From: Nico Golde <nion@debian.org>
Bug: http://bugs.debian.org/623140
Description: remove excessive sync calls causing lots of disk activity and replace by fsync on closing the file.

Index: tcpxtract-1.0.1/extract.c
===================================================================
--- tcpxtract-1.0.1.orig/extract.c	2011-04-19 16:07:25.000000000 +0200
+++ tcpxtract-1.0.1/extract.c	2011-04-19 16:10:21.000000000 +0200
@@ -163,7 +163,6 @@
         error("Quiting.");
     }
     elist->nwritten += nbytes;
-    sync();
 }
 
 /* remove all finished extracts from the list */
@@ -182,6 +181,8 @@
                 eptr->next->prev = eptr->prev;
             if (*elist == eptr)
                 *elist = eptr->next;
+
+            fsync(eptr->fd);
             close(eptr->fd);
             free(eptr);
         }