1 This patch from Sami Farin lets you specify --fsync if you want fsync()
2 to be called on every file we write.
4 To use this patch, run these commands for a successful build:
6 patch -p1 <patches/fsync.diff
7 ./configure (optional if already run)
12 @@ -45,6 +45,7 @@ int append_mode = 0;
13 int keep_dirlinks = 0;
14 int copy_dirlinks = 0;
17 int preserve_links = 0;
18 int preserve_hard_links = 0;
19 int preserve_perms = 0;
20 @@ -339,6 +340,7 @@ void usage(enum logcode F)
21 rprintf(F," --partial-dir=DIR put a partially transferred file into DIR\n");
22 rprintf(F," --delay-updates put all updated files into place at transfer's end\n");
23 rprintf(F," -m, --prune-empty-dirs prune empty directory chains from the file-list\n");
24 + rprintf(F," --fsync fsync every written file\n");
25 rprintf(F," --numeric-ids don't map uid/gid values by user/group name\n");
26 rprintf(F," --timeout=TIME set I/O timeout in seconds\n");
27 rprintf(F," -I, --ignore-times don't skip files that match in size and mod-time\n");
28 @@ -525,6 +527,7 @@ static struct poptOption long_options[]
29 {"only-write-batch", 0, POPT_ARG_STRING, &batch_name, OPT_ONLY_WRITE_BATCH, 0, 0 },
30 {"files-from", 0, POPT_ARG_STRING, &files_from, 0, 0, 0 },
31 {"from0", '0', POPT_ARG_NONE, &eol_nulls, 0, 0, 0},
32 + {"fsync", 0, POPT_ARG_NONE, &do_fsync, 0, 0, 0 },
33 {"numeric-ids", 0, POPT_ARG_NONE, &numeric_ids, 0, 0, 0 },
34 {"timeout", 0, POPT_ARG_INT, &io_timeout, 0, 0, 0 },
35 {"rsh", 'e', POPT_ARG_STRING, &shell_cmd, 0, 0, 0 },
36 @@ -1727,6 +1730,9 @@ void server_options(char **args,int *arg
40 + if (do_fsync && am_sender)
41 + args[ac++] = "--fsync";
43 if (basis_dir[0] && am_sender) {
44 /* the server only needs this option if it is not the sender,
45 * and it may be an older version that doesn't know this
48 @@ -37,6 +37,7 @@ extern int protocol_version;
49 extern int relative_paths;
50 extern int preserve_hard_links;
51 extern int preserve_perms;
53 extern int basis_dir_cnt;
54 extern int make_backups;
55 extern int cleanup_got_literal;
56 @@ -258,6 +259,12 @@ static int receive_data(int f_in, char *
57 exit_cleanup(RERR_FILEIO);
60 + if (do_fsync && fd != -1 && fsync(fd) != 0) {
61 + rsyserr(FERROR, errno, "fsync failed on %s",
63 + exit_cleanup(RERR_FILEIO);
76 int modify_window = 0;
78 int relative_paths = 0;
86 extern int modify_window;
87 extern int relative_paths;
88 extern int human_readable;
89 @@ -314,6 +315,12 @@ int copy_file(const char *source, const
93 + if (do_fsync && fsync(ofd) < 0) {
94 + rsyserr(FERROR, errno, "fsync failed on %s",