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blob_ut: add create_loop

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This test repeatedly creates and deletes blobs to
confirm that the used_md_pages and used_clusters
bit arrays are managed properly.  This test exposed
the bug reported in #1590 which has now been fixed.

Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-ID: If5d7b7f03cc2fb9daac928573c73430b74ea9a51
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/4038
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
This commit is contained in:
Jim Harris 2020-09-02 19:08:06 +00:00 committed by Tomasz Zawadzki
parent c8c73af940
commit 3c31f6dc03
1 changed files with 31 additions and 0 deletions
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31
test/unit/lib/blob/blob.c/blob_ut.c
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@ -443,6 +443,36 @@ blob_create(void)
CU_ASSERT(g_bserrno == -ENOSPC);
}
/*
* Create and delete one blob in a loop over and over again. This helps ensure
* that the internal bit masks tracking used clusters and md_pages are being
* tracked correctly.
*/
static void
blob_create_loop(void)
{
struct spdk_blob_store *bs = g_bs;
struct spdk_blob_opts opts;
uint32_t i, loop_count;
loop_count = 4 * spdk_max(spdk_bit_array_capacity(bs->used_md_pages),
spdk_bit_array_capacity(bs->used_clusters));
for (i = 0; i < loop_count; i++) {
ut_spdk_blob_opts_init(&opts);
opts.num_clusters = 1;
g_bserrno = -1;
g_blobid = SPDK_BLOBID_INVALID;
spdk_bs_create_blob_ext(bs, &opts, blob_op_with_id_complete, NULL);
poll_threads();
CU_ASSERT(g_bserrno == 0);
CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
spdk_bs_delete_blob(bs, g_blobid, blob_op_complete, NULL);
poll_threads();
CU_ASSERT(g_bserrno == 0);
}
}
static void
blob_create_fail(void)
{
@ -6648,6 +6678,7 @@ int main(int argc, char **argv)
CU_ADD_TEST(suite, blob_init);
CU_ADD_TEST(suite_bs, blob_open);
CU_ADD_TEST(suite_bs, blob_create);
CU_ADD_TEST(suite_bs, blob_create_loop);
CU_ADD_TEST(suite_bs, blob_create_fail);
CU_ADD_TEST(suite_bs, blob_create_internal);
CU_ADD_TEST(suite, blob_thin_provision);