Add --fsync option (promoted from patches).

1 files changed, 6 insertions, 0 deletions

diff --git a/receiver.c b/receiver.c
index b5020d07..091fcd6f 100644
--- a/receiver.c
+++ b/receiver.c
@@ -41,6 +41,7 @@ extern int preserve_hard_links;
 extern int preserve_perms;
 extern int write_devices;
 extern int preserve_xattrs;
+extern int do_fsync;
 extern int basis_dir_cnt;
 extern int make_backups;
 extern int cleanup_got_literal;
@@ -394,6 +395,11 @@ static int receive_data(int f_in, char *fname_r, int fd_r, OFF_T size_r,
 
 	sum_len = sum_end(file_sum1);
 
+	if (do_fsync && fd != -1 && fsync(fd) != 0) {
+		rsyserr(FERROR, errno, "fsync failed on %s", full_fname(fname));
+		exit_cleanup(RERR_FILEIO);
+	}
+
 	if (mapbuf)
 		unmap_file(mapbuf);