6852351 mr_sas driver should have dtrace probes added in critical places for performance and debugging

[susan.scheuf...@sun.com]

Author: Susan Scheufele <Susan.Scheufele at Sun.COM>
Repository: /hg/onnv/onnv-gate
Latest revision: c5e75c2534ed72f3710a8b8826310a56e8fc0c00
Total changesets: 1
Log message:
6852351 mr_sas driver should have dtrace probes added in critical places for 
performance and debugging
6891602 some FMA checkpoints still not handled correctly in mr_sas driver

Files:
        update: usr/src/uts/common/io/mr_sas/mr_sas.c
        update: usr/src/uts/common/io/mr_sas/mr_sas.h