BRT: Fix slop space calculation with block cloning

Similar to deduplication, the size of data duplicated by block cloning
should not be included in the slop space calculation.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Alexander Motin <mav@FreeBSD.org>
Signed-off-by: Yuxin Wang <yuxinwang9999@gmail.com>
Closes #15874
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Bi11 2024-02-13 05:53:33 +08:00 committed by GitHub
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@ -1837,7 +1837,8 @@ spa_get_slop_space(spa_t *spa)
* deduplicated data, so since it's not useful to reserve more
* space with more deduplicated data, we subtract that out here.
*/
space = spa_get_dspace(spa) - spa->spa_dedup_dspace;
space =
spa_get_dspace(spa) - spa->spa_dedup_dspace - brt_get_dspace(spa);
slop = MIN(space >> spa_slop_shift, spa_max_slop);
/*