retlen, uint32_t ino)
int	jffs2_flash_write (struct jffs2_sb_info *c, loff_t ofs, size_t len, size_t *retlen, const u_char *buf)
int	jffs2_flash_read (struct jffs2_sb_info *c, loff_t ofs, size_t len, size_t *retlen, u_char *buf)
int	jffs2_check_oob_empty (struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb, int mode)
int	jffs2_check_nand_cleanmarker (struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb)
int	jffs2_write_nand_cleanmarker (struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb)
int	jffs2_write_nand_badblock (struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb, uint32_t bad_offset)
void	jffs2_dirty_trigger (struct jffs2_sb_info *c)
int	jffs2_nand_flash_setup (struct jffs2_sb_info *c)
void	jffs2_nand_flash_cleanup (struct jffs2_sb_info *c)
int	jffs2_dataflash_setup (struct jffs2_sb_info *c)
void	jffs2_dataflash_cleanup (struct jffs2_sb_info *c)
int	jffs2_nor_wbuf_flash_setup (struct jffs2_sb_info *c)
void	jffs2_nor_wbuf_flash_cleanup (struct jffs2_sb_info *c)
int	jffs2_ubivol_setup (struct jffs2_sb_info *c)
void	jffs2_ubivol_cleanup (struct jffs2_sb_info *c)

Macro Definition Documentation

#define jffs2_verify_write	(		c,
			b,
			o
	)		(0)

Definition at line 269 of file wbuf.c.

#define MAX_ERASE_FAILURES   2

Definition at line 39 of file wbuf.c.

#define NOPAD   0

Definition at line 576 of file wbuf.c.

#define NR_OOB_SCAN_PAGES   4

Definition at line 1017 of file wbuf.c.

#define OOB_CM_SIZE   8

Definition at line 1020 of file wbuf.c.

#define PAD_ACCOUNTING   2

Definition at line 578 of file wbuf.c.

#define PAD_NOACCOUNT   1

Definition at line 577 of file wbuf.c.

#define PAGE_DIV

(

x

)

( ((unsigned long)(x) / (unsigned long)(c->wbuf_pagesize)) * (unsigned long)(c->wbuf_pagesize) )

Definition at line 35 of file wbuf.c.

#define PAGE_MOD

(

x

)

( (unsigned long)(x) % (unsigned long)(c->wbuf_pagesize) )

Definition at line 36 of file wbuf.c.

#define pr_fmt

(

fmt

)

KBUILD_MODNAME ": " fmt

Definition at line 14 of file wbuf.c.

#define REFILE_ANYWAY   1

Definition at line 139 of file wbuf.c.

#define REFILE_NOTEMPTY   0

Definition at line 138 of file wbuf.c.

Function Documentation

int jffs2_check_nand_cleanmarker	(	struct jffs2_sb_info *	c,
		struct jffs2_eraseblock *	jeb
	)

Definition at line 1076 of file wbuf.c.

int jffs2_check_oob_empty	(	struct jffs2_sb_info *	c,
		struct jffs2_eraseblock *	jeb,
		int	mode
	)

Definition at line 1033 of file wbuf.c.

void jffs2_dataflash_cleanup

(

struct jffs2_sb_info *

c

)

Definition at line 1300 of file wbuf.c.

int jffs2_dataflash_setup

(

struct jffs2_sb_info *

c

)

Definition at line 1249 of file wbuf.c.

void jffs2_dirty_trigger

(

struct jffs2_sb_info *

c

)

Definition at line 1175 of file wbuf.c.

int jffs2_flash_read	(	struct jffs2_sb_info *	c,
		loff_t	ofs,
		size_t	len,
		size_t *	retlen,
		u_char *	buf
	)

Definition at line 957 of file wbuf.c.

int jffs2_flash_write	(	struct jffs2_sb_info *	c,
		loff_t	ofs,
		size_t	len,
		size_t *	retlen,
		const u_char *	buf
	)

Definition at line 941 of file wbuf.c.

int jffs2_flash_writev	(	struct jffs2_sb_info *	c,
		const struct kvec *	invecs,
		unsigned long	count,
		loff_t	to,
		size_t *	retlen,
		uint32_t	ino
	)

Definition at line 794 of file wbuf.c.

int jffs2_flush_wbuf_gc	(	struct jffs2_sb_info *	c,
		uint32_t	ino
	)

Definition at line 702 of file wbuf.c.

int jffs2_flush_wbuf_pad

(

struct jffs2_sb_info *

c

)

Definition at line 764 of file wbuf.c.

void jffs2_nand_flash_cleanup

(

struct jffs2_sb_info *

c

)

Definition at line 1240 of file wbuf.c.

int jffs2_nand_flash_setup

(

struct jffs2_sb_info *

c

)

Definition at line 1193 of file wbuf.c.

void jffs2_nor_wbuf_flash_cleanup

(

struct jffs2_sb_info *

c

)

Definition at line 1334 of file wbuf.c.

int jffs2_nor_wbuf_flash_setup

(

struct jffs2_sb_info *

c

)

Definition at line 1307 of file wbuf.c.

void jffs2_ubivol_cleanup

(

struct jffs2_sb_info *

c

)

Definition at line 1364 of file wbuf.c.

int jffs2_ubivol_setup

(

struct jffs2_sb_info *

c

)

Definition at line 1341 of file wbuf.c.

int jffs2_write_nand_badblock	(	struct jffs2_sb_info *	c,
		struct jffs2_eraseblock *	jeb,
		uint32_t	bad_offset
	)

Definition at line 1133 of file wbuf.c.

int jffs2_write_nand_cleanmarker	(	struct jffs2_sb_info *	c,
		struct jffs2_eraseblock *	jeb
	)

Definition at line 1100 of file wbuf.c.