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-rwxr-xr-xconfigure18
-rw-r--r--linux-user/strace.list2
-rw-r--r--linux-user/syscall.c5
3 files changed, 24 insertions, 1 deletions
diff --git a/configure b/configure
index 1ce3d002ed..d3dafcbb37 100755
--- a/configure
+++ b/configure
@@ -3926,6 +3926,21 @@ if compile_prog "" "" ; then
clock_adjtime=yes
fi
+# syncfs probe
+syncfs=no
+cat > $TMPC <<EOF
+#include <unistd.h>
+
+int main(void)
+{
+ return syncfs(0);
+}
+EOF
+syncfs=no
+if compile_prog "" "" ; then
+ syncfs=yes
+fi
+
# Check if tools are available to build documentation.
if test "$docs" != "no" ; then
if has makeinfo && has pod2man; then
@@ -5214,6 +5229,9 @@ fi
if test "$clock_adjtime" = "yes" ; then
echo "CONFIG_CLOCK_ADJTIME=y" >> $config_host_mak
fi
+if test "$syncfs" = "yes" ; then
+ echo "CONFIG_SYNCFS=y" >> $config_host_mak
+fi
if test "$inotify" = "yes" ; then
echo "CONFIG_INOTIFY=y" >> $config_host_mak
fi
diff --git a/linux-user/strace.list b/linux-user/strace.list
index dcd3812cad..3b1282ec1a 100644
--- a/linux-user/strace.list
+++ b/linux-user/strace.list
@@ -1459,7 +1459,7 @@
{ TARGET_NR_sync, "sync" , NULL, NULL, NULL },
#endif
#ifdef TARGET_NR_syncfs
-{ TARGET_NR_syncfs, "syncfs" , NULL, NULL, NULL },
+{ TARGET_NR_syncfs, "syncfs" , "%s(%d)", NULL, NULL },
#endif
#ifdef TARGET_NR_syscall
{ TARGET_NR_syscall, "syscall" , NULL, NULL, NULL },
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 14929965ff..14c52072f9 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -8090,6 +8090,11 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
sync();
ret = 0;
break;
+#if defined(TARGET_NR_syncfs) && defined(CONFIG_SYNCFS)
+ case TARGET_NR_syncfs:
+ ret = get_errno(syncfs(arg1));
+ break;
+#endif
case TARGET_NR_kill:
ret = get_errno(safe_kill(arg1, target_to_host_signal(arg2)));
break;