PERFORCE change 110668 for review

[Scott Long]

http://perforce.freebsd.org/chv.cgi?CH=110668

Change 110668 by scottl at scottl-x64 on 2006/11/29 08:45:28

	Drop the sim lock while calling into other OS layers that might
	sleep.  This isn't a great solution, but works for now.

Affected files ...

.. //depot/projects/scottl-camlock/src/sys/cam/scsi/scsi_da.c#18 edit
.. //depot/projects/scottl-camlock/src/sys/cam/scsi/scsi_pass.c#15 edit

Differences ...

==== //depot/projects/scottl-camlock/src/sys/cam/scsi/scsi_da.c#18 (text+ko) ====

@@ -1184,6 +1184,7 @@
 	 * Register this media as a disk
 	 */
 
+	mtx_unlock(periph->sim->mtx);
 	softc->disk = disk_alloc();
 	softc->disk->d_open = daopen;
 	softc->disk->d_close = daclose;
@@ -1195,6 +1196,7 @@
 	softc->disk->d_unit = periph->unit_number;
 	softc->disk->d_flags = 0;
 	disk_create(softc->disk, DISK_VERSION);
+	mtx_lock(periph->sim->mtx);
 
 	/*
 	 * Add async callbacks for bus reset and

==== //depot/projects/scottl-camlock/src/sys/cam/scsi/scsi_pass.c#15 (text+ko) ====

@@ -298,9 +298,11 @@
 			  DEVSTAT_PRIORITY_PASS);
 
 	/* Register the device */
+	mtx_unlock(periph->sim->mtx);
 	softc->dev = make_dev(&pass_cdevsw, unit2minor(periph->unit_number),
 			      UID_ROOT, GID_OPERATOR, 0600, "%s%d",
 			      periph->periph_name, periph->unit_number);
+	mtx_lock(periph->sim->mtx);
 	softc->dev->si_drv1 = periph;
 
 	/*