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Date:      Sat, 24 Jul 2010 22:28:29 +0000 (UTC)
From:      Martin Matuska <mm@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r210457 - head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs
Message-ID:  <201007242228.o6OMSTJ4056011@svn.freebsd.org>

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Author: mm
Date: Sat Jul 24 22:28:29 2010
New Revision: 210457
URL: http://svn.freebsd.org/changeset/base/210457

Log:
  Consider snapshots as descendants via zfs allow -d
  
  OpenSolaris onnv changeset:	9847:2f3ba86e857a
  
  Approved by:	pjd, delphij (mentor)
  Obtained from:	OpenSolaris (Bug ID 6809340)
  MFC after:	1 week

Modified:
  head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dsl_deleg.c

Modified: head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dsl_deleg.c
==============================================================================
--- head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dsl_deleg.c	Sat Jul 24 22:16:14 2010	(r210456)
+++ head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dsl_deleg.c	Sat Jul 24 22:28:29 2010	(r210457)
@@ -19,7 +19,7 @@
  * CDDL HEADER END
  */
 /*
- * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
 
@@ -66,8 +66,6 @@
  * The ZAP OBJ is referred to as the jump object.
  */
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
 #include <sys/dmu.h>
 #include <sys/dmu_objset.h>
 #include <sys/dmu_tx.h>
@@ -540,7 +538,7 @@ dsl_deleg_access(const char *dsname, con
 	dsl_pool_t *dp;
 	void *cookie;
 	int	error;
-	char	checkflag = ZFS_DELEG_LOCAL;
+	char	checkflag;
 	objset_t *mos;
 	avl_tree_t permsets;
 	perm_set_t *setnode;
@@ -563,6 +561,16 @@ dsl_deleg_access(const char *dsname, con
 		return (EPERM);
 	}
 
+	if (dsl_dataset_is_snapshot(ds)) {
+		/*
+		 * Snapshots are treated as descendents only,
+		 * local permissions do not apply.
+		 */
+		checkflag = ZFS_DELEG_DESCENDENT;
+	} else {
+		checkflag = ZFS_DELEG_LOCAL;
+	}
+
 	avl_create(&permsets, perm_set_compare, sizeof (perm_set_t),
 	    offsetof(perm_set_t, p_node));
 



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