TESTS: UNMAP make sure we read the blocks back as 0 after unmap

This commit is contained in:
Ronnie Sahlberg
2013-07-05 19:34:56 -07:00
parent b2e3fc6e6f
commit b1983aeec1
8 changed files with 70 additions and 4 deletions

View File

@@ -16,6 +16,7 @@
*/
#include <stdio.h>
#include <alloca.h>
#include <CUnit/CUnit.h>
@@ -30,26 +31,84 @@ test_unmap_simple(void)
{
int i, ret;
struct unmap_list list[257];
unsigned char *buf = alloca(256 * block_size);
unsigned char *zbuf = alloca(256 * block_size);
logging(LOG_VERBOSE, LOG_BLANK_LINE);
logging(LOG_VERBOSE, "Test basic UNMAP");
CHECK_FOR_DATALOSS;
CHECK_FOR_THIN_PROVISIONING;
CHECK_FOR_SBC;
logging(LOG_VERBOSE, LOG_BLANK_LINE);
logging(LOG_VERBOSE, "Test UNMAP of 1-256 blocks at the start of the LUN as a single descriptor");
logging(LOG_VERBOSE, "Test UNMAP of 1-256 blocks at the start of the "
"LUN as a single descriptor");
logging(LOG_VERBOSE, "Write 'a' to the first 256 LBAs");
memset(buf, 'a', 256 * block_size);
memset(zbuf, 0, 256 * block_size);
ret = write10(iscsic, tgt_lun, 0, 256 * block_size,
block_size, 0, 0, 0, 0, 0, buf);
CU_ASSERT_EQUAL(ret, 0);
for (i = 1; i <= 256; i++) {
logging(LOG_VERBOSE, "UNMAP blocks 0-%d", i);
list[0].lba = 0;
list[0].num = i;
ret = unmap(iscsic, tgt_lun, 0, list, 1);
CU_ASSERT_EQUAL(ret, 0);
logging(LOG_VERBOSE, "Read blocks 0-%d", i);
ret = read10(iscsic, tgt_lun, 0, i * block_size,
block_size, 0, 0, 0, 0, 0, buf);
CU_ASSERT_EQUAL(ret, 0);
if (rc16 && rc16->lbprz) {
logging(LOG_VERBOSE, "LBPRZ==1 All UNMAPPED blocks "
"should read back as 0");
if (memcmp(buf, zbuf, i * block_size)) {
logging(LOG_NORMAL, "[FAILED] Blocks did not "
"read back as zero");
CU_FAIL("[FAILED] Blocks did not read back "
"as zero");
} else {
logging(LOG_VERBOSE, "[SUCCESS] Blocks read "
"back as zero");
}
}
}
logging(LOG_VERBOSE, "Test UNMAP of 1-256 blocks at the start of the LUN with one descriptor per block");
logging(LOG_VERBOSE, "Test UNMAP of 1-256 blocks at the start of the "
"LUN with one descriptor per block");
logging(LOG_VERBOSE, "Write 'a' to the first 256 LBAs");
memset(buf, 'a', 256 * block_size);
memset(zbuf, 0, 256 * block_size);
ret = write10(iscsic, tgt_lun, 0, 256 * block_size,
block_size, 0, 0, 0, 0, 0, buf);
CU_ASSERT_EQUAL(ret, 0);
for (i = 0; i < 256; i++) {
list[i].lba = i;
list[i].num = 1;
ret = unmap(iscsic, tgt_lun, 0, list, i + 1);
CU_ASSERT_EQUAL(ret, 0);
logging(LOG_VERBOSE, "Read blocks 0-%d", i);
ret = read10(iscsic, tgt_lun, 0, i * block_size,
block_size, 0, 0, 0, 0, 0, buf);
CU_ASSERT_EQUAL(ret, 0);
if (rc16 && rc16->lbprz) {
logging(LOG_VERBOSE, "LBPRZ==1 All UNMAPPED blocks "
"should read back as 0");
if (memcmp(buf, zbuf, i * block_size)) {
logging(LOG_NORMAL, "[FAILED] Blocks did not "
"read back as zero");
CU_FAIL("[FAILED] Blocks did not read back "
"as zero");
} else {
logging(LOG_VERBOSE, "[SUCCESS] Blocks read "
"back as zero");
}
}
}
}