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add a option in jffs2_config.h(whose value may be important to reading/writing speed) 

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1951 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
goprife@gmail.com 2012-02-16 18:12:45 +00:00
parent be7bd6b5d7
commit 7114014429
2 changed files with 6 additions and 2 deletions
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3
components/dfs/filesystems/jffs2/jffs2_config.h
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@ -7,6 +7,9 @@
#define DEVICE_PART_MAX 1 /* the max partions on a nand deivce*/
/* memory page size in kernel/asm/page.h, it is correspond with flash read/write
* option, so this size has a great impact on reading/writing speed */
#define CONFIG_JFFS2_PAGE_SHIFT 12 /* (1<<12) 4096bytes*/
/* jffs2 support relative dir, command "ls" will get
* +-------------------------------+

3
components/dfs/filesystems/jffs2/kernel/asm/page.h
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@ -2,7 +2,8 @@
#define __ASM_PAGE_H__
//#include <pkgconf/linux_compat.h> //mod by prife
#define PAGE_SHIFT 12 // add by prife 4K
#include "jffs2_config.h"
#define PAGE_SHIFT CONFIG_JFFS2_PAGE_SHIFT
/* These aren't used by much yet. If that changes, you might want
to make them actually correct :) */
#define PAGE_SIZE (0x1 << PAGE_SHIFT)