From 24a64651b4163d47b1187821152d762e9a263d5a Mon Sep 17 00:00:00 2001 From: Matthew Ahrens Date: Fri, 22 Feb 2013 01:23:09 -0800 Subject: [PATCH] Illumos #3588 3588 provide zfs properties for logical (uncompressed) space used and referenced Reviewed by: Adam Leventhal Reviewed by: George Wilson Reviewed by: Dan McDonald Reviewed by: Richard Elling Approved by: Richard Lowe References: https://www.illumos.org/issues/3588 illumos/illumos-gate@77372cb0f35e8d3615ca2e16044f033397e88e21 Ported-by: Richard Yao Signed-off-by: Brian Behlendorf --- include/sys/fs/zfs.h | 2 ++ man/man8/zfs.8 | 34 ++++++++++++++++++++++++++++++++++ module/zcommon/zfs_prop.c | 6 +++++- module/zfs/dsl_dataset.c | 2 ++ module/zfs/dsl_dir.c | 2 ++ 5 files changed, 45 insertions(+), 1 deletion(-) diff --git a/include/sys/fs/zfs.h b/include/sys/fs/zfs.h index 92a843b8c..89ac90ba7 100644 --- a/include/sys/fs/zfs.h +++ b/include/sys/fs/zfs.h @@ -138,6 +138,8 @@ typedef enum { ZFS_PROP_REFRATIO, ZFS_PROP_WRITTEN, ZFS_PROP_CLONES, + ZFS_PROP_LOGICALUSED, + ZFS_PROP_LOGICALREFERENCED, ZFS_PROP_SNAPDEV, ZFS_PROP_ACLTYPE, ZFS_NUM_PROPS diff --git a/man/man8/zfs.8 b/man/man8/zfs.8 index 65d98ce76..60a11a57e 100644 --- a/man/man8/zfs.8 +++ b/man/man8/zfs.8 @@ -431,6 +431,40 @@ This property is \fBon\fR if the snapshot has been marked for deferred destructi .ne 2 .mk .na +\fB\fBlogicalreferenced\fR\fR +.ad +.sp .6 +.RS 4n +The amount of space that is "logically" accessible by this dataset. See +the \fBreferenced\fR property. The logical space ignores the effect of +the \fBcompression\fR and \fBcopies\fR properties, giving a quantity +closer to the amount of data that applications see. However, it does +include space consumed by metadata. +.sp +This property can also be referred to by its shortened column name, +\fBlrefer\fR. +.RE + +.sp +.ne 2 +.na +\fB\fBlogicalused\fR\fR +.ad +.sp .6 +.RS 4n +The amount of space that is "logically" consumed by this dataset and all +its descendents. See the \fBused\fR property. The logical space +ignores the effect of the \fBcompression\fR and \fBcopies\fR properties, +giving a quantity closer to the amount of data that applications see. +However, it does include space consumed by metadata. +.sp +This property can also be referred to by its shortened column name, +\fBlused\fR. +.RE + +.sp +.ne 2 +.na \fB\fBmounted\fR\fR .ad .sp .6 diff --git a/module/zcommon/zfs_prop.c b/module/zcommon/zfs_prop.c index 7e3563285..93ccfef6b 100644 --- a/module/zcommon/zfs_prop.c +++ b/module/zcommon/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. */ @@ -365,6 +365,10 @@ zfs_prop_init(void) ZFS_TYPE_SNAPSHOT, "", "USERREFS"); zprop_register_number(ZFS_PROP_WRITTEN, "written", 0, PROP_READONLY, ZFS_TYPE_DATASET, "", "WRITTEN"); + zprop_register_number(ZFS_PROP_LOGICALUSED, "logicalused", 0, + PROP_READONLY, ZFS_TYPE_DATASET, "", "LUSED"); + zprop_register_number(ZFS_PROP_LOGICALREFERENCED, "logicalreferenced", + 0, PROP_READONLY, ZFS_TYPE_DATASET, "", "LREFER"); /* default number properties */ zprop_register_number(ZFS_PROP_QUOTA, "quota", 0, PROP_DEFAULT, diff --git a/module/zfs/dsl_dataset.c b/module/zfs/dsl_dataset.c index 33bcd2ab3..4d767cd86 100644 --- a/module/zfs/dsl_dataset.c +++ b/module/zfs/dsl_dataset.c @@ -1387,6 +1387,8 @@ dsl_dataset_stats(dsl_dataset_t *ds, nvlist_t *nv) 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 (dsl_dataset_is_snapshot(ds)) { dsl_prop_nvlist_add_uint64(nv, ZFS_PROP_COMPRESSRATIO, ratio); diff --git a/module/zfs/dsl_dir.c b/module/zfs/dsl_dir.c index ccae3f270..69a28ef25 100644 --- a/module/zfs/dsl_dir.c +++ b/module/zfs/dsl_dir.c @@ -440,6 +440,8 @@ 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]);