mirror_zfs

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Alexander Motin 135103a648 Defer async destroys on pool import

We've observed a number of cases when pool import stuck for many
minutes due to large async destroy trying to load DDT or BRT from
HDD pool.  While proper destroy dosage is a separate problem,
lets give import process a chance to complete before that at all.
It may be not enough if there is a lot of ZIL to replay, but that
is harder to cover, since those are in separate syscalls.

Code investigation shown that we already have this mechanism used
for scrub/resilver, so this patch converts SCAN_IMPORT_WAIT_TXGS
into a tunable and applies it to async destroys also.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Alexander Motin <alexander.motin@TrueNAS.com>
Closes #18033

2026-02-05 13:48:30 -08:00

avl

Prefer VERIFY0P(n) over VERIFY(n == NULL)

2025-08-07 11:41:37 -07:00

icp

sha256_generic: make internal functions a little more private

2025-10-21 09:50:43 -07:00

lua

SPDX: license tags: MIT

2025-03-13 17:56:54 -07:00

nvpair

Prefer VERIFY0P(n) over VERIFY3P(n, ==, NULL)