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 <[email protected]> Reviewed-by: Alexander Motin <[email protected]> Signed-off-by: Yuxin Wang <[email protected]> Closes #15874
openzfs · Feb 12, 2024 · 6cc93cc · 6cc93cc
1 parent 79c6dff
commit 6cc93cc
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/module/zfs/spa_misc.c b/module/zfs/spa_misc.c
@@ -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);
 
 	/*