LU-9846 lod: Add overstriping support

[fs/lustre-release.git] / lustre / tests / llapi_layout_test.c

diff --git a/lustre/tests/llapi_layout_test.c b/lustre/tests/llapi_layout_test.c
index 3002929..7ff1340 100644 (file)
--- a/lustre/tests/llapi_layout_test.c
+++ b/lustre/tests/llapi_layout_test.c
@@ -49,6 +49,7 @@
 #include <sys/stat.h>
 #include <getopt.h>
 #include <inttypes.h>
+#include <sys/ioctl.h>
 
 #define ERROR(fmt, ...)                                                        \
        fprintf(stderr, "%s: %s:%d: %s: " fmt "\n",                     \
@@ -1529,7 +1530,99 @@ void test31(void)
                "s: %"PRIu64", e: %"PRIu64"", s, e);
 }
 
-#define TEST_DESC_LEN  50
+#define T32FILE                        "t32"
+#define T32_STRIPE_COUNT       (num_osts*2)
+#define T32_DESC               "Test overstriping with layout_file_create"
+void test32(void)
+{
+       int rc;
+       int fd;
+       uint64_t count;
+       struct llapi_layout *layout = llapi_layout_alloc();
+       void *lmdbuf = NULL;
+       struct lov_user_md *lmd;
+       char path[PATH_MAX];
+
+       ASSERTF(layout != NULL, "errno %d", errno);
+
+       /* Maximum possible, to be on the safe side - num_osts could be large */
+       lmdbuf = malloc(XATTR_SIZE_MAX);
+       ASSERTF(lmdbuf != NULL, "errno %d", errno);
+       lmd = lmdbuf;
+
+       snprintf(path, sizeof(path), "%s/%s", lustre_dir, T32FILE);
+
+       rc = unlink(path);
+       ASSERTF(rc >= 0 || errno == ENOENT, "errno = %d", errno);
+
+       /* stripe count */
+       rc = llapi_layout_stripe_count_set(layout, T32_STRIPE_COUNT);
+       ASSERTF(rc == 0, "errno = %d", errno);
+       rc = llapi_layout_stripe_count_get(layout, &count);
+       ASSERTF(rc == 0 && count == T32_STRIPE_COUNT, "%"PRIu64" != %d", count,
+               T32_STRIPE_COUNT);
+
+       rc = llapi_layout_pattern_set(layout, LLAPI_LAYOUT_OVERSTRIPING);
+       ASSERTF(rc == 0, "errno = %d", errno);
+
+       /* create */
+       fd = llapi_layout_file_create(path, 0, 0660, layout);
+       ASSERTF(fd >= 0, "path = %s, errno = %d", path, errno);
+
+       rc = ioctl(fd, LL_IOC_LOV_GETSTRIPE_NEW, lmdbuf);
+       ASSERTF(rc == 0, "errno = %d", errno);
+
+       count = lmd->lmm_stripe_count;
+       ASSERTF(count == T32_STRIPE_COUNT,
+               "stripe count (%"PRIu64") not equal to expected (%d)",
+               count, T32_STRIPE_COUNT);
+
+       rc = close(fd);
+       ASSERTF(rc == 0, "errno = %d", errno);
+       llapi_layout_free(layout);
+       free(lmdbuf);
+}
+
+#define T33FILE                        "t33"
+#define T33_STRIPE_COUNT       (num_osts*2)
+#define T33_DESC               "Test overstriping with llapi_file_open"
+void test33(void)
+{
+       int rc;
+       int fd;
+       uint64_t count;
+       void *lmdbuf = NULL;
+       struct lov_user_md *lmd;
+       char path[PATH_MAX];
+
+       /* Maximum possible, to be on the safe side - num_osts could be large */
+       lmdbuf = malloc(XATTR_SIZE_MAX);
+       ASSERTF(lmdbuf != NULL, "errno %d", errno);
+       lmd = lmdbuf;
+
+       snprintf(path, sizeof(path), "%s/%s", lustre_dir, T33FILE);
+
+       rc = unlink(path);
+       ASSERTF(rc >= 0 || errno == ENOENT, "errno = %d", errno);
+
+       fd = llapi_file_open(path, O_CREAT | O_RDWR, 0660, 0, -1, num_osts*2,
+                            LOV_PATTERN_RAID0 | LOV_PATTERN_OVERSTRIPING);
+       ASSERTF(fd >= 0, "path = %s, errno = %d", path, errno);
+
+       rc = ioctl(fd, LL_IOC_LOV_GETSTRIPE_NEW, lmdbuf);
+       ASSERTF(rc == 0, "errno = %d", errno);
+
+       count = lmd->lmm_stripe_count;
+       ASSERTF(count == T33_STRIPE_COUNT,
+               "stripe count (%"PRIu64") not equal to expected (%d)",
+               count, T33_STRIPE_COUNT);
+
+       rc = close(fd);
+       ASSERTF(rc == 0, "errno = %d", errno);
+       free(lmdbuf);
+}
+
+#define TEST_DESC_LEN  80
 struct test_tbl_entry {
        void (*tte_fn)(void);
        char tte_desc[TEST_DESC_LEN];
@@ -1569,6 +1662,8 @@ static struct test_tbl_entry test_tbl[] = {
        { .tte_fn = &test29, .tte_desc = T29_DESC, .tte_skip = false },
        { .tte_fn = &test30, .tte_desc = T30_DESC, .tte_skip = false },
        { .tte_fn = &test31, .tte_desc = T31_DESC, .tte_skip = false },
+       { .tte_fn = &test32, .tte_desc = T32_DESC, .tte_skip = false },
+       { .tte_fn = &test32, .tte_desc = T33_DESC, .tte_skip = false },
 };
 
 #define NUM_TESTS      (sizeof(test_tbl) / sizeof(struct test_tbl_entry))
@@ -1713,5 +1808,6 @@ int main(int argc, char *argv[])
                if (test(tst->tte_fn, tst->tte_desc, tst->tte_skip, i) != 0)
                        rc++;
        }
+
        return rc;
 }