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Matt Ahrens f5fc4acaa7 Illumos #1092: zfs refratio property 
Add a "REFRATIO" property, which is the compression ratio based on
data referenced. For snapshots, this is the same as COMPRESSRATIO,
but for filesystems/volumes, the COMPRESSRATIO is based on the
data "USED" (ie, includes blocks in children, but not blocks
shared with the origin).

This is needed to figure out how much space a filesystem would
use if it were not compressed (ignoring snapshots).

Reviewed by: George Wilson <George.Wilson@delphix.com>
Reviewed by: Adam Leventhal <Adam.Leventhal@delphix.com>
Reviewed by: Dan McDonald <danmcd@nexenta.com>
Reviewed by: Richard Elling <richard.elling@richardelling.com>
Reviewed by: Mark Musante <Mark.Musante@oracle.com>
Reviewed by: Garrett D'Amore <garrett@nexenta.com>
Approved by: Garrett D'Amore <garrett@nexenta.com>

References to Illumos issue and patch:
- https://www.illumos.org/issues/1092
- https://github.com/illumos/illumos-gate/commit/187d6ac08a

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Issue #340
 		2011-08-01 12:09:11 -07:00
..
fm Provide a rc.d script for archlinux 2011-07-11 14:12:23 -07:00
fs Illumos #1092: zfs refratio property 2011-08-01 12:09:11 -07:00
Makefile.am Add xvattr support 2011-03-02 11:43:50 -08:00
Makefile.in Provide a rc.d script for archlinux 2011-07-11 14:12:23 -07:00
arc.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
avl.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
avl_impl.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
bplist.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
bpobj.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
dbuf.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
ddt.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
dmu.h Linux 2.6.x compat, blkdev_compat.h 2011-02-23 12:29:38 -08:00
dmu_impl.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
dmu_objset.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
dmu_traverse.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
dmu_tx.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
dmu_zfetch.h Add missing ZFS tunables 2011-05-04 10:02:37 -07:00
dnode.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
dsl_dataset.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
dsl_deadlist.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
dsl_deleg.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
dsl_dir.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
dsl_pool.h Prototype/structure update for Linux 2011-02-10 09:27:21 -08:00
dsl_prop.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
dsl_scan.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
dsl_synctask.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
efi_partition.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
metaslab.h Illumos #1051: zfs should handle imbalanced luns 2011-08-01 12:09:11 -07:00
metaslab_impl.h Illumos #1051: zfs should handle imbalanced luns 2011-08-01 12:09:11 -07:00
nvpair.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
nvpair_impl.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
refcount.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
rrwlock.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
sa.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
sa_impl.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
spa.h Illumos #1051: zfs should handle imbalanced luns 2011-08-01 12:09:11 -07:00
spa_boot.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
spa_impl.h Illumos #1051: zfs should handle imbalanced luns 2011-08-01 12:09:11 -07:00
space_map.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
txg.h Add API to wait for pending commit callbacks 2011-02-16 11:20:06 -08:00
txg_impl.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
u8_textprep.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
u8_textprep_data.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
uberblock.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
uberblock_impl.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
uio_impl.h Add basic uio support 2011-02-10 09:21:43 -08:00
unique.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
uuid.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
vdev.h Add missing ZFS tunables 2011-05-04 10:02:37 -07:00
vdev_disk.h Linux 2.6.x compat, blkdev_compat.h 2011-02-23 12:29:38 -08:00
vdev_file.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
vdev_impl.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
xvattr.h Add xvattr support 2011-03-02 11:43:50 -08:00
zap.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
zap_impl.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
zap_leaf.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
zfs_acl.h Add xvattr support 2011-03-02 11:43:50 -08:00
zfs_context.h Disable direct reclaim for z_wr_* threads 2011-05-06 15:26:26 -07:00
zfs_debug.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
zfs_dir.h Prototype/structure update for Linux 2011-02-10 09:27:21 -08:00
zfs_fuid.h Prototype/structure update for Linux 2011-02-10 09:27:21 -08:00
zfs_ioctl.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
zfs_onexit.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
zfs_rlock.h Range lock performance improvements 2011-03-08 12:44:06 -08:00
zfs_sa.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
zfs_stat.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
zfs_vfsops.h Linux compat 2.6.39: mount_nodev() 2011-07-01 13:36:39 -07:00
zfs_vnops.h Improve fstat(2) performance 2011-07-11 09:11:22 -07:00
zfs_znode.h Linux compat 2.6.39: mount_nodev() 2011-07-01 13:36:39 -07:00
zil.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
zil_impl.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
zio.h Initial zio delay timing 2010-10-12 14:55:02 -07:00
zio_checksum.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
zio_compress.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
zio_impl.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
zpl.h Linux compat 2.6.39: mount_nodev() 2011-07-01 13:36:39 -07:00
zrlock.h Support custom build directories and move includes 2010-09-08 12:38:56 -07:00
zvol.h Linux 2.6.x compat, blkdev_compat.h 2011-02-23 12:29:38 -08:00