[Devel] [PATCH vz10] selftests/uevent: give the netlink socket a usable receive buffer

[Eva Kurchatova]

SO_RCVBUF is set to __UEVENT_BUFFER_SIZE, 4KB, which a busy machine
overruns while the test is listening:

  No buffer space available - Failed to receive uevent

https://virtuozzo.atlassian.net/browse/VSTOR-139674
Feature: fix selftests
Signed-off-by: Eva Kurchatova <eva.kurchatova at virtuozzo.com>
---
 tools/testing/selftests/uevent/uevent_filtering.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/uevent/uevent_filtering.c b/tools/testing/selftests/uevent/uevent_filtering.c
index 8062804ff759..3b504c9e645d 100644
--- a/tools/testing/selftests/uevent/uevent_filtering.c
+++ b/tools/testing/selftests/uevent/uevent_filtering.c
@@ -22,7 +22,7 @@
 #include "../kselftest_harness.h"
 
 #define __DEV_FULL "/sys/devices/virtual/mem/full/uevent"
-#define __UEVENT_BUFFER_SIZE (2048 * 2)
+#define __UEVENT_BUFFER_SIZE (2048 * 64)
 #define __UEVENT_HEADER "add@/devices/virtual/mem/full"
 #define __UEVENT_HEADER_LEN sizeof("add@/devices/virtual/mem/full")
 #define __UEVENT_LISTEN_ALL -1
-- 
2.55.0