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MFV 337214:

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9621 Make createtxg and guid properties public

illumos/illumos-gate@e8d4a73c86

Reviewed by: Andy Stormont <astormont@racktopsystems.com>
Reviewed by: Paul Dagnelie <pcd@delphix.com>
Reviewed by: Matt Ahrens <matt@delphix.com>
Reviewed by: Yuri Pankov <yuripv@yuripv.net>
Approved by: Robert Mustacchi <rm@joyent.com>
Author:     Josh Paetzel <josh@tcbug.org>
This commit is contained in:
Alexander Motin 2018-08-03 00:24:27 +00:00
commit 0285589b38
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=337215
4 changed files with 21 additions and 5 deletions
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15
cddl/contrib/opensolaris/cmd/zfs/zfs.8
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@ -548,6 +548,13 @@ property. Compression can be turned on by running:
.Qq Nm Cm set compression=on Ar dataset
The default value is
.Cm 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
@ -575,6 +582,14 @@ 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

1
cddl/contrib/opensolaris/lib/libzfs/common/libzfs_dataset.c
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@ -2784,6 +2784,7 @@ zfs_prop_get(zfs_handle_t *zhp, zfs_prop_t prop, char *propbuf, size_t proplen,
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

8
sys/cddl/contrib/opensolaris/common/zfs/zfs_prop.c
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@ -427,6 +427,10 @@ zfs_prop_init(void)
zprop_register_number(ZFS_PROP_SNAPSHOT_COUNT, "snapshot_count",
UINT64_MAX, PROP_DEFAULT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME,
"<count>", "SSCOUNT");
zprop_register_number(ZFS_PROP_GUID, "guid", 0, PROP_READONLY,
ZFS_TYPE_DATASET | ZFS_TYPE_BOOKMARK, "<uint64>", "GUID");
zprop_register_number(ZFS_PROP_CREATETXG, "createtxg", 0, PROP_READONLY,
ZFS_TYPE_DATASET | ZFS_TYPE_BOOKMARK, "<uint64>", "CREATETXG");
/* inherit number properties */
zprop_register_number(ZFS_PROP_RECORDSIZE, "recordsize",
@ -434,8 +438,6 @@ zfs_prop_init(void)
ZFS_TYPE_FILESYSTEM, "512 to 1M, power of 2", "RECSIZE");
/* hidden properties */
zprop_register_hidden(ZFS_PROP_CREATETXG, "createtxg", PROP_TYPE_NUMBER,
PROP_READONLY, ZFS_TYPE_DATASET | ZFS_TYPE_BOOKMARK, "CREATETXG");
zprop_register_hidden(ZFS_PROP_REMAPTXG, "remaptxg", PROP_TYPE_NUMBER,
PROP_READONLY, ZFS_TYPE_DATASET, "REMAPTXG");
zprop_register_hidden(ZFS_PROP_NUMCLONES, "numclones", PROP_TYPE_NUMBER,
@ -447,8 +449,6 @@ zfs_prop_init(void)
zprop_register_hidden(ZFS_PROP_STMF_SHAREINFO, "stmf_sbd_lu",
PROP_TYPE_STRING, PROP_INHERIT, ZFS_TYPE_VOLUME,
"STMF_SBD_LU");
zprop_register_hidden(ZFS_PROP_GUID, "guid", PROP_TYPE_NUMBER,
PROP_READONLY, ZFS_TYPE_DATASET | ZFS_TYPE_BOOKMARK, "GUID");
zprop_register_hidden(ZFS_PROP_USERACCOUNTING, "useraccounting",
PROP_TYPE_NUMBER, PROP_READONLY, ZFS_TYPE_DATASET,
"USERACCOUNTING");

2
sys/cddl/contrib/opensolaris/uts/common/sys/fs/zfs.h
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@ -118,7 +118,7 @@ typedef enum {
ZFS_PROP_SNAPDIR,
ZFS_PROP_ACLMODE,
ZFS_PROP_ACLINHERIT,
ZFS_PROP_CREATETXG, /* not exposed to the user */
ZFS_PROP_CREATETXG,
ZFS_PROP_NAME, /* not exposed to the user */
ZFS_PROP_CANMOUNT,
ZFS_PROP_ISCSIOPTIONS, /* not exposed to the user */