static status_t
checksumfs_initialize(int fd, partition_id partition, const char* name,
const char* parameters, off_t partitionSize, disk_job_id job)
{
if (name == NULL || strlen(name) >= kCheckSumFSNameLength)
return B_BAD_VALUE;
// TODO: Forcing a non-empty name here. Superfluous when the userland disk
// system add-on has a parameter editor for it.
if (*name == '\0')
name = "Unnamed";
update_disk_device_job_progress(job, 0);
Volume volume(0);
status_t error = volume.Init(fd, partitionSize / B_PAGE_SIZE);
if (error != B_OK)
return error;
error = volume.Initialize(name);
if (error != B_OK)
return error;
// rescan partition
error = scan_partition(partition);
if (error != B_OK)
return error;
update_disk_device_job_progress(job, 1);
return B_OK;
}
int main(int argc, char **argv)
{
if (argc != 7 && (argc != 3 || (argc == 3 && strcmp(argv[1],"scan"))!=0)
&& (argc != 6 || (argc == 6 && strcmp(argv[1],"scan"))!=0))
return die("Usage: %s dump|flash <partition> <partition_start_block> <reservoirpartition> <reservoir_start_block> <file>\n"
"E.g. %s dump boot 72 reservoir 2004 file.bin\n"
"Usage: %s scan <partition> [<partition_start_block> <reservoirpartition> <reservoir_start_block>]\n"
,argv[0], argv[0], argv[0]);
int num_partitions = mtd_scan_partitions();
const MtdPartition *pSrcPart = mtd_find_partition_by_name(argv[2]);
if (pSrcPart == NULL)
return die("Cannot find partition %s", argv[2]);
int scanResult = scan_partition(pSrcPart);
if (argc == 3 && strcmp(argv[1],"scan")==0)
{
return (scanResult == 0 ? 0 : EXIT_CODE_BAD_BLOCKS);
}
int retVal = 0;
const MtdPartition* pReservoirPart = mtd_find_partition_by_name(argv[4]);
if (pReservoirPart == NULL)
return die("Cannot find partition %s", argv[4]);
int srcPartStartBlock = atoi(argv[3]);
int reservoirPartStartBlock = atoi(argv[5]);
const unsigned short* pMapping = CreateBlockMapping(pSrcPart, srcPartStartBlock,
pReservoirPart, reservoirPartStartBlock);
if (pMapping == NULL && scanResult == 0)
{
printf("Generating empty block mapping table for error-free partition.\n");
pMapping = CreateEmptyBlockMapping(pSrcPart);
}
if (argc == 6 && strcmp(argv[1],"scan")==0)
{
retVal = (scanResult == 0 ? 0 : EXIT_CODE_BAD_BLOCKS);
}
if (pMapping == NULL)
return die("Failed to create block mapping table");
if (strcmp(argv[1],"dump")==0)
{
retVal = dump_bml_partition(pSrcPart, pReservoirPart, pMapping, argv[6]);
if (retVal == 0)
printf("Successfully dumped partition to %s\n", argv[6]);
}
if (strcmp(argv[1],"flash")==0)
{
retVal = flash_bml_partition(pSrcPart, pReservoirPart, pMapping, argv[6]);
if (retVal == 0)
printf("Successfully wrote %s to partition\n", argv[6]);
}
ReleaseBlockMapping(pMapping);
return retVal;
}
