K 10 svn:author V 7 rwatson K 8 svn:date V 27 2004-06-26T23:27:42.000000Z K 7 svn:log V 371 The g_up and g_down threads use a local 'mymutex' mutex to allow WITNESS to warn about attempts to sleep in the I/O path. This change pushes the definition and use of 'mymutex' behind #ifdef WITNESS to avoid the cost in non-debugging cases. This results in a clear .22% performance win for 512 byte and 1k I/O tests on my SMP test box. Not much, but every bit counts. END