From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id AC5E8C38159 for ; Thu, 19 Jan 2023 02:19:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229845AbjASCTk (ORCPT ); Wed, 18 Jan 2023 21:19:40 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41698 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229482AbjASCTi (ORCPT ); Wed, 18 Jan 2023 21:19:38 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F1BC44A1D5 for ; Wed, 18 Jan 2023 18:19:37 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id A591AB81FC0 for ; Thu, 19 Jan 2023 02:19:36 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 28BDBC433D2; Thu, 19 Jan 2023 02:19:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1674094775; bh=PhzcDmkGhRVjGbw8rA/j27ZqHma/HzGuMcD0dVpCosk=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=VTxbQ24DVjeX5Fmul0D7mGDM2W55q1zjUo2bT+7jfI37A/f2ZbEOUjwzsv7+E+26b LVPXxnhD7XXl3FEeZH8YRfV++4A0QxiSEeHhAx57nBHo7uTLYT5T5ccSeMhTFxE1mn V4JdmTns0MoZKQpD08PGObKkVeT7ewjDTguV6fBDnx9gnRvLhni9aeQAeirjMQKBfI 6P0TK53JOx14uMkMKGoLdOgYkx8DminHo0+sfcLTI0t0tQgB5MUtEsuHU2pUIKmEwB I/jRwL6EepOXFqKco2LY5Gd0raZzjJmmngw7gZZ82FHUm0DHBf74eJm13WXVoSxLQn ZxftEMEQPMc5w== Date: Wed, 18 Jan 2023 18:19:33 -0800 From: Jaegeuk Kim To: Yangtao Li Cc: chao@kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org Subject: Re: [PATCH] f2fs: introduce sanity_check_blocks() Message-ID: References: <20230112142213.22784-1-frank.li@vivo.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230112142213.22784-1-frank.li@vivo.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 01/12, Yangtao Li wrote: > There are very similar codes in release_compress_blocks() and > reserve_compress_blocks() which is used for data blocks check. > > This patch introduces a new helper sanity_check_blocks() > to include those common codes, and used it instead for cleanup. > > Signed-off-by: Yangtao Li > --- > fs/f2fs/file.c | 36 ++++++++++++++++++++---------------- > 1 file changed, 20 insertions(+), 16 deletions(-) > > diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c > index f5c1b7814954..0d539155379c 100644 > --- a/fs/f2fs/file.c > +++ b/fs/f2fs/file.c > @@ -3369,11 +3369,9 @@ static int f2fs_get_compress_blocks(struct file *filp, unsigned long arg) > return put_user(blocks, (u64 __user *)arg); > } > > -static int release_compress_blocks(struct dnode_of_data *dn, pgoff_t count) > +static int sanity_check_blocks(struct dnode_of_data *dn, pgoff_t count) > { > struct f2fs_sb_info *sbi = F2FS_I_SB(dn->inode); > - unsigned int released_blocks = 0; > - int cluster_size = F2FS_I(dn->inode)->i_cluster_size; > block_t blkaddr; > int i; > > @@ -3390,6 +3388,21 @@ static int release_compress_blocks(struct dnode_of_data *dn, pgoff_t count) > } > } > > + return 0; > +} > + > +static int release_compress_blocks(struct dnode_of_data *dn, pgoff_t count) > +{ > + struct f2fs_sb_info *sbi = F2FS_I_SB(dn->inode); > + unsigned int released_blocks = 0; > + int cluster_size = F2FS_I(dn->inode)->i_cluster_size; > + block_t blkaddr; > + int i, rc; > + > + rc = sanity_check_blocks(dn, count); ^ err > + if (rc) > + return rc; > + > while (count) { > int compr_blocks = 0; > > @@ -3539,20 +3552,11 @@ static int reserve_compress_blocks(struct dnode_of_data *dn, pgoff_t count) > unsigned int reserved_blocks = 0; > int cluster_size = F2FS_I(dn->inode)->i_cluster_size; > block_t blkaddr; > - int i; > + int i, rc; > > - for (i = 0; i < count; i++) { > - blkaddr = data_blkaddr(dn->inode, dn->node_page, > - dn->ofs_in_node + i); > - > - if (!__is_valid_data_blkaddr(blkaddr)) > - continue; > - if (unlikely(!f2fs_is_valid_blkaddr(sbi, blkaddr, > - DATA_GENERIC_ENHANCE))) { > - f2fs_handle_error(sbi, ERROR_INVALID_BLKADDR); > - return -EFSCORRUPTED; > - } > - } > + rc = sanity_check_blocks(dn, count); > + if (rc) > + return rc; > > while (count) { > int compr_blocks = 0; > -- > 2.25.1