MFV r247316:

Merge new read-only zfs properties from vendor (illumos)

Illumos ZFS issues:
  3588 provide zfs properties for logical (uncompressed) space used and
       referenced

References:
  https://www.illumos.org/issues/3588

MFC after:	2 weeks

cddl/contrib/opensolaris/cmd/zfs/zfs.8

@@ -526,6 +526,39 @@ if the snapshot has been marked for deferred destroy by using the
 .Qq Nm Cm destroy -d
 command. Otherwise, the property is
 .Cm off .
+.It Sy logicalreferenced
+The amount of space that is
+.Qq logically
+accessible by this dataset.
+See the
+.Sy referenced
+property.
+The logical space ignores the effect of the
+.Sy compression
+and
+.Sy copies
+properties, giving a quantity closer to the amount of data that applications
+see.
+However, it does include space consumed by metadata.
+.Pp
+This property can also be referred to by its shortened column name,
+.Sy lrefer .
+.It Sy logicalused
+The amount of space that is
+.Qq logically
+consumed by this dataset and all its descendents.
+See the
+.Sy used
+property.
+The logical space ignores the effect of the
+.Sy compression
+and
+.Sy copies
+properties, giving a quantity closer to the amount of data that applications
+see.
+.Pp
+This property can also be referred to by its shortened column name,
+.Sy lused .
 .It Sy mounted
 For file systems, indicates whether the file system is currently mounted. This
 property can be either

sys/cddl/contrib/opensolaris/common/zfs/zfs_prop.c

@@ -20,7 +20,7 @@
  */
 /*
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2011 by Delphix. All rights reserved.
+ * Copyright (c) 2012 by Delphix. All rights reserved.
  * Copyright (c) 2013 by Saso Kiselkov. All rights reserved.
  */
 
@@ -350,6 +350,10 @@ zfs_prop_init(void)
 	    ZFS_TYPE_SNAPSHOT, "<count>", "USERREFS");
 	zprop_register_number(ZFS_PROP_WRITTEN, "written", 0, PROP_READONLY,
 	    ZFS_TYPE_DATASET, "<size>", "WRITTEN");
+	zprop_register_number(ZFS_PROP_LOGICALUSED, "logicalused", 0,
+	    PROP_READONLY, ZFS_TYPE_DATASET, "<size>", "LUSED");
+	zprop_register_number(ZFS_PROP_LOGICALREFERENCED, "logicalreferenced",
+	    0, PROP_READONLY, ZFS_TYPE_DATASET, "<size>", "LREFER");
 
 	/* default number properties */
 	zprop_register_number(ZFS_PROP_QUOTA, "quota", 0, PROP_DEFAULT,

sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dsl_dataset.c

@@ -2344,6 +2344,8 @@ dsl_dataset_stats(dsl_dataset_t *ds, nvlist_t *nv)
 	    (ds->ds_phys->ds_uncompressed_bytes * 100 /
 	    ds->ds_phys->ds_compressed_bytes);
 	dsl_prop_nvlist_add_uint64(nv, ZFS_PROP_REFRATIO, ratio);
+	dsl_prop_nvlist_add_uint64(nv, ZFS_PROP_LOGICALREFERENCED,
+	    ds->ds_phys->ds_uncompressed_bytes);
 
 	if (ds->ds_phys->ds_next_snap_obj) {
 		/*

sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dsl_dir.c

@@ -541,6 +541,8 @@ dsl_dir_stats(dsl_dir_t *dd, nvlist_t *nv)
 	    dd->dd_phys->dd_compressed_bytes == 0 ? 100 :
 	    (dd->dd_phys->dd_uncompressed_bytes * 100 /
 	    dd->dd_phys->dd_compressed_bytes));
+	dsl_prop_nvlist_add_uint64(nv, ZFS_PROP_LOGICALUSED,
+	    dd->dd_phys->dd_uncompressed_bytes);
 	if (dd->dd_phys->dd_flags & DD_FLAG_USED_BREAKDOWN) {
 		dsl_prop_nvlist_add_uint64(nv, ZFS_PROP_USEDSNAP,
 		    dd->dd_phys->dd_used_breakdown[DD_USED_SNAP]);

sys/cddl/contrib/opensolaris/uts/common/sys/fs/zfs.h

@@ -131,6 +131,8 @@ typedef enum {
 	ZFS_PROP_REFRATIO,
 	ZFS_PROP_WRITTEN,
 	ZFS_PROP_CLONES,
+	ZFS_PROP_LOGICALUSED,
+	ZFS_PROP_LOGICALREFERENCED,
 	ZFS_NUM_PROPS
 } zfs_prop_t;