From patchwork Tue Dec 22 05:59:23 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Qu Wenruo X-Patchwork-Id: 11985881 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B68E2C433E0 for ; Tue, 22 Dec 2020 06:00:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6D7C623124 for ; Tue, 22 Dec 2020 06:00:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725833AbgLVGAQ (ORCPT ); Tue, 22 Dec 2020 01:00:16 -0500 Received: from mx2.suse.de ([195.135.220.15]:35480 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725300AbgLVGAQ (ORCPT ); Tue, 22 Dec 2020 01:00:16 -0500 X-Virus-Scanned: by amavisd-new at test-mx.suse.de DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1608616770; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=ZiuLKZnHiGnwAItXBUbWP0W6qOGiq8Ot4ieMMcJ/XQ4=; b=L3WcJUvGGv4vzz9CNb/ofRfg8Pez3l+m1iy6xr7SIOsgnAAcBl+ssQUnOia++zt5Z4aWvE PNRrGoYOvObYYILi7wnDryTNGjuvSScCFVdsbzB7Bjj8l0jTkMreH5EexAUZW76x5czb1z S0nDKCjqmOUp3/09U5mhOL/hUpoRXt0= Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 21AD0AD4D for ; Tue, 22 Dec 2020 05:59:30 +0000 (UTC) From: Qu Wenruo To: linux-btrfs@vger.kernel.org Subject: [PATCH v2 1/2] btrfs: make btrfs_dio_private::bytes to be u32 Date: Tue, 22 Dec 2020 13:59:23 +0800 Message-Id: <20201222055924.64724-2-wqu@suse.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201222055924.64724-1-wqu@suse.com> References: <20201222055924.64724-1-wqu@suse.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org btrfs_dio_private::bytes is only assigned from bio::bi_iter::bi_size, which is no larger than U32. Signed-off-by: Qu Wenruo --- fs/btrfs/btrfs_inode.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/btrfs/btrfs_inode.h b/fs/btrfs/btrfs_inode.h index d9bf53d9ff90..fbd65807f29d 100644 --- a/fs/btrfs/btrfs_inode.h +++ b/fs/btrfs/btrfs_inode.h @@ -325,7 +325,7 @@ struct btrfs_dio_private { struct inode *inode; u64 logical_offset; u64 disk_bytenr; - u64 bytes; + u32 bytes; /* * References to this structure. There is one reference per in-flight