bcachefs: Fix missing BTREE_TRIGGER_bucket_invalidate flag

This fixes an accounting mismatch for cached data.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

Author: Kent Overstreet

fs/bcachefs/alloc_background.c

@@ -477,15 +477,16 @@ bch2_trans_start_alloc_update_noupdate(struct btree_trans *trans, struct btree_i
 }
 
 __flatten
-struct bkey_i_alloc_v4 *bch2_trans_start_alloc_update(struct btree_trans *trans, struct bpos pos)
+struct bkey_i_alloc_v4 *bch2_trans_start_alloc_update(struct btree_trans *trans, struct bpos pos,
+						      enum btree_iter_update_trigger_flags flags)
 {
 	struct btree_iter iter;
 	struct bkey_i_alloc_v4 *a = bch2_trans_start_alloc_update_noupdate(trans, &iter, pos);
 	int ret = PTR_ERR_OR_ZERO(a);
 	if (ret)
 		return ERR_PTR(ret);
 
-	ret = bch2_trans_update(trans, &iter, &a->k_i, 0);
+	ret = bch2_trans_update(trans, &iter, &a->k_i, flags);
 	bch2_trans_iter_exit(trans, &iter);
 	return unlikely(ret) ? ERR_PTR(ret) : a;
 }
@@ -2006,7 +2007,7 @@ static int invalidate_one_bucket(struct btree_trans *trans,
 	if (bch2_bucket_is_open_safe(c, bucket.inode, bucket.offset))
 		return 0;
 
-	a = bch2_trans_start_alloc_update(trans, bucket);
+	a = bch2_trans_start_alloc_update(trans, bucket, BTREE_TRIGGER_bucket_invalidate);
 	ret = PTR_ERR_OR_ZERO(a);
 	if (ret)
 		goto out;

fs/bcachefs/alloc_background.h

@@ -206,7 +206,8 @@ static inline void set_alloc_v4_u64s(struct bkey_i_alloc_v4 *a)
 struct bkey_i_alloc_v4 *
 bch2_trans_start_alloc_update_noupdate(struct btree_trans *, struct btree_iter *, struct bpos);
 struct bkey_i_alloc_v4 *
-bch2_trans_start_alloc_update(struct btree_trans *, struct bpos);
+bch2_trans_start_alloc_update(struct btree_trans *, struct bpos,
+			      enum btree_iter_update_trigger_flags);
 
 void __bch2_alloc_to_v4(struct bkey_s_c, struct bch_alloc_v4 *);
 

fs/bcachefs/buckets.c

@@ -569,7 +569,7 @@ static int bch2_trigger_pointer(struct btree_trans *trans,
 	*sectors = insert ? bp.bucket_len : -((s64) bp.bucket_len);
 
 	if (flags & BTREE_TRIGGER_transactional) {
-		struct bkey_i_alloc_v4 *a = bch2_trans_start_alloc_update(trans, bucket);
+		struct bkey_i_alloc_v4 *a = bch2_trans_start_alloc_update(trans, bucket, 0);
 		ret = PTR_ERR_OR_ZERO(a) ?:
 			__mark_pointer(trans, ca, k, &p, *sectors, bp.data_type, &a->v);
 		if (ret)

fs/bcachefs/ec.c

@@ -283,7 +283,7 @@ static int mark_stripe_bucket(struct btree_trans *trans,
 
 	if (flags & BTREE_TRIGGER_transactional) {
 		struct bkey_i_alloc_v4 *a =
-			bch2_trans_start_alloc_update(trans, bucket);
+			bch2_trans_start_alloc_update(trans, bucket, 0);
 		ret = PTR_ERR_OR_ZERO(a) ?:
 			__mark_stripe_bucket(trans, ca, s, ptr_idx, deleting, bucket, &a->v, flags);
 	}