mirror_zfs/module/zfs
Paul Dagnelie a981cb69e4 Implement dynamic gang header sizes
ZFS gang block headers are currently fixed at 512 bytes. This is
increasingly wasteful in the era of larger disk sector sizes. This PR
allows any size allocation to work as a gang header. It also contains
supporting changes to ZDB to make gang headers easier to work with.

Sponsored-by: Klara, Inc.
Sponsored-by: Wasabi Technology, Inc.
Reviewed-by: Alexander Motin <mav@FreeBSD.org>
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Rob Norris <rob.norris@klarasystems.com>
Reviewed-by: Allan Jude <allan@klarasystems.com>
Signed-off-by: Paul Dagnelie <paul.dagnelie@klarasystems.com>
Closes #17004
2025-07-09 14:02:53 -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 tunables: ensure tunable and variable have same define gate 2025-05-28 16:50:22 -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 Implement dynamic gang header sizes 2025-07-09 14:02:53 -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 Improve allocation fallback handling 2025-05-31 19:12:16 -04:00
spa_stats.c Wire O_DIRECT also to Uncached I/O (#17218) 2025-05-13 14:26:55 -07:00
spa.c spa: ZIO_TASKQ_ISSUE: Use symbolic priority 2025-06-30 10:24:23 -04:00
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 Fix other nonrot bugs 2025-06-19 09:25:58 -04:00
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 zfs_log_write: only put the callback on the last itx 2025-06-12 14:44:33 -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 ZIL: Relax parallel write ZIOs processing 2025-06-14 09:37:18 -04:00
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 Implement dynamic gang header sizes 2025-07-09 14:02:53 -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 Improve block cloning transactions accounting 2025-06-11 11:59:16 -07:00