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Paul Dagnelie ca0845d59e OpenZFS 9256 - zfs send space estimation off by > 10% on some datasets 
Authored by: Paul Dagnelie <pcd@delphix.com>
Reviewed by: Matt Ahrens <matt@delphix.com>
Reviewed by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Approved by: Richard Lowe <richlowe@richlowe.net>
Ported-by: Giuseppe Di Natale <dinatale2@llnl.gov>

Porting Notes:
* Added tuning to man page.
* Test case changes dropped, default behavior unchanged.

OpenZFS-issue: https://www.illumos.org/issues/9256
OpenZFS-commit: https://github.com/openzfs/openzfs/commit/32356b3c56
Closes #7470
2018-05-08 08:59:24 -07:00
..
abd.c
Update for cppcheck v1.80
2017-11-18 14:08:00 -08:00
arc.c
Add support for decryption faults in zinject
2018-05-02 15:36:20 -07:00
blkptr.c
Undo c89 workarounds to match with upstream
2017-11-04 13:25:13 -07:00
bplist.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
bpobj.c
OpenZFS 7614, 9064 - zfs device evacuation/removal
2018-04-14 12:16:17 -07:00
bptree.c
Native Encryption for ZFS on Linux
2017-08-14 10:36:48 -07:00
bqueue.c
Call cv_signal() with mutex held
2017-06-26 14:36:49 -07:00
dbuf_stats.c
Add dbuf hash and dbuf cache kstats
2018-01-29 10:24:52 -08:00
dbuf.c
assertion in arc_release() during encrypted receive
2018-04-17 11:06:54 -07:00
ddt_zap.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
ddt.c
OpenZFS 7614, 9064 - zfs device evacuation/removal
2018-04-14 12:16:17 -07:00
dmu_diff.c
Fix issues found with zfs diff
2018-05-01 11:24:20 -07:00
dmu_object.c
Fix object reclaim when using large dnodes
2018-04-17 11:13:57 -07:00
dmu_objset.c
Adopt pyzfs from ClusterHQ
2018-05-01 10:33:35 -07:00
dmu_send.c
OpenZFS 9256 - zfs send space estimation off by > 10% on some datasets
2018-05-08 08:59:24 -07:00
dmu_traverse.c
Fix hung z_zvol tasks during 'zfs receive'
2018-03-30 12:10:01 -07:00
dmu_tx.c
OpenZFS 7614, 9064 - zfs device evacuation/removal
2018-04-14 12:16:17 -07:00
dmu_zfetch.c
OpenZFS 7614, 9064 - zfs device evacuation/removal
2018-04-14 12:16:17 -07:00
dmu.c
assertion in arc_release() during encrypted receive
2018-04-17 11:06:54 -07:00
dnode_sync.c
Raw sends must be able to decrease nlevels
2018-02-02 11:43:11 -08:00
dnode.c
Fix object reclaim when using large dnodes
2018-04-17 11:13:57 -07:00
dsl_bookmark.c
Undo c89 workarounds to match with upstream
2017-11-04 13:25:13 -07:00
dsl_crypt.c
Add support for decryption faults in zinject
2018-05-02 15:36:20 -07:00
dsl_dataset.c
OpenZFS 7614, 9064 - zfs device evacuation/removal
2018-04-14 12:16:17 -07:00
dsl_deadlist.c
OpenZFS 7614, 9064 - zfs device evacuation/removal
2018-04-14 12:16:17 -07:00
dsl_deleg.c
Performance optimization of AVL tree comparator functions
2016-08-31 14:35:34 -07:00
dsl_destroy.c
OpenZFS 7614, 9064 - zfs device evacuation/removal
2018-04-14 12:16:17 -07:00
dsl_dir.c
OpenZFS 7614, 9064 - zfs device evacuation/removal
2018-04-14 12:16:17 -07:00
dsl_pool.c
OpenZFS 7614, 9064 - zfs device evacuation/removal
2018-04-14 12:16:17 -07:00
dsl_prop.c
Native Encryption for ZFS on Linux
2017-08-14 10:36:48 -07:00
dsl_scan.c
OpenZFS 9443 - panic when scrub a v10 pool
2018-05-04 10:47:10 -07:00
dsl_synctask.c
Illumos 4951 - ZFS administrative commands should use reserved space
2015-05-04 09:41:10 -07:00
dsl_userhold.c
Undo c89 workarounds to match with upstream
2017-11-04 13:25:13 -07:00
edonr_zfs.c
DLPX-44812 integrate EP-220 large memory scalability
2016-11-29 14:34:27 -08:00
fm.c
Linux 4.14 compat: CONFIG_GCC_PLUGIN_RANDSTRUCT
2017-11-28 17:33:48 -06:00
gzip.c
Resolve QAT issues with incompressible data
2018-03-29 17:40:34 -07:00
hkdf.c
Encryption patch follow-up
2017-10-11 16:54:48 -04:00
lz4.c
Fix LZ4_uncompress_unknownOutputSize caused panic
2017-05-19 13:45:46 -07:00
lzjb.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
Makefile.in
OpenZFS 9079 - race condition in starting and ending condensing thread for indirect vdevs
2018-04-14 12:23:53 -07:00
metaslab.c
Silence compile-time warning on unused variable
2018-05-01 11:15:54 -07:00
mmp.c
OpenZFS 7614, 9064 - zfs device evacuation/removal
2018-04-14 12:16:17 -07:00
multilist.c
Undo c89 workarounds to match with upstream
2017-11-04 13:25:13 -07:00
pathname.c
Add pn_alloc()/pn_free() functions
2016-04-21 09:49:25 -07:00
policy.c
Take user namespaces into account in policy checks
2018-03-07 15:40:42 -08:00
qat_compress.c
Fix inst_num overflow in qat_crypt.c
2018-05-01 20:44:24 -07:00
qat_crypt.c
Fix inst_num overflow in qat_crypt.c
2018-05-01 20:44:24 -07:00
qat.c
SHA256 QAT acceleration
2018-03-15 10:53:58 -07:00
qat.h
Resolve QAT issues with incompressible data
2018-03-29 17:40:34 -07:00
range_tree.c
OpenZFS 7614, 9064 - zfs device evacuation/removal
2018-04-14 12:16:17 -07:00
refcount.c
Linux 4.11 compat: avoid refcount_t name conflict
2017-02-28 16:10:18 -08:00
rrwlock.c
Fix spelling
2017-01-03 11:31:18 -06:00
sa.c
Project Quota on ZFS
2018-02-13 14:54:54 -08:00
sha256.c
SHA256 QAT acceleration
2018-03-15 10:53:58 -07:00
skein_zfs.c
DLPX-44812 integrate EP-220 large memory scalability
2016-11-29 14:34:27 -08:00
spa_boot.c
Add linux kernel module support
2010-08-31 13:41:58 -07:00
spa_config.c
OpenZFS 7614, 9064 - zfs device evacuation/removal
2018-04-14 12:16:17 -07:00
spa_errlog.c
Native Encryption for ZFS on Linux
2017-08-14 10:36:48 -07:00
spa_history.c
Emit history events for 'zpool create'
2017-10-23 09:45:59 -07:00
spa_misc.c
OpenZFS 9236 - nuke spa_dbgmsg
2018-04-30 10:19:48 -07:00
spa_stats.c
Record skipped MMP writes in multihost_history
2018-03-06 15:15:15 -08:00
spa.c
ZTS: Re-enable MMP tests
2018-05-07 21:08:33 -07:00
space_map.c
OpenZFS 7614, 9064 - zfs device evacuation/removal
2018-04-14 12:16:17 -07:00
space_reftree.c
OpenZFS 7614, 9064 - zfs device evacuation/removal
2018-04-14 12:16:17 -07:00
trace.c
OpenZFS 7614, 9064 - zfs device evacuation/removal
2018-04-14 12:16:17 -07:00
txg.c
OpenZFS 7614, 9064 - zfs device evacuation/removal
2018-04-14 12:16:17 -07:00
uberblock.c
Multi-modifier protection (MMP)
2017-07-13 13:54:00 -04:00
unique.c
Performance optimization of AVL tree comparator functions
2016-08-31 14:35:34 -07:00
vdev_cache.c
Undo c89 workarounds to match with upstream
2017-11-04 13:25:13 -07:00
vdev_disk.c
OpenZFS 7614, 9064 - zfs device evacuation/removal
2018-04-14 12:16:17 -07:00
vdev_file.c
OpenZFS 7614, 9064 - zfs device evacuation/removal
2018-04-14 12:16:17 -07:00
vdev_indirect_births.c
OpenZFS 7614, 9064 - zfs device evacuation/removal
2018-04-14 12:16:17 -07:00
vdev_indirect_mapping.c
Revert "OpenZFS 9036 - zfs: duplicate 'const' declaration specifier"
2018-04-16 12:44:40 -07:00
vdev_indirect.c
Fix CONFIG_GCC_PLUGIN_RANDSTRUCT build
2018-04-20 09:53:25 -07:00
vdev_label.c
OpenZFS 9192 - explicitly pass good_writes to vdev_uberblock/label_sync
2018-04-17 10:45:47 -07:00
vdev_mirror.c
OpenZFS 9290 - device removal reduces redundancy of mirrors
2018-04-14 12:21:39 -07:00
vdev_missing.c
OpenZFS 7614, 9064 - zfs device evacuation/removal
2018-04-14 12:16:17 -07:00
vdev_queue.c
OpenZFS 7614, 9064 - zfs device evacuation/removal
2018-04-14 12:16:17 -07:00
vdev_raidz_math_aarch64_neon_common.h
ABD raidz NEON support
2016-11-29 14:34:33 -08:00
vdev_raidz_math_aarch64_neon.c
codebase style improvements for OpenZFS 6459 port
2017-01-22 13:25:40 -08:00
vdev_raidz_math_aarch64_neonx2.c
ABD raidz NEON support
2016-11-29 14:34:33 -08:00
vdev_raidz_math_avx2.c
ABD raidz avx512f support
2016-11-29 14:34:33 -08:00
vdev_raidz_math_avx512bw.c
ABD: Adapt avx512bw raidz assembly
2016-12-15 17:31:33 -08:00
vdev_raidz_math_avx512f.c
Use cstyle -cpP in make cstyle check
2016-12-12 10:46:26 -08:00
vdev_raidz_math_impl.h
codebase style improvements for OpenZFS 6459 port
2017-01-22 13:25:40 -08:00
vdev_raidz_math_scalar.c
ABD Vectorized raidz
2016-11-29 14:34:33 -08:00
vdev_raidz_math_sse2.c
ABD raidz avx512f support
2016-11-29 14:34:33 -08:00
vdev_raidz_math_ssse3.c
codebase style improvements for OpenZFS 6459 port
2017-01-22 13:25:40 -08:00
vdev_raidz_math.c
OpenZFS 7431 - ZFS Channel Programs
2018-02-08 15:28:18 -08:00
vdev_raidz.c
OpenZFS 7614, 9064 - zfs device evacuation/removal
2018-04-14 12:16:17 -07:00
vdev_removal.c
OpenZFS 9434 - Speculative prefetch is blocked by device removal code
2018-04-30 13:05:55 -07:00
vdev_root.c
OpenZFS 7614, 9064 - zfs device evacuation/removal
2018-04-14 12:16:17 -07:00
vdev.c
OpenZFS 9084 - spa_*_ashift must ignore spare devices
2018-04-14 12:40:52 -07:00
zap_leaf.c
Fix ENOSPC in "Handle zap_add() failures in ..."
2018-04-18 14:19:50 -07:00
zap_micro.c
Fix ENOSPC in "Handle zap_add() failures in ..."
2018-04-18 14:19:50 -07:00
zap.c
Fix ENOSPC in "Handle zap_add() failures in ..."
2018-04-18 14:19:50 -07:00
zcp_get.c
Fix coverity defects: zfs channel programs
2018-02-20 11:19:42 -08:00
zcp_global.c
OpenZFS 8600 - ZFS channel programs - snapshot
2018-02-08 15:29:24 -08:00
zcp_iter.c
OpenZFS 7431 - ZFS Channel Programs
2018-02-08 15:28:18 -08:00
zcp_synctask.c
Fix coverity defects: zfs channel programs
2018-02-20 11:19:42 -08:00
zcp.c
OpenZFS 8677 - Open-Context Channel Programs
2018-02-08 16:05:57 -08:00
zfeature.c
Undo c89 workarounds to match with upstream
2017-11-04 13:25:13 -07:00
zfs_acl.c
OpenZFS 9213 - zfs: sytem typo
2018-04-15 10:59:13 -07:00
zfs_byteswap.c
Add linux kernel module support
2010-08-31 13:41:58 -07:00
zfs_ctldir.c
Use SET_ERROR for constant non-zero return codes
2017-08-02 21:16:12 -07:00
zfs_debug.c
enable zfs_dbgmsg() by default, without dprintf()
2018-03-21 15:37:32 -07:00
zfs_dir.c
Fix ENOSPC in "Handle zap_add() failures in ..."
2018-04-18 14:19:50 -07:00
zfs_fm.c
Decryption error handling improvements
2018-03-31 11:12:51 -07:00
zfs_fuid.c
Rename zfs_sb_t -> zfsvfs_t
2017-03-10 09:51:33 -08:00
zfs_ioctl.c
Fix 'zpool create -t <tempname>'
2018-05-07 21:11:58 -07:00
zfs_log.c
Project Quota on ZFS
2018-02-13 14:54:54 -08:00
zfs_onexit.c
zfsdev_getminor() should check for invalid file handles
2015-06-22 17:02:13 -07:00
zfs_ratelimit.c
Change checksum & IO delay ratelimit values
2018-03-04 17:34:51 -08:00
zfs_replay.c
Project Quota on ZFS
2018-02-13 14:54:54 -08:00
zfs_rlock.c
Fix spelling
2017-01-03 11:31:18 -06:00
zfs_sa.c
Project Quota on ZFS
2018-02-13 14:54:54 -08:00
zfs_vfsops.c
ZIL claiming should not start user accounting
2018-02-20 16:27:31 -08:00
zfs_vnops.c
RHEL 7.5 compat: FMODE_KABI_ITERATE
2018-05-02 15:01:24 -07:00
zfs_znode.c
OpenZFS 9421, 9422 - zdb show possibly leaked objects
2018-05-04 10:50:24 -07:00
zil.c
OpenZFS 7614, 9064 - zfs device evacuation/removal
2018-04-14 12:16:17 -07:00
zio_checksum.c
Undo c89 workarounds to match with upstream
2017-11-04 13:25:13 -07:00
zio_compress.c
Undo c89 workarounds to match with upstream
2017-11-04 13:25:13 -07:00
zio_crypt.c
Add support for decryption faults in zinject
2018-05-02 15:36:20 -07:00
zio_inject.c
Add support for decryption faults in zinject
2018-05-02 15:36:20 -07:00
zio.c
Add support for decryption faults in zinject
2018-05-02 15:36:20 -07:00
zle.c
Fix zle_decompress out of bound access
2018-02-09 10:08:05 -08:00
zpl_ctldir.c
RHEL 7.5 compat: FMODE_KABI_ITERATE
2018-05-02 15:01:24 -07:00
zpl_export.c
Use cstyle -cpP in make cstyle check
2016-12-12 10:46:26 -08:00
zpl_file.c
RHEL 7.5 compat: FMODE_KABI_ITERATE
2018-05-02 15:01:24 -07:00
zpl_inode.c
Linux 4.12 compat: CURRENT_TIME removed
2017-05-10 09:30:48 -07:00
zpl_super.c
Allow mounting datasets more than once
2018-04-13 10:44:05 -07:00
zpl_xattr.c
Update for cppcheck v1.80
2017-11-18 14:08:00 -08:00
zrlock.c
Fix race in trace point in zrl_add_impl
2018-03-12 11:27:02 -07:00
zthr.c
Avoid Linux hung task message in ZTHR
2018-04-15 15:12:28 -07:00
zvol.c
Linux compat 4.16: blk_queue_flag_{set,clear}
2018-04-10 10:32:14 -07:00