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Matthew Macy 033c788bd5 Restore ARC MFU/MRU pressure 
The arc_adapt() function tunes LRU/MLU balance according to 4 types of
cache hits (which is passed as state agrument): ghost LRU, LRU, MRU,
ghost MRU. If this function is called with wrong cache hit (state),
adaptation will be sub-optimal and performance will suffer.

Some time ago upstream received this commit:

6950 ARC should cache compressed data) in arc_read() do next
sequence (access to ghost buffer)

Before this commit, hit to any ghost list was passed arc_adapt() before
call to arc_access() which revive element in cache and change state from
ghost to real hit.

After this commit, the order of calls was reverted and arc_adapt() is
now called only with «real» hits even if hit was in one of two ghost
lists, which renders ghost lists useless and breaks the ARC algorithm.

FreeBSD fixed this problem locally in Change D19094 / Commit r348772.

This change is an adaptation of the above commit to the current arc
code.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Matt Macy <mmacy@FreeBSD.org>
Closes #10548
Closes #10618
 		2020-12-14 12:05:24 -08:00
..
Makefile.in Add TRIM support 2019-03-29 09:13:20 -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
abd.c single-chunk scatter ABDs can be treated as linear 2020-01-22 13:48:56 -08:00
aggsum.c OpenZFS 9688 - aggsum_fini leaks memory 2018-10-19 12:08:03 -07:00
arc.c Restore ARC MFU/MRU pressure 2020-12-14 12:05:24 -08:00
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 Stack overflow in recursive bpobj_iterate_impl 2019-03-06 09:50:55 -08:00
bptree.c Native Encryption for ZFS on Linux 2017-08-14 10:36:48 -07:00
bqueue.c Wait in 'S' state when send/recv pipe is blocking 2019-06-07 12:45:40 -07:00
cityhash.c OpenZFS 8484 - Implement aggregate sum and use for arc counters 2018-06-06 09:35:59 -07:00
dataset_kstats.c Fix panic on DilOS with kstat per dataset statistics 2020-01-22 13:49:00 -08:00
dbuf.c Fix typos in module/zfs/ 2020-01-22 13:48:59 -08:00
dbuf_stats.c Prefix all refcount functions with zfs_ 2018-10-01 10:42:05 -07:00
ddt.c Replace sprintf()->snprintf() and strcpy()->strlcpy() 2020-09-15 21:16:58 +00:00
ddt_zap.c fat zap should prefetch when iterating 2019-09-25 11:27:47 -07:00
dmu.c Export dmu_offset_next() symbol 2020-09-16 14:17:51 -07:00
dmu_diff.c diff_cb() does not handle large dnodes 2020-01-22 13:49:01 -08:00
dmu_object.c Fix send/recv lost spill block 2019-05-07 15:18:44 -07:00
dmu_objset.c Replace sprintf()->snprintf() and strcpy()->strlcpy() 2020-09-15 21:16:58 +00:00
dmu_recv.c Always refuse receving non-resume stream when resume state exists 2019-09-25 11:27:51 -07:00
dmu_send.c Fix send/recv lost spill block 2019-05-07 15:18:44 -07:00
dmu_traverse.c Fix traverse_impl() kmem leak 2018-08-15 09:53:44 -07:00
dmu_tx.c Improve performance by using dmu_tx_hold_*_by_dnode() 2019-09-25 11:27:50 -07:00
dmu_zfetch.c Fix typos in module/zfs/ 2020-01-22 13:48:59 -08:00
dnode.c cppcheck: (warning) Possible null pointer dereference: dnp 2020-01-22 13:49:06 -08:00
dnode_sync.c Reinstate raw receive check when truncating 2019-06-07 12:45:40 -07:00
dsl_bookmark.c Fix typos in module/zfs/ 2020-01-22 13:48:59 -08:00
dsl_crypt.c Add missing zfs_refcount_destroy() in key_mapping_rele() 2020-05-12 10:53:32 -07:00
dsl_dataset.c Replace sprintf()->snprintf() and strcpy()->strlcpy() 2020-09-15 21:16:58 +00:00
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 Fix typos in module/zfs/ 2020-01-22 13:48:59 -08:00
dsl_dir.c Replace sprintf()->snprintf() and strcpy()->strlcpy() 2020-09-15 21:16:58 +00:00
dsl_pool.c Use boot_ncpus in place of max_ncpus in taskq_create 2020-09-16 13:35:42 -07:00
dsl_prop.c Replace sprintf()->snprintf() and strcpy()->strlcpy() 2020-09-15 21:16:58 +00:00
dsl_scan.c Resilver restarts unnecessarily when it encounters errors 2020-09-22 11:33:35 -07:00
dsl_synctask.c Fix typos in module/zfs/ 2020-01-22 13:48:59 -08:00
dsl_userhold.c Replace sprintf()->snprintf() and strcpy()->strlcpy() 2020-09-15 21:16:58 +00:00
edonr_zfs.c DLPX-44812 integrate EP-220 large memory scalability 2016-11-29 14:34:27 -08:00
fm.c Fix typos in module/zfs/ 2020-01-22 13:48:59 -08:00
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 Reword comment in lz4_compress_zfs 2019-05-02 16:46:04 -07:00
lzjb.c Change KM_PUSHPAGE -> KM_SLEEP 2015-01-16 14:41:26 -08:00
metaslab.c Prevent metaslab_sync panic due to spa_final_dirty_txg 2020-01-22 13:48:58 -08:00
mmp.c Initialize mmp_last_write when the mmp thread starts (#10912) 2020-09-16 00:16:47 +00:00
multilist.c Avoid extra taskq_dispatch() calls by DMU 2019-09-25 11:27:48 -07:00
pathname.c Disable unused pathname::pn_path* (unneeded in Linux) 2019-09-25 11:27:49 -07:00
policy.c Fix typos in module/zfs/ 2020-01-22 13:48:59 -08:00
qat.c Fix zfs-0.8.3 "qat.h" 2020-01-22 13:49:07 -08:00
qat.h Fix typos in module/zfs/ 2020-01-22 13:48:59 -08:00
qat_compress.c Fix zfs-0.8.3 "qat.h" 2020-01-22 13:49:07 -08:00
qat_crypt.c Fix zfs-0.8.3 "qat.h" 2020-01-22 13:49:07 -08:00
range_tree.c Restrict kstats and print real pointers 2019-04-04 18:57:06 -07:00
refcount.c Prevent race in blkptr_verify against device removal 2020-01-22 13:48:57 -08:00
rrwlock.c Prefix all refcount functions with zfs_ 2018-10-01 10:42:05 -07:00
sa.c Fix typos in module/zfs/ 2020-01-22 13:48:59 -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.c Replace sprintf()->snprintf() and strcpy()->strlcpy() 2020-09-15 21:16:58 +00:00
spa_boot.c Add linux kernel module support 2010-08-31 13:41:58 -07:00
spa_checkpoint.c Fix typos in module/zfs/ 2020-01-22 13:48:59 -08:00
spa_config.c Fix /etc/hostid on root pool deadlock 2019-09-25 11:27:51 -07:00
spa_errlog.c Fix typos in module/zfs/ 2020-01-22 13:48:59 -08:00
spa_history.c Fix typos in module/zfs/ 2020-01-22 13:48:59 -08:00
spa_misc.c Prevent race in blkptr_verify against device removal 2020-01-22 13:48:57 -08:00
spa_stats.c Restrict kstats and print real pointers 2019-04-04 18:57:06 -07:00
space_map.c Restrict kstats and print real pointers 2019-04-04 18:57:06 -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 Use boot_ncpus in place of max_ncpus in taskq_create 2020-09-16 13:35:42 -07:00
uberblock.c MMP interval and fail_intervals in uberblock 2019-03-21 12:47:57 -07:00
unique.c Performance optimization of AVL tree comparator functions 2016-08-31 14:35:34 -07:00
vdev.c Resilver restarts unnecessarily when it encounters errors 2020-09-22 11:33:35 -07:00
vdev_cache.c Fix typos in module/zfs/ 2020-01-22 13:48:59 -08:00
vdev_disk.c Linux 5.10 compat: check_disk_change() removed 2020-12-14 12:05:24 -08:00
vdev_file.c Update vdev_ops_t from illumos 2019-09-25 11:27:48 -07:00
vdev_indirect.c Update vdev_ops_t from illumos 2019-09-25 11:27:48 -07:00
vdev_indirect_births.c Fixes: #8934 Large kmem_alloc 2019-09-25 11:27:49 -07:00
vdev_indirect_mapping.c Get rid of space_map_update() for ms_synced_length 2019-02-12 10:38:11 -08:00
vdev_initialize.c Linux 5.6 compat: time_t 2020-05-12 10:53:32 -07:00
vdev_label.c panic in removal_remap test on 4K devices 2019-09-25 11:27:47 -07:00
vdev_mirror.c Avoid some crashes when importing a pool with corrupt metadata 2020-01-22 13:49:06 -08:00
vdev_missing.c Update vdev_ops_t from illumos 2019-09-25 11:27:48 -07:00
vdev_queue.c Fix typos in module/zfs/ 2020-01-22 13:48:59 -08:00
vdev_raidz.c Fix typos in module/zfs/ 2020-01-22 13:48:59 -08:00
vdev_raidz_math.c Linux 5.0 compat: SIMD compatibility 2020-01-22 13:49:01 -08:00
vdev_raidz_math_aarch64_neon.c Linux 5.0 compat: SIMD compatibility 2020-01-22 13:49:01 -08:00
vdev_raidz_math_aarch64_neon_common.h Fix typos in module/zfs/ 2020-01-22 13:48:59 -08:00
vdev_raidz_math_aarch64_neonx2.c Linux 5.0 compat: SIMD compatibility 2020-01-22 13:49:01 -08:00
vdev_raidz_math_avx2.c Linux 5.0 compat: SIMD compatibility 2020-01-22 13:49:01 -08:00
vdev_raidz_math_avx512bw.c Linux 5.0 compat: SIMD compatibility 2020-01-22 13:49:01 -08:00
vdev_raidz_math_avx512f.c Linux 5.0 compat: SIMD compatibility 2020-01-22 13:49:01 -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 Linux 5.3: Fix switch() fall though compiler errors 2019-09-25 11:27:50 -07:00
vdev_raidz_math_sse2.c Linux 5.0 compat: SIMD compatibility 2020-01-22 13:49:01 -08:00
vdev_raidz_math_ssse3.c Linux 5.0 compat: SIMD compatibility 2020-01-22 13:49:01 -08:00
vdev_removal.c Cancel initialize and TRIM before vdev_metaslab_fini() 2020-01-22 13:49:06 -08:00
vdev_root.c Update vdev_ops_t from illumos 2019-09-25 11:27:48 -07:00
vdev_trim.c Linux 5.6 compat: time_t 2020-05-12 10:53:32 -07:00
zap.c Replace sprintf()->snprintf() and strcpy()->strlcpy() 2020-09-15 21:16:58 +00:00
zap_leaf.c Off-by-one in zap_leaf_array_create() 2019-01-18 09:58:46 -08:00
zap_micro.c Replace sprintf()->snprintf() and strcpy()->strlcpy() 2020-09-15 21:16:58 +00:00
zcp.c Fix typos in module/zfs/ 2020-01-22 13:48:59 -08:00
zcp_get.c Replace sprintf()->snprintf() and strcpy()->strlcpy() 2020-09-15 21:16:58 +00:00
zcp_global.c OpenZFS 8600 - ZFS channel programs - snapshot 2018-02-08 15:29:24 -08:00
zcp_iter.c Fix typos in module/zfs/ 2020-01-22 13:48:59 -08:00
zcp_synctask.c OpenZFS 9166 - zfs storage pool checkpoint 2018-06-26 10:07:42 -07:00
zfeature.c Consistently captialize GUID for features 2019-04-16 10:01:51 -07:00
zfs_acl.c Fix typos in module/zfs/ 2020-01-22 13:48:59 -08:00
zfs_byteswap.c Fix typos in module/zfs/ 2020-01-22 13:48:59 -08:00
zfs_ctldir.c Fix inability to destroy snapshot used over NFS 2020-09-16 14:30:51 -07:00
zfs_debug.c Linux 5.6 compat: time_t 2020-05-12 10:53:32 -07:00
zfs_dir.c Fix typos in module/zfs/ 2020-01-22 13:48:59 -08:00
zfs_fm.c Add zpool status -s (slow I/Os) and -p (parseable) 2018-11-08 16:47:24 -08:00
zfs_fuid.c Update build system and packaging 2018-05-29 16:00:33 -07:00
zfs_ioctl.c Replace sprintf()->snprintf() and strcpy()->strlcpy() 2020-09-15 21:16:58 +00:00
zfs_log.c Improve write performance by using dmu_read_by_dnode() 2020-01-22 13:48:57 -08:00
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 Fix zil replay panic when TX_REMOVE followed by TX_CREATE 2019-09-25 11:27:51 -07:00
zfs_rlock.c Prefix struct rangelock 2020-05-12 10:53:32 -07:00
zfs_sa.c Project Quota on ZFS 2018-02-13 14:54:54 -08:00
zfs_sysfs.c Prevent pointer to an out-of-scope local variable 2019-09-25 11:27:48 -07:00
zfs_vfsops.c Fix typos in module/zfs/ 2020-01-22 13:48:59 -08:00
zfs_vnops.c Prefix struct rangelock 2020-05-12 10:53:32 -07:00
zfs_znode.c Prefix struct rangelock 2020-05-12 10:53:32 -07:00
zil.c Improve logging of 128KB writes 2020-01-22 13:49:04 -08:00
zio.c Replace sprintf()->snprintf() and strcpy()->strlcpy() 2020-09-15 21:16:58 +00:00
zio_checksum.c Fix typos in module/zfs/ 2020-01-22 13:48:59 -08:00
zio_compress.c zio_decompress_data always ASSERTs successful decompression 2020-01-22 13:49:05 -08:00
zio_crypt.c Linux 5.0 compat: SIMD compatibility 2020-01-22 13:49:01 -08:00
zio_inject.c Fix typos in module/zfs/ 2020-01-22 13:48:59 -08:00
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 Fix errant EFAULT during writes (#8719) 2019-05-08 10:04:04 -07:00
zpl_inode.c Linux 5.6 compat: timestamp_truncate() 2020-05-12 10:53:32 -07:00
zpl_super.c Fix typos in module/zfs/ 2020-01-22 13:48:59 -08:00
zpl_xattr.c Drop redundant POSIX ACL check in zpl_init_acl() 2019-09-25 11:27:49 -07:00
zrlock.c Update build system and packaging 2018-05-29 16:00:33 -07:00
zthr.c Fix txg_wait_open() load average inflation 2019-04-04 09:44:46 -07:00
zvol.c Linux 5.10 compat: check_disk_change() removed 2020-12-14 12:05:24 -08:00