bcachefs: Log fsck errors in the journal

Log the specific error being corrected in the journal when we're
repairing, this helps greatly with 'bcachefs list_journal' analysis.

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

Author: Kent Overstreet

fs/bcachefs/error.c

@@ -620,6 +620,9 @@ int __bch2_fsck_err(struct bch_fs *c,
 
 	if (s)
 		s->ret = ret;
+
+	if (trans)
+		ret = bch2_trans_log_str(trans, bch2_sb_error_strs[err]) ?: ret;
 err_unlock:
 	mutex_unlock(&c->fsck_error_msgs_lock);
 err: