Merge branch 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa...

[karo-tx-linux.git] / lib / test_rhashtable.c

diff --git a/lib/test_rhashtable.c b/lib/test_rhashtable.c
index 64e899b633371d252deaf057156408a8ea8f4625..0ffca990a83370d13553266be315f9373d6995da 100644 (file)
--- 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;
@@ -216,9 +223,11 @@ static s64 __init test_rhashtable(struct rhashtable *ht)
 
        pr_info("  Deleting %d keys\n", entries);
        for (i = 0; i < entries; i++) {
-               u32 key = i * 2;
+               struct test_obj_val key = {
+                       .id = 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 +251,21 @@ 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 +284,8 @@ 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 +308,7 @@ 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 +317,7 @@ 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();
                }