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mirror_zfs/module/zfs
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Ameer Hamza 637f918211 arc: avoid possible deadlock in arc_read 
In l2arc_evict(), the config lock may be acquired in reverse order
(e.g., first the config lock (writer), then a hash lock) unlike in
arc_read() during scenarios like L2ARC device removal. To avoid
deadlocks, if the attempt to acquire the config lock (reader) fails
in arc_read(), release the hash lock, wait for the config lock, and
retry from the beginning.

Reviewed-by: Alexander Motin <mav@FreeBSD.org>
Signed-off-by: Ameer Hamza <ahamza@ixsystems.com>
Closes #17071
2025-02-28 00:42:29 +05:00
..
abd.c
Adding Direct IO Support
2024-09-14 13:47:59 -07:00
aggsum.c
Remove bcopy(), bzero(), bcmp()
2022-03-15 15:13:42 -07:00
arc.c
arc: avoid possible deadlock in arc_read
2025-02-28 00:42:29 +05:00
blake3_zfs.c
blake3: fix up bogus checksums in face of cpu migration
2023-05-01 17:21:27 -07:00
blkptr.c
compress: change zio_compress API to use ABDs
2024-08-22 16:22:24 -07:00
bplist.c
Use list_remove_head() where possible.
2023-06-09 10:12:52 -07:00
bpobj.c
Provide macros for setting and getting blkptr birth times
2024-03-25 15:01:54 -07:00
bptree.c
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
bqueue.c
Batch enqueue/dequeue for bqueue
2023-01-10 13:39:22 -08:00
brt.c
BRT: Check bv_mos_entries in brt_entry_lookup()
2024-12-12 16:20:30 -08:00
btree.c
Remove unnecessary CSTYLED escapes on top-level macro invocations
2024-12-06 09:05:02 -08:00
dataset_kstats.c
Adding Direct IO Support
2024-09-14 13:47:59 -07:00
dbuf_stats.c
Consider dnode_t allocations in dbuf cache size accounting
2023-11-17 13:25:53 -08:00
dbuf.c
Linux 6.12 compat: Rename range_tree_* to zfs_range_tree_*
2025-02-28 00:42:29 +05:00
ddt_log.c
Add DDT prune command
2024-09-04 14:17:02 -07:00
ddt_stats.c
ddt: dedup log
2024-08-16 12:03:35 -07:00
ddt_zap.c
Remove unnecessary CSTYLED escapes on top-level macro invocations
2024-12-06 09:05:02 -08:00
ddt.c
Remove set but not used variable in ddt.c (#16522)
2024-09-10 12:46:50 -07:00
dmu_diff.c
Simplify issig().
2024-05-29 10:49:11 -07:00
dmu_direct.c
Reduce dirty records memory usage
2024-11-04 16:46:39 -08:00
dmu_object.c
Remove unnecessary CSTYLED escapes on top-level macro invocations
2024-12-06 09:05:02 -08:00
dmu_objset.c
Allocate zap_attribute_t from kmem instead of stack
2024-10-01 13:39:08 -07:00
dmu_recv.c
Remove unnecessary CSTYLED escapes on top-level macro invocations
2024-12-06 09:05:02 -08:00
dmu_redact.c
Allocate zap_attribute_t from kmem instead of stack
2024-10-01 13:39:08 -07:00
dmu_send.c
ZFS send should use spill block prefetched from send_reader_thread
2024-11-06 11:54:32 -08:00
dmu_traverse.c
Remove unnecessary CSTYLED escapes on top-level macro invocations
2024-12-06 09:05:02 -08:00
dmu_tx.c
Fix false assertion in dmu_tx_dirty_buf() on cloning
2024-12-05 11:49:06 -08:00
dmu_zfetch.c
Improve speculative prefetcher for block cloning
2024-12-05 09:33:21 -08:00
dmu.c
Remove unnecessary CSTYLED escapes on top-level macro invocations
2024-12-06 09:05:02 -08:00
dnode_sync.c
Linux 6.12 compat: Rename range_tree_* to zfs_range_tree_*
2025-02-28 00:42:29 +05:00
dnode.c
Linux 6.12 compat: Rename range_tree_* to zfs_range_tree_*
2025-02-28 00:42:29 +05:00
dsl_bookmark.c
Allocate zap_attribute_t from kmem instead of stack
2024-10-01 13:39:08 -07:00
dsl_crypt.c
Allocate zap_attribute_t from kmem instead of stack
2024-10-01 13:39:08 -07:00
dsl_dataset.c
Allow dsl_deadlist_open() return errors
2024-12-05 09:33:21 -08:00
dsl_deadlist.c
Allow dsl_deadlist_open() return errors
2024-12-05 09:33:21 -08:00
dsl_deleg.c
Allocate zap_attribute_t from kmem instead of stack
2024-10-01 13:39:08 -07:00
dsl_destroy.c
Allow dsl_deadlist_open() return errors
2024-12-05 09:33:21 -08:00
dsl_dir.c
Remove unnecessary CSTYLED escapes on top-level macro invocations
2024-12-06 09:05:02 -08:00
dsl_pool.c
Linux 6.12 compat: Rename range_tree_* to zfs_range_tree_*
2025-02-28 00:42:29 +05:00
dsl_prop.c
snapdir: add 'disabled' value to make .zfs inaccessible
2024-10-02 09:12:02 -07:00
dsl_scan.c
arc: avoid possible deadlock in arc_read
2025-02-28 00:42:29 +05:00
dsl_synctask.c
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
dsl_userhold.c
Allocate zap_attribute_t from kmem instead of stack
2024-10-01 13:39:08 -07:00
edonr_zfs.c
Remove unused Edon-R variants
2023-03-14 15:59:58 -07:00
fm.c
Use list_remove_head() where possible.
2023-06-09 10:12:52 -07:00
gzip.c
compress: change compression providers API to use ABDs
2024-08-22 16:22:24 -07:00
hkdf.c
Remove bcopy(), bzero(), bcmp()
2022-03-15 15:13:42 -07:00
lz4_zfs.c
compress: change compression providers API to use ABDs
2024-08-22 16:22:24 -07:00
lz4.c
lz4: Cherrypick fix for CVE-2021-3520
2022-01-12 16:14:36 -08:00
lzjb.c
compress: change compression providers API to use ABDs
2024-08-22 16:22:24 -07:00
metaslab.c
Better fill empty metaslabs
2025-02-28 00:42:29 +05:00
mmp.c
Remove unnecessary CSTYLED escapes on top-level macro invocations
2024-12-06 09:05:02 -08:00
multilist.c
L2ARC: Relax locking during write
2024-04-09 16:23:19 -07:00
objlist.c
Implement Redacted Send/Receive
2019-06-19 09:48:12 -07:00
pathname.c
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
range_tree.c
range_tree: convert remaining range_* defs to zfs_range_*
2025-02-28 00:42:29 +05:00
refcount.c
Remove unnecessary CSTYLED escapes on top-level macro invocations
2024-12-06 09:05:02 -08:00
rrwlock.c
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
sa.c
Allocate zap_attribute_t from kmem instead of stack
2024-10-01 13:39:08 -07:00
sha2_zfs.c
Add generic implementation handling and SHA2 impl
2023-03-02 13:52:21 -08:00
skein_zfs.c
Remove bcopy(), bzero(), bcmp()
2022-03-15 15:13:42 -07:00
spa_checkpoint.c
Linux 6.12 compat: Rename range_tree_* to zfs_range_tree_*
2025-02-28 00:42:29 +05:00
spa_config.c
Add mutex_enter_interruptible() for interruptible sleeping IOCTLs
2023-10-26 09:17:40 -07:00
spa_errlog.c
Remove unnecessary CSTYLED escapes on top-level macro invocations
2024-12-06 09:05:02 -08:00
spa_history.c
Assert if we're logging after final txg was set
2024-12-02 18:14:26 -08:00
spa_log_spacemap.c
Linux 6.12 compat: Rename range_tree_* to zfs_range_tree_*
2025-02-28 00:42:29 +05:00
spa_misc.c
spa: fix signature mismatch for spa_boot_init as eventhandler required
2025-02-28 00:42:29 +05:00
spa_stats.c
Adding Direct IO Support
2024-09-14 13:47:59 -07:00
spa.c
arc: avoid possible deadlock in arc_read
2025-02-28 00:42:29 +05:00
space_map.c
range_tree: convert remaining range_* defs to zfs_range_*
2025-02-28 00:42:29 +05:00
space_reftree.c
Linux 6.12 compat: Rename range_tree_* to zfs_range_tree_*
2025-02-28 00:42:29 +05:00
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
vdev probe to slow disk can stall mmp write checker
2024-04-29 14:35:53 -07:00
uberblock.c
Provide macros for setting and getting blkptr birth times
2024-03-25 15:01:54 -07:00
unique.c
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
vdev_draid_rand.c
Distributed Spare (dRAID) Feature
2020-11-13 13:51:51 -08:00
vdev_draid.c
range_tree: convert remaining range_* defs to zfs_range_*
2025-02-28 00:42:29 +05:00
vdev_file.c
vdev_file: make FLUSH and TRIM asynchronous
2025-02-28 00:42:29 +05:00
vdev_indirect_births.c
Remove bcopy(), bzero(), bcmp()
2022-03-15 15:13:42 -07:00
vdev_indirect_mapping.c
Remove bcopy(), bzero(), bcmp()
2022-03-15 15:13:42 -07:00
vdev_indirect.c
Linux 6.12 compat: Rename range_tree_* to zfs_range_tree_*
2025-02-28 00:42:29 +05:00
vdev_initialize.c
range_tree: convert remaining range_* defs to zfs_range_*
2025-02-28 00:42:29 +05:00
vdev_label.c
range_tree: convert remaining range_* defs to zfs_range_*
2025-02-28 00:42:29 +05:00
vdev_mirror.c
Remove unnecessary CSTYLED escapes on top-level macro invocations
2024-12-06 09:05:02 -08:00
vdev_missing.c
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
vdev_queue.c
Fix accounting error for pending sync IO ops in zpool iostat
2023-11-07 09:06:14 -08:00
vdev_raidz_math_aarch64_neon_common.h
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
vdev_raidz_math_aarch64_neon.c
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
vdev_raidz_math_aarch64_neonx2.c
Fix Clang 15 compilation errors
2022-11-30 13:46:26 -08:00
vdev_raidz_math_avx2.c
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
vdev_raidz_math_avx512bw.c
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
vdev_raidz_math_avx512f.c
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
vdev_raidz_math_impl.h
RAIDZ: Use cache blocking during parity math
2023-10-30 14:54:27 -07:00
vdev_raidz_math_powerpc_altivec_common.h
Linux ppc64le ieee128 compat: Do not redefine __asm on external headers
2023-01-13 10:58:58 -08:00
vdev_raidz_math_powerpc_altivec.c
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
vdev_raidz_math_scalar.c
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
vdev_raidz_math_sse2.c
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
vdev_raidz_math_ssse3.c
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
vdev_raidz_math.c
Make the vfs.zfs.vdev.raidz_impl sysctl cross-platform
2025-02-25 22:32:11 +05:00
vdev_raidz.c
range_tree: convert remaining range_* defs to zfs_range_*
2025-02-28 00:42:29 +05:00
vdev_rebuild.c
Linux 6.12 compat: Rename range_tree_* to zfs_range_tree_*
2025-02-28 00:42:29 +05:00
vdev_removal.c
Don't try to get mg of hole vdev in removal
2025-02-28 00:42:29 +05:00
vdev_root.c
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
vdev_trim.c
range_tree: convert remaining range_* defs to zfs_range_*
2025-02-28 00:42:29 +05:00
vdev.c
range_tree: convert remaining range_* defs to zfs_range_*
2025-02-28 00:42:29 +05:00
zap_leaf.c
ZAP: Some cleanups/micro-optimizations
2024-03-21 16:43:53 -07:00
zap_micro.c
microzap: set hard upper limit of 1M
2024-12-29 11:53:45 -08:00
zap.c
Remove unnecessary CSTYLED escapes on top-level macro invocations
2024-12-06 09:05:02 -08:00
zcp_get.c
nvpair: Constify string functions
2023-03-14 15:25:50 -07:00
zcp_global.c
OpenZFS 8600 - ZFS channel programs - snapshot
2018-02-08 15:29:24 -08:00
zcp_iter.c
Allocate zap_attribute_t from kmem instead of stack
2024-10-01 13:39:08 -07:00
zcp_set.c
Support setting user properties in a channel program
2020-02-14 13:41:42 -08:00
zcp_synctask.c
Add zfs.sync.snapshot_rename
2022-09-02 13:31:19 -07:00
zcp.c
Simplify issig().
2024-05-29 10:49:11 -07:00
zfeature.c
Allocate zap_attribute_t from kmem instead of stack
2024-10-01 13:39:08 -07:00
zfs_byteswap.c
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
zfs_chksum.c
Add generic implementation handling and SHA2 impl
2023-03-02 13:52:21 -08:00
zfs_fm.c
Adding Direct IO Support
2024-09-14 13:47:59 -07:00
zfs_fuid.c
Use list_remove_head() where possible.
2023-06-09 10:12:52 -07:00
zfs_impl.c
Add generic implementation handling and SHA2 impl
2023-03-02 13:52:21 -08:00
zfs_ioctl.c
Add ability to scrub from last scrubbed txg
2024-12-05 09:33:21 -08:00
zfs_log.c
zfs_log: add flex array fields to log record structs
2024-09-27 09:18:11 -07:00
zfs_onexit.c
Use list_remove_head() where possible.
2023-06-09 10:12:52 -07:00
zfs_quota.c
Allocate zap_attribute_t from kmem instead of stack
2024-10-01 13:39:08 -07:00
zfs_ratelimit.c
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
zfs_replay.c
zfs_log: add flex array fields to log record structs
2024-09-27 09:18:11 -07:00
zfs_rlock.c
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
zfs_sa.c
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
zfs_vnops.c
Linux: Enable Direct IO by default
2025-01-13 13:53:41 -08:00
zfs_znode.c
Support for longnames for files/directories (Linux part)
2024-10-01 13:40:27 -07:00
zil.c
zfs: add bounds checking to zil_parse (#16308)
2024-07-31 17:17:04 -07:00
zio_checksum.c
Move "no name changes" from compression to checksum table
2024-11-21 08:24:37 -08:00
zio_compress.c
Move "no name changes" from compression to checksum table
2024-11-21 08:24:37 -08:00
zio_inject.c
zinject: add "probe" device injection type
2025-02-25 22:29:33 +05:00
zio.c
arc: avoid possible deadlock in arc_read
2025-02-28 00:42:29 +05:00
zle.c
compress: change compression providers API to use ABDs
2024-08-22 16:22:24 -07:00
zrlock.c
Micro-optimize zrl_remove()
2022-11-29 09:26:03 -08:00
zthr.c
Switch from _Noreturn to __attribute__((noreturn))
2022-03-23 08:51:00 -07:00
zvol.c
zvol: implement platform-independent part of block cloning
2024-12-29 11:53:45 -08:00