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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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@ -1837,7 +1837,8 @@ spa_get_slop_space(spa_t *spa)
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* deduplicated data, so since it's not useful to reserve more
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* space with more deduplicated data, we subtract that out here.
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*/
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space = spa_get_dspace(spa) - spa->spa_dedup_dspace;
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space =
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spa_get_dspace(spa) - spa->spa_dedup_dspace - brt_get_dspace(spa);
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slop = MIN(space >> spa_slop_shift, spa_max_slop);
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/*
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