C++ (Cpp) ext2fs_free_inode_cache示例

示例#1

文件： freefs.c 项目： OpenHMR/Open-HMR600

void ext2fs_free(ext2_filsys fs)
{
	if (!fs || (fs->magic != EXT2_ET_MAGIC_EXT2FS_FILSYS))
		return;
	if (fs->image_io != fs->io) {
		if (fs->image_io)
			io_channel_close(fs->image_io);
	}
	if (fs->io) {
		io_channel_close(fs->io);
	}
	ext2fs_free_mem(&fs->device_name);
	ext2fs_free_mem(&fs->super);
	ext2fs_free_mem(&fs->orig_super);
	ext2fs_free_mem(&fs->group_desc);
	ext2fs_free_block_bitmap(fs->block_map);
	ext2fs_free_inode_bitmap(fs->inode_map);

	ext2fs_badblocks_list_free(fs->badblocks);
	fs->badblocks = 0;

	ext2fs_free_dblist(fs->dblist);

	if (fs->icache)
		ext2fs_free_inode_cache(fs->icache);

	fs->magic = 0;

	ext2fs_free_mem(&fs);
}

示例#2

文件： inode.c 项目： MIPS/external-e2fsprogs

errcode_t ext2fs_create_inode_cache(ext2_filsys fs, unsigned int cache_size)
{
	unsigned	i;
	errcode_t	retval;

	if (fs->icache)
		return 0;
	retval = ext2fs_get_mem(sizeof(struct ext2_inode_cache), &fs->icache);
	if (retval)
		return retval;

	memset(fs->icache, 0, sizeof(struct ext2_inode_cache));
	retval = ext2fs_get_mem(fs->blocksize, &fs->icache->buffer);
	if (retval)
		goto errout;

	fs->icache->buffer_blk = 0;
	fs->icache->cache_last = -1;
	fs->icache->cache_size = cache_size;
	fs->icache->refcount = 1;
	retval = ext2fs_get_array(fs->icache->cache_size,
				  sizeof(struct ext2_inode_cache_ent),
				  &fs->icache->cache);
	if (retval)
		goto errout;

	for (i = 0; i < fs->icache->cache_size; i++) {
		retval = ext2fs_get_mem(EXT2_INODE_SIZE(fs->super),
					&fs->icache->cache[i].inode);
		if (retval)
			goto errout;
	}

	ext2fs_flush_icache(fs);
	return 0;
errout:
	ext2fs_free_inode_cache(fs->icache);
	fs->icache = 0;
	return retval;
}