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authorMauro Carvalho Chehab <mchehab@s-opensource.com>2017-08-08 05:38:41 -0400
committerMauro Carvalho Chehab <mchehab@s-opensource.com>2017-08-08 05:38:41 -0400
commit1d54267b236c503f4a6ffa501e4b129038ae9480 (patch)
tree6abce58ab51b794d698e6fc6ab6b386599798b65 /lib/test_rhashtable.c
parentda48c948c263c9d87dfc64566b3373a858cc8aa2 (diff)
parentaae4e7a8bc44722fe70d58920a36916b1043195e (diff)
Merge tag 'v4.13-rc4' into patchwork
Linux 4.13-rc4 * tag 'v4.13-rc4': (863 commits) Linux 4.13-rc4 Fix compat_sys_sigpending breakage ext4: fix copy paste error in ext4_swap_extents() ext4: fix overflow caused by missing cast in ext4_resize_fs() ext4, project: expand inode extra size if possible ext4: cleanup ext4_expand_extra_isize_ea() ext4: restructure ext4_expand_extra_isize ext4: fix forgetten xattr lock protection in ext4_expand_extra_isize ext4: make xattr inode reads faster ext4: inplace xattr block update fails to deduplicate blocks ext4: remove unused mode parameter ext4: fix warning about stack corruption ext4: fix dir_nlink behaviour ext4: silence array overflow warning ext4: fix SEEK_HOLE/SEEK_DATA for blocksize < pagesize platform/x86: intel-vbtn: match power button on press rather than release ext4: release discard bio after sending discard commands sparc64: Fix exception handling in UltraSPARC-III memcpy. arm64: avoid overflow in VA_START and PAGE_OFFSET arm64: Fix potential race with hardware DBM in ptep_set_access_flags() ...
Diffstat (limited to 'lib/test_rhashtable.c')
-rw-r--r--lib/test_rhashtable.c57
1 files changed, 35 insertions, 22 deletions
diff --git a/lib/test_rhashtable.c b/lib/test_rhashtable.c
index 64e899b63337..0ffca990a833 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;
@@ -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();
}