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37c22948e5
mirror_zfs/module/zfs
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George Amanakis 37c22948e5
Reset l2ad_hand and l2ad_first in l2arc_evict 
Increasing l2arc_write_size or l2arc_write_boost can result in
l2arc_write_buffers() not having enough space to perform its writes and
panic zio_write_phys().

Instead of resetting l2ad_hand to l2ad_start at the end of
l2arc_write_buffers() and not taking into account a possible
user-mediated increase of l2arc_write_max, we do this in l2arc_evict(),
right after l2arc_write_size() has run. If there is not enough space to
evict (ie we will exceed l2ad_end) we evict to the end of the device,
reset l2ad_hand to l2ad_start, set l2ad_first to 0 and iterate
l2arc_evict(). We avoid infinite iteration of l2arc_evict() by making
sure in l2arc_write_size() that l2ad_start + size does not exceed
l2ad_end.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Signed-off-by: George Amanakis <gamanakis@gmail.com>
Closes #10154
2020-03-31 10:46:48 -07:00
..
aggsum.c Reduce number of atomic_add() calls in aggsum 2020-02-06 13:21:06 -08:00
arc.c Reset l2ad_hand and l2ad_first in l2arc_evict 2020-03-31 10:46:48 -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 Remove zfs_getattr and convoff dead code 2020-02-24 15:38:22 -08:00
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 Refactor dnode dirty context from dbuf_dirty 2020-02-26 16:09:17 -08:00
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 Replace ASSERTV macro with compiler annotation 2019-12-05 12:37:00 -08:00
dsl_dir.c Refactor dnode dirty context from dbuf_dirty 2020-02-26 16:09:17 -08:00
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 Share some code for spa deadman tunables 2020-02-10 13:11:30 -08:00
spa.c Add trim support to zpool wait 2020-03-04 15:07:11 -08:00
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 Refactor dnode dirty context from dbuf_dirty 2020-02-26 16:09:17 -08:00
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 Re-share zfsdev_getminor and zfs_onexit_fd_hold 2020-02-28 14:50:32 -08:00
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