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commit e6547d635b991651600fab31f788ed5facd77610
Author: WANG Xuerui <git@xen0n.name>
Date: Wed Jun 1 10:12:28 2022 +0800
linux: use statx for fstat if neither newfstatat nor fstatat64 is present
LoongArch is going to be the first architecture supported by Linux that
has neither fstat* nor newfstatat [1], instead exclusively relying on
statx. So in fstatat64's implementation, we need to also enable statx
usage if neither fstatat64 nor newfstatat is present, to prepare for
this new case of kernel ABI.
[1]: https://lore.kernel.org/all/20220518092619.1269111-1-chenhuacai@loongson.cn/
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
diff --git a/sysdeps/unix/sysv/linux/fstatat64.c b/sysdeps/unix/sysv/linux/fstatat64.c
index 45221bbdf901fa47..ded431257bf3450f 100644
--- a/sysdeps/unix/sysv/linux/fstatat64.c
+++ b/sysdeps/unix/sysv/linux/fstatat64.c
@@ -42,7 +42,8 @@ _Static_assert (sizeof (__blkcnt_t) == sizeof (__blkcnt64_t),
#if (__WORDSIZE == 32 \
&& (!defined __SYSCALL_WORDSIZE || __SYSCALL_WORDSIZE == 32)) \
- || defined STAT_HAS_TIME32
+ || defined STAT_HAS_TIME32 \
+ || (!defined __NR_newfstatat && !defined __NR_fstatat64)
# define FSTATAT_USE_STATX 1
static inline int