bcachefs: Error ratelimiting is no longer only during fsck

We now more often do repair automatically, without the user invoking
fsck - and sometimes that can involve fixing lots of errors, so let's
avoid flooding the dmesg log.

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

fs/bcachefs/error.c

@@ -272,9 +272,6 @@ static struct fsck_err_state *fsck_err_get(struct bch_fs *c,
 {
 	struct fsck_err_state *s;
 
-	if (!test_bit(BCH_FS_fsck_running, &c->flags))
-		return NULL;
-
 	list_for_each_entry(s, &c->fsck_error_msgs, list)
 		if (s->id == id) {
 			/*
@@ -639,14 +636,14 @@ int __bch2_bkey_fsck_err(struct bch_fs *c,
 	return ret;
 }
 
-void bch2_flush_fsck_errs(struct bch_fs *c)
+static void __bch2_flush_fsck_errs(struct bch_fs *c, bool print)
 {
 	struct fsck_err_state *s, *n;
 
 	mutex_lock(&c->fsck_error_msgs_lock);
 
 	list_for_each_entry_safe(s, n, &c->fsck_error_msgs, list) {
-		if (s->ratelimited && s->last_msg)
+		if (print && s->ratelimited && s->last_msg)
 			bch_err(c, "Saw %llu errors like:\n  %s", s->nr, s->last_msg);
 
 		list_del(&s->list);
@@ -657,6 +654,16 @@ void bch2_flush_fsck_errs(struct bch_fs *c)
 	mutex_unlock(&c->fsck_error_msgs_lock);
 }
 
+void bch2_flush_fsck_errs(struct bch_fs *c)
+{
+	__bch2_flush_fsck_errs(c, true);
+}
+
+void bch2_free_fsck_errs(struct bch_fs *c)
+{
+	__bch2_flush_fsck_errs(c, false);
+}
+
 int bch2_inum_offset_err_msg_trans(struct btree_trans *trans, struct printbuf *out,
 				    subvol_inum inum, u64 offset)
 {

fs/bcachefs/error.h

@@ -93,6 +93,7 @@ int __bch2_fsck_err(struct bch_fs *, struct btree_trans *,
 			_flags, BCH_FSCK_ERR_##_err_type, __VA_ARGS__)
 
 void bch2_flush_fsck_errs(struct bch_fs *);
+void bch2_free_fsck_errs(struct bch_fs *);
 
 #define fsck_err_wrap(_do)						\
 ({									\

fs/bcachefs/super.c

@@ -552,6 +552,7 @@ static void __bch2_fs_free(struct bch_fs *c)
 
 	bch2_find_btree_nodes_exit(&c->found_btree_nodes);
 	bch2_free_pending_node_rewrites(c);
+	bch2_free_fsck_errs(c);
 	bch2_fs_accounting_exit(c);
 	bch2_fs_sb_errors_exit(c);
 	bch2_fs_counters_exit(c);