bcachefs: Kill BTREE_TRIGGER_bucket_invalidate

Signed-off-by: Alan Huang <mmpgouride@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

fs/bcachefs/alloc_background.c

@@ -914,15 +914,6 @@ int bch2_trigger_alloc(struct btree_trans *trans,
 				goto err;
 		}
 
-		if ((flags & BTREE_TRIGGER_bucket_invalidate) &&
-		    old_a->cached_sectors) {
-			ret = bch2_mod_dev_cached_sectors(trans, ca->dev_idx,
-					 -((s64) old_a->cached_sectors),
-					 flags & BTREE_TRIGGER_gc);
-			if (ret)
-				goto err;
-		}
-
 		ret = bch2_alloc_key_to_dev_counters(trans, ca, old_a, new_a, flags);
 		if (ret)
 			goto err;

fs/bcachefs/btree_types.h

@@ -258,9 +258,6 @@ struct btree_node_iter {
  *
  * BTREE_TRIGGER_insert - @new is entering the btree
  * BTREE_TRIGGER_overwrite - @old is leaving the btree
- *
- * BTREE_TRIGGER_bucket_invalidate - signal from bucket invalidate path to alloc
- * trigger
  */
 #define BTREE_TRIGGER_FLAGS()			\
 	x(norun)				\
@@ -270,8 +267,7 @@ struct btree_node_iter {
 	x(gc)					\
 	x(insert)				\
 	x(overwrite)				\
-	x(is_root)				\
-	x(bucket_invalidate)
+	x(is_root)
 
 enum {
 #define x(n) BTREE_ITER_FLAG_BIT_##n,