| From 6d4c8343d33e7d8fa059246310413f029a9e8573 Mon Sep 17 00:00:00 2001 |
| From: Li Wang <liwang@redhat.com> |
| 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 <liwang@redhat.com> |
| Reviewed-by: Yang Xu <xuyang2018.jy@fujitsu.com> |
| Upstream-Status: Backport [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 |
| |