transmission-preallocate_syscall.patch

   1 diff -ur transmission-2.30b1.orig/configure.ac transmission-2.30b1/configure.ac
   2 --- transmission-2.30b1.orig/configure.ac       2011-04-01 03:28:41.000000000 +0200
   3 +++ transmission-2.30b1/configure.ac    2011-04-08 14:31:31.233502737 +0200
   4 @@ -108,6 +108,14 @@
   5  AC_HEADER_STDC
   6  AC_HEADER_TIME
   7
   8 +AC_MSG_CHECKING([for SYS_fallocate])
   9 +AC_TRY_LINK([#include <sys/syscall.h>
  10 +#include <sys/types.h>],
  11 +       [return syscall(SYS_fallocate, 0, 0, (loff_t) 0, (loff_t) 0);],
  12 +       [AC_DEFINE([HAVE_SYS_FALLOCATE],[1],[Defined if you have the SYS_fallocate syscall number])
  13 +       AC_MSG_RESULT([yes])],
  14 +       [AC_MSG_RESULT([no])])
  15 +
  16  AC_CHECK_HEADERS([stdbool.h])
  17  AC_CHECK_FUNCS([iconv_open pread pwrite lrintf strlcpy daemon dirname basename strcasecmp localtime_r fallocate64 posix_fallocate memmem strsep strtold syslog valloc getpagesize posix_memalign statvfs htonll ntohll])
  18  AC_PROG_INSTALL
  19 diff -ur transmission-2.30b1.orig/libtransmission/fdlimit.c transmission-2.30b1/libtransmission/fdlimit.c
  20 --- transmission-2.30b1.orig/libtransmission/fdlimit.c  2011-04-01 03:28:34.000000000 +0200
  21 +++ transmission-2.30b1/libtransmission/fdlimit.c       2011-04-08 14:34:14.120502738 +0200
  22 @@ -29,6 +29,10 @@
  23   #include <fcntl.h>
  24  #endif
  25
  26 +#ifdef HAVE_SYS_FALLOCATE
  27 + #include <sys/syscall.h>
  28 +#endif
  29 +
  30  #ifdef HAVE_FALLOCATE64
  31    /* FIXME can't find the right #include voodoo to pick up the declaration.. */
  32    extern int fallocate64( int fd, int mode, uint64_t offset, uint64_t len );
  33 @@ -150,6 +154,14 @@
  34              success = !fcntl( fd, F_PREALLOCATE, &fst );
  35          }
  36  # endif
  37 +
  38 +# ifdef HAVE_SYS_FALLOCATE
  39 +       if( !success )
  40 +       {
  41 +           success = !syscall( SYS_fallocate, fd, 0, (loff_t) 0, (loff_t) length );
  42 +       }
  43 +# endif
  44 +
  45  # ifdef HAVE_POSIX_FALLOCATE
  46          if( !success )
  47          {