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From c295622811895faaf4c0be0820cbb919c80b1143 Mon Sep 17 00:00:00 2001
From: Colin Watson <cjwatson@debian.org>
Date: Mon, 11 Mar 2024 16:24:49 +0000
Subject: Skip utimensat test on ZFS
On ZFS (which may be used by e.g. `autopkgtest-virt-incus`), `utimensat`
seems to leave the access time set to 0. It's not clear why.
Forwarded: no
Last-Update: 2024-03-11
Patch-Name: skip-utimensat-test-on-zfs.patch
---
openbsd-compat/regress/utimensattest.c | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/openbsd-compat/regress/utimensattest.c b/openbsd-compat/regress/utimensattest.c
index bbc66c485..662d58146 100644
--- a/openbsd-compat/regress/utimensattest.c
+++ b/openbsd-compat/regress/utimensattest.c
@@ -33,6 +33,12 @@
# define AT_SYMLINK_NOFOLLOW 0x80000000
#endif
+#if defined(HAVE_SYS_VFS_H) && defined(HAVE_STATFS) && defined(HAVE_STRUCT_STATFS_F_FILES)
+# include <sys/vfs.h>
+# define ZFS_SUPER_MAGIC 0x2fc12fc1
+# define HAVE_ZFS_CHECK
+#endif
+
int utimensat(int, const char *, const struct timespec[2], int);
static void
@@ -60,10 +66,21 @@ fail(char *msg, long expect, long got)
int
main(void)
{
+#ifdef HAVE_ZFS_CHECK
+ struct statfs sfsb;
+#endif
int fd;
struct stat sb;
struct timespec ts[2];
+#ifdef HAVE_ZFS_CHECK
+ /* On ZFS, utimensat seems to leave the atime set to 0. */
+ if (statfs(".", &sfsb) == 0 && sfsb.f_type == ZFS_SUPER_MAGIC) {
+ fprintf(stderr, "utimensat: skipping test on ZFS\n");
+ exit(0);
+ }
+#endif
+
cleanup();
if ((fd = open(TMPFILE, O_CREAT, 0600)) == -1)
fail("open", 0, 0);
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