Illumos 4914 - zfs on-disk bookmark structure should be named *_phys_t

4914 zfs on-disk bookmark structure should be named *_phys_t

Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Christopher Siden <christopher.siden@delphix.com>
Reviewed by: Richard Lowe <richlowe@richlowe.net>
Reviewed by: Saso Kiselkov <skiselkov.ml@gmail.com>
Approved by: Robert Mustacchi <rm@joyent.com>

References:
  https://www.illumos.org/issues/4914
  https://github.com/illumos/illumos-gate/commit/7802d7b

Porting notes:

There were a number of zfsonlinux-specific uses of zbookmark_t which
needed to be updated.  This should reduce the likelihood of further
problems like issue #2094 from occurring.

Ported by: Tim Chase <tim@chase2k.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #2558

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);