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Diffstat (limited to 'tools/testing/selftests/bpf/test_maps.c')
-rw-r--r--tools/testing/selftests/bpf/test_maps.c17
1 files changed, 12 insertions, 5 deletions
diff --git a/tools/testing/selftests/bpf/test_maps.c b/tools/testing/selftests/bpf/test_maps.c
index 7fc00e423e4d..767e0693df10 100644
--- a/tools/testing/selftests/bpf/test_maps.c
+++ b/tools/testing/selftests/bpf/test_maps.c
@@ -1396,13 +1396,18 @@ static void test_map_stress(void)
#define MAX_DELAY_US 50000
#define MIN_DELAY_RANGE_US 5000
-static int map_update_retriable(int map_fd, const void *key, const void *value,
- int flags, int attempts)
+static bool retry_for_again_or_busy(int err)
+{
+ return (err == EAGAIN || err == EBUSY);
+}
+
+int map_update_retriable(int map_fd, const void *key, const void *value, int flags, int attempts,
+ retry_for_error_fn need_retry)
{
int delay = rand() % MIN_DELAY_RANGE_US;
while (bpf_map_update_elem(map_fd, key, value, flags)) {
- if (!attempts || (errno != EAGAIN && errno != EBUSY))
+ if (!attempts || !need_retry(errno))
return -errno;
if (delay <= MAX_DELAY_US / 2)
@@ -1445,11 +1450,13 @@ static void test_update_delete(unsigned int fn, void *data)
key = value = i;
if (do_update) {
- err = map_update_retriable(fd, &key, &value, BPF_NOEXIST, MAP_RETRIES);
+ err = map_update_retriable(fd, &key, &value, BPF_NOEXIST, MAP_RETRIES,
+ retry_for_again_or_busy);
if (err)
printf("error %d %d\n", err, errno);
assert(err == 0);
- err = map_update_retriable(fd, &key, &value, BPF_EXIST, MAP_RETRIES);
+ err = map_update_retriable(fd, &key, &value, BPF_EXIST, MAP_RETRIES,
+ retry_for_again_or_busy);
if (err)
printf("error %d %d\n", err, errno);
assert(err == 0);