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mirror_zfs/module/zfs
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Alexander Motin 32c0b6468c Optimize allocation throttling 
Remove mc_lock use from metaslab_class_throttle_*().  The math there
is based on refcounts and so atomic, so the only race possible there
is between zfs_refcount_count() and zfs_refcount_add().  But in most
cases metaslab_class_throttle_reserve() is called with the allocator
lock held, which covers the race.  In cases where the lock is not
held, GANG_ALLOCATION() or METASLAB_MUST_RESERVE are set, and so we
do not use zfs_refcount_count().  And even if we assume some other
non-existing scenario, the worst that may happen from this race is
few more I/Os get to allocation earlier, that is not a problem.

Move locks and data of different allocators into different cache
lines to avoid false sharing.  Group spa_alloc_* arrays together
into single array of aligned struct spa_alloc spa_allocs.  Align
struct metaslab_class_allocator.

Reviewed-by: Paul Dagnelie <pcd@delphix.com>
Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Reviewed-by: Don Brady <don.brady@delphix.com>
Signed-off-by: Alexander Motin <mav@FreeBSD.org>
Closes #12314
2021-09-14 12:40:15 -07:00
..
abd.c
Fix abd leak, kmem_free correct size of abd_t
2021-09-14 12:22:28 -07:00
aggsum.c
More aggsum optimizations
2021-06-09 13:05:34 -07:00
arc.c
Minor ARC optimizations
2021-09-14 12:39:48 -07:00
blkptr.c
Add zstd support to zfs
2020-08-20 10:30:06 -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 typo in btree.c
2020-08-17 15:25:37 -07:00
dataset_kstats.c
Introduce write-mostly sums
2021-06-09 13:05:34 -07:00
dbuf_stats.c
Eliminate gratuitous bzeroing in dbuf_stats_hash_table_data
2020-09-30 13:24:38 -07:00
dbuf.c
Compact dbuf/buf hashes and lock arrays
2021-09-14 12:22:46 -07:00
ddt_zap.c
Refactor dnode dirty context from dbuf_dirty
2020-02-26 16:09:17 -08:00
ddt.c
Tinker with slop space accounting with dedup
2021-09-14 12:38:05 -07:00
dmu_diff.c
Mark write_record static
2019-12-03 09:51:44 -08:00
dmu_object.c
Introduce CPU_SEQID_UNSTABLE
2020-11-02 11:51:12 -08:00
dmu_objset.c
Avoid 64bit division in multilist index functions
2021-06-29 13:15:04 -07:00
dmu_recv.c
Annotated dprintf as printf-like
2021-06-24 13:12:36 -07:00
dmu_redact.c
dmu_redact.c does not call bqueue_destroy
2021-09-14 12:39:48 -07:00
dmu_send.c
implicit conversion from 'boolean_t' to 'ds_hold_flags_t'
2020-12-27 16:31:02 -08:00
dmu_traverse.c
ZFS traverse_visitbp optimization to limit prefetch
2021-04-19 15:22:57 -07:00
dmu_tx.c
Annotated dprintf as printf-like
2021-06-24 13:12:36 -07:00
dmu_zfetch.c
Upstream: dmu_zfetch_stream_fini leaks refcount
2021-09-14 12:21:55 -07:00
dmu.c
Split dmu_zfetch() speculation and execution parts
2021-03-19 22:56:11 -07:00
dnode_sync.c
Annotated dprintf as printf-like
2021-06-24 13:12:36 -07:00
dnode.c
Annotated dprintf as printf-like
2021-06-24 13:12:36 -07:00
dsl_bookmark.c
Fix various typos
2021-04-07 13:27:11 -07:00
dsl_crypt.c
Revert "Fix raw sends on encrypted datasets when copying back snapshots"
2021-05-27 22:10:13 -07:00
dsl_dataset.c
Introduce dsl_dir_diduse_transfer_space()
2021-09-14 12:38:51 -07:00
dsl_deadlist.c
Livelist logic should handle dedup blkptrs
2021-06-09 13:05:34 -07:00
dsl_deleg.c
Reduce loaded range tree memory usage
2019-10-09 10:36:03 -07:00
dsl_destroy.c
Annotated dprintf as printf-like
2021-06-24 13:12:36 -07:00
dsl_dir.c
Introduce dsl_dir_diduse_transfer_space()
2021-09-14 12:38:51 -07:00
dsl_pool.c
Re-embed multilist_t storage
2021-06-10 10:50:16 -07:00
dsl_prop.c
Replace sprintf()->snprintf() and strcpy()->strlcpy()
2020-06-07 11:42:12 -07:00
dsl_scan.c
Improve scrub maxinflight_bytes math.
2021-06-08 14:50:57 -07:00
dsl_synctask.c
nowait synctask must succeed
2020-09-04 10:29:39 -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
file reference counts can get corrupted
2021-09-14 12:37:38 -07:00
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
Distributed Spare (dRAID) Feature
2020-11-13 13:51:51 -08:00
metaslab.c
Optimize allocation throttling
2021-09-14 12:40:15 -07:00
mmp.c
Optimize small random numbers generation
2021-09-14 12:10:17 -07:00
multilist.c
Optimize small random numbers generation
2021-09-14 12:10:17 -07:00
objlist.c
Implement Redacted Send/Receive
2019-06-19 09:48:12 -07:00
pathname.c
Replace ZFS on Linux references with OpenZFS
2020-10-08 20:10:13 -07:00
range_tree.c
Annotated dprintf as printf-like
2021-06-24 13:12:36 -07:00
refcount.c
Reference_tracking_enable should be a module param
2021-03-16 14:56:17 -07:00
rrwlock.c
Rename refcount.h to zfs_refcount.h
2020-07-29 16:35:33 -07:00
sa.c
Annotated dprintf as printf-like
2021-06-24 13:12:36 -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
Annotated dprintf as printf-like
2021-06-24 13:12:36 -07:00
spa_config.c
Cleaning up uio headers
2021-02-20 20:16:50 -08:00
spa_errlog.c
Fix typos in module/zfs/
2019-09-02 17:56:41 -07:00
spa_history.c
Annotated dprintf as printf-like
2021-06-24 13:12:36 -07:00
spa_log_spacemap.c
Balance parentheses in parameter descriptions
2021-04-14 13:23:07 -07:00
spa_misc.c
Optimize allocation throttling
2021-09-14 12:40:15 -07:00
spa_stats.c
Remove pool io kstats
2021-06-10 10:50:16 -07:00
spa.c
Optimize allocation throttling
2021-09-14 12:40:15 -07:00
space_map.c
Optimize small random numbers generation
2021-09-14 12:10:17 -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
Annotated dprintf as printf-like
2021-06-24 13:12:36 -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_draid_rand.c
Distributed Spare (dRAID) Feature
2020-11-13 13:51:51 -08:00
vdev_draid.c
vdev_draid_min_asize() ignores reserved space
2021-06-15 16:56:42 -07:00
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
Optimize small random numbers generation
2021-09-14 12:10:17 -07:00
vdev_initialize.c
Cancel TRIM / initialize on FAULTED non-writeable vdevs
2021-03-02 10:27:27 -08:00
vdev_label.c
Parallelize vdev_validate
2021-01-26 19:36:51 -08:00
vdev_mirror.c
Optimize small random numbers generation
2021-09-14 12:10:17 -07:00
vdev_missing.c
Distributed Spare (dRAID) Feature
2020-11-13 13:51:51 -08:00
vdev_queue.c
Move gethrtime() calls out of vdev queue lock
2021-09-14 12:35:53 -07:00
vdev_raidz_math_aarch64_neon_common.h
FreeBSD: fix the build with Clang 11
2020-08-17 15:40:17 -07:00
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
FreeBSD: fix the build with Clang 11
2020-08-17 15:40:17 -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
FreeBSD: fix the build with Clang 11
2020-08-17 15:40:17 -07:00
vdev_raidz_math_impl.h
Distributed Spare (dRAID) Feature
2020-11-13 13:51:51 -08:00
vdev_raidz_math_powerpc_altivec_common.h
FreeBSD: fix the build with Clang 11
2020-08-17 15:40:17 -07:00
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
FreeBSD: fix the build with Clang 11
2020-08-17 15:40:17 -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
Reduce fletcher4 and raidz benchmark times
2020-12-06 09:57:20 -08:00
vdev_raidz.c
Fix dRAID sequential resilver silent damage handling
2021-05-27 22:31:56 -07:00
vdev_rebuild.c
Use dsl_scan_setup_check() to setup a scrub
2021-04-14 13:19:49 -07:00
vdev_removal.c
Annotated dprintf as printf-like
2021-06-24 13:12:36 -07:00
vdev_root.c
Distributed Spare (dRAID) Feature
2020-11-13 13:51:51 -08:00
vdev_trim.c
Cancel TRIM / initialize on FAULTED non-writeable vdevs
2021-03-02 10:27:27 -08:00
vdev.c
Annotated dprintf as printf-like
2021-06-24 13:12:36 -07:00
zap_leaf.c
Refactor dnode dirty context from dbuf_dirty
2020-02-26 16:09:17 -08:00
zap_micro.c
Annotated dprintf as printf-like
2021-06-24 13:12:36 -07:00
zap.c
Annotated dprintf as printf-like
2021-06-24 13:12:36 -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
A few fixes of callback typecasting (for the upcoming ClangCFI)
2021-09-14 12:39:48 -07:00
zcp.c
Annotated dprintf as printf-like
2021-06-24 13:12:36 -07:00
zfeature.c
Throw const on some strings
2020-10-02 17:44:10 -07:00
zfs_byteswap.c
Mark functions as static
2020-06-18 12:20:38 -07:00
zfs_fm.c
Ratelimit deadman zevents as with delay zevents
2021-04-14 13:19:49 -07:00
zfs_fuid.c
Fix regression in POSIX mode behavior
2021-03-19 22:50:46 -07:00
zfs_ioctl.c
file reference counts can get corrupted
2021-09-14 12:37:38 -07:00
zfs_log.c
Fix zfs_get_data access to files with wrong generation
2021-03-19 22:53:31 -07:00
zfs_onexit.c
file reference counts can get corrupted
2021-09-14 12:37:38 -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
Extending FreeBSD UIO Struct
2021-01-20 21:27:30 -08:00
zfs_vnops.c
Fix zfs_get_data access to files with wrong generation
2021-03-19 22:53:31 -07:00
zil.c
A few fixes of callback typecasting (for the upcoming ClangCFI)
2021-09-14 12:39:48 -07:00
zio_checksum.c
Mark functions as static
2020-06-18 12:20:38 -07:00
zio_compress.c
Optimize small random numbers generation
2021-09-14 12:10:17 -07:00
zio_inject.c
Optimize small random numbers generation
2021-09-14 12:10:17 -07:00
zio.c
Optimize allocation throttling
2021-09-14 12:40:15 -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
Retain thread name when resuming a zthr
2020-09-03 20:09:52 -07:00
zvol.c
A few fixes of callback typecasting (for the upcoming ClangCFI)
2021-09-14 12:39:48 -07:00