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4c856fb333ac57d9b4a6ddd44407fd022a702f00
mirror_zfs/include/sys
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Richard Yao 4c856fb333 Fix data race between zil_commit() and zil_suspend() 
openzfsonwindows/openzfs#206 found that it is possible to trip
`VERIFY(list_is_empty(&lwb->lwb_itxs))` when a `zil_commit()` is delayed
by the scheduler long enough for a parallel `zil_suspend()` operation to
exit `zil_commit_impl()`. This is a data race. To prevent this, we
introduce a `zilog->zl_suspend_lock` rwlock to ensure that all
outstanding `zil_commit()` operations finish before `zil_suspend()`
begins and that subsequent operations fallback to `txg_wait_synced()`
after `zil_suspend()` has begun.

On `PREEMPT_RT` Linux kernels, the `rw_enter()` implementation suffers
from writer starvation. This means that a ZIL intensive system can delay
`zil_suspend()` indefinitely. This is a pre-existing problem that
affects everything that uses rw locks, so it needs to be addressed in
the SPL.  However, builds against `PREEMPT_RT` Linux kernels are
currently broken due to a GPL symbol issue (#11097), so we can safely
disregard that issue for now.

Reported-by: Arun KV <arun.kv@datacore.com>
Reviewed-by: Alexander Motin <mav@FreeBSD.org>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Richard Yao <richard.yao@alumni.stonybrook.edu>
Closes #14514
2023-03-01 13:23:09 -08:00
..
crypto
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
fm
Configure zed's diagnosis engine with vdev properties
2023-01-23 13:14:25 -08:00
fs
Configure zed's diagnosis engine with vdev properties
2023-01-23 13:14:25 -08:00
lua
autoconf: single-step includes
2022-05-10 10:18:51 -07:00
sysevent
zed: Fix config_sync autoexpand flood
2022-09-08 10:32:30 -07:00
zstd
Unbreak zstd build on sparc64
2022-05-25 09:18:49 -07:00
abd_impl.h
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
abd.h
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
aggsum.h
More aggsum optimizations
2021-06-07 09:02:47 -07:00
arc_impl.h
Hide b_freeze_* under ZFS_DEBUG
2023-01-05 10:15:31 -07:00
arc.h
Remove some dead ARC code. (#14340)
2023-01-09 10:45:17 -08:00
asm_linkage.h
Unify Assembler files between Linux and Windows
2023-01-17 11:09:19 -08:00
avl_impl.h
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
avl.h
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
bitops.h
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
blake3.h
Fix BLAKE3 tuneable and module loading on Linux and FreeBSD
2022-09-16 14:25:53 -07:00
blkptr.h
OpenZFS 8067 - zdb should be able to dump literal embedded block pointer
2017-07-07 11:28:01 -07:00
bplist.h
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
bpobj.h
Prefetch on deadlists merge
2023-01-25 11:30:24 -08:00
bptree.h
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
bqueue.h
Batch enqueue/dequeue for bqueue
2023-01-10 13:39:22 -08:00
btree.h
Optimize microzaps
2022-10-20 11:57:15 -07:00
dataset_kstats.h
Add support for per dataset zil stats and use wmsum counters
2022-07-20 17:14:06 -07:00
dbuf.h
Implement uncached prefetch
2023-01-04 17:29:54 -07:00
ddt.h
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
dmu_impl.h
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2022-07-11 14:16:13 -07:00
dmu_objset.h
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
dmu_recv.h
Implement a new type of zfs receive: corrective receive (-c)
2022-07-28 15:52:46 -07:00
dmu_redact.h
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
dmu_send.h
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2022-07-11 14:16:13 -07:00
dmu_traverse.h
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2022-07-11 14:16:13 -07:00
dmu_tx.h
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2022-07-11 14:16:13 -07:00
dmu_zfetch.h
Cleanup: 64-bit kernel module parameters should use fixed width types
2022-10-13 10:03:29 -07:00
dmu.h
Add options to zfs redundant_metadata property
2022-10-19 17:07:51 -07:00
dnode.h
Implement uncached prefetch
2023-01-04 17:29:54 -07:00
dsl_bookmark.h
Remaining {=> const} char|void *tag
2022-06-29 14:08:59 -07:00
dsl_crypt.h
Fix zpool status in case of unloaded keys
2022-08-22 17:42:01 -07:00
dsl_dataset.h
Revert zfeature_active() to static
2023-02-28 14:03:52 -08:00
dsl_deadlist.h
Cleanup: 64-bit kernel module parameters should use fixed width types
2022-10-13 10:03:29 -07:00
dsl_deleg.h
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2022-07-11 14:16:13 -07:00
dsl_destroy.h
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2022-07-11 14:16:13 -07:00
dsl_dir.h
Cleanup ->dd_space_towrite should be unsigned
2023-01-20 11:10:15 -08:00
dsl_pool.h
Cleanup: 64-bit kernel module parameters should use fixed width types
2022-10-13 10:03:29 -07:00
dsl_prop.h
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
dsl_scan.h
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2022-07-11 14:16:13 -07:00
dsl_synctask.h
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2022-07-11 14:16:13 -07:00
dsl_userhold.h
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
edonr.h
OpenZFS 4185 - add new cryptographic checksums to ZFS: SHA-512, Skein, Edon-R
2016-10-03 14:51:15 -07:00
efi_partition.h
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
frame.h
Linux 5.10 compat: frame.h renamed objtool.h
2020-11-02 22:01:10 +00:00
hkdf.h
Encryption patch follow-up
2017-10-11 16:54:48 -04:00
metaslab_impl.h
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
metaslab.h
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
mmp.h
Cleanup: 64-bit kernel module parameters should use fixed width types
2022-10-13 10:03:29 -07:00
mntent.h
Expose ZFS dataset case sensitivity setting via sb_opts
2022-07-14 10:38:16 -07:00
mod.h
linux: module: weld all but spl.ko into zfs.ko
2022-04-20 13:28:24 -07:00
multilist.h
Re-embed multilist_t storage
2021-06-10 10:42:31 -06:00
nvpair_impl.h
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
nvpair.h
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
objlist.h
Implement Redacted Send/Receive
2019-06-19 09:48:12 -07:00
pathname.h
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
qat.h
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2022-07-11 14:16:13 -07:00
range_tree.h
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2022-07-11 14:16:13 -07:00
rrwlock.h
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2022-07-11 14:16:13 -07:00
sa_impl.h
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2022-07-11 14:16:13 -07:00
sa.h
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
skein.h
OpenZFS 4185 - add new cryptographic checksums to ZFS: SHA-512, Skein, Edon-R
2016-10-03 14:51:15 -07:00
spa_checkpoint.h
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
spa_checksum.h
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
spa_impl.h
Cleanup: Specify unsignedness on things that should not be signed
2022-09-27 16:42:41 -07:00
spa_log_spacemap.h
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
spa.h
zdb: zero-pad checksum output follow up
2023-02-15 09:06:29 -08:00
space_map.h
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
space_reftree.h
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2022-07-11 14:16:13 -07:00
sysevent.h
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
txg_impl.h
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2022-07-11 14:16:13 -07:00
txg.h
Cleanup: Specify unsignedness on things that should not be signed
2022-09-27 16:42:41 -07:00
u8_textprep_data.h
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
u8_textprep.h
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2022-07-11 14:16:13 -07:00
uberblock_impl.h
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2022-07-11 14:16:13 -07:00
uberblock.h
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2022-07-11 14:16:13 -07:00
uio_impl.h
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2022-07-11 14:16:13 -07:00
unique.h
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2022-07-11 14:16:13 -07:00
uuid.h
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
vdev_disk.h
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
vdev_draid.h
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2022-07-11 14:16:13 -07:00
vdev_file.h
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
vdev_impl.h
Configure zed's diagnosis engine with vdev properties
2023-01-23 13:14:25 -08:00
vdev_indirect_births.h
OpenZFS 7614, 9064 - zfs device evacuation/removal
2018-04-14 12:16:17 -07:00
vdev_indirect_mapping.h
OpenZFS 7614, 9064 - zfs device evacuation/removal
2018-04-14 12:16:17 -07:00
vdev_initialize.h
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
vdev_raidz_impl.h
Cleanup Raid-Z Typo fixes
2022-09-06 09:43:21 -07:00
vdev_raidz.h
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
vdev_rebuild.h
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
vdev_removal.h
Cleanup: Specify unsignedness on things that should not be signed
2022-09-27 16:42:41 -07:00
vdev_trim.h
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
vdev.h
zed: mark disks as REMOVED when they are removed
2022-09-28 09:48:46 -07:00
xvattr.h
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
zap_impl.h
Optimize microzaps
2022-10-20 11:57:15 -07:00
zap_leaf.h
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
zap.h
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
zcp_global.h
OpenZFS 7431 - ZFS Channel Programs
2018-02-08 15:28:18 -08:00
zcp_iter.h
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
zcp_prop.h
OpenZFS 7431 - ZFS Channel Programs
2018-02-08 15:28:18 -08:00
zcp_set.h
Support setting user properties in a channel program
2020-02-14 13:41:42 -08:00
zcp.h
Cleanup: 64-bit kernel module parameters should use fixed width types
2022-10-13 10:03:29 -07:00
zfeature.h
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
zfs_acl.h
Fix the last two CFI callback prototype mismatches
2022-11-29 09:56:16 -08:00
zfs_bootenv.h
zfs label bootenv should store data as nvlist
2020-09-15 15:42:27 -07:00
zfs_chksum.h
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
zfs_context.h
Introduce kmem_scnprintf()
2022-10-29 13:05:11 -07:00
zfs_debug.h
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
zfs_delay.h
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
zfs_file.h
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
zfs_fuid.h
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
zfs_ioctl_impl.h
Cleanup: 64-bit kernel module parameters should use fixed width types
2022-10-13 10:03:29 -07:00
zfs_ioctl.h
DMU_BACKUP_FEATURE: indicate that bit 28 and 29 are reserved
2022-09-27 16:55:32 -07:00
zfs_onexit.h
zfs_onexit_add_cb: make action_handle point to a uintptr_t
2022-11-03 09:52:12 -07:00
zfs_project.h
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
zfs_quota.h
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2022-07-11 14:16:13 -07:00
zfs_racct.h
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
zfs_ratelimit.h
Change checksum & IO delay ratelimit values
2018-03-04 17:34:51 -08:00
zfs_refcount.h
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
zfs_rlock.h
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
zfs_sa.h
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
zfs_stat.h
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
zfs_sysfs.h
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
zfs_vfsops.h
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
zfs_vnops.h
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
zfs_znode.h
Linux: use filemap_range_has_page()
2023-02-14 11:04:34 -08:00
zil_impl.h
Fix data race between zil_commit() and zil_suspend()
2023-03-01 13:23:09 -08:00
zil.h
Optionally skip zil_close during zvol_create_minor_impl
2022-11-08 12:38:08 -08:00
zio_checksum.h
Fix double const qualifier declarations
2022-09-30 15:34:39 -07:00
zio_compress.h
Skip memory allocation when compressing holes
2023-02-27 14:41:02 -08:00
zio_crypt.h
Enable -Wwrite-strings
2022-06-29 14:08:54 -07:00
zio_impl.h
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
zio_priority.h
Add device rebuild feature
2020-07-03 11:05:50 -07:00
zio.h
Convert enum zio_flag to uint64_t
2022-10-27 09:54:54 -07:00
zrlock.h
Pack zrlock_t by 8 bytes
2023-01-05 09:31:55 -08:00
zthr.h
Avoid memory allocations in the ARC eviction thread
2022-01-21 10:28:13 -08:00
zvol_impl.h
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
zvol.h
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00