Author: mav
Date: Sun Aug  9 09:54:29 2015
New Revision: 286514
URL: https://svnweb.freebsd.org/changeset/base/286514

Log:
  Remove verbose CTL messages.
  
  Reporting SCSI errors to console is often useless, pollutes logs and may
  affect performance.  For debugging there is kern.cam.ctl.debug sysctl
  
  MFC after:    1 week

Modified:
  head/sys/cam/ctl/ctl.c

Modified: head/sys/cam/ctl/ctl.c
==============================================================================
--- head/sys/cam/ctl/ctl.c      Sun Aug  9 07:45:15 2015        (r286513)
+++ head/sys/cam/ctl/ctl.c      Sun Aug  9 09:54:29 2015        (r286514)
@@ -1188,8 +1188,6 @@ ctl_init(void)
                ctl_pool_free(other_pool);
                return (error);
        }
-       if (bootverbose)
-               printf("ctl: CAM Target Layer loaded\n");
 
        /*
         * Initialize the ioctl front end.
@@ -1272,9 +1270,6 @@ ctl_shutdown(void)
 
        free(control_softc, M_DEVBUF);
        control_softc = NULL;
-
-       if (bootverbose)
-               printf("ctl: CAM Target Layer unloaded\n");
 }
 
 static int
@@ -13651,7 +13646,7 @@ ctl_process_done(union ctl_io *io)
        case CTL_IO_SCSI:
                break;
        case CTL_IO_TASK:
-               if (bootverbose || (ctl_debug & CTL_DEBUG_INFO))
+               if (ctl_debug & CTL_DEBUG_INFO)
                        ctl_io_error_print(io, NULL);
                if (io->io_hdr.flags & CTL_FLAG_FROM_OTHER_SC)
                        ctl_free_io(io);
@@ -13758,27 +13753,10 @@ bailout:
 
        /*
         * If enabled, print command error status.
-        * We don't print UAs unless debugging was enabled explicitly.
         */
-       do {
-               if ((io->io_hdr.status & CTL_STATUS_MASK) == CTL_SUCCESS)
-                       break;
-               if (!bootverbose && (ctl_debug & CTL_DEBUG_INFO) == 0)
-                       break;
-               if ((ctl_debug & CTL_DEBUG_INFO) == 0 &&
-                   ((io->io_hdr.status & CTL_STATUS_MASK) == CTL_SCSI_ERROR) &&
-                    (io->scsiio.scsi_status == SCSI_STATUS_CHECK_COND)) {
-                       int error_code, sense_key, asc, ascq;
-
-                       scsi_extract_sense_len(&io->scsiio.sense_data,
-                           io->scsiio.sense_len, &error_code, &sense_key,
-                           &asc, &ascq, /*show_errors*/ 0);
-                       if (sense_key == SSD_KEY_UNIT_ATTENTION)
-                               break;
-               }
-
+       if ((io->io_hdr.status & CTL_STATUS_MASK) != CTL_SUCCESS &&
+           (ctl_debug & CTL_DEBUG_INFO) != 0)
                ctl_io_error_print(io, NULL);
-       } while (0);
 
        /*
         * Tell the FETD or the other shelf controller we're done with this
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