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 @@ -44,6 +44,7 @@ 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_acls = 0;
20 @@ -367,6 +368,7 @@ 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 @@ -580,6 +582,7 @@ static struct poptOption long_options[]
29 {"files-from", 0, POPT_ARG_STRING, &files_from, 0, 0, 0 },
30 {"from0", '0', POPT_ARG_VAL, &eol_nulls, 1, 0, 0},
31 {"no-from0", 0, POPT_ARG_VAL, &eol_nulls, 0, 0, 0},
32 + {"fsync", 0, POPT_ARG_NONE, &do_fsync, 0, 0, 0 },
33 {"numeric-ids", 0, POPT_ARG_VAL, &numeric_ids, 1, 0, 0 },
34 {"no-numeric-ids", 0, POPT_ARG_VAL, &numeric_ids, 0, 0, 0 },
35 {"timeout", 0, POPT_ARG_INT, &io_timeout, 0, 0, 0 },
36 @@ -1885,6 +1888,9 @@ void server_options(char **args,int *arg
41 + args[ac++] = "--fsync";
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 @@ -39,6 +39,7 @@ extern int relative_paths;
49 extern int preserve_hard_links;
50 extern int preserve_perms;
51 extern int preserve_xattrs;
53 extern int basis_dir_cnt;
54 extern int make_backups;
55 extern int cleanup_got_literal;
56 @@ -259,6 +260,12 @@ 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);
66 sum_len = sum_end(file_sum1);
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 @@ -309,6 +310,13 @@ int copy_file(const char *source, const
93 + if (do_fsync && fsync(ofd) < 0) {
94 + rsyserr(FERROR, errno, "fsync failed on %s",
100 if (close(ofd) < 0) {
101 rsyserr(FERROR, errno, "close failed on %s",