This patch will make rsync 3.0.x able to exchange ACLs with an older

[rsync/rsync-patches.git] / preallocate.diff

diff --git a/preallocate.diff b/preallocate.diff
index 9d2ccb3..39ad416 100644 (file)
--- a/preallocate.diff
+++ b/preallocate.diff
@@ -9,12 +9,9 @@ To use this patch, run these commands for a successful build:
     ./configure
     make
 
-
-TODO:  update docs
-
 --- old/configure.in
 +++ new/configure.in
-@@ -550,7 +550,7 @@ AC_CHECK_FUNCS(waitpid wait4 getcwd strd
+@@ -555,7 +555,7 @@ AC_CHECK_FUNCS(waitpid wait4 getcwd strd
      strlcat strlcpy strtol mallinfo getgroups setgroups geteuid getegid \
      setlocale setmode open64 lseek64 mkstemp64 mtrace va_copy __va_copy \
      strerror putenv iconv_open locale_charset nl_langinfo \
@@ -81,7 +78,7 @@ TODO:  update docs
    {"inplace",          0,  POPT_ARG_NONE,   &inplace, 0, 0, 0 },
    {"append",           0,  POPT_ARG_VAL,    &append_mode, 1, 0, 0 },
    {"del",              0,  POPT_ARG_NONE,   &delete_during, 0, 0, 0 },
-@@ -1126,6 +1136,15 @@ int parse_arguments(int *argc, const cha
+@@ -1132,6 +1142,15 @@ int parse_arguments(int *argc, const cha
        }
  #endif
  
@@ -97,7 +94,7 @@ TODO:  update docs
        if (write_batch && read_batch) {
                snprintf(err_buf, sizeof err_buf,
                        "--write-batch and --read-batch can not be used together\n");
-@@ -1764,6 +1783,9 @@ void server_options(char **args,int *arg
+@@ -1779,6 +1798,9 @@ void server_options(char **args,int *arg
        else if (remove_source_files)
                args[ac++] = "--remove-sent-files";
  
@@ -109,7 +106,7 @@ TODO:  update docs
  
 --- old/receiver.c
 +++ new/receiver.c
-@@ -43,6 +43,7 @@ extern int cleanup_got_literal;
+@@ -44,6 +44,7 @@ extern int cleanup_got_literal;
  extern int remove_source_files;
  extern int append_mode;
  extern int sparse_files;
@@ -160,7 +157,7 @@ TODO:  update docs
        if (do_progress)
 --- old/rsync.h
 +++ new/rsync.h
-@@ -493,6 +493,10 @@ struct idev {
+@@ -546,6 +546,10 @@ struct idev_node {
  #define IN_LOOPBACKNET 127
  #endif
  
@@ -170,7 +167,37 @@ TODO:  update docs
 +
  #define GID_NONE ((gid_t)-1)
  
- #define HL_CHECK_MASTER       0
+ union file_extras {
+--- old/rsync.yo
++++ new/rsync.yo
+@@ -332,6 +332,7 @@ to the detailed description below for a 
+  -O, --omit-dir-times        omit directories when preserving times
+      --super                 receiver attempts super-user activities
+  -S, --sparse                handle sparse files efficiently
++     --preallocate           posix_fallocate dest files before writing
+  -n, --dry-run               show what would have been transferred
+  -W, --whole-file            copy files whole (without rsync algorithm)
+  -x, --one-file-system       don't cross filesystem boundaries
+@@ -888,6 +889,19 @@ NOTE: Don't use this option when the des
+ filesystem. It doesn't seem to handle seeks over null regions
+ correctly and ends up corrupting the files.
+ 
++dit(bf(--preallocate)) This tells the receiver to allocate each destination
++file to its eventual size using bf(posix_fallocate)(3) before writing data
++to the file.  If the receiver is remote, this nonstandard option only works
++if the receiver also has the preallocation patch.  Furthermore, this option
++only works if the receiver found the bf(posix_fallocate)(3) call at
++configure time.
++
++Without this option on MS Windows, very large destination files tend to be
++broken into thousands of fragments; advising Windows ahead of time of the
++eventual file size using this option usually reduces the number of
++fragments to one.  However, on Linux, this option appears to just waste
++disk I/O.
++
+ dit(bf(-n, --dry-run)) This tells rsync to not do any file transfers,
+ instead it will just report the actions it would have taken.
+ 
 --- old/t_stub.c
 +++ new/t_stub.c
 @@ -23,6 +23,7 @@