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e111c80247
mirror_zfs/module/zfs
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Matthew Macy e111c80247
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
2020-08-12 10:03:24 -07:00
..
abd.c Add gang ABD child to parent gang ABD 2020-07-24 21:09:20 -07:00
aggsum.c Reduce number of atomic_add() calls in aggsum 2020-02-06 13:21:06 -08:00
arc.c Restore ARC MFU/MRU pressure 2020-08-12 10:03:24 -07:00
blkptr.c Add include files for prototypes 2020-06-18 12:21:25 -07:00
bplist.c Fast Clone Deletion 2019-07-26 10:54:14 -07:00
bpobj.c Rename refcount.h to zfs_refcount.h 2020-07-29 16:35:33 -07:00
bptree.c Rename refcount.h to zfs_refcount.h 2020-07-29 16:35:33 -07:00
bqueue.c Implement Redacted Send/Receive 2019-06-19 09:48:12 -07:00
btree.c Fix typos 2020-06-09 21:24:09 -07:00
dataset_kstats.c Fix panic on DilOS with kstat per dataset statistics 2019-09-03 12:12:31 -07:00
dbuf_stats.c Mark functions as static 2020-06-18 12:20:38 -07:00
dbuf.c Make use of ZFS_DEBUG consistent within kmod sources 2020-07-25 20:07:44 -07:00
ddt_zap.c Refactor dnode dirty context from dbuf_dirty 2020-02-26 16:09:17 -08:00
ddt.c Remove dead code 2020-06-18 12:21:18 -07:00
dmu_diff.c Mark write_record static 2019-12-03 09:51:44 -08:00
dmu_object.c Add include files for prototypes 2020-06-18 12:21:25 -07:00
dmu_objset.c Remove duplicate include of sys/zfeature.h in dmu_objset.c 2020-07-31 09:04:45 -07:00
dmu_recv.c filesystem_limit/snapshot_limit is incorrectly enforced against root 2020-07-11 17:18:02 -07:00
dmu_redact.c dmu_objset_from_ds must be called with dp_config_rwlock held 2020-03-12 10:55:02 -07:00
dmu_send.c Replace sprintf()->snprintf() and strcpy()->strlcpy() 2020-06-07 11:42:12 -07:00
dmu_traverse.c Make module tunables cross platform 2019-09-05 14:49:49 -07:00
dmu_tx.c Refactor dnode dirty context from dbuf_dirty 2020-02-26 16:09:17 -08:00
dmu_zfetch.c Make module tunables cross platform 2019-09-05 14:49:49 -07:00
dmu.c Mark functions as static 2020-06-18 12:20:38 -07:00
dnode_sync.c Make use of ZFS_DEBUG consistent within kmod sources 2020-07-25 20:07:44 -07:00
dnode.c Prevent race condition in dnode_dest (#10101) 2020-03-12 10:25:56 -07:00
dsl_bookmark.c Fix typos 2020-06-09 21:24:09 -07:00
dsl_crypt.c Mark functions as static 2020-06-18 12:20:38 -07:00
dsl_dataset.c zfs promote does not delete livelist of origin 2020-07-31 08:59:00 -07:00
dsl_deadlist.c Fix i/o error handling of livelists and zap iteration 2020-08-05 10:22:09 -07:00
dsl_deleg.c Reduce loaded range tree memory usage 2019-10-09 10:36:03 -07:00
dsl_destroy.c Fix i/o error handling of livelists and zap iteration 2020-08-05 10:22:09 -07:00
dsl_dir.c Fix i/o error handling of livelists and zap iteration 2020-08-05 10:22:09 -07:00
dsl_pool.c Mark functions as static 2020-06-18 12:20:38 -07:00
dsl_prop.c Replace sprintf()->snprintf() and strcpy()->strlcpy() 2020-06-07 11:42:12 -07:00
dsl_scan.c Add device rebuild feature 2020-07-03 11:05:50 -07:00
dsl_synctask.c Fix typos in module/zfs/ 2019-09-02 17:56:41 -07:00
dsl_userhold.c Replace sprintf()->snprintf() and strcpy()->strlcpy() 2020-06-07 11:42:12 -07:00
edonr_zfs.c Add include files for prototypes 2020-06-18 12:21:25 -07:00
fm.c Enable zpool events tunables and tests on FreeBSD 2020-02-18 11:22:56 -08:00
gzip.c Add include files for prototypes 2020-06-18 12:21:25 -07:00
hkdf.c Encryption patch follow-up 2017-10-11 16:54:48 -04:00
lz4.c Prefix zfs internal endian checks with _ZFS 2020-07-28 13:02:49 -07:00
lzjb.c Add include files for prototypes 2020-06-18 12:21:25 -07:00
Makefile.in Add device rebuild feature 2020-07-03 11:05:50 -07:00
metaslab.c Make use of ZFS_DEBUG consistent within kmod sources 2020-07-25 20:07:44 -07:00
mmp.c Add zfs_multihost_interval tunable handler for FreeBSD 2020-06-23 13:32:42 -07:00
multilist.c Make use of ZFS_DEBUG consistent within kmod sources 2020-07-25 20:07:44 -07:00
objlist.c Implement Redacted Send/Receive 2019-06-19 09:48:12 -07:00
pathname.c Disable unused pathname::pn_path* (unneeded in Linux) 2019-07-15 13:57:56 -07:00
range_tree.c Clarify error message when a range-tree double-add occurs 2020-08-07 14:13:13 -07:00
refcount.c Rename refcount.h to zfs_refcount.h 2020-07-29 16:35:33 -07:00
rrwlock.c Rename refcount.h to zfs_refcount.h 2020-07-29 16:35:33 -07:00
sa.c Mark functions as static 2020-06-18 12:20:38 -07:00
sha256.c Add include files for prototypes 2020-06-18 12:21:25 -07:00
skein_zfs.c Add include files for prototypes 2020-06-18 12:21:25 -07:00
spa_boot.c Add include files for prototypes 2020-06-18 12:21:25 -07:00
spa_checkpoint.c Refactor dnode dirty context from dbuf_dirty 2020-02-26 16:09:17 -08:00
spa_config.c freebsd: changes necessary to coexist with dtrace in tree 2020-07-01 09:10:08 -07:00
spa_errlog.c Fix typos in module/zfs/ 2019-09-02 17:56:41 -07:00
spa_history.c Make spa_history_zone platform-dependent in kernel 2020-03-02 09:43:30 -08:00
spa_log_spacemap.c Make module tunables cross platform 2019-09-05 14:49:49 -07:00
spa_misc.c Add device rebuild feature 2020-07-03 11:05:50 -07:00
spa.c Fix i/o error handling of livelists and zap iteration 2020-08-05 10:22:09 -07:00
space_map.c Rename refcount.h to zfs_refcount.h 2020-07-29 16:35:33 -07:00
space_reftree.c Reduce loaded range tree memory usage 2019-10-09 10:36:03 -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
txg.c Use boot_ncpus in place of max_ncpus in taskq_create 2020-05-20 10:07:21 -07:00
uberblock.c MMP interval and fail_intervals in uberblock 2019-03-21 12:47:57 -07:00
unique.c Reduce loaded range tree memory usage 2019-10-09 10:36:03 -07:00
vdev_cache.c Replace ASSERTV macro with compiler annotation 2019-12-05 12:37:00 -08:00
vdev_indirect_births.c Fixes: #8934 Large kmem_alloc 2019-07-10 15:54:49 -07:00
vdev_indirect_mapping.c Replace ASSERTV macro with compiler annotation 2019-12-05 12:37:00 -08:00
vdev_indirect.c Rename refcount.h to zfs_refcount.h 2020-07-29 16:35:33 -07:00
vdev_initialize.c Rename refcount.h to zfs_refcount.h 2020-07-29 16:35:33 -07:00
vdev_label.c Add device rebuild feature 2020-07-03 11:05:50 -07:00
vdev_mirror.c Add device rebuild feature 2020-07-03 11:05:50 -07:00
vdev_missing.c Update vdev_ops_t from illumos 2019-06-20 18:29:02 -07:00
vdev_queue.c Add device rebuild feature 2020-07-03 11:05:50 -07:00
vdev_raidz_math_aarch64_neon_common.h Minor performance fix for NEON RAID-Z 2019-12-17 19:34:52 -08:00
vdev_raidz_math_aarch64_neon.c Linux 5.0 compat: SIMD compatibility 2019-07-12 09:31:20 -07:00
vdev_raidz_math_aarch64_neonx2.c Linux 5.0 compat: SIMD compatibility 2019-07-12 09:31:20 -07:00
vdev_raidz_math_avx2.c OpenZFS restructuring - move platform specific headers 2019-09-05 09:34:54 -07:00
vdev_raidz_math_avx512bw.c Refactor ccompile.h to not include system headers 2020-07-25 20:09:50 -07:00
vdev_raidz_math_avx512f.c Make clang happy with vdev_raidz_ code 2019-10-10 09:45:37 -07:00
vdev_raidz_math_impl.h Fix const-correctness in raidz math 2020-02-03 10:52:41 -08:00
vdev_raidz_math_powerpc_altivec_common.h Add AltiVec RAID-Z 2020-01-23 11:01:24 -08:00
vdev_raidz_math_powerpc_altivec.c Prefix zfs internal endian checks with _ZFS 2020-07-28 13:02:49 -07:00
vdev_raidz_math_scalar.c Linux 5.3: Fix switch() fall though compiler errors 2019-08-21 09:29:23 -07:00
vdev_raidz_math_sse2.c Make clang happy with vdev_raidz_ code 2019-10-10 09:45:37 -07:00
vdev_raidz_math_ssse3.c Refactor ccompile.h to not include system headers 2020-07-25 20:09:50 -07:00
vdev_raidz_math.c FreeBSD: Fixes required to build ZFS on PowerPC 2020-07-25 11:00:23 -07:00
vdev_raidz.c Fix typos 2020-06-09 21:24:09 -07:00
vdev_rebuild.c Add missed thread_exit() to vdev_{autotrim,rebuild}_thread 2020-08-05 10:17:07 -07:00
vdev_removal.c Trim L2ARC 2020-06-09 10:15:08 -07:00
vdev_root.c Enable splitting mirrors with indirect vdevs 2020-05-06 10:32:28 -07:00
vdev_trim.c Add missed thread_exit() to vdev_{autotrim,rebuild}_thread 2020-08-05 10:17:07 -07:00
vdev.c Fix error handling of vdev_top_zap 2020-07-29 17:04:34 -07:00
zap_leaf.c Refactor dnode dirty context from dbuf_dirty 2020-02-26 16:09:17 -08:00
zap_micro.c Rename refcount.h to zfs_refcount.h 2020-07-29 16:35:33 -07:00
zap.c Rename refcount.h to zfs_refcount.h 2020-07-29 16:35:33 -07:00
zcp_get.c Add include files for prototypes 2020-06-18 12:21:25 -07:00
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/ 2019-09-02 17:56:41 -07:00
zcp_set.c Support setting user properties in a channel program 2020-02-14 13:41:42 -08:00
zcp_synctask.c filesystem_limit/snapshot_limit is incorrectly enforced against root 2020-07-11 17:18:02 -07:00
zcp.c filesystem_limit/snapshot_limit is incorrectly enforced against root 2020-07-11 17:18:02 -07:00
zfeature.c Replace ASSERTV macro with compiler annotation 2019-12-05 12:37:00 -08:00
zfs_byteswap.c Mark functions as static 2020-06-18 12:20:38 -07:00
zfs_fm.c Add zpool status -s (slow I/Os) and -p (parseable) 2018-11-08 16:47:24 -08:00
zfs_fuid.c Rename refcount.h to zfs_refcount.h 2020-07-29 16:35:33 -07:00
zfs_ioctl.c Change the error handling for invalid property values 2020-08-01 08:41:31 -07:00
zfs_log.c Add prototypes 2020-06-18 12:21:32 -07:00
zfs_onexit.c Remove deduplicated send/receive code 2020-04-23 10:06:57 -07:00
zfs_quota.c File incorrectly zeroed when receiving incremental stream that toggles -L 2020-06-09 10:41:01 -07:00
zfs_ratelimit.c Change checksum & IO delay ratelimit values 2018-03-04 17:34:51 -08:00
zfs_replay.c Simplify FreeBSD's locking requirements in zfs_replay.c 2020-01-22 17:55:56 -08:00
zfs_rlock.c Add a "try" operation for range locks 2020-07-06 11:53:31 -07:00
zfs_sa.c Add convenience wrappers for common uio usage 2020-06-14 10:09:55 -07:00
zil.c Mark functions as static 2020-06-18 12:20:38 -07:00
zio_checksum.c Mark functions as static 2020-06-18 12:20:38 -07:00
zio_compress.c zio_decompress_data always ASSERTs successful decompression 2019-12-10 15:51:58 -08:00
zio_inject.c Replace ASSERTV macro with compiler annotation 2019-12-05 12:37:00 -08:00
zio.c Mark functions as static 2020-06-18 12:20:38 -07:00
zle.c Add include files for prototypes 2020-06-18 12:21:25 -07:00
zrlock.c Remove dead code 2020-06-18 12:21:18 -07:00
zthr.c Introduce names for ZTHRs 2020-07-29 09:43:33 -07:00
zvol.c Fix typos 2020-06-09 21:24:09 -07:00