[Virtio-fs] [PATCH 2/4] virtiofsd: support nanosecond resolution for file timestamp
Liu Bo
bo.liu at linux.alibaba.com
Tue Apr 16 19:08:56 UTC 2019
From: Jiufei Xue <jiufei.xue at linux.alibaba.com>
Define HAVE_STRUCT_STAT_ST_ATIM to 1 if `st_atim' is member of `struct
stat' which means support nanosecond resolution for the file timestamp
fields.
Signed-off-by: Jiufei Xue <jiufei.xue at linux.alibaba.com>
Reviewed-by: Joseph Qi <joseph.qi at linux.alibaba.com>
---
configure | 16 ++++++++++++++++
contrib/virtiofsd/fuse_misc.h | 1 +
2 files changed, 17 insertions(+)
diff --git a/configure b/configure
index 5c21a65..57336ec 100755
--- a/configure
+++ b/configure
@@ -5147,6 +5147,19 @@ if compile_prog "" "" ; then
strchrnul=yes
fi
+#########################################
+# check if we have st_atim
+
+st_atim=no
+cat > $TMPC << EOF
+#include <sys/stat.h>
+#include <stddef.h>
+int main(void) { return offsetof(struct stat, st_atim); }
+EOF
+if compile_prog "" "" ; then
+ st_atim=yes
+fi
+
##########################################
# check if trace backend exists
@@ -6757,6 +6770,9 @@ fi
if test "$strchrnul" = "yes" ; then
echo "HAVE_STRCHRNUL=y" >> $config_host_mak
fi
+if test "$st_atim" = "yes" ; then
+ echo "HAVE_STRUCT_STAT_ST_ATIM=y" >> $config_host_mak
+fi
if test "$byteswap_h" = "yes" ; then
echo "CONFIG_BYTESWAP_H=y" >> $config_host_mak
fi
diff --git a/contrib/virtiofsd/fuse_misc.h b/contrib/virtiofsd/fuse_misc.h
index 2f6663e..30a1d7f 100644
--- a/contrib/virtiofsd/fuse_misc.h
+++ b/contrib/virtiofsd/fuse_misc.h
@@ -7,6 +7,7 @@
*/
#include <pthread.h>
+#include "config-host.h"
/*
Versioned symbols cannot be used in some cases because it
--
1.8.3.1
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