X-Git-Url: https://git.camperquake.de/gitweb.cgi?a=blobdiff_plain;f=module%2Fzfs%2Fvdev.c;h=18d2d5ca6e752e39496f2bb0e2f2427fd90dd5bb;hb=3541dc6d02592bd0939ea2d35b50c2bbdcc4cd0e;hp=4bed646b36975f994977b55649ab5a78339e4100;hpb=c28b227942b421ebdc03c9df9a012642fb517223;p=zfs.git

diff --git a/module/zfs/vdev.c b/module/zfs/vdev.c
index 4bed646..18d2d5c 100644
--- a/module/zfs/vdev.c
+++ b/module/zfs/vdev.c
@@ -21,6 +21,8 @@
 
 /*
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2011 Nexenta Systems, Inc.  All rights reserved.
+ * Copyright (c) 2011 by Delphix. All rights reserved.
  */
 
 #include <sys/zfs_context.h>
@@ -291,6 +293,7 @@ vdev_alloc_common(spa_t *spa, uint_t id, uint64_t guid, vdev_ops_t *ops)
 	if (spa->spa_root_vdev == NULL) {
 		ASSERT(ops == &vdev_root_ops);
 		spa->spa_root_vdev = vd;
+		spa->spa_load_guid = spa_generate_guid(NULL);
 	}
 
 	if (guid == 0 && ops != &vdev_hole_ops) {
@@ -492,7 +495,7 @@ vdev_alloc(spa_t *spa, vdev_t **vdp, nvlist_t *nv, vdev_t *parent, uint_t id,
 		    &vd->vdev_removing);
 	}
 
-	if (parent && !parent->vdev_parent) {
+	if (parent && !parent->vdev_parent && alloctype != VDEV_ALLOC_ATTACH) {
 		ASSERT(alloctype == VDEV_ALLOC_LOAD ||
 		    alloctype == VDEV_ALLOC_ADD ||
 		    alloctype == VDEV_ALLOC_SPLIT ||
@@ -669,6 +672,8 @@ vdev_top_transfer(vdev_t *svd, vdev_t *tvd)
 	svd->vdev_ms_shift = 0;
 	svd->vdev_ms_count = 0;
 
+	if (tvd->vdev_mg)
+		ASSERT3P(tvd->vdev_mg, ==, svd->vdev_mg);
 	tvd->vdev_mg = svd->vdev_mg;
 	tvd->vdev_ms = svd->vdev_ms;
 
@@ -833,7 +838,7 @@ vdev_metaslab_init(vdev_t *vd, uint64_t txg)
 
 	ASSERT(oldc <= newc);
 
-	mspp = kmem_zalloc(newc * sizeof (*mspp), KM_SLEEP);
+	mspp = kmem_zalloc(newc * sizeof (*mspp), KM_SLEEP | KM_NODEBUG);
 
 	if (oldc != 0) {
 		bcopy(vd->vdev_ms, mspp, oldc * sizeof (*mspp));
@@ -3053,13 +3058,17 @@ vdev_set_state(vdev_t *vd, boolean_t isopen, vdev_state_t state, vdev_aux_t aux)
 
 /*
  * Check the vdev configuration to ensure that it's capable of supporting
- * a root pool. Currently, we do not support RAID-Z or partial configuration.
- * In addition, only a single top-level vdev is allowed and none of the leaves
- * can be wholedisks.
+ * a root pool.
  */
 boolean_t
 vdev_is_bootable(vdev_t *vd)
 {
+#if defined(__sun__) || defined(__sun)
+	/*
+	 * Currently, we do not support RAID-Z or partial configuration.
+	 * In addition, only a single top-level vdev is allowed and none of the
+	 * leaves can be wholedisks.
+	 */
 	int c;
 
 	if (!vd->vdev_ops->vdev_op_leaf) {
@@ -3080,6 +3089,7 @@ vdev_is_bootable(vdev_t *vd)
 		if (!vdev_is_bootable(vd->vdev_child[c]))
 			return (B_FALSE);
 	}
+#endif /* __sun__ || __sun */
 	return (B_TRUE);
 }
 
@@ -3174,4 +3184,7 @@ EXPORT_SYMBOL(vdev_degrade);
 EXPORT_SYMBOL(vdev_online);
 EXPORT_SYMBOL(vdev_offline);
 EXPORT_SYMBOL(vdev_clear);
+
+module_param(zfs_scrub_limit, int, 0644);
+MODULE_PARM_DESC(zfs_scrub_limit, "Max scrub/resilver I/O per leaf vdev");
 #endif