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George Amanakis 77f6826b83 Persistent L2ARC 
This commit makes the L2ARC persistent across reboots. We implement
a light-weight persistent L2ARC metadata structure that allows L2ARC
contents to be recovered after a reboot. This significantly eases the
impact a reboot has on read performance on systems with large caches.

Reviewed-by: Matthew Ahrens <mahrens@delphix.com>
Reviewed-by: George Wilson <gwilson@delphix.com>
Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Co-authored-by: Saso Kiselkov <skiselkov@gmail.com>
Co-authored-by: Jorgen Lundman <lundman@lundman.net>
Co-authored-by: George Amanakis <gamanakis@gmail.com>
Ported-by: Yuxuan Shui <yshuiv7@gmail.com>
Signed-off-by: George Amanakis <gamanakis@gmail.com>
Closes #925 
Closes #1823 
Closes #2672 
Closes #3744 
Closes #9582
2020-04-10 10:33:35 -07:00
..
aggsum.c
Reduce number of atomic_add() calls in aggsum
2020-02-06 13:21:06 -08:00
arc.c
Persistent L2ARC
2020-04-10 10:33:35 -07:00
blkptr.c
Undo c89 workarounds to match with upstream
2017-11-04 13:25:13 -07:00
bplist.c
Fast Clone Deletion
2019-07-26 10:54:14 -07:00
bpobj.c
Add subcommand to wait for background zfs activity to complete
2019-09-13 18:09:06 -07:00
bptree.c
Implement Redacted Send/Receive
2019-06-19 09:48:12 -07:00
bqueue.c
Implement Redacted Send/Receive
2019-06-19 09:48:12 -07:00
btree.c
Replace ASSERTV macro with compiler annotation
2019-12-05 12:37:00 -08:00
dataset_kstats.c
Fix panic on DilOS with kstat per dataset statistics
2019-09-03 12:12:31 -07:00
dbuf_stats.c
Make module tunables cross platform
2019-09-05 14:49:49 -07:00
dbuf.c
Compile cityhash code into libzfs
2020-03-27 09:11:22 -07:00
ddt_zap.c
Refactor dnode dirty context from dbuf_dirty
2020-02-26 16:09:17 -08:00
ddt.c
Reduce loaded range tree memory usage
2019-10-09 10:36:03 -07:00
dmu_diff.c
Mark write_record static
2019-12-03 09:51:44 -08:00
dmu_object.c
Make module tunables cross platform
2019-09-05 14:49:49 -07:00
dmu_objset.c
dmu_objset_from_ds must be called with dp_config_rwlock held
2020-03-12 10:55:02 -07:00
dmu_recv.c
Separate warning for incomplete and corrupt streams
2020-03-17 10:30:33 -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
dmu_objset_from_ds must be called with dp_config_rwlock held
2020-03-12 10:55:02 -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
Use vn_io_fault_uiomove on FreeBSD to avoid potential deadlock
2020-04-08 10:30:27 -07:00
dnode_sync.c
Convert dbuf dirty record record list to a list_t
2020-02-05 11:07:19 -08:00
dnode.c
Prevent race condition in dnode_dest (#10101)
2020-03-12 10:25:56 -07:00
dsl_bookmark.c
Refactor dnode dirty context from dbuf_dirty
2020-02-26 16:09:17 -08:00
dsl_crypt.c
dmu_objset_from_ds must be called with dp_config_rwlock held
2020-03-12 10:55:02 -07:00
dsl_dataset.c
Add 'zfs wait' command
2020-04-01 10:02:06 -07:00
dsl_deadlist.c
Reduce loaded range tree memory usage
2019-10-09 10:36:03 -07:00
dsl_deleg.c
Reduce loaded range tree memory usage
2019-10-09 10:36:03 -07:00
dsl_destroy.c
Add 'zfs wait' command
2020-04-01 10:02:06 -07:00
dsl_dir.c
Add 'zfs wait' command
2020-04-01 10:02:06 -07:00
dsl_pool.c
Eliminate Linux specific inode usage from common code
2019-12-11 11:53:57 -08:00
dsl_prop.c
Refactor dnode dirty context from dbuf_dirty
2020-02-26 16:09:17 -08:00
dsl_scan.c
Fix infinite scan on a pool with only special allocations
2020-03-12 10:52:03 -07:00
dsl_synctask.c
Fix typos in module/zfs/
2019-09-02 17:56:41 -07:00
dsl_userhold.c
Fix strdup conflict on other platforms
2019-10-10 09:47:06 -07:00
edonr_zfs.c
DLPX-44812 integrate EP-220 large memory scalability
2016-11-29 14:34:27 -08:00
fm.c
Enable zpool events tunables and tests on FreeBSD
2020-02-18 11:22:56 -08:00
gzip.c
OpenZFS restructuring - move platform specific sources
2019-09-06 11:26:26 -07:00
hkdf.c
Encryption patch follow-up
2017-10-11 16:54:48 -04:00
lz4.c
Enable clang to use intrinsics for lz4
2019-10-01 13:17:32 -07:00
lzjb.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
Makefile.in
Compile cityhash code into libzfs
2020-03-27 09:11:22 -07:00
metaslab.c
Replace ASSERTV macro with compiler annotation
2019-12-05 12:37:00 -08:00
mmp.c
Improve zfs destroy performance with zio_t-free zio_free()
2020-02-28 14:49:44 -08:00
multilist.c
Enable use of DTRACE_PROBE* macros in "spl" module
2019-11-01 13:13:43 -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
Function name and comment updates
2019-10-11 10:13:21 -07:00
refcount.c
Prevent race in blkptr_verify against device removal
2019-08-13 21:24:43 -06:00
rrwlock.c
Enable use of DTRACE_PROBE* macros in "spl" module
2019-11-01 13:13:43 -07:00
sa.c
Replace ASSERTV macro with compiler annotation
2019-12-05 12:37:00 -08:00
sha256.c
OpenZFS restructuring - move platform specific sources
2019-09-06 11:26:26 -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
Refactor dnode dirty context from dbuf_dirty
2020-02-26 16:09:17 -08:00
spa_config.c
Add zfs_file_* interface, remove vnodes
2019-11-21 09:32:57 -08:00
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
Finish refactoring for ZFS_MODULE_PARAM_CALL
2020-04-07 10:06:22 -07:00
spa.c
Persistent L2ARC
2020-04-10 10:33:35 -07:00
space_map.c
Reduce loaded range tree memory usage
2019-10-09 10:36:03 -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
Replace ASSERTV macro with compiler annotation
2019-12-05 12:37:00 -08:00
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
Replace ASSERTV macro with compiler annotation
2019-12-05 12:37:00 -08:00
vdev_initialize.c
Linux 5.6 compat: time_t
2020-02-27 09:31:02 -08:00
vdev_label.c
Add zfs_file_* interface, remove vnodes
2019-11-21 09:32:57 -08:00
vdev_mirror.c
Avoid some crashes when importing a pool with corrupt metadata
2019-12-26 10:57:05 -08:00
vdev_missing.c
Update vdev_ops_t from illumos
2019-06-20 18:29:02 -07:00
vdev_queue.c
Reduce loaded range tree memory usage
2019-10-09 10:36:03 -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
OpenZFS restructuring - move platform specific headers
2019-09-05 09:34:54 -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
Add AltiVec RAID-Z
2020-01-23 11:01:24 -08:00
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
OpenZFS restructuring - move platform specific headers
2019-09-05 09:34:54 -07:00
vdev_raidz_math.c
Add AltiVec RAID-Z
2020-01-23 11:01:24 -08:00
vdev_raidz.c
Reduce loaded range tree memory usage
2019-10-09 10:36:03 -07:00
vdev_removal.c
Cancel initialize and TRIM before vdev_metaslab_fini()
2019-12-26 10:50:23 -08:00
vdev_root.c
Update vdev_ops_t from illumos
2019-06-20 18:29:02 -07:00
vdev_trim.c
Add trim support to zpool wait
2020-03-04 15:07:11 -08:00
vdev.c
Persistent L2ARC
2020-04-10 10:33:35 -07:00
zap_leaf.c
Refactor dnode dirty context from dbuf_dirty
2020-02-26 16:09:17 -08:00
zap_micro.c
Reduce loaded range tree memory usage
2019-10-09 10:36:03 -07:00
zap.c
Make module tunables cross platform
2019-09-05 14:49:49 -07:00
zcp_get.c
Refactor dnode dirty context from dbuf_dirty
2020-02-26 16:09:17 -08:00
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
Refactor dnode dirty context from dbuf_dirty
2020-02-26 16:09:17 -08:00
zcp.c
Refactor dnode dirty context from dbuf_dirty
2020-02-26 16:09:17 -08:00
zfeature.c
Replace ASSERTV macro with compiler annotation
2019-12-05 12:37:00 -08:00
zfs_byteswap.c
Fix typos in module/zfs/
2019-09-02 17:56:41 -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
Relocate common quota functions to shared code
2019-12-11 12:12:08 -08:00
zfs_ioctl.c
Add 'zfs wait' command
2020-04-01 10:02:06 -07:00
zfs_log.c
Don't call zrele on passed zp in zfs_xattr_owner_unlinked on FreeBSD
2020-02-28 14:53:18 -08:00
zfs_onexit.c
Re-share zfsdev_getminor and zfs_onexit_fd_hold
2020-02-28 14:50:32 -08:00
zfs_quota.c
Relocate common quota functions to shared code
2019-12-11 12:12:08 -08:00
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
Move platform specific parts of zfs_znode.h to platform code
2019-11-06 10:54:25 -08:00
zfs_sa.c
Add inode accessors to common code
2019-10-02 09:15:12 -07:00
zil.c
Improve logging of 128KB writes
2019-11-11 09:27:59 -08:00
zio_checksum.c
Disable EDONR on FreeBSD
2019-12-05 13:10:29 -08:00
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
Compile cityhash code into libzfs
2020-03-27 09:11:22 -07:00
zle.c
Fix zle_decompress out of bound access
2018-02-09 10:08:05 -08:00
zrlock.c
Enable use of DTRACE_PROBE* macros in "spl" module
2019-11-01 13:13:43 -07:00
zthr.c
Fast Clone Deletion
2019-07-26 10:54:14 -07:00
zvol.c
async zvol minor node creation interferes with receive
2020-02-03 09:33:14 -08:00