svn commit: r297508 - in head/cddl/contrib/opensolaris/lib/libzpool/common: . sys

[Alexander Motin]

Author: mav
Date: Sat Apr  2 08:34:15 2016
New Revision: 297508
URL: https://svnweb.freebsd.org/changeset/base/297508

Log:
  MFV r297505:
  6739 userland version of cv_timedwait_hires() always assumes absolute time
  
  Reviewed by: Paul Dagnelie <pcd at delphix.com>
  Reviewed by: Matthew Ahrens <mahrens at delphix.com>
  Reviewed by: Dan McDonald <danmcd at omniti.com>
  Reviewed by: Robert Mustacchi <rm at joyent.com>
  Approved by: Robert Mustacchi <rm at joyent.com>
  Author: George Wilson <george.wilson at delphix.com>
  
  illumos/illumos-gate at 41c6413cb54bf338d7a59ed789ec2e0e44c35e6f

Modified:
  head/cddl/contrib/opensolaris/lib/libzpool/common/kernel.c
  head/cddl/contrib/opensolaris/lib/libzpool/common/sys/zfs_context.h
Directory Properties:
  head/cddl/contrib/opensolaris/   (props changed)

Modified: head/cddl/contrib/opensolaris/lib/libzpool/common/kernel.c
==============================================================================
--- head/cddl/contrib/opensolaris/lib/libzpool/common/kernel.c	Sat Apr  2 08:28:46 2016	(r297507)
+++ head/cddl/contrib/opensolaris/lib/libzpool/common/kernel.c	Sat Apr  2 08:34:15 2016	(r297508)
@@ -366,10 +366,13 @@ cv_timedwait_hires(kcondvar_t *cv, kmute
 	timestruc_t ts;
 	hrtime_t delta;
 
-	ASSERT(flag == 0);
+	ASSERT(flag == 0 || flag == CALLOUT_FLAG_ABSOLUTE);
 
 top:
-	delta = tim - gethrtime();
+	delta = tim;
+	if (flag & CALLOUT_FLAG_ABSOLUTE)
+		delta -= gethrtime();
+
 	if (delta <= 0)
 		return (-1);
 

Modified: head/cddl/contrib/opensolaris/lib/libzpool/common/sys/zfs_context.h
==============================================================================
--- head/cddl/contrib/opensolaris/lib/libzpool/common/sys/zfs_context.h	Sat Apr  2 08:28:46 2016	(r297507)
+++ head/cddl/contrib/opensolaris/lib/libzpool/common/sys/zfs_context.h	Sat Apr  2 08:34:15 2016	(r297508)
@@ -20,7 +20,7 @@
  */
 /*
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2012, 2014 by Delphix. All rights reserved.
+ * Copyright (c) 2012, 2015 by Delphix. All rights reserved.
  * Copyright (c) 2012, Joyent, Inc. All rights reserved.
  */
 /*
@@ -324,6 +324,7 @@ extern gid_t *crgetgroups(cred_t *cr);
 typedef cond_t kcondvar_t;
 
 #define	CV_DEFAULT	USYNC_THREAD
+#define	CALLOUT_FLAG_ABSOLUTE	0x2
 
 extern void cv_init(kcondvar_t *cv, char *name, int type, void *arg);
 extern void cv_destroy(kcondvar_t *cv);