/**
* test_update - check volume update and atomic LEB change capabilities.
*
* @type volume type (%UBI_DYNAMIC_VOLUME or %UBI_STATIC_VOLUME)
*
* This function returns %0 in case of success and %-1 in case of failure.
*/
static int test_update(int type)
{
struct ubi_mkvol_request req;
const char *name = TESTNAME ":io_update()";
int alignments[] = ALIGNMENTS(dev_info.leb_size);
struct ubi_vol_info vol_info;
char vol_node[strlen(UBI_VOLUME_PATTERN) + 100];
unsigned int i;
for (i = 0; i < sizeof(alignments)/sizeof(int); i++) {
int leb_size;
req.vol_id = UBI_VOL_NUM_AUTO;
req.vol_type = type;
req.name = name;
req.alignment = alignments[i];
req.alignment -= req.alignment % dev_info.min_io_size;
if (req.alignment == 0)
req.alignment = dev_info.min_io_size;
leb_size = dev_info.leb_size - dev_info.leb_size % req.alignment;
req.bytes = MIN_AVAIL_EBS * leb_size;
if (ubi_mkvol(libubi, node, &req)) {
failed("ubi_mkvol");
return -1;
}
sprintf(vol_node, UBI_VOLUME_PATTERN, dev_info.dev_num,
req.vol_id);
if (ubi_get_vol_info(libubi, vol_node, &vol_info)) {
failed("ubi_get_vol_info");
goto remove;
}
if (test_update1(&vol_info, 0)) {
err_msg("alignment = %d", req.alignment);
goto remove;
}
if (vol_info.type != UBI_STATIC_VOLUME) {
if (test_update1(&vol_info, 1)) {
err_msg("alignment = %d", req.alignment);
goto remove;
}
}
if (ubi_rmvol(libubi, node, req.vol_id)) {
failed("ubi_rmvol");
return -1;
}
}
return 0;
remove:
ubi_rmvol(libubi, node, req.vol_id);
return -1;
}
/**
* test_aligned - test volume alignment feature.
*
* @type volume type (%UBI_DYNAMIC_VOLUME or %UBI_STATIC_VOLUME)
*
* Thus function returns %0 in case of success and %-1 in case of failure.
*/
static int test_aligned(int type)
{
unsigned int i, ebsz;
struct ubi_mkvol_request req;
const char *name = TESTNAME ":test_aligned()";
char vol_node[strlen(UBI_VOLUME_PATTERN) + 100];
int alignments[] = ALIGNMENTS(dev_info.leb_size);
req.vol_type = type;
req.name = name;
for (i = 0; i < sizeof(alignments)/sizeof(int); i++) {
req.vol_id = UBI_VOL_NUM_AUTO;
req.alignment = alignments[i];
req.alignment -= req.alignment % dev_info.min_io_size;
if (req.alignment == 0)
req.alignment = dev_info.min_io_size;
ebsz = dev_info.leb_size - dev_info.leb_size % req.alignment;
req.bytes = MIN_AVAIL_EBS * ebsz;
if (ubi_mkvol(libubi, node, &req)) {
failed("ubi_mkvol");
return -1;
}
sprintf(vol_node, UBI_VOLUME_PATTERN, dev_info.dev_num, req.vol_id);
/* Make sure newly created volume contains only 0xFF bytes */
if (check_vol_patt(vol_node, 0xFF))
goto remove;
/* Write 0xA5 bytes to the volume */
if (update_vol_patt(vol_node, req.bytes, 0xA5))
goto remove;
if (check_vol_patt(vol_node, 0xA5))
goto remove;
if (ubi_rmvol(libubi, node, req.vol_id)) {
failed("ubi_rmvol");
return -1;
}
}
return 0;
remove:
ubi_rmvol(libubi, node, req.vol_id);
return -1;
}
/**
* mkvol_alignment - create volumes with different alignments.
*
* Thus function returns %0 in case of success and %-1 in case of failure.
*/
static int mkvol_alignment(void)
{
struct ubi_mkvol_request req;
int i, vol_id, ebsz;
const char *name = PROGRAM_NAME ":mkvol_alignment()";
int alignments[] = ALIGNMENTS(dev_info.leb_size);
for (i = 0; i < sizeof(alignments)/sizeof(int); i++) {
req.vol_id = UBI_VOL_NUM_AUTO;
/* Alignment should actually be multiple of min. I/O size */
req.alignment = alignments[i];
req.alignment -= req.alignment % dev_info.min_io_size;
if (req.alignment == 0)
req.alignment = dev_info.min_io_size;
/* Bear in mind alignment reduces EB size */
ebsz = dev_info.leb_size - dev_info.leb_size % req.alignment;
req.bytes = (long long)dev_info.avail_lebs * ebsz;
req.vol_type = UBI_DYNAMIC_VOLUME;
req.name = name;
if (ubi_mkvol(libubi, node, &req)) {
failed("ubi_mkvol");
errorm("alignment %d", req.alignment);
return -1;
}
vol_id = req.vol_id;
if (check_volume(vol_id, &req))
goto remove;
if (ubi_rmvol(libubi, node, vol_id)) {
failed("ubi_rmvol");
return -1;
}
}
return 0;
remove:
ubi_rmvol(libubi, node, vol_id);
return -1;
}
