X-Git-Url: https://mattmccutchen.net/rsync/rsync-patches.git/blobdiff_plain/9a7eef964a2e3389ffd3537302f80ca42cfe9239..4c85a55c419c231b83e024ab2aedfe3abe12f3da:/fsync.diff

diff --git a/fsync.diff b/fsync.diff
index 2aa7dc3..4e1b545 100644
--- a/fsync.diff
+++ b/fsync.diff
@@ -1,55 +1,64 @@
 This patch from Sami Farin lets you specify --fsync if you want fsync()
 to be called on every file we write.
 
---- old/options.c
-+++ new/options.c
-@@ -42,6 +42,7 @@ int whole_file = -1;
- int append_mode = 0;
+To use this patch, run these commands for a successful build:
+
+    patch -p1 <patches/fsync.diff
+    ./configure                         (optional if already run)
+    make
+
+based-on: a01e3b490eb36ccf9e704840e1b6683dab867550
+diff --git a/options.c b/options.c
+--- a/options.c
++++ b/options.c
+@@ -48,6 +48,7 @@ int append_mode = 0;
  int keep_dirlinks = 0;
+ int copy_dirlinks = 0;
  int copy_links = 0;
 +int do_fsync = 0;
  int preserve_links = 0;
  int preserve_hard_links = 0;
- int preserve_perms = 0;
-@@ -327,6 +328,7 @@ void usage(enum logcode F)
+ int preserve_acls = 0;
+@@ -731,6 +732,7 @@ void usage(enum logcode F)
    rprintf(F,"     --partial-dir=DIR       put a partially transferred file into DIR\n");
    rprintf(F,"     --delay-updates         put all updated files into place at transfer's end\n");
    rprintf(F," -m, --prune-empty-dirs      prune empty directory chains from the file-list\n");
 +  rprintf(F,"     --fsync                 fsync every written file\n");
    rprintf(F,"     --numeric-ids           don't map uid/gid values by user/group name\n");
-   rprintf(F,"     --timeout=TIME          set I/O timeout in seconds\n");
-   rprintf(F," -I, --ignore-times          don't skip files that match in size and mod-time\n");
-@@ -501,6 +503,7 @@ static struct poptOption long_options[] 
-   {"only-write-batch", 0,  POPT_ARG_STRING, &batch_name, OPT_ONLY_WRITE_BATCH, 0, 0 },
-   {"files-from",       0,  POPT_ARG_STRING, &files_from, 0, 0, 0 },
-   {"from0",           '0', POPT_ARG_NONE,   &eol_nulls, 0, 0, 0},
+   rprintf(F,"     --usermap=STRING        custom username mapping\n");
+   rprintf(F,"     --groupmap=STRING       custom groupname mapping\n");
+@@ -989,6 +991,7 @@ static struct poptOption long_options[] = {
+   {"no-timeout",       0,  POPT_ARG_VAL,    &io_timeout, 0, 0, 0 },
+   {"contimeout",       0,  POPT_ARG_INT,    &connect_timeout, 0, 0, 0 },
+   {"no-contimeout",    0,  POPT_ARG_VAL,    &connect_timeout, 0, 0, 0 },
 +  {"fsync",            0,  POPT_ARG_NONE,   &do_fsync, 0, 0, 0 },
-   {"numeric-ids",      0,  POPT_ARG_NONE,   &numeric_ids, 0, 0, 0 },
-   {"timeout",          0,  POPT_ARG_INT,    &io_timeout, 0, 0, 0 },
    {"rsh",             'e', POPT_ARG_STRING, &shell_cmd, 0, 0, 0 },
-@@ -1694,6 +1697,9 @@ void server_options(char **args,int *arg
- 		args[ac++] = tmpdir;
- 	}
+   {"rsync-path",       0,  POPT_ARG_STRING, &rsync_path, 0, 0, 0 },
+   {"temp-dir",        'T', POPT_ARG_STRING, &tmpdir, 0, 0, 0 },
+@@ -2607,6 +2610,9 @@ void server_options(char **args, int *argc_p)
+ 			args[ac++] = tmpdir;
+ 		}
  
-+	if (do_fsync && am_sender)
-+		args[ac++] = "--fsync";
++		if (do_fsync)
++			args[ac++] = "--fsync";
 +
- 	if (basis_dir[0] && am_sender) {
- 		/* the server only needs this option if it is not the sender,
- 		 *   and it may be an older version that doesn't know this
---- old/receiver.c
-+++ new/receiver.c
-@@ -38,6 +38,7 @@ extern int keep_dirlinks;
+ 		if (basis_dir[0]) {
+ 			/* the server only needs this option if it is not the sender,
+ 			 *   and it may be an older version that doesn't know this
+diff --git a/receiver.c b/receiver.c
+--- a/receiver.c
++++ b/receiver.c
+@@ -38,6 +38,7 @@ extern int relative_paths;
  extern int preserve_hard_links;
  extern int preserve_perms;
- extern int io_error;
+ extern int preserve_xattrs;
 +extern int do_fsync;
  extern int basis_dir_cnt;
  extern int make_backups;
  extern int cleanup_got_literal;
-@@ -318,6 +319,12 @@ static int receive_data(int f_in, char *
- 		exit_cleanup(RERR_FILEIO);
- 	}
+@@ -337,6 +338,12 @@ static int receive_data(int f_in, char *fname_r, int fd_r, OFF_T size_r,
+ 	if (sum_end(file_sum1) != checksum_len)
+ 		overflow_exit("checksum_len"); /* Impossible... */
  
 +	if (do_fsync && fd != -1 && fsync(fd) != 0) {
 +		rsyserr(FERROR, errno, "fsync failed on %s",
@@ -57,39 +66,42 @@ to be called on every file we write.
 +		exit_cleanup(RERR_FILEIO);
 +	}
 +
- 	sum_end(file_sum1);
- 
  	if (mapbuf)
---- old/t_stub.c
-+++ new/t_stub.c
-@@ -30,6 +30,7 @@ int modify_window = 0;
+ 		unmap_file(mapbuf);
+ 
+diff --git a/t_stub.c b/t_stub.c
+--- a/t_stub.c
++++ b/t_stub.c
+@@ -21,6 +21,7 @@
+ 
+ #include "rsync.h"
+ 
++int do_fsync = 0;
+ int modify_window = 0;
  int module_id = -1;
  int relative_paths = 0;
- int human_readable = 0;
-+int do_fsync;
- char *partial_dir;
- struct filter_list_struct server_filter_list;
+diff --git a/util.c b/util.c
+--- a/util.c
++++ b/util.c
+@@ -27,6 +27,7 @@
  
---- old/util.c
-+++ new/util.c
-@@ -30,6 +30,7 @@
- extern int verbose;
  extern int dry_run;
  extern int module_id;
 +extern int do_fsync;
  extern int modify_window;
  extern int relative_paths;
- extern int human_readable;
-@@ -312,6 +313,12 @@ int copy_file(const char *source, const 
- 		return -1;
+ extern int preserve_xattrs;
+@@ -382,6 +383,13 @@ int copy_file(const char *source, const char *dest, int ofd, mode_t mode)
+ 			full_fname(source));
  	}
  
 +	if (do_fsync && fsync(ofd) < 0) {
 +		rsyserr(FERROR, errno, "fsync failed on %s",
 +			full_fname(dest));
++		close(ofd);
 +		return -1;
 +	}
 +
- 	return 0;
- }
- 
+ 	if (close(ofd) < 0) {
+ 		int save_errno = errno;
+ 		rsyserr(FERROR_XFER, errno, "close failed on %s",