linux/fs/jffs2/write.c

/*
 * JFFS2 -- Journalling Flash File System, Version 2.
 *
 * Copyright © 2001-2007 Red Hat, Inc.
 *
 * Created by David Woodhouse <[email protected]>
 *
 * For licensing information, see the file 'LICENCE' in this directory.
 *
 */

#define pr_fmt(fmt) …

#include <linux/kernel.h>
#include <linux/fs.h>
#include <linux/crc32.h>
#include <linux/pagemap.h>
#include <linux/mtd/mtd.h>
#include "nodelist.h"
#include "compr.h"


int jffs2_do_new_inode(struct jffs2_sb_info *c, struct jffs2_inode_info *f,
		       uint32_t mode, struct jffs2_raw_inode *ri)
{ … }

/* jffs2_write_dnode - given a raw_inode, allocate a full_dnode for it,
   write it to the flash, link it into the existing inode/fragment list */

struct jffs2_full_dnode *jffs2_write_dnode(struct jffs2_sb_info *c, struct jffs2_inode_info *f,
					   struct jffs2_raw_inode *ri, const unsigned char *data,
					   uint32_t datalen, int alloc_mode)

{ … }

struct jffs2_full_dirent *jffs2_write_dirent(struct jffs2_sb_info *c, struct jffs2_inode_info *f,
					     struct jffs2_raw_dirent *rd, const unsigned char *name,
					     uint32_t namelen, int alloc_mode)
{ … }

/* The OS-specific code fills in the metadata in the jffs2_raw_inode for us, so that
   we don't have to go digging in struct inode or its equivalent. It should set:
   mode, uid, gid, (starting)isize, atime, ctime, mtime */
int jffs2_write_inode_range(struct jffs2_sb_info *c, struct jffs2_inode_info *f,
			    struct jffs2_raw_inode *ri, unsigned char *buf,
			    uint32_t offset, uint32_t writelen, uint32_t *retlen)
{ … }

int jffs2_do_create(struct jffs2_sb_info *c, struct jffs2_inode_info *dir_f,
		    struct jffs2_inode_info *f, struct jffs2_raw_inode *ri,
		    const struct qstr *qstr)
{ … }


int jffs2_do_unlink(struct jffs2_sb_info *c, struct jffs2_inode_info *dir_f,
		    const char *name, int namelen, struct jffs2_inode_info *dead_f,
		    uint32_t time)
{ … }


int jffs2_do_link (struct jffs2_sb_info *c, struct jffs2_inode_info *dir_f, uint32_t ino, uint8_t type, const char *name, int namelen, uint32_t time)
{ … }