mirror_zfs/module
Don Brady 6b67a5bdd3 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
2025-06-17 10:50:26 -07:00
..
avl SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
icp Linux build: silence objtool warnings 2025-06-17 10:50:26 -07:00
lua SPDX: license tags: MIT 2025-04-16 09:59:44 -07:00
nvpair SPDX: license tags: CDDL-1.0 2025-04-16 09:59:44 -07:00
os FreeBSD: zfs_putpages: don't undirty pages until after write completes 2025-06-17 10:50:26 -07:00
unicode [2.3.2] uconv: add SPDX license tag 2025-04-16 09:59:45 -07:00
zcommon GCC 15: Fix unterminated-string-initialization (#17244) 2025-04-16 09:59:45 -07:00
zfs During pool export flush the ARC asynchronously 2025-06-17 10:50:26 -07:00
zstd SPDX: license tags: BSD-3-Clause OR GPL-2.0-only 2025-04-16 09:59:44 -07:00
.gitignore FreeBSD: Ignore symlink to i386 includes 2022-08-02 16:34:23 -07:00
Kbuild.in Linux build: always use objtool 2025-06-17 10:50:26 -07:00
Makefile.bsd freebsd: unbreak module/Makefile.bsd build on 15-CURRENT-arm64 2025-04-16 09:59:45 -07:00
Makefile.in Fix "make install" with DESTDIR set (#16995) 2025-02-28 00:42:29 +05:00