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Date:      Fri, 6 Oct 2023 21:08:24 GMT
From:      Alan Somers <asomers@FreeBSD.org>
To:        src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org
Subject:   git: 8399d764c929 - main - Fix intermittency in the sys.fs.fusefs.symlink.main test
Message-ID:  <202310062108.396L8OFk059646@gitrepo.freebsd.org>

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The branch main has been updated by asomers:

URL: https://cgit.FreeBSD.org/src/commit/?id=8399d764c929a4b2fa98dbfae0ca7359810e4668

commit 8399d764c929a4b2fa98dbfae0ca7359810e4668
Author:     Alan Somers <asomers@FreeBSD.org>
AuthorDate: 2023-10-06 21:05:41 +0000
Commit:     Alan Somers <asomers@FreeBSD.org>
CommitDate: 2023-10-06 21:08:03 +0000

    Fix intermittency in the sys.fs.fusefs.symlink.main test
    
    This change is identical to 86885b18689 but for symlink instead of
    mknod.  The kernel sends a FUSE_FORGET asynchronously with the final
    syscall.  The lack of an expectation caused this test to occasionally
    fail.
    
    Also, remove a sleep that accidentally snuck into a different test.
    
    MFC after:      2 weeks
    MFC with:       86885b18689889e9b9142fd31d8c67f21334ba32
    Sponsored by:   Axcient
---
 tests/sys/fs/fusefs/mkdir.cc   | 1 -
 tests/sys/fs/fusefs/symlink.cc | 8 ++++++++
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/tests/sys/fs/fusefs/mkdir.cc b/tests/sys/fs/fusefs/mkdir.cc
index 48453ff8bb8a..f020feb94ed8 100644
--- a/tests/sys/fs/fusefs/mkdir.cc
+++ b/tests/sys/fs/fusefs/mkdir.cc
@@ -241,7 +241,6 @@ TEST_F(Mkdir, parent_inode)
 
 	ASSERT_EQ(-1, mkdir(FULLPATH, mode));
 	ASSERT_EQ(EIO, errno);
-	usleep(100000);
 }
 
 TEST_F(Mkdir_7_8, ok)
diff --git a/tests/sys/fs/fusefs/symlink.cc b/tests/sys/fs/fusefs/symlink.cc
index 19286a446fc3..bd355497a8bd 100644
--- a/tests/sys/fs/fusefs/symlink.cc
+++ b/tests/sys/fs/fusefs/symlink.cc
@@ -29,6 +29,7 @@
  */
 
 extern "C" {
+#include <semaphore.h>
 #include <unistd.h>
 }
 
@@ -174,15 +175,22 @@ TEST_F(Symlink, parent_ino)
 	const char PPATH[] = "parent";
 	const char RELPATH[] = "src";
 	const char dst[] = "dst";
+	sem_t sem;
 	const uint64_t ino = 42;
 
+	ASSERT_EQ(0, sem_init(&sem, 0, 0)) << strerror(errno);
+
 	expect_lookup(PPATH, ino, S_IFDIR | 0755, 0, 1);
 	EXPECT_LOOKUP(ino, RELPATH)
 	.WillOnce(Invoke(ReturnErrno(ENOENT)));
 	expect_symlink(ino, dst, RELPATH);
+	expect_forget(ino, 1, &sem);
 
 	EXPECT_EQ(-1, symlink(dst, FULLPATH));
 	EXPECT_EQ(EIO, errno);
+
+	sem_wait(&sem);
+	sem_destroy(&sem);
 }
 
 TEST_F(Symlink_7_8, ok)



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