svn commit: r337214 - vendor-sys/illumos/dist/common/zfs vendor-sys/illumos/dist/uts/common/sys/fs vendor/illumos/dist/lib/libzfs/common vendor/illumos/dist/man/man1m

[Alexander Motin]

Author: mav
Date: Fri Aug  3 00:19:59 2018
New Revision: 337214
URL: https://svnweb.freebsd.org/changeset/base/337214

Log:
  9621 Make createtxg and guid properties public
  
  illumos/illumos-gate at e8d4a73c868afb740396041be80ed2b141065e76
  
  Reviewed by: Andy Stormont <astormont at racktopsystems.com>
  Reviewed by: Paul Dagnelie <pcd at delphix.com>
  Reviewed by: Matt Ahrens <matt at delphix.com>
  Reviewed by: Yuri Pankov <yuripv at yuripv.net>
  Approved by: Robert Mustacchi <rm at joyent.com>
  Author:     Josh Paetzel <josh at tcbug.org>

Modified:
  vendor/illumos/dist/lib/libzfs/common/libzfs_dataset.c
  vendor/illumos/dist/man/man1m/zfs.1m

Changes in other areas also in this revision:
Modified:
  vendor-sys/illumos/dist/common/zfs/zfs_prop.c
  vendor-sys/illumos/dist/uts/common/sys/fs/zfs.h

Modified: vendor/illumos/dist/lib/libzfs/common/libzfs_dataset.c
==============================================================================
--- vendor/illumos/dist/lib/libzfs/common/libzfs_dataset.c	Fri Aug  3 00:14:36 2018	(r337213)
+++ vendor/illumos/dist/lib/libzfs/common/libzfs_dataset.c	Fri Aug  3 00:19:59 2018	(r337214)
@@ -2753,6 +2753,7 @@ zfs_prop_get(zfs_handle_t *zhp, zfs_prop_t prop, char 
 		break;
 
 	case ZFS_PROP_GUID:
+	case ZFS_PROP_CREATETXG:
 		/*
 		 * GUIDs are stored as numbers, but they are identifiers.
 		 * We don't want them to be pretty printed, because pretty

Modified: vendor/illumos/dist/man/man1m/zfs.1m
==============================================================================
--- vendor/illumos/dist/man/man1m/zfs.1m	Fri Aug  3 00:14:36 2018	(r337213)
+++ vendor/illumos/dist/man/man1m/zfs.1m	Fri Aug  3 00:19:59 2018	(r337214)
@@ -550,6 +550,13 @@ Compression can be turned on by running:
 .Nm zfs Cm set Sy compression Ns = Ns Sy on Ar dataset .
 The default value is
 .Sy off .
+.It Sy createtxg
+The transaction group (txg) in which the dataset was created.
+Bookmarks have the same
+.Sy createtxg
+as the snapshot they are initially tied to.
+This property is suitable for ordering a list of snapshots,
+e.g. for incremental send and receive.
 .It Sy creation
 The time this dataset was created.
 .It Sy clones
@@ -581,6 +588,14 @@ the dataset tree.
 This value is only available when a
 .Sy filesystem_limit
 has been set somewhere in the tree under which the dataset resides.
+.It Sy guid
+The 64 bit GUID of this dataset or bookmark which does not change over its
+entire lifetime.
+When a snapshot is sent to another pool, the received snapshot has the same
+GUID.
+Thus, the
+.Sy guid
+is suitable to identify a snapshot across pools.
 .It Sy logicalreferenced
 The amount of space that is
 .Qq logically