C++ (Cpp) jffs2_nand_flash_cleanup Examples

Example #1

File: fs.c Project: Dronevery/JetsonTK1-kernel

void jffs2_flash_cleanup(struct jffs2_sb_info *c) {

	if (jffs2_cleanmarker_oob(c)) {
		jffs2_nand_flash_cleanup(c);
	}

	/* add cleanups for other bizarre flashes here... */
	if (jffs2_nor_ecc(c)) {
		jffs2_nor_ecc_flash_cleanup(c);
	}
}

Example #2

File: fs.c Project: nighthawk149/fvs318g-cfw

void jffs2_flash_cleanup(struct jffs2_sb_info *c) {

	if (jffs2_cleanmarker_oob(c)) {
		jffs2_nand_flash_cleanup(c);
	}

	/* add cleanups for other bizarre flashes here... */
	if (jffs2_nor_ecc(c)) {
		jffs2_nor_ecc_flash_cleanup(c);
	}

	/* and DataFlash */
	if (jffs2_dataflash(c)) {
		jffs2_dataflash_cleanup(c);
	}

	/* and Intel "Sibley" flash */
	if (jffs2_nor_wbuf_flash(c)) {
		jffs2_nor_wbuf_flash_cleanup(c);
	}
}

Example #3

File: super.c Project: iPodLinux/linux-2.6.7-ipod

static void jffs2_put_super (struct super_block *sb)
{
	struct jffs2_sb_info *c = JFFS2_SB_INFO(sb);

	D2(printk(KERN_DEBUG "jffs2: jffs2_put_super()\n"));

	if (!(sb->s_flags & MS_RDONLY))
		jffs2_stop_garbage_collect_thread(c);
	down(&c->alloc_sem);
	jffs2_flush_wbuf_pad(c);
	up(&c->alloc_sem);
	jffs2_free_ino_caches(c);
	jffs2_free_raw_node_refs(c);
	kfree(c->blocks);
	jffs2_nand_flash_cleanup(c);
	kfree(c->inocache_list);
	if (c->mtd->sync)
		c->mtd->sync(c->mtd);

	D1(printk(KERN_DEBUG "jffs2_put_super returning\n"));
}

Example #4

int jffs2_do_fill_super(struct super_block *sb, void *data, int silent)
{
	struct jffs2_sb_info *c;
	struct inode *root_i;
	int ret;
	size_t blocks;

	c = JFFS2_SB_INFO(sb);

	c->flash_size = c->mtd->size;

	/* 
	 * Check, if we have to concatenate physical blocks to larger virtual blocks
	 * to reduce the memorysize for c->blocks. (kmalloc allows max. 128K allocation)
	 */
	blocks = c->flash_size / c->mtd->erasesize;
	while ((blocks * sizeof (struct jffs2_eraseblock)) > (128 * 1024))
		blocks >>= 1;
	
	c->sector_size = c->flash_size / blocks;
	if (c->sector_size != c->mtd->erasesize)
		printk(KERN_INFO "jffs2: Erase block size too small (%dKiB). Using virtual blocks size (%dKiB) instead\n", 
			c->mtd->erasesize / 1024, c->sector_size / 1024);

	if (c->flash_size < 5*c->sector_size) {
		printk(KERN_ERR "jffs2: Too few erase blocks (%d)\n", c->flash_size / c->sector_size);
		return -EINVAL;
	}

	c->cleanmarker_size = sizeof(struct jffs2_unknown_node);
	/* Joern -- stick alignment for weird 8-byte-page flash here */

	if (jffs2_cleanmarker_oob(c)) {
		/* NAND (or other bizarre) flash... do setup accordingly */
		ret = jffs2_nand_flash_setup(c);
		if (ret)
			return ret;
	}

	c->inocache_list = kmalloc(INOCACHE_HASHSIZE * sizeof(struct jffs2_inode_cache *), GFP_KERNEL);
	if (!c->inocache_list) {
		ret = -ENOMEM;
		goto out_wbuf;
	}
	memset(c->inocache_list, 0, INOCACHE_HASHSIZE * sizeof(struct jffs2_inode_cache *));

	if ((ret = jffs2_do_mount_fs(c)))
		goto out_inohash;

	ret = -EINVAL;

	D1(printk(KERN_DEBUG "jffs2_do_fill_super(): Getting root inode\n"));
	root_i = iget(sb, 1);
	if (is_bad_inode(root_i)) {
		D1(printk(KERN_WARNING "get root inode failed\n"));
		goto out_nodes;
	}

	D1(printk(KERN_DEBUG "jffs2_do_fill_super(): d_alloc_root()\n"));
	sb->s_root = d_alloc_root(root_i);
	if (!sb->s_root)
		goto out_root_i;

#if LINUX_VERSION_CODE >= 0x20403
	sb->s_maxbytes = 0xFFFFFFFF;
#endif
	sb->s_blocksize = PAGE_CACHE_SIZE;
	sb->s_blocksize_bits = PAGE_CACHE_SHIFT;
	sb->s_magic = JFFS2_SUPER_MAGIC;
	if (!(sb->s_flags & MS_RDONLY))
		jffs2_start_garbage_collect_thread(c);
	return 0;

 out_root_i:
	iput(root_i);
 out_nodes:
	jffs2_free_ino_caches(c);
	jffs2_free_raw_node_refs(c);
	kfree(c->blocks);
 out_inohash:
	kfree(c->inocache_list);
 out_wbuf:
	jffs2_nand_flash_cleanup(c);

	return ret;
}