Changeset 10075

Timestamp:

Feb 2, 2010, 3:01:25 AM (13 years ago)

Author:

charles

Message:

(trunk libT) #2849 "When possible, use fallocate64() for file preallocation" -- implemented for 1.90

Location:

trunk

Files:

• configure.ac (modified) (1 diff)
• libtransmission/fdlimit.c (modified) (2 diffs)
• libtransmission/session.c (modified) (1 diff)

trunk/configure.ac

@@ -94 +94 @@
 AC_HEADER_TIME
 
-AC_CHECK_FUNCS([pread pwrite lrintf strlcpy daemon dirname basename strcasecmp localtime_r posix_fallocate memmem strtold syslog])
+AC_CHECK_FUNCS([pread pwrite lrintf strlcpy daemon dirname basename strcasecmp localtime_r fallocate64 posix_fallocate memmem strtold syslog])
 AC_PROG_INSTALL
 AC_PROG_MAKE_SET

trunk/libtransmission/fdlimit.c

@@ -44 +44 @@
 #endif
 
+#ifdef HAVE_FALLOCATE64
+  /* FIXME can't find the right #include voodoo to pick up the declaration.. */
+  extern int fallocate64( int fd, int mode, uint64_t offset, uint64_t len );
+#endif
+
 #ifdef HAVE_XFS_XFS_H
  #include <xfs/xfs.h>
@@ -147 +152 @@
     if( fd >= 0 )
     {
+# ifdef HAVE_FALLOCATE64
+       if( !success )
+       {
+           success = !fallocate64( fd, 0, 0, length );
+       }
+# endif
 # ifdef HAVE_XFS_XFS_H
         if( !success && platform_test_xfs_fd( fd ) )

trunk/libtransmission/session.c

@@ -297 +297 @@
     tr_bencDictAddBool( d, TR_PREFS_KEY_PEX_ENABLED,              TRUE );
     tr_bencDictAddBool( d, TR_PREFS_KEY_PORT_FORWARDING,          TRUE );
+#ifdef HAVE_FALLOCATE64
+    tr_bencDictAddInt ( d, TR_PREFS_KEY_PREALLOCATION,            TR_PREALLOCATE_FULL );
+#else
     tr_bencDictAddInt ( d, TR_PREFS_KEY_PREALLOCATION,            TR_PREALLOCATE_SPARSE );
+#endif
     tr_bencDictAddStr ( d, TR_PREFS_KEY_PROXY,                    "" );
     tr_bencDictAddBool( d, TR_PREFS_KEY_PROXY_AUTH_ENABLED,       FALSE );