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dae3e9ea21
mirror_zfs/module/zfs
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Don Brady dae3e9ea21 OpenZFS 9465 - ARC check for 'anon_size > arc_c/2' can stall the system 
In the case of one pool being built on another pool, we want
to make sure we don't end up throttling the lower (backing)
pool when the upper pool is the majority contributor to dirty
data. To insure we make forward progress during throttling, we
also check the current pool's net dirty data and only throttle
if it exceeds zfs_arc_pool_dirty_percent of the anonymous dirty
data in the cache.

Authored by: Don Brady <don.brady@delphix.com>
Reviewed by: Sebastien Roy <sebastien.roy@delphix.com>
Reviewed by: Matt Ahrens <matt@delphix.com>
Reviewed by: Prashanth Sreenivasa <pks@delphix.com>
Approved by: Robert Mustacchi <rm@joyent.com>
Ported-by: Brian Behlendorf <behlendorf1@llnl.gov>

Porting Notes:
* The new global variables zfs_arc_dirty_limit_percent,
  zfs_arc_anon_limit_percent, and zfs_arc_pool_dirty_percent
  were intentially not added as tunable module parameters.

OpenZFS-issue: https://illumos.org/issues/9465
OpenZFS-commit: https://github.com/openzfs/openzfs/commit/d6a4c3ef
Closes #7749
2018-07-30 11:30:41 -07:00
..
abd.c Update build system and packaging 2018-05-29 16:00:33 -07:00
aggsum.c Fix preemptible warning in aggsum_add() 2018-06-07 15:55:11 -07:00
arc.c OpenZFS 9465 - ARC check for 'anon_size > arc_c/2' can stall the system 2018-07-30 11:30:41 -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
cityhash.c OpenZFS 8484 - Implement aggregate sum and use for arc counters 2018-06-06 09:35:59 -07:00
dbuf_stats.c Update build system and packaging 2018-05-29 16:00:33 -07:00
dbuf.c OpenZFS 9337 - zfs get all is slow due to uncached metadata 2018-07-12 10:49:27 -07:00
ddt_zap.c Update build system and packaging 2018-05-29 16:00:33 -07:00
ddt.c Update build system and packaging 2018-05-29 16:00:33 -07:00
dmu_diff.c Fix issues found with zfs diff 2018-05-01 11:24:20 -07:00
dmu_object.c OpenZFS 9438 - Holes can lose birth time info if a block has a mix of birth times 2018-07-30 09:27:49 -07:00
dmu_objset.c OpenZFS 9337 - zfs get all is slow due to uncached metadata 2018-07-12 10:49:27 -07:00
dmu_send.c Fix 'zfs recv' of non large_dnode send streams 2018-06-28 14:55:11 -07:00
dmu_traverse.c OpenZFS 9166 - zfs storage pool checkpoint 2018-06-26 10:07:42 -07:00
dmu_tx.c Introduce kstat dmu_tx_dirty_frees_delay 2018-07-25 09:52:27 -07:00
dmu_zfetch.c Update build system and packaging 2018-05-29 16:00:33 -07:00
dmu.c Introduce kstat dmu_tx_dirty_frees_delay 2018-07-25 09:52:27 -07:00
dnode_sync.c OpenZFS 9439 - ZFS double-free due to failure to dirty indirect block 2018-07-30 09:28:09 -07:00
dnode.c OpenZFS 9439 - ZFS double-free due to failure to dirty indirect block 2018-07-30 09:28:09 -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 9166 - zfs storage pool checkpoint 2018-06-26 10:07:42 -07:00
dsl_deadlist.c OpenZFS 7614, 9064 - zfs device evacuation/removal 2018-04-14 12:16:17 -07:00
dsl_deleg.c Update build system and packaging 2018-05-29 16:00:33 -07:00
dsl_destroy.c OpenZFS 9166 - zfs storage pool checkpoint 2018-06-26 10:07:42 -07:00
dsl_dir.c OpenZFS 9465 - ARC check for 'anon_size > arc_c/2' can stall the system 2018-07-30 11:30:41 -07:00
dsl_pool.c OpenZFS 9166 - zfs storage pool checkpoint 2018-06-26 10:07:42 -07:00
dsl_prop.c Update build system and packaging 2018-05-29 16:00:33 -07:00
dsl_scan.c dsl_scan_scrub_cb: don't double-account non-embedded blocks 2018-07-24 09:33:56 -07:00
dsl_synctask.c OpenZFS 9166 - zfs storage pool checkpoint 2018-06-26 10:07:42 -07:00
dsl_userhold.c OpenZFS 9166 - zfs storage pool checkpoint 2018-06-26 10:07:42 -07:00
edonr_zfs.c DLPX-44812 integrate EP-220 large memory scalability 2016-11-29 14:34:27 -08:00
fm.c OpenZFS 9580 - Add a hash-table on top of nvlist to speed-up operations 2018-07-30 11:30:03 -07:00
gzip.c Update build system and packaging 2018-05-29 16:00:33 -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 9166 - zfs storage pool checkpoint 2018-06-26 10:07:42 -07:00
metaslab.c OpenZFS 9238 - ZFS Spacemap Encoding V2 2018-07-05 12:02:34 -07:00
mmp.c Update build system and packaging 2018-05-29 16:00:33 -07:00
multilist.c Update build system and packaging 2018-05-29 16:00:33 -07:00
pathname.c Update build system and packaging 2018-05-29 16:00:33 -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 9166 - zfs storage pool checkpoint 2018-06-26 10:07:42 -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 Fix kernel unaligned access on sparc64 2018-07-11 13:10:40 -07:00
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_checkpoint.c OpenZFS 9238 - ZFS Spacemap Encoding V2 2018-07-05 12:02:34 -07:00
spa_config.c OpenZFS 9591 - ms_shift can be incorrectly changed 2018-06-21 09:35:26 -07:00
spa_errlog.c Update build system and packaging 2018-05-29 16:00:33 -07:00
spa_history.c Update build system and packaging 2018-05-29 16:00:33 -07:00
spa_misc.c OpenZFS 9465 - ARC check for 'anon_size > arc_c/2' can stall the system 2018-07-30 11:30:41 -07:00
spa_stats.c Add pool state /proc entry, "SUSPENDED" pools 2018-06-06 09:33:54 -07:00
spa.c OpenZFS 9166 - zfs storage pool checkpoint 2018-06-26 10:07:42 -07:00
space_map.c OpenZFS 9442 - decrease indirect block size of spacemaps 2018-07-25 14:11:35 -07:00
space_reftree.c OpenZFS 7614, 9064 - zfs device evacuation/removal 2018-04-14 12:16:17 -07:00
THIRDPARTYLICENSE.cityhash OpenZFS 8484 - Implement aggregate sum and use for arc counters 2018-06-06 09:35:59 -07:00
THIRDPARTYLICENSE.cityhash.descrip OpenZFS 8484 - Implement aggregate sum and use for arc counters 2018-06-06 09:35:59 -07:00
trace.c OpenZFS 7614, 9064 - zfs device evacuation/removal 2018-04-14 12:16:17 -07:00
txg.c OpenZFS 9464 - txg_kick() fails to see that we are quiescing 2018-06-04 14:56:06 -07:00
uberblock.c OpenZFS 9166 - zfs storage pool checkpoint 2018-06-26 10:07:42 -07:00
unique.c Performance optimization of AVL tree comparator functions 2016-08-31 14:35:34 -07:00
vdev_cache.c Update build system and packaging 2018-05-29 16:00:33 -07:00
vdev_disk.c Add support for autoexpand property 2018-07-23 15:40:15 -07:00
vdev_file.c OpenZFS 7614, 9064 - zfs device evacuation/removal 2018-04-14 12:16:17 -07:00
vdev_indirect_births.c Update build system and packaging 2018-05-29 16:00:33 -07:00
vdev_indirect_mapping.c OpenZFS 9238 - ZFS Spacemap Encoding V2 2018-07-05 12:02:34 -07:00
vdev_indirect.c OpenZFS 9238 - ZFS Spacemap Encoding V2 2018-07-05 12:02:34 -07:00
vdev_label.c OpenZFS 9166 - zfs storage pool checkpoint 2018-06-26 10:07:42 -07:00
vdev_mirror.c Update build system and packaging 2018-05-29 16:00:33 -07:00
vdev_missing.c OpenZFS 7614, 9064 - zfs device evacuation/removal 2018-04-14 12:16:17 -07:00
vdev_queue.c Fix zio->io_priority failed (7 < 6) assert 2018-05-29 18:13:48 -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 Update build system and packaging 2018-05-29 16:00:33 -07:00
vdev_raidz.c OpenZFS 7614, 9064 - zfs device evacuation/removal 2018-04-14 12:16:17 -07:00
vdev_removal.c OpenZFS 9166 - zfs storage pool checkpoint 2018-06-26 10:07:42 -07:00
vdev_root.c OpenZFS 9075 - Improve ZFS pool import/load process and corrupted pool recovery 2018-05-08 21:35:27 -07:00
vdev.c Add support for autoexpand property 2018-07-23 15:40:15 -07:00
zap_leaf.c OpenZFS 9328 - zap code can take advantage of c99 2018-05-31 10:53:11 -07:00
zap_micro.c OpenZFS 9329 - panic in zap_leaf_lookup() due to concurrent zapification 2018-05-31 10:53:49 -07:00
zap.c OpenZFS 9328 - zap code can take advantage of c99 2018-05-31 10:53:11 -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 9337 - zfs get all is slow due to uncached metadata 2018-07-12 10:49:27 -07:00
zcp_synctask.c OpenZFS 9166 - zfs storage pool checkpoint 2018-06-26 10:07:42 -07:00
zcp.c OpenZFS 9424 - ztest failure: "unprotected error in call to Lua API (Invalid value type 'function' for key 'error')" 2018-07-10 21:29:23 -07:00
zfeature.c Undo c89 workarounds to match with upstream 2017-11-04 13:25:13 -07:00
zfs_acl.c Update build system and packaging 2018-05-29 16:00:33 -07:00
zfs_byteswap.c Update build system and packaging 2018-05-29 16:00:33 -07:00
zfs_ctldir.c Linux 4.18 compat: inode timespec -> timespec64 2018-06-19 21:51:18 -07:00
zfs_debug.c enable zfs_dbgmsg() by default, without dprintf() 2018-03-21 15:37:32 -07:00
zfs_dir.c Update build system and packaging 2018-05-29 16:00:33 -07:00
zfs_fm.c Update build system and packaging 2018-05-29 16:00:33 -07:00
zfs_fuid.c Update build system and packaging 2018-05-29 16:00:33 -07:00
zfs_ioctl.c OpenZFS 8906 - uts: illumos rootfs should support salted cksum 2018-07-27 08:35:28 -07:00
zfs_log.c Update build system and packaging 2018-05-29 16:00:33 -07:00
zfs_onexit.c Update build system and packaging 2018-05-29 16:00:33 -07:00
zfs_ratelimit.c Change checksum & IO delay ratelimit values 2018-03-04 17:34:51 -08:00
zfs_replay.c Update build system and packaging 2018-05-29 16:00:33 -07:00
zfs_rlock.c Update build system and packaging 2018-05-29 16:00:33 -07:00
zfs_sa.c Project Quota on ZFS 2018-02-13 14:54:54 -08:00
zfs_vfsops.c OpenZFS 9337 - zfs get all is slow due to uncached metadata 2018-07-12 10:49:27 -07:00
zfs_vnops.c Linux 4.18 compat: inode timespec -> timespec64 2018-06-19 21:51:18 -07:00
zfs_znode.c Linux 4.18 compat: inode timespec -> timespec64 2018-06-19 21:51:18 -07:00
zil.c OpenZFS 9456 - ztest failure in zil_commit_waiter_timeout 2018-07-10 10:25:14 -07:00
zio_checksum.c Undo c89 workarounds to match with upstream 2017-11-04 13:25:13 -07:00
zio_compress.c Update build system and packaging 2018-05-29 16:00:33 -07:00
zio_crypt.c Update build system and packaging 2018-05-29 16:00:33 -07:00
zio_inject.c Update build system and packaging 2018-05-29 16:00:33 -07:00
zio.c OpenZFS 9166 - zfs storage pool checkpoint 2018-06-26 10:07:42 -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 Update build system and packaging 2018-05-29 16:00:33 -07:00
zpl_inode.c Linux 4.18 compat: inode timespec -> timespec64 2018-06-19 21:51:18 -07:00
zpl_super.c Fix zpl_mount() deadlock 2018-07-11 15:49:10 -07:00
zpl_xattr.c Update build system and packaging 2018-05-29 16:00:33 -07:00
zrlock.c Update build system and packaging 2018-05-29 16:00:33 -07:00
zthr.c OpenZFS 9166 - zfs storage pool checkpoint 2018-06-26 10:07:42 -07:00
zvol.c Linux compat 4.18: check_disk_size_change() 2018-06-15 15:05:21 -07:00