Commit | Line | Data |
---|---|---|
edd5f785 WD |
1 | This patch from Sami Farin lets you specify --fsync if you want fsync() |
2 | to be called on every file we write. | |
3 | ||
03019e41 WD |
4 | To use this patch, run these commands for a successful build: |
5 | ||
6 | patch -p1 <patches/fsync.diff | |
7 | ./configure (optional if already run) | |
8 | make | |
9 | ||
cc3e685d WD |
10 | diff --git a/options.c b/options.c |
11 | --- a/options.c | |
12 | +++ b/options.c | |
c0c7984e | 13 | @@ -48,6 +48,7 @@ int append_mode = 0; |
125d7fca | 14 | int keep_dirlinks = 0; |
d42637db | 15 | int copy_dirlinks = 0; |
edd5f785 | 16 | int copy_links = 0; |
994f69cd WD |
17 | +int do_fsync = 0; |
18 | int preserve_links = 0; | |
19 | int preserve_hard_links = 0; | |
87a38eea | 20 | int preserve_acls = 0; |
c0c7984e | 21 | @@ -383,6 +384,7 @@ void usage(enum logcode F) |
a7219d20 WD |
22 | rprintf(F," --partial-dir=DIR put a partially transferred file into DIR\n"); |
23 | rprintf(F," --delay-updates put all updated files into place at transfer's end\n"); | |
4a65fe72 | 24 | rprintf(F," -m, --prune-empty-dirs prune empty directory chains from the file-list\n"); |
edd5f785 | 25 | + rprintf(F," --fsync fsync every written file\n"); |
a7219d20 | 26 | rprintf(F," --numeric-ids don't map uid/gid values by user/group name\n"); |
cc3e685d WD |
27 | rprintf(F," --timeout=SECONDS set I/O timeout in seconds\n"); |
28 | rprintf(F," --contimeout=SECONDS set daemon connection timeout in seconds\n"); | |
c0c7984e | 29 | @@ -626,6 +628,7 @@ static struct poptOption long_options[] = { |
790ba11a | 30 | {"no-timeout", 0, POPT_ARG_VAL, &io_timeout, 0, 0, 0 }, |
cc3e685d | 31 | {"contimeout", 0, POPT_ARG_INT, &connect_timeout, 0, 0, 0 }, |
c0c7984e | 32 | {"no-contimeout", 0, POPT_ARG_VAL, &connect_timeout, 0, 0, 0 }, |
790ba11a WD |
33 | + {"fsync", 0, POPT_ARG_NONE, &do_fsync, 0, 0, 0 }, |
34 | {"rsh", 'e', POPT_ARG_STRING, &shell_cmd, 0, 0, 0 }, | |
35 | {"rsync-path", 0, POPT_ARG_STRING, &rsync_path, 0, 0, 0 }, | |
36 | {"temp-dir", 'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 }, | |
c0c7984e | 37 | @@ -2003,6 +2006,9 @@ void server_options(char **args, int *argc_p) |
80c89075 WD |
38 | args[ac++] = tmpdir; |
39 | } | |
7b675ff5 | 40 | |
80c89075 WD |
41 | + if (do_fsync) |
42 | + args[ac++] = "--fsync"; | |
7b675ff5 | 43 | + |
80c89075 WD |
44 | if (basis_dir[0]) { |
45 | /* the server only needs this option if it is not the sender, | |
46 | * and it may be an older version that doesn't know this | |
cc3e685d WD |
47 | diff --git a/receiver.c b/receiver.c |
48 | --- a/receiver.c | |
49 | +++ b/receiver.c | |
5795bf59 | 50 | @@ -39,6 +39,7 @@ extern int relative_paths; |
b76d92e6 | 51 | extern int preserve_hard_links; |
f6c3b300 | 52 | extern int preserve_perms; |
5795bf59 | 53 | extern int preserve_xattrs; |
edd5f785 | 54 | +extern int do_fsync; |
1d15f8d9 WD |
55 | extern int basis_dir_cnt; |
56 | extern int make_backups; | |
57 | extern int cleanup_got_literal; | |
cc3e685d | 58 | @@ -298,6 +299,12 @@ static int receive_data(int f_in, char *fname_r, int fd_r, OFF_T size_r, |
7b675ff5 WD |
59 | exit_cleanup(RERR_FILEIO); |
60 | } | |
edd5f785 | 61 | |
67c08134 | 62 | + if (do_fsync && fd != -1 && fsync(fd) != 0) { |
7b675ff5 | 63 | + rsyserr(FERROR, errno, "fsync failed on %s", |
fe6407b5 | 64 | + full_fname(fname)); |
edd5f785 WD |
65 | + exit_cleanup(RERR_FILEIO); |
66 | + } | |
67 | + | |
87a38eea | 68 | sum_len = sum_end(file_sum1); |
edd5f785 | 69 | |
dc3ae351 | 70 | if (mapbuf) |
cc3e685d WD |
71 | diff --git a/t_stub.c b/t_stub.c |
72 | --- a/t_stub.c | |
73 | +++ b/t_stub.c | |
87a38eea | 74 | @@ -21,6 +21,7 @@ |
7cf8a551 WD |
75 | |
76 | #include "rsync.h" | |
d9a67109 WD |
77 | |
78 | +int do_fsync = 0; | |
79 | int modify_window = 0; | |
01c39596 | 80 | int module_id = -1; |
56208f7b | 81 | int relative_paths = 0; |
cc3e685d WD |
82 | diff --git a/util.c b/util.c |
83 | --- a/util.c | |
84 | +++ b/util.c | |
85 | @@ -26,6 +26,7 @@ | |
91f798a7 WD |
86 | extern int verbose; |
87 | extern int dry_run; | |
56208f7b | 88 | extern int module_id; |
91f798a7 | 89 | +extern int do_fsync; |
7b675ff5 | 90 | extern int modify_window; |
56208f7b | 91 | extern int relative_paths; |
91f798a7 | 92 | extern int human_readable; |
91270139 | 93 | @@ -334,6 +335,13 @@ int copy_file(const char *source, const char *dest, int ofd, |
71c2e1b2 | 94 | full_fname(source)); |
7b675ff5 | 95 | } |
edd5f785 | 96 | |
7b675ff5 WD |
97 | + if (do_fsync && fsync(ofd) < 0) { |
98 | + rsyserr(FERROR, errno, "fsync failed on %s", | |
fe6407b5 | 99 | + full_fname(dest)); |
6cf4b26e | 100 | + close(ofd); |
edd5f785 WD |
101 | + return -1; |
102 | + } | |
103 | + | |
71c2e1b2 | 104 | if (close(ofd) < 0) { |
91270139 | 105 | int save_errno = errno; |
cc3e685d | 106 | rsyserr(FERROR_XFER, errno, "close failed on %s", |