bcachefs: Kill BCH_WRITE_JOURNAL_SEQ_PTR

Dead code, delete.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

fs/bcachefs/data_update.c

@@ -226,7 +226,7 @@ int bch2_data_update_index_update(struct bch_write_op *op)
 			bch2_trans_update(&trans, &iter, insert,
 				BTREE_UPDATE_INTERNAL_SNAPSHOT_NODE) ?:
 			bch2_trans_commit(&trans, &op->res,
-				op_journal_seq(op),
+				&op->journal_seq,
 				BTREE_INSERT_NOFAIL|
 				m->data_opts.btree_insert_flags);
 		if (!ret) {

fs/bcachefs/io.c

@@ -507,7 +507,7 @@ static int bch2_write_index_default(struct bch_write_op *op)
 				     BTREE_ITER_SLOTS|BTREE_ITER_INTENT);
 
 		ret = bch2_extent_update(&trans, inum, &iter, sk.k,
-					 &op->res, op_journal_seq(op),
+					 &op->res, &op->journal_seq,
 					 op->new_i_size, &op->i_sectors_delta,
 					 op->flags & BCH_WRITE_CHECK_ENOSPC);
 		bch2_trans_iter_exit(&trans, &iter);
@@ -776,7 +776,7 @@ void bch2_write_point_do_index_updates(struct work_struct *work)
 			__bch2_write(op);
 		} else if (!op->error && (op->flags & BCH_WRITE_FLUSH)) {
 			bch2_journal_flush_seq_async(&op->c->journal,
-						     *op_journal_seq(op),
+						     op->journal_seq,
 						     &op->cl);
 			continue_at(&op->cl, bch2_write_done, index_update_wq(op));
 		} else {

fs/bcachefs/io.h

@@ -40,7 +40,6 @@ enum bch_write_flags {
 	__BCH_WRITE_FROM_INTERNAL,
 	__BCH_WRITE_CHECK_ENOSPC,
 	__BCH_WRITE_MOVE,
-	__BCH_WRITE_JOURNAL_SEQ_PTR,
 	__BCH_WRITE_IN_WORKER,
 	__BCH_WRITE_DONE,
 	__BCH_WRITE_IO_ERROR,
@@ -59,17 +58,10 @@ enum bch_write_flags {
 #define BCH_WRITE_MOVE			(1U << __BCH_WRITE_MOVE)
 
 /* Internal: */
-#define BCH_WRITE_JOURNAL_SEQ_PTR	(1U << __BCH_WRITE_JOURNAL_SEQ_PTR)
 #define BCH_WRITE_IN_WORKER		(1U << __BCH_WRITE_IN_WORKER)
 #define BCH_WRITE_DONE			(1U << __BCH_WRITE_DONE)
 #define BCH_WRITE_IO_ERROR		(1U << __BCH_WRITE_IO_ERROR)
 
-static inline u64 *op_journal_seq(struct bch_write_op *op)
-{
-	return (op->flags & BCH_WRITE_JOURNAL_SEQ_PTR)
-		? op->journal_seq_p : &op->journal_seq;
-}
-
 static inline struct workqueue_struct *index_update_wq(struct bch_write_op *op)
 {
 	return op->alloc_reserve == RESERVE_movinggc

fs/bcachefs/io_types.h

@@ -142,14 +142,7 @@ struct bch_write_op {
 
 	struct open_buckets	open_buckets;
 
-	/*
-	 * If caller wants to flush but hasn't passed us a journal_seq ptr, we
-	 * still need to stash the journal_seq somewhere:
-	 */
-	union {
-		u64			*journal_seq_p;
-		u64			journal_seq;
-	};
+	u64			journal_seq;
 	u64			new_i_size;
 	s64			i_sectors_delta;