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George Amanakis 406534f807 Fixes in persistent L2ARC 
In l2arc_add_vdev() first decide whether the device is eligible for
L2ARC rebuild or whole device trim and then add it to the list of cache
devices. Otherwise l2arc_feed_thread() might already start writing on
the device invalidating previous content as l2ad_hand = l2ad_start.
However l2arc_rebuild_vdev() needs the device present in the cache
device list to figure out its l2arc_dev_t. Fix this by moving most of
l2arc_rebuild_vdev() in a new function l2arc_rebuild_dev() which does
not need to search in the cache device list.

In contrast to l2arc_add_vdev() we do not have to worry about
l2arc_feed_thread() invalidating previous content when onlining a
cache device. The device parameters (l2ad*) are not cleared when
offlining the device and writing new buffers will not invalidate
all previous content. In worst case only buffers that have not had
their log block written to the device will be lost.

Retire persist_l2arc_00{4,5,8} tests since they cover code already
covered by the remaining ones. Test persist_l2arc_006 is renamed to
persist_l2arc_004 and persist_l2arc_007 is renamed to persist_l2arc_005.

Fix a typo in persist_l2arc_004, and remove an assertion that is not
always true from l2arc_arcstats_pos. Also update an assertion in
persist_l2arc_005 and explain why in a comment.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: George Amanakis <gamanakis@gmail.com>
Closes #12365
 		2021-09-14 13:07:44 -07:00
..
Makefile.in Distributed Spare (dRAID) Feature 2020-11-13 13:51:51 -08:00
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 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 Fixes in persistent L2ARC 2021-09-14 13:07:44 -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.c Compact dbuf/buf hashes and lock arrays 2021-09-14 12:22:46 -07:00
dbuf_stats.c Eliminate gratuitous bzeroing in dbuf_stats_hash_table_data 2020-09-30 13:24:38 -07:00
ddt.c Tinker with slop space accounting with dedup 2021-09-14 12:38:05 -07:00
ddt_zap.c Refactor dnode dirty context from dbuf_dirty 2020-02-26 16:09:17 -08:00
dmu.c Split dmu_zfetch() speculation and execution parts 2021-03-19 22:56:11 -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
dnode.c Initialize dn_next_type[] in the dnode constructor 2021-09-14 13:07:44 -07:00
dnode_sync.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
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.c Initialize "autoreplace" in spa_ld_get_props() 2021-09-14 12:41:10 -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 Fix unfortunate NULL in spa_update_dspace 2021-09-14 12:41:10 -07:00
spa_stats.c Remove pool io kstats 2021-06-10 10:50:16 -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
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.c Annotated dprintf as printf-like 2021-06-24 13:12:36 -07:00
vdev_cache.c Replace ASSERTV macro with compiler annotation 2019-12-05 12:37:00 -08:00
vdev_draid.c vdev_draid_min_asize() ignores reserved space 2021-06-15 16:56:42 -07:00
vdev_draid_rand.c Distributed Spare (dRAID) Feature 2020-11-13 13:51:51 -08:00
vdev_indirect.c Optimize small random numbers generation 2021-09-14 12:10:17 -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_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.c Fix dRAID sequential resilver silent damage handling 2021-05-27 22:31:56 -07:00
vdev_raidz_math.c Reduce fletcher4 and raidz benchmark times 2020-12-06 09:57:20 -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_neon_common.h FreeBSD: fix the build with Clang 11 2020-08-17 15:40:17 -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.c Prefix zfs internal endian checks with _ZFS 2020-07-28 13:02:49 -07:00
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_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_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
zap.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
zcp.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
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 Initialize all fields in zfs_log_xvattr() 2021-09-14 12:42:21 -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 Zero pad bytes following TX_WRITE log data 2021-09-14 12:42:21 -07:00
zio.c Optimize allocation throttling 2021-09-14 12:40:15 -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
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