From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out30-130.freemail.mail.aliyun.com (out30-130.freemail.mail.aliyun.com [115.124.30.130]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 56E813BB3E; Tue, 9 Jan 2024 18:11:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.alibaba.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.alibaba.com X-Alimail-AntiSpam:AC=PASS;BC=-1|-1;BR=01201311R131e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=ay29a033018045170;MF=hsiangkao@linux.alibaba.com;NM=1;PH=DS;RN=27;SR=0;TI=SMTPD_---0W-JAUV5_1704823869; Received: from 30.25.253.88(mailfrom:hsiangkao@linux.alibaba.com fp:SMTPD_---0W-JAUV5_1704823869) by smtp.aliyun-inc.com; Wed, 10 Jan 2024 02:11:12 +0800 Message-ID: <97d0e776-d672-405a-9359-fb7f16969dc3@linux.alibaba.com> Date: Wed, 10 Jan 2024 02:11:08 +0800 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 3/4] erofs: Don't use certain internal folio_*() functions To: David Howells , Christian Brauner , Jeff Layton , Dominique Martinet Cc: Steve French , Matthew Wilcox , Marc Dionne , Paulo Alcantara , Shyam Prasad N , Tom Talpey , Eric Van Hensbergen , Ilya Dryomov , linux-cachefs@redhat.com, linux-afs@lists.infradead.org, linux-cifs@vger.kernel.org, linux-nfs@vger.kernel.org, ceph-devel@vger.kernel.org, v9fs@lists.linux.dev, linux-erofs@lists.ozlabs.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Gao Xiang , Chao Yu , Yue Hu , Jeffle Xu References: <20240109180117.1669008-1-dhowells@redhat.com> <20240109180117.1669008-4-dhowells@redhat.com> From: Gao Xiang In-Reply-To: <20240109180117.1669008-4-dhowells@redhat.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 2024/1/10 02:01, David Howells wrote: > Filesystems should not be using folio->index not folio_index(folio) and > folio->mapping, not folio_mapping() or folio_file_mapping() in filesystem > code. > > Change this automagically with: > > perl -p -i -e 's/folio_mapping[(]([^)]*)[)]/\1->mapping/g' fs/erofs/*.c > perl -p -i -e 's/folio_file_mapping[(]([^)]*)[)]/\1->mapping/g' fs/erofs/*.c > perl -p -i -e 's/folio_index[(]([^)]*)[)]/\1->index/g' fs/erofs/*.c > > Reported-by: Matthew Wilcox > Signed-off-by: David Howells > cc: Gao Xiang > cc: Chao Yu > cc: Yue Hu > cc: Jeffle Xu > cc: linux-erofs@lists.ozlabs.org > cc: linux-fsdevel@vger.kernel.org Thank you, David! Reviewed-by: Gao Xiang (I've asked Jingbo to find some free slot to refine this part for later compressed data adaption. Yet that is another separate story. The patch looks good to me.) Thanks, Gao Xiang > --- > fs/erofs/fscache.c | 6 +++--- > 1 file changed, 3 insertions(+), 3 deletions(-) > > diff --git a/fs/erofs/fscache.c b/fs/erofs/fscache.c > index 87ff35bff8d5..bc12030393b2 100644 > --- a/fs/erofs/fscache.c > +++ b/fs/erofs/fscache.c > @@ -165,10 +165,10 @@ static int erofs_fscache_read_folios_async(struct fscache_cookie *cookie, > static int erofs_fscache_meta_read_folio(struct file *data, struct folio *folio) > { > int ret; > - struct erofs_fscache *ctx = folio_mapping(folio)->host->i_private; > + struct erofs_fscache *ctx = folio->mapping->host->i_private; > struct erofs_fscache_request *req; > > - req = erofs_fscache_req_alloc(folio_mapping(folio), > + req = erofs_fscache_req_alloc(folio->mapping, > folio_pos(folio), folio_size(folio)); > if (IS_ERR(req)) { > folio_unlock(folio); > @@ -276,7 +276,7 @@ static int erofs_fscache_read_folio(struct file *file, struct folio *folio) > struct erofs_fscache_request *req; > int ret; > > - req = erofs_fscache_req_alloc(folio_mapping(folio), > + req = erofs_fscache_req_alloc(folio->mapping, > folio_pos(folio), folio_size(folio)); > if (IS_ERR(req)) { > folio_unlock(folio); >