C++ (Cpp) ext2fs_badblocks_list_create示例

示例#1

文件： read_bb.c 项目： 0xD34D/android_external_busybox

/*
 * Reads the current bad blocks from the bad blocks inode.
 */
errcode_t ext2fs_read_bb_inode(ext2_filsys fs, ext2_badblocks_list *bb_list)
{
	errcode_t	retval;
	struct read_bb_record rb;
	struct ext2_inode inode;
	blk_t	numblocks;

	EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS);

	if (!*bb_list) {
		retval = ext2fs_read_inode(fs, EXT2_BAD_INO, &inode);
		if (retval)
			return retval;
		if (inode.i_blocks < 500)
			numblocks = (inode.i_blocks /
				     (fs->blocksize / 512)) + 20;
		else
			numblocks = 500;
		retval = ext2fs_badblocks_list_create(bb_list, numblocks);
		if (retval)
			return retval;
	}

	rb.bb_list = *bb_list;
	rb.err = 0;
	retval = ext2fs_block_iterate2(fs, EXT2_BAD_INO, 0, 0,
				      mark_bad_block, &rb);
	if (retval)
		return retval;

	return rb.err;
}

示例#2

文件： read_bb_file.c 项目： Angeloyd/e2fsprogs

/*
 * Reads a list of bad blocks from  a FILE *
 */
errcode_t ext2fs_read_bb_FILE2(ext2_filsys fs, FILE *f,
			       ext2_badblocks_list *bb_list,
			       void *priv_data,
			       void (*invalid)(ext2_filsys fs,
					       blk_t blk,
					       char *badstr,
					       void *priv_data))
{
	errcode_t	retval;
	blk_t		blockno;
	int		count;
	char		buf[128];

	if (fs)
		EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS);

	if (!*bb_list) {
		retval = ext2fs_badblocks_list_create(bb_list, 10);
		if (retval)
			return retval;
	}

	while (!feof (f)) {
		if (fgets(buf, sizeof(buf), f) == NULL)
			break;
		count = sscanf(buf, "%u", &blockno);
		if (count <= 0)
			continue;
		if (fs &&
		    ((blockno < fs->super->s_first_data_block) ||
		     (blockno >= ext2fs_blocks_count(fs->super)))) {
			if (invalid)
				(invalid)(fs, blockno, buf, priv_data);
			continue;
		}
		retval = ext2fs_badblocks_list_add(*bb_list, blockno);
		if (retval)
			return retval;
	}
	return 0;
}

示例#3

文件： tst_badblocks.c 项目： livebox/livebox2

static errcode_t create_test_list(blk_t *vec, badblocks_list *ret)
{
	errcode_t	retval;
	badblocks_list	bb;
	int		i;
	
	retval = ext2fs_badblocks_list_create(&bb, 5);
	if (retval) {
		com_err("create_test_list", retval, "while creating list");
		return retval;
	}
	for (i=0; vec[i]; i++) {
		retval = ext2fs_badblocks_list_add(bb, vec[i]);
		if (retval) {
			com_err("create_test_list", retval,
				"while adding test vector %d", i);
			ext2fs_badblocks_list_free(bb);
			return retval;
		}
	}
	*ret = bb;
	return 0;
}

示例#4

文件： read_bb.c 项目： AOSP-JF/platform_external_e2fsprogs

/*
 * Reads the current bad blocks from the bad blocks inode.
 */
errcode_t ext2fs_read_bb_inode(ext2_filsys fs, ext2_badblocks_list *bb_list)
{
	errcode_t	retval;
	struct read_bb_record rb;
	struct ext2_inode inode;
	blk_t	numblocks;

	EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS);

	if (!*bb_list) {
		retval = ext2fs_read_inode(fs, EXT2_BAD_INO, &inode);
		if (retval)
			return retval;
		numblocks = inode.i_blocks;
		if (!((fs->super->s_feature_ro_compat &
		       EXT4_FEATURE_RO_COMPAT_HUGE_FILE) &&
		      (inode.i_flags & EXT4_HUGE_FILE_FL)))
			numblocks = numblocks / (fs->blocksize / 512);
		numblocks += 20;
		if (numblocks < 50)
			numblocks = 50;
		if (numblocks > 50000)
			numblocks = 500;
		retval = ext2fs_badblocks_list_create(bb_list, numblocks);
		if (retval)
			return retval;
	}

	rb.bb_list = *bb_list;
	rb.err = 0;
	retval = ext2fs_block_iterate2(fs, EXT2_BAD_INO, BLOCK_FLAG_READ_ONLY,
				       0, mark_bad_block, &rb);
	if (retval)
		return retval;

	return rb.err;
}

示例#5

文件： bb_compat.c 项目： 119/aircam-openwrt

errcode_t badblocks_list_create(badblocks_list *ret, int size)
{
	return ext2fs_badblocks_list_create(ret, size);
}

示例#6

文件： tst_iscan.c 项目： haie1011/nofs

/*
 * Setup the variables for doing the inode scan test.
 */
static void setup(void)
{
	errcode_t	retval;
	int		i;
	struct ext2_super_block param;

	initialize_ext2_error_table();

	memset(&param, 0, sizeof(param));
	param.s_blocks_count = 12000;


	test_io_cb_read_blk = test_read_blk;

	retval = ext2fs_initialize("test fs", 0, &param,
				   test_io_manager, &test_fs);
	if (retval) {
		com_err("setup", retval,
			"While initializing filesystem");
		exit(1);
	}
	retval = ext2fs_allocate_tables(test_fs);
	if (retval) {
		com_err("setup", retval,
			"While allocating tables for test filesystem");
		exit(1);
	}
	retval = ext2fs_allocate_block_bitmap(test_fs, "bad block map",
					      &bad_block_map);
	if (retval) {
		com_err("setup", retval,
			"While allocating bad_block bitmap");
		exit(1);
	}
	retval = ext2fs_allocate_block_bitmap(test_fs, "touched map",
					      &touched_map);
	if (retval) {
		com_err("setup", retval,
			"While allocating touched block bitmap");
		exit(1);
	}
	retval = ext2fs_allocate_inode_bitmap(test_fs, "bad inode map",
					      &bad_inode_map);
	if (retval) {
		com_err("setup", retval,
			"While allocating bad inode bitmap");
		exit(1);
	}

	retval = ext2fs_badblocks_list_create(&test_badblocks, 5);
	if (retval) {
		com_err("setup", retval, "while creating badblocks list");
		exit(1);
	}
	for (i=0; test_vec[i]; i++) {
		retval = ext2fs_badblocks_list_add(test_badblocks, test_vec[i]);
		if (retval) {
			com_err("setup", retval,
				"while adding test vector %d", i);
			exit(1);
		}
		ext2fs_mark_block_bitmap(bad_block_map, test_vec[i]);
	}
	test_fs->badblocks = test_badblocks;
}