From patchwork Wed Oct 23 07:04:47 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Qu Wenruo X-Patchwork-Id: 11205787 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 72EA21390 for ; Wed, 23 Oct 2019 07:05:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 514AF2084C for ; Wed, 23 Oct 2019 07:05:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389401AbfJWHE7 (ORCPT ); Wed, 23 Oct 2019 03:04:59 -0400 Received: from mx2.suse.de ([195.135.220.15]:48032 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1732481AbfJWHE7 (ORCPT ); Wed, 23 Oct 2019 03:04:59 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 32FA8B435 for ; Wed, 23 Oct 2019 07:04:58 +0000 (UTC) From: Qu Wenruo To: linux-btrfs@vger.kernel.org Subject: [PATCH] btrfs: Remove btrfs_bio::flags member Date: Wed, 23 Oct 2019 15:04:47 +0800 Message-Id: <20191023070447.6899-1-wqu@suse.com> X-Mailer: git-send-email 2.23.0 MIME-Version: 1.0 Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org This member is not used by any one, just remove it. And since it's between two pointers, such removal should save us a pointer size of the structure. Furthermore, if we just want to know the block group profile, we have btrfs_bio::map_type, which is much better than this ambiguous member. Signed-off-by: Qu Wenruo --- fs/btrfs/volumes.h | 1 - 1 file changed, 1 deletion(-) diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h index 7f6aa1816409..5ab2920b0c1f 100644 --- a/fs/btrfs/volumes.h +++ b/fs/btrfs/volumes.h @@ -331,7 +331,6 @@ struct btrfs_bio { u64 map_type; /* get from map_lookup->type */ bio_end_io_t *end_io; struct bio *orig_bio; - unsigned long flags; void *private; atomic_t error; int max_errors;