From 6d4c8343d33e7d8fa059246310413f029a9e8573 Mon Sep 17 00:00:00 2001 From: Li Wang Date: Thu, 7 Jul 2022 17:38:45 +0800 Subject: [PATCH] mountns0[1-3]: wait for umount completed in thread_b To get rid of race condition (occurs with umount_folders): mountns01.c:42: TPASS: shared mount in parent passed mountns01.c:83: TPASS: shared mount in child passed tst_device.c:394: TWARN: umount('B') failed with EINVAL mountns.h:39: TWARN: umount(B) failed: EINVAL (22) Signed-off-by: Li Wang Reviewed-by: Yang Xu [ upstream status: 6d4c8343d33e7d8fa059246310413f029a9e8573 ] --- testcases/kernel/containers/mountns/mountns01.c | 2 ++ testcases/kernel/containers/mountns/mountns02.c | 2 ++ testcases/kernel/containers/mountns/mountns03.c | 2 ++ 3 files changed, 6 insertions(+) diff --git a/testcases/kernel/containers/mountns/mountns01.c b/testcases/kernel/containers/mountns/mountns01.c index e99134aba..e8f176920 100644 --- a/testcases/kernel/containers/mountns/mountns01.c +++ b/testcases/kernel/containers/mountns/mountns01.c @@ -86,6 +86,8 @@ static void run(void) TST_CHECKPOINT_WAKE(0); + SAFE_WAIT(NULL); + SAFE_UMOUNT(DIRA); } diff --git a/testcases/kernel/containers/mountns/mountns02.c b/testcases/kernel/containers/mountns/mountns02.c index 258b61217..4b85fa79b 100644 --- a/testcases/kernel/containers/mountns/mountns02.c +++ b/testcases/kernel/containers/mountns/mountns02.c @@ -87,6 +87,8 @@ static void run(void) TST_CHECKPOINT_WAKE(0); + SAFE_WAIT(NULL); + SAFE_UMOUNT(DIRA); } diff --git a/testcases/kernel/containers/mountns/mountns03.c b/testcases/kernel/containers/mountns/mountns03.c index f37ae7902..1d26a25d8 100644 --- a/testcases/kernel/containers/mountns/mountns03.c +++ b/testcases/kernel/containers/mountns/mountns03.c @@ -97,6 +97,8 @@ static void run(void) TST_CHECKPOINT_WAKE(0); + SAFE_WAIT(NULL); + SAFE_UMOUNT(DIRA); } -- 2.37.1