[PATCH-3-5] fsync less often ...

        The attached is not that pleasant, but (I hope) solves fdo#47983
slow-down, while not loosing people's data on dodgy, modern
file-systems :-)

        I'd love to get it into LibreOffice 3.5.3

        Thanks,

                Michael.

-- 
michael.meeks@suse.com  <><, Pseudo Engineer, itinerant idiot

From a0b5ba2e821091b8053bfc1d2f9c99aca7431907 Mon Sep 17 00:00:00 2001
From: Michael Meeks <michael.meeks@suse.com>
Date: Sun, 15 Apr 2012 03:33:22 +0200
Subject: [PATCH] re-open output file on save to fsync to improve first-start
 performance

---
 sfx2/source/doc/docfile.cxx   |   13 ++++++++++++-
 ucb/source/ucp/file/shell.cxx |    4 ----
 2 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/sfx2/source/doc/docfile.cxx b/sfx2/source/doc/docfile.cxx
index 0f30aab..ced1950 100644
--- a/sfx2/source/doc/docfile.cxx
+++ b/sfx2/source/doc/docfile.cxx
@@ -1912,9 +1912,20 @@ void SfxMedium::Transfer_Impl()
             xComEnv = new ::ucbhelper::CommandEnvironment( xInteractionHandler,
                                                       Reference< 
::com::sun::star::ucb::XProgressHandler >() );
 
-        if ( ::utl::LocalFileHelper::IsLocalFile( aDest.GetMainURL( INetURLObject::NO_DECODE ) ) 
|| !aDest.removeSegment() )
+        rtl::OUString aDestURL( aDest.GetMainURL( INetURLObject::NO_DECODE ) );
+        if ( ::utl::LocalFileHelper::IsLocalFile( aDestURL ) || !aDest.removeSegment() )
         {
             TransactedTransferForFS_Impl( aSource, aDest, xComEnv );
+
+            // Hideous - no clean way to do this, so we re-open the file just to fsync it
+            osl::File aFile( aDestURL );
+            if ( aFile.open( osl_File_OpenFlag_Write ) == osl::FileBase::E_None )
+            {
+                aFile.sync();
+                OSL_TRACE("fsync'd saved file '%s'\n",
+                          rtl::OUStringToOString( aDestURL, RTL_TEXTENCODING_UTF8 ).getStr() );
+                aFile.close();
+            }
         }
         else
         {
diff --git a/ucb/source/ucp/file/shell.cxx b/ucb/source/ucp/file/shell.cxx
index 561e7f8..1cb03b3 100644
--- a/ucb/source/ucp/file/shell.cxx
+++ b/ucb/source/ucp/file/shell.cxx
@@ -1909,10 +1909,6 @@ shell::write( sal_Int32 CommandId,
         }
     } while( nReadBytes == nRequestedBytes );
 
-    aFile.sync(); // fsync / flush it to disk.
-    OSL_TRACE( "fsync'd file '%s'\n",
-               rtl::OUStringToOString( aUnqPath, RTL_TEXTENCODING_UTF8 ).getStr() );
-
     err = aFile.close();
     if( err != osl::FileBase::E_None  )
     {
-- 
1.7.9