diff options
| -rw-r--r-- | lib/test_rhashtable.c | 53 |
1 files changed, 32 insertions, 21 deletions
diff --git a/lib/test_rhashtable.c b/lib/test_rhashtable.c index 64e899b63337..16949d219291 100644 --- a/lib/test_rhashtable.c +++ b/lib/test_rhashtable.c @@ -56,8 +56,13 @@ static bool enomem_retry = false; module_param(enomem_retry, bool, 0); MODULE_PARM_DESC(enomem_retry, "Retry insert even if -ENOMEM was returned (default: off)"); +struct test_obj_val { + int id; + int tid; +}; + struct test_obj { - int value; + struct test_obj_val value; struct rhash_head node; }; @@ -72,7 +77,7 @@ static struct test_obj array[MAX_ENTRIES]; static struct rhashtable_params test_rht_params = { .head_offset = offsetof(struct test_obj, node), .key_offset = offsetof(struct test_obj, value), - .key_len = sizeof(int), + .key_len = sizeof(struct test_obj_val), .hashfn = jhash, .nulls_base = (3U << RHT_BASE_SHIFT), }; @@ -109,24 +114,26 @@ static int __init test_rht_lookup(struct rhashtable *ht) for (i = 0; i < entries * 2; i++) { struct test_obj *obj; bool expected = !(i % 2); - u32 key = i; + struct test_obj_val key = { + .id = i, + }; - if (array[i / 2].value == TEST_INSERT_FAIL) + if (array[i / 2].value.id == TEST_INSERT_FAIL) expected = false; obj = rhashtable_lookup_fast(ht, &key, test_rht_params); if (expected && !obj) { - pr_warn("Test failed: Could not find key %u\n", key); + pr_warn("Test failed: Could not find key %u\n", key.id); return -ENOENT; } else if (!expected && obj) { pr_warn("Test failed: Unexpected entry found for key %u\n", - key); + key.id); return -EEXIST; } else if (expected && obj) { - if (obj->value != i) { + if (obj->value.id != i) { pr_warn("Test failed: Lookup value mismatch %u!=%u\n", - obj->value, i); + obj->value.id, i); return -EINVAL; } } @@ -195,7 +202,7 @@ static s64 __init test_rhashtable(struct rhashtable *ht) for (i = 0; i < entries; i++) { struct test_obj *obj = &array[i]; - obj->value = i * 2; + obj->value.id = i * 2; err = insert_retry(ht, &obj->node, test_rht_params); if (err > 0) insert_retries += err; @@ -218,7 +225,7 @@ static s64 __init test_rhashtable(struct rhashtable *ht) for (i = 0; i < entries; i++) { u32 key = i * 2; - if (array[i].value != TEST_INSERT_FAIL) { + if (array[i].value.id != TEST_INSERT_FAIL) { obj = rhashtable_lookup_fast(ht, &key, test_rht_params); BUG_ON(!obj); @@ -242,18 +249,21 @@ static int thread_lookup_test(struct thread_data *tdata) for (i = 0; i < entries; i++) { struct test_obj *obj; - int key = (tdata->id << 16) | i; + struct test_obj_val key = { + .id = i, + .tid = tdata->id, + }; obj = rhashtable_lookup_fast(&ht, &key, test_rht_params); - if (obj && (tdata->objs[i].value == TEST_INSERT_FAIL)) { - pr_err(" found unexpected object %d\n", key); + if (obj && (tdata->objs[i].value.id == TEST_INSERT_FAIL)) { + pr_err(" found unexpected object %d-%d\n", key.tid, key.id); err++; - } else if (!obj && (tdata->objs[i].value != TEST_INSERT_FAIL)) { - pr_err(" object %d not found!\n", key); + } else if (!obj && (tdata->objs[i].value.id != TEST_INSERT_FAIL)) { + pr_err(" object %d-%d not found!\n", key.tid, key.id); err++; - } else if (obj && (obj->value != key)) { - pr_err(" wrong object returned (got %d, expected %d)\n", - obj->value, key); + } else if (obj && memcmp(&obj->value, &key, sizeof(key))) { + pr_err(" wrong object returned (got %d-%d, expected %d-%d)\n", + obj->value.tid, obj->value.id, key.tid, key.id); err++; } @@ -272,7 +282,8 @@ static int threadfunc(void *data) pr_err(" thread[%d]: down_interruptible failed\n", tdata->id); for (i = 0; i < entries; i++) { - tdata->objs[i].value = (tdata->id << 16) | i; + tdata->objs[i].value.id = i; + tdata->objs[i].value.tid = tdata->id; err = insert_retry(&ht, &tdata->objs[i].node, test_rht_params); if (err > 0) { insert_retries += err; @@ -295,7 +306,7 @@ static int threadfunc(void *data) for (step = 10; step > 0; step--) { for (i = 0; i < entries; i += step) { - if (tdata->objs[i].value == TEST_INSERT_FAIL) + if (tdata->objs[i].value.id == TEST_INSERT_FAIL) continue; err = rhashtable_remove_fast(&ht, &tdata->objs[i].node, test_rht_params); @@ -304,7 +315,7 @@ static int threadfunc(void *data) tdata->id); goto out; } - tdata->objs[i].value = TEST_INSERT_FAIL; + tdata->objs[i].value.id = TEST_INSERT_FAIL; cond_resched(); } |