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Date:      Wed, 21 Jan 2015 09:39:21 +0000 (UTC)
From:      Steven Hartland <smh@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-10@freebsd.org
Subject:   svn commit: r277482 - stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs
Message-ID:  <201501210939.t0L9dLjL093367@svn.freebsd.org>

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Author: smh
Date: Wed Jan 21 09:39:20 2015
New Revision: 277482
URL: https://svnweb.freebsd.org/changeset/base/277482

Log:
  MFC r272509 (by delphi):
  Diff reduction with upstream
  
  Sponsored by:	Multiplay

Modified:
  stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zvol.c
Directory Properties:
  stable/10/   (props changed)

Modified: stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zvol.c
==============================================================================
--- stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zvol.c	Wed Jan 21 09:01:48 2015	(r277481)
+++ stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zvol.c	Wed Jan 21 09:39:20 2015	(r277482)
@@ -1997,8 +1997,8 @@ zvol_ioctl(dev_t dev, int cmd, intptr_t 
 		 */
 		if (df.df_start >= zv->zv_volsize)
 			break;	/* No need to do anything... */
-		if (df.df_start + df.df_length > zv->zv_volsize)
-			df.df_length = DMU_OBJECT_END;
+
+		mutex_exit(&spa_namespace_lock);
 
 		rl = zfs_range_lock(&zv->zv_znode, df.df_start, df.df_length,
 		    RL_WRITER);
@@ -2037,7 +2037,7 @@ zvol_ioctl(dev_t dev, int cmd, intptr_t 
 				    dmu_objset_pool(zv->zv_objset), 0);
 			}
 		}
-		break;
+		return (error);
 	}
 
 	default:



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