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From: Alexander Motin <mav@FreeBSD.org>
Date: Wed, 24 Apr 2013 19:00:45 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r249849 - in head/sys/dev: hptmv mpt
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Author: mav
Date: Wed Apr 24 19:00:45 2013
New Revision: 249849
URL: http://svnweb.freebsd.org/changeset/base/249849

Log:
  Move hptmv and mpt drivers shutdown a bit later to the SHUTDOWN_PRI_LAST
  stage of shutdown_post_sync.  That should allow CAM to do final cache flush
  at the SHUTDOWN_PRI_DEFAULT without using polling magic.
  
  MFC after:	3 days

Modified:
  head/sys/dev/hptmv/entry.c
  head/sys/dev/mpt/mpt_pci.c

Modified: head/sys/dev/hptmv/entry.c
==============================================================================
--- head/sys/dev/hptmv/entry.c	Wed Apr 24 18:30:32 2013	(r249848)
+++ head/sys/dev/hptmv/entry.c	Wed Apr 24 19:00:45 2013	(r249849)
@@ -2605,9 +2605,11 @@ launch_worker_thread(void)
 	 * hpt_worker_thread needs to be suspended after shutdown sync, when fs sync finished.
 	 */
 #if (__FreeBSD_version < 500043)
-	EVENTHANDLER_REGISTER(shutdown_post_sync, shutdown_kproc, hptdaemonproc, SHUTDOWN_PRI_FIRST);
+	EVENTHANDLER_REGISTER(shutdown_post_sync, shutdown_kproc, hptdaemonproc,
+	    SHUTDOWN_PRI_LAST);
 #else 
-	EVENTHANDLER_REGISTER(shutdown_post_sync, kproc_shutdown, hptdaemonproc, SHUTDOWN_PRI_FIRST);
+	EVENTHANDLER_REGISTER(shutdown_post_sync, kproc_shutdown, hptdaemonproc,
+	    SHUTDOWN_PRI_LAST);
 #endif
 }
 /*

Modified: head/sys/dev/mpt/mpt_pci.c
==============================================================================
--- head/sys/dev/mpt/mpt_pci.c	Wed Apr 24 18:30:32 2013	(r249848)
+++ head/sys/dev/mpt/mpt_pci.c	Wed Apr 24 19:00:45 2013	(r249849)
@@ -563,7 +563,7 @@ mpt_pci_attach(device_t dev)
 	}
 
 	mpt->eh = EVENTHANDLER_REGISTER(shutdown_post_sync, mpt_pci_shutdown,
-	    dev, SHUTDOWN_PRI_DEFAULT);
+	    dev, SHUTDOWN_PRI_LAST);
 
 	if (mpt->eh == NULL) {
 		mpt_prt(mpt, "shutdown event registration failed\n");