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test-tool/test_compareandwrite_*: Stop at end of medium

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Since the argument num_blocks - i is passed as the LBA argument
to COMPAREANDWRITE(), avoid that a negative number is passed.

Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com>
This commit is contained in:
Bart Van Assche
2017-10-30 16:57:57 -07:00
parent fee9eb9423
commit 8f468b14fc
4 changed files with 38 additions and 20 deletions
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8
test-tool/test_multipathio_compareandwrite.c
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@@ -34,7 +34,7 @@ test_multipathio_compareandwrite(void)
{
int io_bl = 1; /* 1 block CAW IOs */
int path;
int i, ret;
int i, n, ret;
int maxbl;
CHECK_FOR_DATALOSS;
@@ -52,6 +52,10 @@ test_multipathio_compareandwrite(void)
return;
}
n = 256;
if (n + 0U > num_blocks)
n = num_blocks;
logging(LOG_VERBOSE, LOG_BLANK_LINE);
logging(LOG_VERBOSE, "Initialising data prior to COMPARE_AND_WRITE");
@@ -66,7 +70,7 @@ test_multipathio_compareandwrite(void)
CU_ASSERT_EQUAL(ret, 0);
logging(LOG_VERBOSE, "Test multipath COMPARE_AND_WRITE");
for (i = 0; i < 256; i++) {
for (i = 0; i <= n; i++) {
for (path = 0; path < mp_num_sds; path++) {
logging(LOG_VERBOSE,