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mirror_zfs/include/sys
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Brian Behlendorf 954fe5e1be Add interface to interface spa_get_worst_case_min_alloc() function 
Provide an interface to retrieve the lowest and highest minimum
allocation size for the normal allocation class.  This can be used
by external consumers of the DMU to estimate potential wasted
capacity when setting the recordsize for an object.

The new "min_alloc" and "max_alloc" keys are added to the pool
configuration and used by default_volblocksize() to warn when
an ineffecient block size is requested.  For older kmods which
don't yet include the new keys fallback to the previous logic.

Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: Alexander Motin <alexander.motin@TrueNAS.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #17758
2025-09-25 12:08:14 -07:00
..
crypto SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
fm Detect a slow raidz child during reads 2025-09-10 15:31:30 -07:00
fs Add interface to interface spa_get_worst_case_min_alloc() function 2025-09-25 12:08:14 -07:00
lua SPDX: license tags: MIT 2025-03-13 17:56:54 -07:00
sysevent SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
zstd SPDX: license tags: BSD-3-Clause 2025-03-13 17:56:50 -07:00
abd_impl.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
abd.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
aggsum.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
arc_impl.h enforce arc_dnode_limit 2025-07-21 10:32:01 -07:00
arc.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
asm_linkage.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
avl_impl.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
avl.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
bitmap.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
bitops.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
blake3.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
blkptr.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
bplist.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
bpobj.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
bptree.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
bqueue.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
brt_impl.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
brt.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
btree.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
dataset_kstats.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
dbuf.h Implement physical rewrites 2025-08-06 10:36:56 -07:00
ddt_impl.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
ddt.h Handle interaction between gang blocks, copies, and FDT. 2025-04-21 11:26:30 -04:00
dmu_impl.h dnode: remove dn_dirtyctx and dnode_dirtycontext 2025-08-21 06:05:38 -07:00
dmu_objset.h Relax special_small_blocks restrictions 2025-07-02 11:11:37 -07:00
dmu_recv.h cred: properly pass and test creds on other threads (#17273) 2025-04-29 16:27:48 -07:00
dmu_redact.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
dmu_send.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
dmu_traverse.h Allow physical rewrite without logical 2025-08-06 10:36:07 -07:00
dmu_tx.h dmu_tx: break tx assign/wait when pool suspends 2025-05-28 10:28:51 -07:00
dmu_zfetch.h Wire O_DIRECT also to Uncached I/O (#17218) 2025-05-13 14:26:55 -07:00
dmu.h Fix txg_log_time ZAP key typo 2025-09-15 12:44:01 -07:00
dnode.h dnode: remove dn_dirtyctx and dnode_dirtycontext 2025-08-21 06:05:38 -07:00
dsl_bookmark.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
dsl_crypt.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
dsl_dataset.h dsl_dataset: rename dmu_objset_clone* to dsl_dataset_clone* 2025-06-10 14:52:43 -07:00
dsl_deadlist.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
dsl_deleg.h ZFS allow send:encrypted 2025-09-12 15:05:02 -07:00
dsl_destroy.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
dsl_dir.h cred: properly pass and test creds on other threads (#17273) 2025-04-29 16:27:48 -07:00
dsl_pool.h Unified allocation throttling (#17020) 2025-03-24 09:25:01 -07:00
dsl_prop.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
dsl_scan.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
dsl_synctask.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
dsl_userhold.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
edonr.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
efi_partition.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
frame.h Linux build: silence objtool warnings 2025-06-04 17:40:09 -07:00
hkdf.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
metaslab_impl.h range_tree: Provide more debug details upon unexpected add/remove 2025-07-31 10:44:42 -04:00
metaslab.h metaslab: don't pass whole zio to throttle reserve APIs 2025-07-04 23:22:22 -04:00
mmp.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
mntent.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
multilist.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
nvpair_impl.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
nvpair.h nvlist: Add nvlist_snprintf() and zfs_dbgmsg_nvlist() 2025-04-18 09:22:16 -04:00
objlist.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
pathname.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
qat.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
range_tree.h range_tree: Provide more debug details upon unexpected add/remove 2025-07-31 10:44:42 -04:00
rrwlock.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
sa_impl.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
sa.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
sha2.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
skein.h SPDX: license tags: LicenseRef-OpenZFS-ThirdParty-PublicDomain 2025-03-13 17:57:31 -07:00
spa_checkpoint.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
spa_checksum.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
spa_impl.h Add interface to interface spa_get_worst_case_min_alloc() function 2025-09-25 12:08:14 -07:00
spa_log_spacemap.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
spa.h Add interface to interface spa_get_worst_case_min_alloc() function 2025-09-25 12:08:14 -07:00
space_map.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
space_reftree.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
sysevent.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
txg_impl.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
txg.h txg_wait_synced_flags: add TXG_WAIT_SUSPEND flag to not wait if pool suspended 2025-05-28 10:27:46 -07:00
u8_textprep_data.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
u8_textprep.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
uberblock_impl.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
uberblock.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
uio_impl.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
unique.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
uuid.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
vdev_disk.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
vdev_draid.h Implement allocation size ranges and use for gang leaves (#17111) 2025-05-02 15:32:18 -07:00
vdev_file.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
vdev_impl.h Detect a slow raidz child during reads 2025-09-10 15:31:30 -07:00
vdev_indirect_births.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
vdev_indirect_mapping.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
vdev_initialize.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
vdev_raidz_impl.h Detect a slow raidz child during reads 2025-09-10 15:31:30 -07:00
vdev_raidz.h Detect a slow raidz child during reads 2025-09-10 15:31:30 -07:00
vdev_rebuild.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
vdev_removal.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
vdev_trim.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
vdev.h Fix dynamic gang block headers on raidz and mirror devices 2025-08-06 09:50:58 -07:00
xvattr.h Add support for FreeBSD's Solaris style extended attribute interface 2025-07-30 09:49:43 -07:00
zap_impl.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
zap_leaf.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
zap.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
zcp_global.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
zcp_iter.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
zcp_prop.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
zcp_set.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
zcp.h cred: properly pass and test creds on other threads (#17273) 2025-04-29 16:27:48 -07:00
zfeature.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
zfs_acl.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
zfs_bootenv.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
zfs_chksum.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
zfs_context.h Skip dbuf_evict_one() from dbuf_evict_notify() for reclaim thread 2025-08-01 16:47:41 -07:00
zfs_debug.h nvlist: Add nvlist_snprintf() and zfs_dbgmsg_nvlist() 2025-04-18 09:22:16 -04:00
zfs_delay.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
zfs_file.h Enable zhack to work properly with 4k sector size disks 2025-09-10 15:01:32 -07:00
zfs_fuid.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
zfs_impl.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
zfs_ioctl_impl.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
zfs_ioctl.h zfs_cmd: reorganise zfs_cmd_t to match original size 2025-05-27 20:01:06 -04:00
zfs_onexit.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
zfs_project.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
zfs_quota.h Show default quotas in zfs userspace tools 2025-04-03 10:36:45 -07:00
zfs_racct.h Wire O_DIRECT also to Uncached I/O (#17218) 2025-05-13 14:26:55 -07:00
zfs_ratelimit.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
zfs_refcount.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
zfs_rlock.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
zfs_sa.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
zfs_stat.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
zfs_sysfs.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
zfs_vfsops.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
zfs_vnops.h Introduce zfs rewrite subcommand (#17246) 2025-05-12 10:22:17 -07:00
zfs_znode.h Prefer VERIFY0(n) over VERIFY(n == 0) 2025-08-07 11:40:59 -07:00
zil_impl.h ZIL: Make allocations more flexible 2025-08-14 08:50:17 -07:00
zil.h ZIL: add zil_commit_flags() to make honouring failmode= optional 2025-08-08 16:43:33 -07:00
zio_checksum.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
zio_compress.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
zio_crypt.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
zio_impl.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
zio.h Fix the build on 32-bit FreeBSD with GCC 2025-09-09 17:06:37 -07:00
zrlock.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
zthr.h SPDX: license tags: CDDL-1.0 2025-03-13 17:56:27 -07:00
zvol_impl.h zvol_remove_minors_impl: remove all async fallbacks 2025-08-19 10:06:47 -07:00
zvol.h zvol: reject suspend attempts when zvol is shutting down 2025-09-09 17:04:32 -07:00