mirror_zfs/module
Don Brady 44446dccdb
During pool export flush the ARC asynchronously
This also includes removing L2 vdevs asynchronously.

This commit also guarantees that spa_load_guid is unique.

The zpool reguid feature introduced the spa_load_guid, which is a
transient value used for runtime identification purposes in the ARC.
This value is not the same as the spa's persistent pool guid.

However, the value is seeded from spa_generate_load_guid() which
does not check for uniqueness against the spa_load_guid from other
pools.  Although extremely rare, you can end up with two different
pools sharing the same spa_load_guid value! So we guarantee that
the value is always unique and additionally not still in use by an
async arc flush task.

Sponsored-by: Klara, Inc.
Sponsored-by: Wasabi Technology, Inc.
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Alexander Motin <mav@FreeBSD.org>
Reviewed-by: Allan Jude <allan@klarasystems.com>
Signed-off-by: Don Brady <don.brady@klarasystems.com>
Closes #16215
2024-12-05 08:58:20 -08:00
..
avl Suppress Clang Static Analyzer false positive in the AVL tree code. 2023-03-08 13:51:21 -08:00
icp icp: remove redundant FreeBSD check 2024-05-31 15:13:59 -07:00
lua lua: add flex array field to TString type 2024-09-30 10:30:03 -07:00
nvpair xdr: header cleanup 2024-04-03 15:13:27 -07:00
os FreeBSD: Remove an incorrect assertion in zfs_getpages() 2024-12-04 14:24:50 -05:00
unicode module: unicode: remove unused tolower transformations 2024-11-04 17:26:35 -08:00
zcommon Add ability to scrub from last scrubbed txg 2024-12-04 14:21:45 -05:00
zfs During pool export flush the ARC asynchronously 2024-12-05 08:58:20 -08:00
zstd compress: change zio_compress API to use ABDs 2024-08-22 16:22:24 -07:00
.gitignore FreeBSD: Ignore symlink to i386 includes 2022-08-02 16:34:23 -07:00
Kbuild.in module: unicode: remove unused uconv.c 2024-11-01 12:12:13 -07:00
Makefile.bsd module: unicode: remove unused uconv.c 2024-11-01 12:12:13 -07:00
Makefile.in check-zstd-symbols: also ignore __pfx_ symbols 2023-09-18 09:08:41 -07:00