bcachefs: __mark_pointer now takes bch_alloc_v4

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

fs/bcachefs/alloc_background.c

@@ -263,7 +263,7 @@ int bch2_alloc_v4_invalid(struct bch_fs *c, struct bkey_s_c k,
 	case BCH_DATA_free:
 	case BCH_DATA_need_gc_gens:
 	case BCH_DATA_need_discard:
-		bkey_fsck_err_on(bch2_bucket_sectors(*a.v) || a.v->stripe,
+		bkey_fsck_err_on(bch2_bucket_sectors_total(*a.v) || a.v->stripe,
 				 c, err, alloc_key_empty_but_have_data,
 				 "empty data type free but have data");
 		break;
@@ -743,7 +743,7 @@ int bch2_trigger_alloc(struct btree_trans *trans,
 
 		alloc_data_type_set(new_a, new_a->data_type);
 
-		if (bch2_bucket_sectors(*new_a) > bch2_bucket_sectors(*old_a)) {
+		if (bch2_bucket_sectors_total(*new_a) > bch2_bucket_sectors_total(*old_a)) {
 			new_a->io_time[READ] = max_t(u64, 1, atomic64_read(&c->io_clock[READ].now));
 			new_a->io_time[WRITE]= max_t(u64, 1, atomic64_read(&c->io_clock[WRITE].now));
 			SET_BCH_ALLOC_V4_NEED_INC_GEN(new_a, true);
@@ -1703,7 +1703,7 @@ static int bch2_discard_one_bucket(struct btree_trans *trans,
 	if (ret)
 		goto out;
 
-	if (a->v.dirty_sectors) {
+	if (bch2_bucket_sectors_total(a->v)) {
 		if (bch2_trans_inconsistent_on(c->curr_recovery_pass > BCH_RECOVERY_PASS_check_alloc_info,
 					       trans, "attempting to discard bucket with dirty data\n%s",
 					       (bch2_bkey_val_to_text(&buf, c, k), buf.buf)))

fs/bcachefs/alloc_background.h

@@ -39,13 +39,22 @@ static inline u8 alloc_gc_gen(struct bch_alloc_v4 a)
 	return a.gen - a.oldest_gen;
 }
 
-static inline void __bucket_m_to_alloc(struct bch_alloc_v4 *dst, struct bucket b)
+static inline void alloc_to_bucket(struct bucket *dst, struct bch_alloc_v4 src)
 {
-	dst->gen		= b.gen;
-	dst->data_type		= b.data_type;
-	dst->dirty_sectors	= b.dirty_sectors;
-	dst->cached_sectors	= b.cached_sectors;
-	dst->stripe		= b.stripe;
+	dst->gen		= src.gen;
+	dst->data_type		= src.data_type;
+	dst->dirty_sectors	= src.dirty_sectors;
+	dst->cached_sectors	= src.cached_sectors;
+	dst->stripe		= src.stripe;
+}
+
+static inline void __bucket_m_to_alloc(struct bch_alloc_v4 *dst, struct bucket src)
+{
+	dst->gen		= src.gen;
+	dst->data_type		= src.data_type;
+	dst->dirty_sectors	= src.dirty_sectors;
+	dst->cached_sectors	= src.cached_sectors;
+	dst->stripe		= src.stripe;
 }
 
 static inline struct bch_alloc_v4 bucket_m_to_alloc(struct bucket b)
@@ -73,7 +82,7 @@ static inline bool bucket_data_type_mismatch(enum bch_data_type bucket,
 		bucket_data_type(bucket) != bucket_data_type(ptr);
 }
 
-static inline unsigned bch2_bucket_sectors(struct bch_alloc_v4 a)
+static inline unsigned bch2_bucket_sectors_total(struct bch_alloc_v4 a)
 {
 	return a.dirty_sectors + a.cached_sectors;
 }

fs/bcachefs/buckets.c

@@ -943,23 +943,18 @@ static int __mark_pointer(struct btree_trans *trans,
 			  struct bkey_s_c k,
 			  const struct bch_extent_ptr *ptr,
 			  s64 sectors, enum bch_data_type ptr_data_type,
-			  u8 bucket_gen, u8 *bucket_data_type,
-			  u32 *dirty_sectors, u32 *cached_sectors)
+			  struct bch_alloc_v4 *a)
 {
 	u32 *dst_sectors = !ptr->cached
-		? dirty_sectors
-		: cached_sectors;
+		? &a->dirty_sectors
+		: &a->cached_sectors;
 	int ret = bch2_bucket_ref_update(trans, k, ptr, sectors, ptr_data_type,
-					 bucket_gen, *bucket_data_type, dst_sectors);
+					 a->gen, a->data_type, dst_sectors);
 
 	if (ret)
 		return ret;
 
-	if (!*dirty_sectors && !*cached_sectors)
-		*bucket_data_type = 0;
-	else if (*bucket_data_type != BCH_DATA_stripe)
-		*bucket_data_type = ptr_data_type;
-
+	alloc_data_type_set(a, ptr_data_type);
 	return 0;
 }
 
@@ -984,9 +979,7 @@ static int bch2_trigger_pointer(struct btree_trans *trans,
 		if (ret)
 			return ret;
 
-		ret = __mark_pointer(trans, k, &p.ptr, *sectors, bp.data_type,
-				     a->v.gen, &a->v.data_type,
-				     &a->v.dirty_sectors, &a->v.cached_sectors) ?:
+		ret = __mark_pointer(trans, k, &p.ptr, *sectors, bp.data_type, &a->v) ?:
 			bch2_trans_update(trans, &iter, &a->k_i, 0);
 		bch2_trans_iter_exit(trans, &iter);
 
@@ -1003,30 +996,20 @@ static int bch2_trigger_pointer(struct btree_trans *trans,
 	if (flags & BTREE_TRIGGER_gc) {
 		struct bch_fs *c = trans->c;
 		struct bch_dev *ca = bch2_dev_bkey_exists(c, p.ptr.dev);
-		enum bch_data_type data_type = bch2_bkey_ptr_data_type(k, p, entry);
 
 		percpu_down_read(&c->mark_lock);
-		struct bucket *g = PTR_GC_BUCKET(ca, &p.ptr);
+		struct bucket *g = gc_bucket(ca, bucket.offset);
 		bucket_lock(g);
-		struct bch_alloc_v4 old = bucket_m_to_alloc(*g);
-
-		u8 bucket_data_type = g->data_type;
-		int ret = __mark_pointer(trans, k, &p.ptr, *sectors,
-				     data_type, g->gen,
-				     &bucket_data_type,
-				     &g->dirty_sectors,
-				     &g->cached_sectors);
-		if (ret) {
-			bucket_unlock(g);
-			percpu_up_read(&c->mark_lock);
-			return ret;
-		}
+		struct bch_alloc_v4 old = bucket_m_to_alloc(*g), new = old;
 
-		g->data_type = bucket_data_type;
-		struct bch_alloc_v4 new = bucket_m_to_alloc(*g);
+		int ret = __mark_pointer(trans, k, &p.ptr, *sectors, bp.data_type, &new);
+		if (!ret) {
+			alloc_to_bucket(g, new);
+			bch2_dev_usage_update(c, ca, &old, &new, 0, true);
+		}
 		bucket_unlock(g);
-		bch2_dev_usage_update(c, ca, &old, &new, 0, true);
 		percpu_up_read(&c->mark_lock);
+		return ret;
 	}
 
 	return 0;