diff --git a/cmd/zdb/zdb.c b/cmd/zdb/zdb.c
index dcb77c24ddbc..5a5fe53a29fa 100644
--- a/cmd/zdb/zdb.c
+++ b/cmd/zdb/zdb.c
@@ -21,7 +21,7 @@
 
 /*
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2012, 2014 by Delphix. All rights reserved.
+ * Copyright (c) 2011, 2014 by Delphix. All rights reserved.
  */
 
 #include <stdio.h>
@@ -1019,7 +1019,8 @@ dump_dnode(objset_t *os, uint64_t object, void *data, size_t size)
 }
 
 static uint64_t
-blkid2offset(const dnode_phys_t *dnp, const blkptr_t *bp, const zbookmark_t *zb)
+blkid2offset(const dnode_phys_t *dnp, const blkptr_t *bp,
+    const zbookmark_phys_t *zb)
 {
 	if (dnp == NULL) {
 		ASSERT(zb->zb_level < 0);
@@ -1083,7 +1084,7 @@ snprintf_blkptr_compact(char *blkbuf, size_t buflen, const blkptr_t *bp)
 }
 
 static void
-print_indirect(blkptr_t *bp, const zbookmark_t *zb,
+print_indirect(blkptr_t *bp, const zbookmark_phys_t *zb,
     const dnode_phys_t *dnp)
 {
 	char blkbuf[BP_SPRINTF_LEN];
@@ -1112,7 +1113,7 @@ print_indirect(blkptr_t *bp, const zbookmark_t *zb,
 
 static int
 visit_indirect(spa_t *spa, const dnode_phys_t *dnp,
-    blkptr_t *bp, const zbookmark_t *zb)
+    blkptr_t *bp, const zbookmark_phys_t *zb)
 {
 	int err = 0;
 
@@ -1138,7 +1139,7 @@ visit_indirect(spa_t *spa, const dnode_phys_t *dnp,
 		/* recursively visit blocks below this */
 		cbp = buf->b_data;
 		for (i = 0; i < epb; i++, cbp++) {
-			zbookmark_t czb;
+			zbookmark_phys_t czb;
 
 			SET_BOOKMARK(&czb, zb->zb_objset, zb->zb_object,
 			    zb->zb_level - 1,
@@ -1162,7 +1163,7 @@ dump_indirect(dnode_t *dn)
 {
 	dnode_phys_t *dnp = dn->dn_phys;
 	int j;
-	zbookmark_t czb;
+	zbookmark_phys_t czb;
 
 	(void) printf("Indirect blocks:\n");
 
@@ -2261,7 +2262,7 @@ zdb_blkptr_done(zio_t *zio)
 	blkptr_t *bp = zio->io_bp;
 	int ioerr = zio->io_error;
 	zdb_cb_t *zcb = zio->io_private;
-	zbookmark_t *zb = &zio->io_bookmark;
+	zbookmark_phys_t *zb = &zio->io_bookmark;
 
 	zio_data_buf_free(zio->io_data, zio->io_size);
 
@@ -2295,7 +2296,7 @@ zdb_blkptr_done(zio_t *zio)
 
 static int
 zdb_blkptr_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp,
-    const zbookmark_t *zb, const dnode_phys_t *dnp, void *arg)
+    const zbookmark_phys_t *zb, const dnode_phys_t *dnp, void *arg)
 {
 	zdb_cb_t *zcb = arg;
 	dmu_object_type_t type;
@@ -2753,7 +2754,7 @@ typedef struct zdb_ddt_entry {
 /* ARGSUSED */
 static int
 zdb_ddt_add_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp,
-    const zbookmark_t *zb, const dnode_phys_t *dnp, void *arg)
+    const zbookmark_phys_t *zb, const dnode_phys_t *dnp, void *arg)
 {
 	avl_tree_t *t = arg;
 	avl_index_t where;
diff --git a/cmd/zdb/zdb_il.c b/cmd/zdb/zdb_il.c
index 371a09bcdb39..b85ef7ddd97e 100644
--- a/cmd/zdb/zdb_il.c
+++ b/cmd/zdb/zdb_il.c
@@ -25,7 +25,7 @@
  */
 
 /*
- * Copyright (c) 2013 by Delphix. All rights reserved.
+ * Copyright (c) 2013, 2014 by Delphix. All rights reserved.
  */
 
 /*
@@ -123,7 +123,7 @@ zil_prt_rec_write(zilog_t *zilog, int txtype, lr_write_t *lr)
 {
 	char *data, *dlimit;
 	blkptr_t *bp = &lr->lr_blkptr;
-	zbookmark_t zb;
+	zbookmark_phys_t zb;
 	char buf[SPA_MAXBLOCKSIZE];
 	int verbose = MAX(dump_opt['d'], dump_opt['i']);
 	int error;
diff --git a/include/sys/arc.h b/include/sys/arc.h
index 005d0717938d..8e0843418ac3 100644
--- a/include/sys/arc.h
+++ b/include/sys/arc.h
@@ -20,7 +20,7 @@
  */
 /*
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2013 by Delphix. All rights reserved.
+ * Copyright (c) 2012, 2014 by Delphix. All rights reserved.
  * Copyright (c) 2013 by Saso Kiselkov. All rights reserved.
  */
 
@@ -147,12 +147,12 @@ int arc_referenced(arc_buf_t *buf);
 
 int arc_read(zio_t *pio, spa_t *spa, const blkptr_t *bp,
     arc_done_func_t *done, void *private, zio_priority_t priority, int flags,
-    uint32_t *arc_flags, const zbookmark_t *zb);
+    uint32_t *arc_flags, const zbookmark_phys_t *zb);
 zio_t *arc_write(zio_t *pio, spa_t *spa, uint64_t txg,
     blkptr_t *bp, arc_buf_t *buf, boolean_t l2arc, boolean_t l2arc_compress,
     const zio_prop_t *zp, arc_done_func_t *ready, arc_done_func_t *physdone,
     arc_done_func_t *done, void *private, zio_priority_t priority,
-    int zio_flags, const zbookmark_t *zb);
+    int zio_flags, const zbookmark_phys_t *zb);
 
 arc_prune_t *arc_add_prune_callback(arc_prune_func_t *func, void *private);
 void arc_remove_prune_callback(arc_prune_t *p);
diff --git a/include/sys/bptree.h b/include/sys/bptree.h
index a533cb949021..327c128bf493 100644
--- a/include/sys/bptree.h
+++ b/include/sys/bptree.h
@@ -19,7 +19,7 @@
  * CDDL HEADER END
  */
 /*
- * Copyright (c) 2013 by Delphix. All rights reserved.
+ * Copyright (c) 2012, 2014 by Delphix. All rights reserved.
  */
 
 #ifndef	_SYS_BPTREE_H
@@ -43,7 +43,7 @@ typedef struct bptree_phys {
 typedef struct bptree_entry_phys {
 	blkptr_t be_bp;
 	uint64_t be_birth_txg; /* only delete blocks born after this txg */
-	zbookmark_t be_zb; /* holds traversal resume point if needed */
+	zbookmark_phys_t be_zb; /* holds traversal resume point if needed */
 } bptree_entry_phys_t;
 
 typedef int bptree_itor_t(void *arg, const blkptr_t *bp, dmu_tx_t *tx);
diff --git a/include/sys/dmu.h b/include/sys/dmu.h
index aa3e8f25aa74..2cf4a4bdda6b 100644
--- a/include/sys/dmu.h
+++ b/include/sys/dmu.h
@@ -62,7 +62,7 @@ struct dsl_pool;
 struct dnode;
 struct drr_begin;
 struct drr_end;
-struct zbookmark;
+struct zbookmark_phys;
 struct spa;
 struct nvlist;
 struct arc_buf;
diff --git a/include/sys/dmu_traverse.h b/include/sys/dmu_traverse.h
index bc1590bc3aa8..544b721e4612 100644
--- a/include/sys/dmu_traverse.h
+++ b/include/sys/dmu_traverse.h
@@ -20,7 +20,7 @@
  */
 /*
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2012 by Delphix. All rights reserved.
+ * Copyright (c) 2012, 2014 by Delphix. All rights reserved.
  */
 
 #ifndef	_SYS_DMU_TRAVERSE_H
@@ -40,7 +40,7 @@ struct zilog;
 struct arc_buf;
 
 typedef int (blkptr_cb_t)(spa_t *spa, zilog_t *zilog, const blkptr_t *bp,
-    const zbookmark_t *zb, const struct dnode_phys *dnp, void *arg);
+    const zbookmark_phys_t *zb, const struct dnode_phys *dnp, void *arg);
 
 #define	TRAVERSE_PRE			(1<<0)
 #define	TRAVERSE_POST			(1<<1)
@@ -55,7 +55,7 @@ typedef int (blkptr_cb_t)(spa_t *spa, zilog_t *zilog, const blkptr_t *bp,
 int traverse_dataset(struct dsl_dataset *ds,
     uint64_t txg_start, int flags, blkptr_cb_t func, void *arg);
 int traverse_dataset_destroyed(spa_t *spa, blkptr_t *blkptr,
-    uint64_t txg_start, zbookmark_t *resume, int flags,
+    uint64_t txg_start, zbookmark_phys_t *resume, int flags,
     blkptr_cb_t func, void *arg);
 int traverse_pool(spa_t *spa,
     uint64_t txg_start, int flags, blkptr_cb_t func, void *arg);
diff --git a/include/sys/dsl_scan.h b/include/sys/dsl_scan.h
index de6a7d17a3ef..44a11ba57207 100644
--- a/include/sys/dsl_scan.h
+++ b/include/sys/dsl_scan.h
@@ -20,7 +20,7 @@
  */
 /*
  * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2013 by Delphix. All rights reserved.
+ * Copyright (c) 2012, 2014 by Delphix. All rights reserved.
  */
 
 #ifndef	_SYS_DSL_SCAN_H
@@ -62,7 +62,7 @@ typedef struct dsl_scan_phys {
 	uint64_t scn_errors;	/* scan I/O error count */
 	uint64_t scn_ddt_class_max;
 	ddt_bookmark_t scn_ddt_bookmark;
-	zbookmark_t scn_bookmark;
+	zbookmark_phys_t scn_bookmark;
 	uint64_t scn_flags; /* dsl_scan_flags_t */
 } dsl_scan_phys_t;
 
diff --git a/include/sys/spa.h b/include/sys/spa.h
index 707b1987a775..cc9569255f48 100644
--- a/include/sys/spa.h
+++ b/include/sys/spa.h
@@ -20,7 +20,7 @@
  */
 /*
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2013 by Delphix. All rights reserved.
+ * Copyright (c) 2011, 2014 by Delphix. All rights reserved.
  * Copyright 2011 Nexenta Systems, Inc.  All rights reserved.
  */
 
@@ -51,7 +51,7 @@ typedef struct zilog zilog_t;
 typedef struct spa_aux_vdev spa_aux_vdev_t;
 typedef struct ddt ddt_t;
 typedef struct ddt_entry ddt_entry_t;
-typedef struct zbookmark zbookmark_t;
+typedef struct zbookmark_phys zbookmark_phys_t;
 
 struct dsl_pool;
 struct dsl_dataset;
@@ -720,7 +720,7 @@ typedef enum txg_state {
 
 extern void spa_stats_init(spa_t *spa);
 extern void spa_stats_destroy(spa_t *spa);
-extern void spa_read_history_add(spa_t *spa, const zbookmark_t *zb,
+extern void spa_read_history_add(spa_t *spa, const zbookmark_phys_t *zb,
     uint32_t aflags);
 extern void spa_txg_history_add(spa_t *spa, uint64_t txg, hrtime_t birth_time);
 extern int spa_txg_history_set(spa_t *spa,  uint64_t txg,
@@ -842,7 +842,7 @@ extern void spa_history_log_internal_dd(dsl_dir_t *dd, const char *operation,
     dmu_tx_t *tx, const char *fmt, ...);
 
 /* error handling */
-struct zbookmark;
+struct zbookmark_phys;
 extern void spa_log_error(spa_t *spa, zio_t *zio);
 extern void zfs_ereport_post(const char *class, spa_t *spa, vdev_t *vd,
     zio_t *zio, uint64_t stateoroffset, uint64_t length);
diff --git a/include/sys/spa_impl.h b/include/sys/spa_impl.h
index a8ade1d21704..cd6aeef473f7 100644
--- a/include/sys/spa_impl.h
+++ b/include/sys/spa_impl.h
@@ -20,7 +20,7 @@
  */
 /*
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2013 by Delphix. All rights reserved.
+ * Copyright (c) 2011, 2014 by Delphix. All rights reserved.
  * Copyright 2011 Nexenta Systems, Inc.  All rights reserved.
  */
 
@@ -46,9 +46,9 @@ extern "C" {
 #endif
 
 typedef struct spa_error_entry {
-	zbookmark_t	se_bookmark;
-	char		*se_name;
-	avl_node_t	se_avl;
+	zbookmark_phys_t	se_bookmark;
+	char			*se_name;
+	avl_node_t		se_avl;
 } spa_error_entry_t;
 
 typedef struct spa_history_phys {
diff --git a/include/sys/zio.h b/include/sys/zio.h
index 181722f6837d..69b00d0f4029 100644
--- a/include/sys/zio.h
+++ b/include/sys/zio.h
@@ -22,7 +22,7 @@
 /*
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
  * Copyright 2011 Nexenta Systems, Inc. All rights reserved.
- * Copyright (c) 2013 by Delphix. All rights reserved.
+ * Copyright (c) 2012, 2014 by Delphix. All rights reserved.
  * Copyright (c) 2013 by Saso Kiselkov. All rights reserved.
  */
 
@@ -263,11 +263,11 @@ extern const char *zio_type_name[ZIO_TYPES];
  * Note: this structure is called a bookmark because its original purpose
  * was to remember where to resume a pool-wide traverse.
  *
- * Note: this structure is passed between userland and the kernel.
- * Therefore it must not change size or alignment between 32/64 bit
- * compilation options.
+ * Note: this structure is passed between userland and the kernel, and is
+ * stored on disk (by virtue of being incorporated into other on-disk
+ * structures, e.g. dsl_scan_phys_t).
  */
-struct zbookmark {
+struct zbookmark_phys {
 	uint64_t	zb_objset;
 	uint64_t	zb_object;
 	int64_t		zb_level;
@@ -383,7 +383,7 @@ typedef struct zio_link {
 
 struct zio {
 	/* Core information about this I/O */
-	zbookmark_t	io_bookmark;
+	zbookmark_phys_t	io_bookmark;
 	zio_prop_t	io_prop;
 	zio_type_t	io_type;
 	enum zio_child	io_child_type;
@@ -464,17 +464,17 @@ extern zio_t *zio_root(spa_t *spa,
 
 extern zio_t *zio_read(zio_t *pio, spa_t *spa, const blkptr_t *bp, void *data,
     uint64_t size, zio_done_func_t *done, void *private,
-    zio_priority_t priority, enum zio_flag flags, const zbookmark_t *zb);
+    zio_priority_t priority, enum zio_flag flags, const zbookmark_phys_t *zb);
 
 extern zio_t *zio_write(zio_t *pio, spa_t *spa, uint64_t txg, blkptr_t *bp,
     void *data, uint64_t size, const zio_prop_t *zp,
     zio_done_func_t *ready, zio_done_func_t *physdone, zio_done_func_t *done,
     void *private,
-    zio_priority_t priority, enum zio_flag flags, const zbookmark_t *zb);
+    zio_priority_t priority, enum zio_flag flags, const zbookmark_phys_t *zb);
 
 extern zio_t *zio_rewrite(zio_t *pio, spa_t *spa, uint64_t txg, blkptr_t *bp,
     void *data, uint64_t size, zio_done_func_t *done, void *private,
-    zio_priority_t priority, enum zio_flag flags, zbookmark_t *zb);
+    zio_priority_t priority, enum zio_flag flags, zbookmark_phys_t *zb);
 
 extern void zio_write_override(zio_t *zio, blkptr_t *bp, int copies,
     boolean_t nopwrite);
@@ -595,9 +595,9 @@ extern void zfs_ereport_post_checksum(spa_t *spa, vdev_t *vd,
 /* Called from spa_sync(), but primarily an injection handler */
 extern void spa_handle_ignored_writes(spa_t *spa);
 
-/* zbookmark functions */
+/* zbookmark_phys functions */
 boolean_t zbookmark_is_before(const struct dnode_phys *dnp,
-    const zbookmark_t *zb1, const zbookmark_t *zb2);
+    const zbookmark_phys_t *zb1, const zbookmark_phys_t *zb2);
 
 #ifdef	__cplusplus
 }
diff --git a/lib/libzfs/libzfs_pool.c b/lib/libzfs/libzfs_pool.c
index fce8fa96d2ce..41d11ff556bc 100644
--- a/lib/libzfs/libzfs_pool.c
+++ b/lib/libzfs/libzfs_pool.c
@@ -22,7 +22,7 @@
 /*
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
  * Copyright 2011 Nexenta Systems, Inc. All rights reserved.
- * Copyright (c) 2013 by Delphix. All rights reserved.
+ * Copyright (c) 2012, 2014 by Delphix. All rights reserved.
  */
 
 #include <ctype.h>
@@ -3500,7 +3500,7 @@ zpool_vdev_name(libzfs_handle_t *hdl, zpool_handle_t *zhp, nvlist_t *nv,
 static int
 zbookmark_compare(const void *a, const void *b)
 {
-	return (memcmp(a, b, sizeof (zbookmark_t)));
+	return (memcmp(a, b, sizeof (zbookmark_phys_t)));
 }
 
 /*
@@ -3512,7 +3512,7 @@ zpool_get_errlog(zpool_handle_t *zhp, nvlist_t **nverrlistp)
 {
 	zfs_cmd_t zc = {"\0"};
 	uint64_t count;
-	zbookmark_t *zb = NULL;
+	zbookmark_phys_t *zb = NULL;
 	int i;
 
 	/*
@@ -3525,7 +3525,7 @@ zpool_get_errlog(zpool_handle_t *zhp, nvlist_t **nverrlistp)
 	if (count == 0)
 		return (0);
 	if ((zc.zc_nvlist_dst = (uintptr_t)zfs_alloc(zhp->zpool_hdl,
-	    count * sizeof (zbookmark_t))) == (uintptr_t)NULL)
+	    count * sizeof (zbookmark_phys_t))) == (uintptr_t)NULL)
 		return (-1);
 	zc.zc_nvlist_dst_size = count;
 	(void) strcpy(zc.zc_name, zhp->zpool_name);
@@ -3534,11 +3534,14 @@ zpool_get_errlog(zpool_handle_t *zhp, nvlist_t **nverrlistp)
 		    &zc) != 0) {
 			free((void *)(uintptr_t)zc.zc_nvlist_dst);
 			if (errno == ENOMEM) {
+				void *dst;
+
 				count = zc.zc_nvlist_dst_size;
-				if ((zc.zc_nvlist_dst = (uintptr_t)
-				    zfs_alloc(zhp->zpool_hdl, count *
-				    sizeof (zbookmark_t))) == (uintptr_t)NULL)
+				dst = zfs_alloc(zhp->zpool_hdl, count *
+				    sizeof (zbookmark_phys_t));
+				if (dst == NULL)
 					return (-1);
+				zc.zc_nvlist_dst = (uintptr_t)dst;
 			} else {
 				return (-1);
 			}
@@ -3554,11 +3557,11 @@ zpool_get_errlog(zpool_handle_t *zhp, nvlist_t **nverrlistp)
 	 * _not_ copied as part of the process.  So we point the start of our
 	 * array appropriate and decrement the total number of elements.
 	 */
-	zb = ((zbookmark_t *)(uintptr_t)zc.zc_nvlist_dst) +
+	zb = ((zbookmark_phys_t *)(uintptr_t)zc.zc_nvlist_dst) +
 	    zc.zc_nvlist_dst_size;
 	count -= zc.zc_nvlist_dst_size;
 
-	qsort(zb, count, sizeof (zbookmark_t), zbookmark_compare);
+	qsort(zb, count, sizeof (zbookmark_phys_t), zbookmark_compare);
 
 	verify(nvlist_alloc(nverrlistp, 0, KM_SLEEP) == 0);
 
diff --git a/module/zfs/arc.c b/module/zfs/arc.c
index ad29237b971a..27b004132a6c 100644
--- a/module/zfs/arc.c
+++ b/module/zfs/arc.c
@@ -20,7 +20,7 @@
  */
 /*
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2013 by Delphix. All rights reserved.
+ * Copyright (c) 2011, 2014 by Delphix. All rights reserved.
  * Copyright (c) 2013 by Saso Kiselkov. All rights reserved.
  * Copyright 2014 Nexenta Systems, Inc.  All rights reserved.
  */
@@ -731,7 +731,7 @@ typedef struct l2arc_read_callback {
 	arc_buf_t		*l2rcb_buf;		/* read buffer */
 	spa_t			*l2rcb_spa;		/* spa */
 	blkptr_t		l2rcb_bp;		/* original blkptr */
-	zbookmark_t		l2rcb_zb;		/* original bookmark */
+	zbookmark_phys_t	l2rcb_zb;		/* original bookmark */
 	int			l2rcb_flags;		/* original flags */
 	enum zio_compress	l2rcb_compress;		/* applied compress */
 } l2arc_read_callback_t;
@@ -3197,7 +3197,7 @@ arc_read_done(zio_t *zio)
 int
 arc_read(zio_t *pio, spa_t *spa, const blkptr_t *bp, arc_done_func_t *done,
     void *private, zio_priority_t priority, int zio_flags, uint32_t *arc_flags,
-    const zbookmark_t *zb)
+    const zbookmark_phys_t *zb)
 {
 	arc_buf_hdr_t *hdr = NULL;
 	arc_buf_t *buf = NULL;
@@ -3392,7 +3392,7 @@ arc_read(zio_t *pio, spa_t *spa, const blkptr_t *bp, arc_done_func_t *done,
 		 */
 		ASSERT3U(hdr->b_size, ==, size);
 		DTRACE_PROBE4(arc__miss, arc_buf_hdr_t *, hdr, blkptr_t *, bp,
-		    uint64_t, size, zbookmark_t *, zb);
+		    uint64_t, size, zbookmark_phys_t *, zb);
 		ARCSTAT_BUMP(arcstat_misses);
 		ARCSTAT_CONDSTAT(!(hdr->b_flags & ARC_PREFETCH),
 		    demand, prefetch, hdr->b_type != ARC_BUFC_METADATA,
@@ -3963,7 +3963,7 @@ arc_write(zio_t *pio, spa_t *spa, uint64_t txg,
     blkptr_t *bp, arc_buf_t *buf, boolean_t l2arc, boolean_t l2arc_compress,
     const zio_prop_t *zp, arc_done_func_t *ready, arc_done_func_t *physdone,
     arc_done_func_t *done, void *private, zio_priority_t priority,
-    int zio_flags, const zbookmark_t *zb)
+    int zio_flags, const zbookmark_phys_t *zb)
 {
 	arc_buf_hdr_t *hdr = buf->b_hdr;
 	arc_write_callback_t *callback;
diff --git a/module/zfs/bptree.c b/module/zfs/bptree.c
index cbe8d1caaed4..61fa17f6ee9f 100644
--- a/module/zfs/bptree.c
+++ b/module/zfs/bptree.c
@@ -20,7 +20,7 @@
  */
 
 /*
- * Copyright (c) 2013 by Delphix. All rights reserved.
+ * Copyright (c) 2011, 2014 by Delphix. All rights reserved.
  */
 
 #include <sys/arc.h>
@@ -151,7 +151,7 @@ bptree_add(objset_t *os, uint64_t obj, blkptr_t *bp, uint64_t birth_txg,
 /* ARGSUSED */
 static int
 bptree_visit_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp,
-    const zbookmark_t *zb, const dnode_phys_t *dnp, void *arg)
+    const zbookmark_phys_t *zb, const dnode_phys_t *dnp, void *arg)
 {
 	int err;
 	struct bptree_args *ba = arg;
diff --git a/module/zfs/dbuf.c b/module/zfs/dbuf.c
index 1e5fac78eedc..2b412f1a73c4 100644
--- a/module/zfs/dbuf.c
+++ b/module/zfs/dbuf.c
@@ -577,7 +577,7 @@ static void
 dbuf_read_impl(dmu_buf_impl_t *db, zio_t *zio, uint32_t *flags)
 {
 	dnode_t *dn;
-	zbookmark_t zb;
+	zbookmark_phys_t zb;
 	uint32_t aflags = ARC_NOWAIT;
 
 	DB_DNODE_ENTER(db);
@@ -1922,7 +1922,7 @@ dbuf_prefetch(dnode_t *dn, uint64_t blkid, zio_priority_t prio)
 		if (bp && !BP_IS_HOLE(bp) && !BP_IS_EMBEDDED(bp)) {
 			dsl_dataset_t *ds = dn->dn_objset->os_dsl_dataset;
 			uint32_t aflags = ARC_NOWAIT | ARC_PREFETCH;
-			zbookmark_t zb;
+			zbookmark_phys_t zb;
 
 			SET_BOOKMARK(&zb, ds ? ds->ds_object : DMU_META_OBJSET,
 			    dn->dn_object, 0, blkid);
@@ -2845,7 +2845,7 @@ dbuf_write(dbuf_dirty_record_t *dr, arc_buf_t *data, dmu_tx_t *tx)
 	objset_t *os;
 	dmu_buf_impl_t *parent = db->db_parent;
 	uint64_t txg = tx->tx_txg;
-	zbookmark_t zb;
+	zbookmark_phys_t zb;
 	zio_prop_t zp;
 	zio_t *zio;
 	int wp_flag = 0;
diff --git a/module/zfs/dmu.c b/module/zfs/dmu.c
index 305973abf7ad..a6fe4fb3dcec 100644
--- a/module/zfs/dmu.c
+++ b/module/zfs/dmu.c
@@ -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) 2011, 2014 by Delphix. All rights reserved.
  * Copyright (c) 2013 by Saso Kiselkov. All rights reserved.
  */
 
@@ -1509,7 +1509,7 @@ dmu_sync_late_arrival_done(zio_t *zio)
 
 static int
 dmu_sync_late_arrival(zio_t *pio, objset_t *os, dmu_sync_cb_t *done, zgd_t *zgd,
-    zio_prop_t *zp, zbookmark_t *zb)
+    zio_prop_t *zp, zbookmark_phys_t *zb)
 {
 	dmu_sync_arg_t *dsa;
 	dmu_tx_t *tx;
@@ -1570,7 +1570,7 @@ dmu_sync(zio_t *pio, uint64_t txg, dmu_sync_cb_t *done, zgd_t *zgd)
 	dsl_dataset_t *ds = os->os_dsl_dataset;
 	dbuf_dirty_record_t *dr;
 	dmu_sync_arg_t *dsa;
-	zbookmark_t zb;
+	zbookmark_phys_t zb;
 	zio_prop_t zp;
 	dnode_t *dn;
 
diff --git a/module/zfs/dmu_diff.c b/module/zfs/dmu_diff.c
index a2130b1319b5..30fabbb07957 100644
--- a/module/zfs/dmu_diff.c
+++ b/module/zfs/dmu_diff.c
@@ -20,7 +20,7 @@
  */
 /*
  * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2013 by Delphix. All rights reserved.
+ * Copyright (c) 2012, 2014 by Delphix. All rights reserved.
  */
 
 #include <sys/dmu.h>
@@ -107,7 +107,7 @@ report_dnode(struct diffarg *da, uint64_t object, dnode_phys_t *dnp)
 /* ARGSUSED */
 static int
 diff_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp,
-    const zbookmark_t *zb, const dnode_phys_t *dnp, void *arg)
+    const zbookmark_phys_t *zb, const dnode_phys_t *dnp, void *arg)
 {
 	struct diffarg *da = arg;
 	int err = 0;
diff --git a/module/zfs/dmu_objset.c b/module/zfs/dmu_objset.c
index 238892cf4063..7876d7590793 100644
--- a/module/zfs/dmu_objset.c
+++ b/module/zfs/dmu_objset.c
@@ -285,7 +285,7 @@ dmu_objset_open_impl(spa_t *spa, dsl_dataset_t *ds, blkptr_t *bp,
 	os->os_rootbp = bp;
 	if (!BP_IS_HOLE(os->os_rootbp)) {
 		uint32_t aflags = ARC_WAIT;
-		zbookmark_t zb;
+		zbookmark_phys_t zb;
 		SET_BOOKMARK(&zb, ds ? ds->ds_object : DMU_META_OBJSET,
 		    ZB_ROOT_OBJECT, ZB_ROOT_LEVEL, ZB_ROOT_BLKID);
 
@@ -1018,7 +1018,7 @@ void
 dmu_objset_sync(objset_t *os, zio_t *pio, dmu_tx_t *tx)
 {
 	int txgoff;
-	zbookmark_t zb;
+	zbookmark_phys_t zb;
 	zio_prop_t zp;
 	zio_t *zio;
 	list_t *list;
diff --git a/module/zfs/dmu_send.c b/module/zfs/dmu_send.c
index 39f282ce662a..6f7910362de8 100644
--- a/module/zfs/dmu_send.c
+++ b/module/zfs/dmu_send.c
@@ -23,7 +23,7 @@
  * Copyright (c) 2011 by Delphix. All rights reserved.
  * Copyright 2011 Nexenta Systems, Inc. All rights reserved.
  * Copyright (c) 2012, Joyent, Inc. All rights reserved.
- * Copyright (c) 2013 by Delphix. All rights reserved.
+ * Copyright (c) 2011, 2014 by Delphix. All rights reserved.
  */
 
 #include <sys/dmu.h>
@@ -449,7 +449,7 @@ backup_do_embed(dmu_sendarg_t *dsp, const blkptr_t *bp)
 /* ARGSUSED */
 static int
 backup_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp,
-    const zbookmark_t *zb, const dnode_phys_t *dnp, void *arg)
+    const zbookmark_phys_t *zb, const dnode_phys_t *dnp, void *arg)
 {
 	dmu_sendarg_t *dsp = arg;
 	dmu_object_type_t type = bp ? BP_GET_TYPE(bp) : DMU_OT_NONE;
diff --git a/module/zfs/dmu_traverse.c b/module/zfs/dmu_traverse.c
index 77843f4388cc..42dde7903304 100644
--- a/module/zfs/dmu_traverse.c
+++ b/module/zfs/dmu_traverse.c
@@ -55,7 +55,7 @@ typedef struct traverse_data {
 	uint64_t td_objset;
 	blkptr_t *td_rootbp;
 	uint64_t td_min_txg;
-	zbookmark_t *td_resume;
+	zbookmark_phys_t *td_resume;
 	int td_flags;
 	prefetch_data_t *td_pfd;
 	boolean_t td_paused;
@@ -72,7 +72,7 @@ static int
 traverse_zil_block(zilog_t *zilog, blkptr_t *bp, void *arg, uint64_t claim_txg)
 {
 	traverse_data_t *td = arg;
-	zbookmark_t zb;
+	zbookmark_phys_t zb;
 
 	if (BP_IS_HOLE(bp))
 		return (0);
@@ -96,7 +96,7 @@ traverse_zil_record(zilog_t *zilog, lr_t *lrc, void *arg, uint64_t claim_txg)
 	if (lrc->lrc_txtype == TX_WRITE) {
 		lr_write_t *lr = (lr_write_t *)lrc;
 		blkptr_t *bp = &lr->lr_blkptr;
-		zbookmark_t zb;
+		zbookmark_phys_t zb;
 
 		if (BP_IS_HOLE(bp))
 			return (0);
@@ -150,7 +150,7 @@ typedef enum resume_skip {
  */
 static resume_skip_t
 resume_skip_check(traverse_data_t *td, const dnode_phys_t *dnp,
-    const zbookmark_t *zb)
+    const zbookmark_phys_t *zb)
 {
 	if (td->td_resume != NULL && !ZB_IS_ZERO(td->td_resume)) {
 		/*
@@ -175,7 +175,7 @@ resume_skip_check(traverse_data_t *td, const dnode_phys_t *dnp,
 
 static void
 traverse_prefetch_metadata(traverse_data_t *td,
-    const blkptr_t *bp, const zbookmark_t *zb)
+    const blkptr_t *bp, const zbookmark_phys_t *zb)
 {
 	uint32_t flags = ARC_NOWAIT | ARC_PREFETCH;
 
@@ -209,7 +209,7 @@ prefetch_needed(prefetch_data_t *pfd, const blkptr_t *bp)
 
 static int
 traverse_visitbp(traverse_data_t *td, const dnode_phys_t *dnp,
-    const blkptr_t *bp, const zbookmark_t *zb)
+    const blkptr_t *bp, const zbookmark_phys_t *zb)
 {
 	int err = 0;
 	arc_buf_t *buf = NULL;
@@ -281,14 +281,14 @@ traverse_visitbp(traverse_data_t *td, const dnode_phys_t *dnp,
 		uint32_t flags = ARC_WAIT;
 		int32_t i;
 		int32_t epb = BP_GET_LSIZE(bp) >> SPA_BLKPTRSHIFT;
-		zbookmark_t *czb;
+		zbookmark_phys_t *czb;
 
 		err = arc_read(NULL, td->td_spa, bp, arc_getbuf_func, &buf,
 		    ZIO_PRIORITY_ASYNC_READ, ZIO_FLAG_CANFAIL, &flags, zb);
 		if (err != 0)
 			goto post;
 
-		czb = kmem_alloc(sizeof (zbookmark_t), KM_PUSHPAGE);
+		czb = kmem_alloc(sizeof (zbookmark_phys_t), KM_PUSHPAGE);
 
 		for (i = 0; i < epb; i++) {
 			SET_BOOKMARK(czb, zb->zb_objset, zb->zb_object,
@@ -309,7 +309,7 @@ traverse_visitbp(traverse_data_t *td, const dnode_phys_t *dnp,
 				break;
 		}
 
-		kmem_free(czb, sizeof (zbookmark_t));
+		kmem_free(czb, sizeof (zbookmark_phys_t));
 
 	} else if (BP_GET_TYPE(bp) == DMU_OT_DNODE) {
 		uint32_t flags = ARC_WAIT;
@@ -411,7 +411,7 @@ prefetch_dnode_metadata(traverse_data_t *td, const dnode_phys_t *dnp,
     uint64_t objset, uint64_t object)
 {
 	int j;
-	zbookmark_t czb;
+	zbookmark_phys_t czb;
 
 	for (j = 0; j < dnp->dn_nblkptr; j++) {
 		SET_BOOKMARK(&czb, objset, object, dnp->dn_nlevels - 1, j);
@@ -429,7 +429,7 @@ traverse_dnode(traverse_data_t *td, const dnode_phys_t *dnp,
     uint64_t objset, uint64_t object)
 {
 	int j, err = 0;
-	zbookmark_t czb;
+	zbookmark_phys_t czb;
 
 	for (j = 0; j < dnp->dn_nblkptr; j++) {
 		SET_BOOKMARK(&czb, objset, object, dnp->dn_nlevels - 1, j);
@@ -448,7 +448,7 @@ traverse_dnode(traverse_data_t *td, const dnode_phys_t *dnp,
 /* ARGSUSED */
 static int
 traverse_prefetcher(spa_t *spa, zilog_t *zilog, const blkptr_t *bp,
-    const zbookmark_t *zb, const dnode_phys_t *dnp, void *arg)
+    const zbookmark_phys_t *zb, const dnode_phys_t *dnp, void *arg)
 {
 	prefetch_data_t *pfd = arg;
 	uint32_t aflags = ARC_NOWAIT | ARC_PREFETCH;
@@ -478,7 +478,7 @@ traverse_prefetch_thread(void *arg)
 {
 	traverse_data_t *td_main = arg;
 	traverse_data_t td = *td_main;
-	zbookmark_t czb;
+	zbookmark_phys_t czb;
 
 	td.td_func = traverse_prefetcher;
 	td.td_arg = td_main->td_pfd;
@@ -500,12 +500,12 @@ traverse_prefetch_thread(void *arg)
  */
 static int
 traverse_impl(spa_t *spa, dsl_dataset_t *ds, uint64_t objset, blkptr_t *rootbp,
-    uint64_t txg_start, zbookmark_t *resume, int flags,
+    uint64_t txg_start, zbookmark_phys_t *resume, int flags,
     blkptr_cb_t func, void *arg)
 {
 	traverse_data_t *td;
 	prefetch_data_t *pd;
-	zbookmark_t *czb;
+	zbookmark_phys_t *czb;
 	int err;
 
 	ASSERT(ds == NULL || objset == ds->ds_object);
@@ -519,7 +519,7 @@ traverse_impl(spa_t *spa, dsl_dataset_t *ds, uint64_t objset, blkptr_t *rootbp,
 
 	td = kmem_alloc(sizeof (traverse_data_t), KM_PUSHPAGE);
 	pd = kmem_zalloc(sizeof (prefetch_data_t), KM_PUSHPAGE);
-	czb = kmem_alloc(sizeof (zbookmark_t), KM_PUSHPAGE);
+	czb = kmem_alloc(sizeof (zbookmark_phys_t), KM_PUSHPAGE);
 
 	td->td_spa = spa;
 	td->td_objset = objset;
@@ -574,7 +574,7 @@ traverse_impl(spa_t *spa, dsl_dataset_t *ds, uint64_t objset, blkptr_t *rootbp,
 	mutex_destroy(&pd->pd_mtx);
 	cv_destroy(&pd->pd_cv);
 
-	kmem_free(czb, sizeof (zbookmark_t));
+	kmem_free(czb, sizeof (zbookmark_phys_t));
 	kmem_free(pd, sizeof (struct prefetch_data));
 	kmem_free(td, sizeof (struct traverse_data));
 
@@ -595,7 +595,7 @@ traverse_dataset(dsl_dataset_t *ds, uint64_t txg_start, int flags,
 
 int
 traverse_dataset_destroyed(spa_t *spa, blkptr_t *blkptr,
-    uint64_t txg_start, zbookmark_t *resume, int flags,
+    uint64_t txg_start, zbookmark_phys_t *resume, int flags,
     blkptr_cb_t func, void *arg)
 {
 	return (traverse_impl(spa, NULL, ZB_DESTROYED_OBJSET,
diff --git a/module/zfs/dsl_destroy.c b/module/zfs/dsl_destroy.c
index dc49fd558c3c..50a9c5f31b1f 100644
--- a/module/zfs/dsl_destroy.c
+++ b/module/zfs/dsl_destroy.c
@@ -20,7 +20,7 @@
  */
 /*
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2013 by Delphix. All rights reserved.
+ * Copyright (c) 2012, 2014 by Delphix. All rights reserved.
  * Copyright (c) 2013 Steven Hartland. All rights reserved.
  */
 
@@ -541,7 +541,7 @@ struct killarg {
 /* ARGSUSED */
 static int
 kill_blkptr(spa_t *spa, zilog_t *zilog, const blkptr_t *bp,
-    const zbookmark_t *zb, const dnode_phys_t *dnp, void *arg)
+    const zbookmark_phys_t *zb, const dnode_phys_t *dnp, void *arg)
 {
 	struct killarg *ka = arg;
 	dmu_tx_t *tx = ka->tx;
diff --git a/module/zfs/dsl_scan.c b/module/zfs/dsl_scan.c
index 0f0243b310a0..f22be9889188 100644
--- a/module/zfs/dsl_scan.c
+++ b/module/zfs/dsl_scan.c
@@ -20,7 +20,7 @@
  */
 /*
  * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2013 by Delphix. All rights reserved.
+ * Copyright (c) 2011, 2014 by Delphix. All rights reserved.
  */
 
 #include <sys/dsl_scan.h>
@@ -50,7 +50,8 @@
 #include <sys/zfs_vfsops.h>
 #endif
 
-typedef int (scan_cb_t)(dsl_pool_t *, const blkptr_t *, const zbookmark_t *);
+typedef int (scan_cb_t)(dsl_pool_t *, const blkptr_t *,
+    const zbookmark_phys_t *);
 
 static scan_cb_t dsl_scan_scrub_cb;
 static void dsl_scan_cancel_sync(void *, dmu_tx_t *);
@@ -389,7 +390,7 @@ dsl_scan_cancel(dsl_pool_t *dp)
 }
 
 static void dsl_scan_visitbp(blkptr_t *bp,
-    const zbookmark_t *zb, dnode_phys_t *dnp, arc_buf_t *pbuf,
+    const zbookmark_phys_t *zb, dnode_phys_t *dnp, arc_buf_t *pbuf,
     dsl_dataset_t *ds, dsl_scan_t *scn, dmu_objset_type_t ostype,
     dmu_tx_t *tx);
 inline __attribute__((always_inline)) static void dsl_scan_visitdnode(
@@ -428,7 +429,7 @@ dsl_scan_sync_state(dsl_scan_t *scn, dmu_tx_t *tx)
 }
 
 static boolean_t
-dsl_scan_check_pause(dsl_scan_t *scn, const zbookmark_t *zb)
+dsl_scan_check_pause(dsl_scan_t *scn, const zbookmark_phys_t *zb)
 {
 	uint64_t elapsed_nanosecs;
 	int mintime;
@@ -486,7 +487,7 @@ dsl_scan_zil_block(zilog_t *zilog, blkptr_t *bp, void *arg, uint64_t claim_txg)
 	dsl_pool_t *dp = zsa->zsa_dp;
 	dsl_scan_t *scn = dp->dp_scan;
 	zil_header_t *zh = zsa->zsa_zh;
-	zbookmark_t zb;
+	zbookmark_phys_t zb;
 
 	if (BP_IS_HOLE(bp) || bp->blk_birth <= scn->scn_phys.scn_cur_min_txg)
 		return (0);
@@ -518,7 +519,7 @@ dsl_scan_zil_record(zilog_t *zilog, lr_t *lrc, void *arg, uint64_t claim_txg)
 		zil_header_t *zh = zsa->zsa_zh;
 		lr_write_t *lr = (lr_write_t *)lrc;
 		blkptr_t *bp = &lr->lr_blkptr;
-		zbookmark_t zb;
+		zbookmark_phys_t zb;
 
 		if (BP_IS_HOLE(bp) ||
 		    bp->blk_birth <= scn->scn_phys.scn_cur_min_txg)
@@ -568,7 +569,7 @@ static void
 dsl_scan_prefetch(dsl_scan_t *scn, arc_buf_t *buf, blkptr_t *bp,
     uint64_t objset, uint64_t object, uint64_t blkid)
 {
-	zbookmark_t czb;
+	zbookmark_phys_t czb;
 	uint32_t flags = ARC_NOWAIT | ARC_PREFETCH;
 
 	if (zfs_no_scrub_prefetch)
@@ -587,7 +588,7 @@ dsl_scan_prefetch(dsl_scan_t *scn, arc_buf_t *buf, blkptr_t *bp,
 
 static boolean_t
 dsl_scan_check_resume(dsl_scan_t *scn, const dnode_phys_t *dnp,
-    const zbookmark_t *zb)
+    const zbookmark_phys_t *zb)
 {
 	/*
 	 * We never skip over user/group accounting objects (obj<0)
@@ -627,7 +628,7 @@ dsl_scan_check_resume(dsl_scan_t *scn, const dnode_phys_t *dnp,
 inline __attribute__((always_inline)) static int
 dsl_scan_recurse(dsl_scan_t *scn, dsl_dataset_t *ds, dmu_objset_type_t ostype,
     dnode_phys_t *dnp, const blkptr_t *bp,
-    const zbookmark_t *zb, dmu_tx_t *tx, arc_buf_t **bufp)
+    const zbookmark_phys_t *zb, dmu_tx_t *tx, arc_buf_t **bufp)
 {
 	dsl_pool_t *dp = scn->scn_dp;
 	int zio_flags = ZIO_FLAG_CANFAIL | ZIO_FLAG_SCAN_THREAD;
@@ -650,7 +651,7 @@ dsl_scan_recurse(dsl_scan_t *scn, dsl_dataset_t *ds, dmu_objset_type_t ostype,
 			    zb->zb_object, zb->zb_blkid * epb + i);
 		}
 		for (i = 0, cbp = (*bufp)->b_data; i < epb; i++, cbp++) {
-			zbookmark_t czb;
+			zbookmark_phys_t czb;
 
 			SET_BOOKMARK(&czb, zb->zb_objset, zb->zb_object,
 			    zb->zb_level - 1,
@@ -734,7 +735,7 @@ dsl_scan_visitdnode(dsl_scan_t *scn, dsl_dataset_t *ds,
 	int j;
 
 	for (j = 0; j < dnp->dn_nblkptr; j++) {
-		zbookmark_t czb;
+		zbookmark_phys_t czb;
 
 		SET_BOOKMARK(&czb, ds ? ds->ds_object : 0, object,
 		    dnp->dn_nlevels - 1, j);
@@ -743,7 +744,7 @@ dsl_scan_visitdnode(dsl_scan_t *scn, dsl_dataset_t *ds,
 	}
 
 	if (dnp->dn_flags & DNODE_FLAG_SPILL_BLKPTR) {
-		zbookmark_t czb;
+		zbookmark_phys_t czb;
 		SET_BOOKMARK(&czb, ds ? ds->ds_object : 0, object,
 		    0, DMU_SPILL_BLKID);
 		dsl_scan_visitbp(&dnp->dn_spill,
@@ -756,7 +757,7 @@ dsl_scan_visitdnode(dsl_scan_t *scn, dsl_dataset_t *ds,
  * first 5; we want them to be useful.
  */
 static void
-dsl_scan_visitbp(blkptr_t *bp, const zbookmark_t *zb,
+dsl_scan_visitbp(blkptr_t *bp, const zbookmark_phys_t *zb,
     dnode_phys_t *dnp, arc_buf_t *pbuf,
     dsl_dataset_t *ds, dsl_scan_t *scn, dmu_objset_type_t ostype,
     dmu_tx_t *tx)
@@ -832,7 +833,7 @@ static void
 dsl_scan_visit_rootbp(dsl_scan_t *scn, dsl_dataset_t *ds, blkptr_t *bp,
     dmu_tx_t *tx)
 {
-	zbookmark_t zb;
+	zbookmark_phys_t zb;
 
 	SET_BOOKMARK(&zb, ds ? ds->ds_object : DMU_META_OBJSET,
 	    ZB_ROOT_OBJECT, ZB_ROOT_LEVEL, ZB_ROOT_BLKID);
@@ -1262,7 +1263,7 @@ dsl_scan_ddt_entry(dsl_scan_t *scn, enum zio_checksum checksum,
 	const ddt_key_t *ddk = &dde->dde_key;
 	ddt_phys_t *ddp = dde->dde_phys;
 	blkptr_t bp;
-	zbookmark_t zb = { 0 };
+	zbookmark_phys_t zb = { 0 };
 	int p;
 
 	if (scn->scn_phys.scn_state != DSS_SCANNING)
@@ -1331,7 +1332,7 @@ dsl_scan_visit(dsl_scan_t *scn, dmu_tx_t *tx)
 	 * In case we were paused right at the end of the ds, zero the
 	 * bookmark so we don't think that we're still trying to resume.
 	 */
-	bzero(&scn->scn_phys.scn_bookmark, sizeof (zbookmark_t));
+	bzero(&scn->scn_phys.scn_bookmark, sizeof (zbookmark_phys_t));
 	zc = kmem_alloc(sizeof (zap_cursor_t), KM_PUSHPAGE);
 	za = kmem_alloc(sizeof (zap_attribute_t), KM_PUSHPAGE);
 
@@ -1735,7 +1736,7 @@ dsl_scan_scrub_done(zio_t *zio)
 
 static int
 dsl_scan_scrub_cb(dsl_pool_t *dp,
-    const blkptr_t *bp, const zbookmark_t *zb)
+    const blkptr_t *bp, const zbookmark_phys_t *zb)
 {
 	dsl_scan_t *scn = dp->dp_scan;
 	size_t size = BP_GET_PSIZE(bp);
diff --git a/module/zfs/spa.c b/module/zfs/spa.c
index e4b71ea72d4f..7bd254aa554d 100644
--- a/module/zfs/spa.c
+++ b/module/zfs/spa.c
@@ -790,7 +790,7 @@ spa_error_entry_compare(const void *a, const void *b)
 	int ret;
 
 	ret = bcmp(&sa->se_bookmark, &sb->se_bookmark,
-	    sizeof (zbookmark_t));
+	    sizeof (zbookmark_phys_t));
 
 	if (ret < 0)
 		return (-1);
@@ -1876,7 +1876,7 @@ spa_load_verify_done(zio_t *zio)
 /*ARGSUSED*/
 static int
 spa_load_verify_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp,
-    const zbookmark_t *zb, const dnode_phys_t *dnp, void *arg)
+    const zbookmark_phys_t *zb, const dnode_phys_t *dnp, void *arg)
 {
 	if (!BP_IS_HOLE(bp) && !BP_IS_EMBEDDED(bp)) {
 		zio_t *rio = arg;
diff --git a/module/zfs/spa_errlog.c b/module/zfs/spa_errlog.c
index 35853e282550..925e2af60402 100644
--- a/module/zfs/spa_errlog.c
+++ b/module/zfs/spa_errlog.c
@@ -20,7 +20,7 @@
  */
 /*
  * Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2013 by Delphix. All rights reserved.
+ * Copyright (c) 2013, 2014 by Delphix. All rights reserved.
  */
 
 /*
@@ -35,7 +35,7 @@
  * deleted from the log when the scrub completes.
  *
  * The log is stored using a ZAP object whose key is a string form of the
- * zbookmark tuple (objset, object, level, blkid), and whose contents is an
+ * zbookmark_phys tuple (objset, object, level, blkid), and whose contents is an
  * optional 'objset:object' human-readable string describing the data.  When an
  * error is first logged, this string will be empty, indicating that no name is
  * known.  This prevents us from having to issue a potentially large amount of
@@ -59,7 +59,7 @@
  * Convert a bookmark to a string.
  */
 static void
-bookmark_to_name(zbookmark_t *zb, char *buf, size_t len)
+bookmark_to_name(zbookmark_phys_t *zb, char *buf, size_t len)
 {
 	(void) snprintf(buf, len, "%llx:%llx:%llx:%llx",
 	    (u_longlong_t)zb->zb_objset, (u_longlong_t)zb->zb_object,
@@ -71,7 +71,7 @@ bookmark_to_name(zbookmark_t *zb, char *buf, size_t len)
  */
 #ifdef _KERNEL
 static void
-name_to_bookmark(char *buf, zbookmark_t *zb)
+name_to_bookmark(char *buf, zbookmark_phys_t *zb)
 {
 	zb->zb_objset = strtonum(buf, &buf);
 	ASSERT(*buf == ':');
@@ -92,7 +92,7 @@ name_to_bookmark(char *buf, zbookmark_t *zb)
 void
 spa_log_error(spa_t *spa, zio_t *zio)
 {
-	zbookmark_t *zb = &zio->io_logical->io_bookmark;
+	zbookmark_phys_t *zb = &zio->io_logical->io_bookmark;
 	spa_error_entry_t search;
 	spa_error_entry_t *new;
 	avl_tree_t *tree;
@@ -165,7 +165,7 @@ process_error_log(spa_t *spa, uint64_t obj, void *addr, size_t *count)
 {
 	zap_cursor_t zc;
 	zap_attribute_t za;
-	zbookmark_t zb;
+	zbookmark_phys_t zb;
 
 	if (obj == 0)
 		return (0);
@@ -182,8 +182,8 @@ process_error_log(spa_t *spa, uint64_t obj, void *addr, size_t *count)
 		name_to_bookmark(za.za_name, &zb);
 
 		if (copyout(&zb, (char *)addr +
-		    (*count - 1) * sizeof (zbookmark_t),
-		    sizeof (zbookmark_t)) != 0) {
+		    (*count - 1) * sizeof (zbookmark_phys_t),
+		    sizeof (zbookmark_phys_t)) != 0) {
 			zap_cursor_fini(&zc);
 			return (SET_ERROR(EFAULT));
 		}
@@ -207,8 +207,8 @@ process_error_list(avl_tree_t *list, void *addr, size_t *count)
 			return (SET_ERROR(ENOMEM));
 
 		if (copyout(&se->se_bookmark, (char *)addr +
-		    (*count - 1) * sizeof (zbookmark_t),
-		    sizeof (zbookmark_t)) != 0)
+		    (*count - 1) * sizeof (zbookmark_phys_t),
+		    sizeof (zbookmark_phys_t)) != 0)
 			return (SET_ERROR(EFAULT));
 
 		*count -= 1;
diff --git a/module/zfs/spa_stats.c b/module/zfs/spa_stats.c
index dbc761e115d5..2ae0af20e714 100644
--- a/module/zfs/spa_stats.c
+++ b/module/zfs/spa_stats.c
@@ -192,7 +192,7 @@ spa_read_history_destroy(spa_t *spa)
 }
 
 void
-spa_read_history_add(spa_t *spa, const zbookmark_t *zb, uint32_t aflags)
+spa_read_history_add(spa_t *spa, const zbookmark_phys_t *zb, uint32_t aflags)
 {
 	spa_stats_history_t *ssh = &spa->spa_stats.read_history;
 	spa_read_history_t *srh, *rm;
diff --git a/module/zfs/zil.c b/module/zfs/zil.c
index 7c3c6592b51f..e625bb9967d5 100644
--- a/module/zfs/zil.c
+++ b/module/zfs/zil.c
@@ -20,7 +20,7 @@
  */
 /*
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2013 by Delphix. All rights reserved.
+ * Copyright (c) 2011, 2014 by Delphix. All rights reserved.
  */
 
 /* Portions Copyright 2010 Robert Milkowski */
@@ -205,7 +205,7 @@ zil_read_log_block(zilog_t *zilog, const blkptr_t *bp, blkptr_t *nbp, void *dst,
 	enum zio_flag zio_flags = ZIO_FLAG_CANFAIL;
 	uint32_t aflags = ARC_WAIT;
 	arc_buf_t *abuf = NULL;
-	zbookmark_t zb;
+	zbookmark_phys_t zb;
 	int error;
 
 	if (zilog->zl_header->zh_claim_txg == 0)
@@ -278,7 +278,7 @@ zil_read_log_data(zilog_t *zilog, const lr_write_t *lr, void *wbuf)
 	const blkptr_t *bp = &lr->lr_blkptr;
 	uint32_t aflags = ARC_WAIT;
 	arc_buf_t *abuf = NULL;
-	zbookmark_t zb;
+	zbookmark_phys_t zb;
 	int error;
 
 	if (BP_IS_HOLE(bp)) {
@@ -900,7 +900,7 @@ zil_lwb_write_done(zio_t *zio)
 static void
 zil_lwb_write_init(zilog_t *zilog, lwb_t *lwb)
 {
-	zbookmark_t zb;
+	zbookmark_phys_t zb;
 
 	SET_BOOKMARK(&zb, lwb->lwb_blk.blk_cksum.zc_word[ZIL_ZC_OBJSET],
 	    ZB_ZIL_OBJECT, ZB_ZIL_LEVEL,
diff --git a/module/zfs/zio.c b/module/zfs/zio.c
index 58d4550fbf79..e4f1271d3a02 100644
--- a/module/zfs/zio.c
+++ b/module/zfs/zio.c
@@ -539,7 +539,7 @@ static zio_t *
 zio_create(zio_t *pio, spa_t *spa, uint64_t txg, const blkptr_t *bp,
     void *data, uint64_t size, zio_done_func_t *done, void *private,
     zio_type_t type, zio_priority_t priority, enum zio_flag flags,
-    vdev_t *vd, uint64_t offset, const zbookmark_t *zb,
+    vdev_t *vd, uint64_t offset, const zbookmark_phys_t *zb,
     enum zio_stage stage, enum zio_stage pipeline)
 {
 	zio_t *zio;
@@ -623,7 +623,7 @@ zio_create(zio_t *pio, spa_t *spa, uint64_t txg, const blkptr_t *bp,
 	bzero(zio->io_child_error, sizeof (int) * ZIO_CHILD_TYPES);
 	bzero(zio->io_children,
 	    sizeof (uint64_t) * ZIO_CHILD_TYPES * ZIO_WAIT_TYPES);
-	bzero(&zio->io_bookmark, sizeof (zbookmark_t));
+	bzero(&zio->io_bookmark, sizeof (zbookmark_phys_t));
 
 	zio->io_state[ZIO_WAIT_READY] = (stage >= ZIO_STAGE_READY);
 	zio->io_state[ZIO_WAIT_DONE] = (stage >= ZIO_STAGE_DONE);
@@ -672,7 +672,7 @@ zio_root(spa_t *spa, zio_done_func_t *done, void *private, enum zio_flag flags)
 zio_t *
 zio_read(zio_t *pio, spa_t *spa, const blkptr_t *bp,
     void *data, uint64_t size, zio_done_func_t *done, void *private,
-    zio_priority_t priority, enum zio_flag flags, const zbookmark_t *zb)
+    zio_priority_t priority, enum zio_flag flags, const zbookmark_phys_t *zb)
 {
 	zio_t *zio;
 
@@ -690,7 +690,7 @@ zio_write(zio_t *pio, spa_t *spa, uint64_t txg, blkptr_t *bp,
     void *data, uint64_t size, const zio_prop_t *zp,
     zio_done_func_t *ready, zio_done_func_t *physdone, zio_done_func_t *done,
     void *private,
-    zio_priority_t priority, enum zio_flag flags, const zbookmark_t *zb)
+    zio_priority_t priority, enum zio_flag flags, const zbookmark_phys_t *zb)
 {
 	zio_t *zio;
 
@@ -728,7 +728,7 @@ zio_write(zio_t *pio, spa_t *spa, uint64_t txg, blkptr_t *bp,
 zio_t *
 zio_rewrite(zio_t *pio, spa_t *spa, uint64_t txg, blkptr_t *bp, void *data,
     uint64_t size, zio_done_func_t *done, void *private,
-    zio_priority_t priority, enum zio_flag flags, zbookmark_t *zb)
+    zio_priority_t priority, enum zio_flag flags, zbookmark_phys_t *zb)
 {
 	zio_t *zio;
 
@@ -3348,8 +3348,8 @@ static zio_pipe_stage_t *zio_pipeline[] = {
 
 /* dnp is the dnode for zb1->zb_object */
 boolean_t
-zbookmark_is_before(const dnode_phys_t *dnp, const zbookmark_t *zb1,
-    const zbookmark_t *zb2)
+zbookmark_is_before(const dnode_phys_t *dnp, const zbookmark_phys_t *zb1,
+    const zbookmark_phys_t *zb2)
 {
 	uint64_t zb1nextL0, zb2thisobj;
 
diff --git a/module/zfs/zio_inject.c b/module/zfs/zio_inject.c
index 13d188731c68..c168f3b47f2e 100644
--- a/module/zfs/zio_inject.c
+++ b/module/zfs/zio_inject.c
@@ -20,7 +20,7 @@
  */
 /*
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2013 by Delphix. All rights reserved.
+ * Copyright (c) 2012, 2014 by Delphix. All rights reserved.
  */
 
 /*
@@ -64,7 +64,7 @@ static int inject_next_id = 1;
  * Returns true if the given record matches the I/O in progress.
  */
 static boolean_t
-zio_match_handler(zbookmark_t *zb, uint64_t type,
+zio_match_handler(zbookmark_phys_t *zb, uint64_t type,
     zinject_record_t *record, int error)
 {
 	/*