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mirror_zfs/module/zfs
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shodanshok a7a144e655 enforce arc_dnode_limit 
Linux kernel shrinker in the context of null/root memcg does not scan
dentry and inode caches added by a task running in non-root memcg. For
ZFS this means that dnode cache routinely overflows, evicting valuable
meta/data and putting additional memory pressure on the system.

This patch restores zfs_prune_aliases as fallback when the kernel
shrinker does nothing, enabling zfs to actually free dnodes. Moreover,
it (indirectly) calls arc_evict when dnode_size > dnode_limit.

Reviewed-by: Rob Norris <robn@despairlabs.com>
Reviewed-by: Alexander Motin <mav@FreeBSD.org>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Gionatan Danti <g.danti@assyoma.it>
Closes #17487
Closes #17542
2025-07-21 10:32:01 -07:00
..
abd.c
Export correct symbols for Lustre Direct I/O
2025-04-24 13:55:21 -04:00
aggsum.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
arc.c
enforce arc_dnode_limit
2025-07-21 10:32:01 -07:00
blake3_zfs.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
blkptr.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
bplist.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
bpobj.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
bptree.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
bqueue.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
brt.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
btree.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
dataset_kstats.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
dbuf_stats.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
dbuf.c
Improve block cloning transactions accounting
2025-06-11 11:59:16 -07:00
ddt_log.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
ddt_stats.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
ddt_zap.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
ddt.c
Improve allocation fallback handling
2025-05-31 19:12:16 -04:00
dmu_diff.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
dmu_direct.c
zio: rename io_reexecute as io_post; use it for the direct IO checksum error flag
2025-07-04 23:16:14 -04:00
dmu_object.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
dmu_objset.c
Relax special_small_blocks restrictions
2025-07-02 11:11:37 -07:00
dmu_recv.c
Wire O_DIRECT also to Uncached I/O (#17218)
2025-05-13 14:26:55 -07:00
dmu_redact.c
dmu_tx_assign: make all VERIFY0 calls use DMU_TX_SUSPEND
2025-05-28 10:28:59 -07:00
dmu_send.c
Fix 2 bugs in non-raw send with encryption
2025-05-19 09:55:00 -07:00
dmu_traverse.c
dmu_traverse: remove 'ignore_hole_birth' tunable alias
2025-05-27 15:05:09 -07:00
dmu_tx.c
Clarify and restrict dmu_tx_assign() errors
2025-06-23 15:48:30 -04:00
dmu_zfetch.c
Wire O_DIRECT also to Uncached I/O (#17218)
2025-05-13 14:26:55 -07:00
dmu.c
Ensure that gang_copies is always at least as large as copies
2025-06-25 12:05:36 -04:00
dnode_sync.c
Wire O_DIRECT also to Uncached I/O (#17218)
2025-05-13 14:26:55 -07:00
dnode.c
Polish db_rwlock scope
2025-06-11 11:13:48 -07:00
dsl_bookmark.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
dsl_crypt.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
dsl_dataset.c
dsl_dataset: rename dmu_objset_clone* to dsl_dataset_clone*
2025-06-10 14:52:43 -07:00
dsl_deadlist.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
dsl_deleg.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
dsl_destroy.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
dsl_dir.c
Clarify and restrict dmu_tx_assign() errors
2025-06-23 15:48:30 -04:00
dsl_pool.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
dsl_prop.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
dsl_scan.c
scrub: generate scrub_finish event
2025-06-06 22:43:10 -04:00
dsl_synctask.c
dmu_tx_assign: make all VERIFY0 calls use DMU_TX_SUSPEND
2025-05-28 10:28:59 -07:00
dsl_userhold.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
edonr_zfs.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
fm.c
tunables: ensure tunable and variable have same define gate
2025-05-28 16:50:22 -07:00
gzip.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
hkdf.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
lz4_zfs.c
SPDX: license tags: BSD-2-Clause
2025-03-13 17:56:46 -07:00
lz4.c
SPDX: license tags: BSD-2-Clause
2025-03-13 17:56:46 -07:00
lzjb.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
metaslab.c
Allow and prefer special vdevs as ZIL
2025-07-18 18:44:14 -07:00
mmp.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
multilist.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
objlist.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
pathname.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
range_tree.c
Fix off-by-one bug in range tree code
2025-05-23 10:33:33 -04:00
refcount.c
Implement allocation size ranges and use for gang leaves (#17111)
2025-05-02 15:32:18 -07:00
rrwlock.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
sa.c
Wire O_DIRECT also to Uncached I/O (#17218)
2025-05-13 14:26:55 -07:00
sha2_zfs.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
skein_zfs.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
spa_checkpoint.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
spa_config.c
tunables: ensure tunable and variable have same define gate
2025-05-28 16:50:22 -07:00
spa_errlog.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
spa_history.c
dmu_tx: rename dmu_tx_assign() flags from TXG_* to DMU_TX_* (#17143)
2025-03-18 16:04:22 -07:00
spa_log_spacemap.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
spa_misc.c
Allow and prefer special vdevs as ZIL
2025-07-18 18:44:14 -07:00
spa_stats.c
Wire O_DIRECT also to Uncached I/O (#17218)
2025-05-13 14:26:55 -07:00
spa.c
Allow and prefer special vdevs as ZIL
2025-07-18 18:44:14 -07:00
space_map.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
space_reftree.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -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
txg_wait_synced_flags: add TXG_WAIT_SUSPEND flag to not wait if pool suspended
2025-05-28 10:27:46 -07:00
uberblock.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
unique.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
vdev_draid_rand.c
SPDX: license tags: LicenseRef-OpenZFS-ThirdParty-PublicDomain
2025-03-13 17:57:31 -07:00
vdev_draid.c
Fix other nonrot bugs
2025-06-19 09:25:58 -04:00
vdev_file.c
Implement allocation size ranges and use for gang leaves (#17111)
2025-05-02 15:32:18 -07:00
vdev_indirect_births.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
vdev_indirect_mapping.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
vdev_indirect.c
zio: rename io_reexecute as io_post; use it for the direct IO checksum error flag
2025-07-04 23:16:14 -04:00
vdev_initialize.c
dmu_tx_assign: make all VERIFY0 calls use DMU_TX_SUSPEND
2025-05-28 10:28:59 -07:00
vdev_label.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
vdev_mirror.c
zio: rename io_reexecute as io_post; use it for the direct IO checksum error flag
2025-07-04 23:16:14 -04:00
vdev_missing.c
Implement allocation size ranges and use for gang leaves (#17111)
2025-05-02 15:32:18 -07:00
vdev_queue.c
Unified allocation throttling (#17020)
2025-03-24 09:25:01 -07:00
vdev_raidz_math_aarch64_neon_common.h
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
vdev_raidz_math_aarch64_neon.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
vdev_raidz_math_aarch64_neonx2.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
vdev_raidz_math_avx2.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
vdev_raidz_math_avx512bw.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
vdev_raidz_math_avx512f.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
vdev_raidz_math_impl.h
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
vdev_raidz_math_powerpc_altivec_common.h
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
vdev_raidz_math_powerpc_altivec.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
vdev_raidz_math_scalar.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
vdev_raidz_math_sse2.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
vdev_raidz_math_ssse3.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
vdev_raidz_math.c
tunables: don't assert initialisation in impl getters
2025-05-28 16:50:22 -07:00
vdev_raidz.c
zio: rename io_reexecute as io_post; use it for the direct IO checksum error flag
2025-07-04 23:16:14 -04:00
vdev_rebuild.c
dmu_tx_assign: make all VERIFY0 calls use DMU_TX_SUSPEND
2025-05-28 10:28:59 -07:00
vdev_removal.c
dmu_tx_assign: make all VERIFY0 calls use DMU_TX_SUSPEND
2025-05-28 10:28:59 -07:00
vdev_root.c
Implement allocation size ranges and use for gang leaves (#17111)
2025-05-02 15:32:18 -07:00
vdev_trim.c
dmu_tx_assign: make all VERIFY0 calls use DMU_TX_SUSPEND
2025-05-28 10:28:59 -07:00
vdev.c
Allow and prefer special vdevs as ZIL
2025-07-18 18:44:14 -07:00
zap_leaf.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
zap_micro.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
zap.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
zcp_get.c
zcp: get_prop: fix encryptionroot and encryption
2025-05-27 20:04:37 -04:00
zcp_global.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
zcp_iter.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
zcp_set.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
zcp_synctask.c
zcp_synctask: add zfs.sync.clone()
2025-06-10 14:53:10 -07:00
zcp.c
txg: generalise txg_wait_synced_sig() to txg_wait_synced_flags() (#17284)
2025-05-02 15:29:50 -07:00
zfeature.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
zfs_byteswap.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
zfs_chksum.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
zfs_debug_common.c
nvlist: Add nvlist_snprintf() and zfs_dbgmsg_nvlist()
2025-04-18 09:22:16 -04:00
zfs_fm.c
events: include zio type in IO error reports
2025-05-30 10:29:29 -04:00
zfs_fuid.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
zfs_impl.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
zfs_ioctl.c
Relax special_small_blocks restrictions
2025-07-02 11:11:37 -07:00
zfs_log.c
Allow and prefer special vdevs as ZIL
2025-07-18 18:44:14 -07:00
zfs_onexit.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
zfs_quota.c
Show default quotas in zfs userspace tools
2025-04-03 10:36:45 -07:00
zfs_ratelimit.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
zfs_replay.c
dmu_tx: rename dmu_tx_assign() flags from TXG_* to DMU_TX_* (#17143)
2025-03-18 16:04:22 -07:00
zfs_rlock.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
zfs_sa.c
dmu_tx: rename dmu_tx_assign() flags from TXG_* to DMU_TX_* (#17143)
2025-03-18 16:04:22 -07:00
zfs_vnops.c
Improve block cloning transactions accounting
2025-06-11 11:59:16 -07:00
zfs_znode.c
Add default user/group/project quota properties
2025-04-03 10:35:22 -07:00
zil.c
Allow and prefer special vdevs as ZIL
2025-07-18 18:44:14 -07:00
zio_checksum.c
Implement dynamic gang header sizes
2025-07-09 14:02:53 -07:00
zio_compress.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
zio_inject.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
zio.c
Allow and prefer special vdevs as ZIL
2025-07-18 18:44:14 -07:00
zle.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
zrlock.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
zthr.c
SPDX: license tags: CDDL-1.0
2025-03-13 17:56:27 -07:00
zvol.c
Allow and prefer special vdevs as ZIL
2025-07-18 18:44:14 -07:00