1From: Dan Gohman <dev@sunfishcode.online> 2Subject: [PATCH] Define `TARGET_STAT_HAVE_NSEC` for s390x 3 4Without this, The `fstat` syscall sets `st_mtime_nsec` and the other `_nsec` 5fields to 0. Libc `fstat` will sometimes use the `fstatat` or `fstat64` 6syscalls instead, which aren't affected, but the libc `fstat` on ubuntu-20.04 7on Github Actions appears to be affected. 8 9This can be seen in the `st_mtime_nsec` assert in tests/fs/futimens.rs. 10 11It's not yet known why upstream qemu doesn't define this. 12 13--- 14 linux-user/generic/sockbits.h | 1 + 15 1 files changed, 1 insertions(+) 16 17diff -ur a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h 18--- a/linux-user/syscall_defs.h 2021-08-24 10:35:41.000000000 -0700 19+++ b/linux-user/syscall_defs.h 2022-04-12 13:23:25.291064887 -0700 20@@ -2040,6 +2040,7 @@ 21 abi_long __unused[3]; 22 }; 23 #elif defined(TARGET_S390X) 24+#define TARGET_STAT_HAVE_NSEC 25 struct target_stat { 26 abi_ulong st_dev; 27 abi_ulong st_ino; 28