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L2ARC: Stop rebuild before setting spa_final_txg

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Without doing that there is a race window on export when history
log write by completed rebuild dirties transaction beyond final,
triggering assertion.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: George Amanakis <gamanakis@gmail.com>
Signed-off-by: Alexander Motin <mav@FreeBSD.org>
Sponsored by: iXsystems, Inc.
Closes #16714
Closes #16782
This commit is contained in:
Alexander Motin
2024-11-20 09:11:51 -05:00
committed by Brian Behlendorf
parent f7675ae30f
commit 3f9af023f6
3 changed files with 35 additions and 3 deletions
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include/sys/arc.h
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@@ -347,6 +347,7 @@ void l2arc_fini(void);
void l2arc_start(void);
void l2arc_stop(void);
void l2arc_spa_rebuild_start(spa_t *spa);
void l2arc_spa_rebuild_stop(spa_t *spa);
#ifndef _KERNEL
extern boolean_t arc_watch;