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From: Andriy Gapon <avg@FreeBSD.org>
Date: Sat, 20 Oct 2012 09:25:28 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r241769 -
 stable/9/sys/cddl/contrib/opensolaris/uts/common/fs/zfs
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Author: avg
Date: Sat Oct 20 09:25:28 2012
New Revision: 241769
URL: http://svn.freebsd.org/changeset/base/241769

Log:
  MFC r241297: zvol: set mediasize in geom provider right upon its creation

Modified:
  stable/9/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zvol.c
Directory Properties:
  stable/9/sys/   (props changed)
  stable/9/sys/cddl/contrib/opensolaris/   (props changed)

Modified: stable/9/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zvol.c
==============================================================================
--- stable/9/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zvol.c	Sat Oct 20 09:23:13 2012	(r241768)
+++ stable/9/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zvol.c	Sat Oct 20 09:25:28 2012	(r241769)
@@ -481,6 +481,7 @@ zvol_create_minor(const char *name)
 	zvol_state_t *zv;
 	objset_t *os;
 	dmu_object_info_t doi;
+	uint64_t volsize;
 	int error;
 
 	ZFS_LOG(1, "Creating ZVOL %s...", name);
@@ -541,9 +542,20 @@ zvol_create_minor(const char *name)
 	zv = zs->zss_data = kmem_zalloc(sizeof (zvol_state_t), KM_SLEEP);
 #else	/* !sun */
 
+	error = zap_lookup(os, ZVOL_ZAP_OBJ, "size", 8, 1, &volsize);
+	if (error) {
+		ASSERT(error == 0);
+		dmu_objset_disown(os, zvol_tag);
+		mutex_exit(&spa_namespace_lock);
+		return (error);
+	}
+
 	DROP_GIANT();
 	g_topology_lock();
 	zv = zvol_geom_create(name);
+	zv->zv_volsize = volsize;
+	zv->zv_provider->mediasize = zv->zv_volsize;
+
 #endif	/* !sun */
 
 	(void) strlcpy(zv->zv_name, name, MAXPATHLEN);