From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 424A5364AE for ; Wed, 14 Aug 2024 03:17:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723605427; cv=none; b=UnhrfRi2E2JSW2ouPwe4gkPTCTpJIF0UGnszv9PDh+eiX4IjoxuzY1FVAYUi7psVADB+FQq838tUGGYpbAVIlW642AMIOtfMv6WX6Lrz/HG9XGGn49D8RO153TOPxW4VoQEK1/bl2isNpVn1yTSL6mxU4b4koPbiiUqMujQSdB4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723605427; c=relaxed/simple; bh=FBn0TJzuKz5QlU+SwuU8/v8NAWJNdKV4Pp/tO+xkdIQ=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=BWeq+4BMJ5KbJ3kK0f77YSPShSgXoWsk6Ibn+1CovTgrdWMiH1IjkwB8kokOICd/eMAFtNKVnbxpMXsMTgv51OrlEy+0t1DlwPtn6+JEt26v4+qJKZgjaZY3mKZmJ4nJzrdtd2d1io+OqZvlDTofCYoUZsroHozYzSSWFJzrlWo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=pP9jP1GG; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="pP9jP1GG" Received: by smtp.kernel.org (Postfix) with ESMTPSA id EF2BEC32782; Wed, 14 Aug 2024 03:17:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1723605426; bh=FBn0TJzuKz5QlU+SwuU8/v8NAWJNdKV4Pp/tO+xkdIQ=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=pP9jP1GGTkN8tV4RHK5EGNMuqebUsIXqDhOlgjvnzD+02gVodq945CfZbnD2M4Epo PW8b8A8+zc+/ZLrpuBB/nSoEL/Ea++J3pgX3vMm/VHN48sD2Lyo/oWu78Hfi58Kx0x 1gG9NydpJ8GiEXJnBQHHybwO48Gabd1uGLCvNkXsxHXklb6BZj+3dgr8DmJpsuLxHK YEW4h8UNQzZXFZsW+/On0uG+8LjB59dbFZ9fOjxHywjFi/JipWnq2v/YgJXbkRo1P6 dabso4rpQ5Fpwqd90BMfIhXbsyvBplXY/STwbLEP9a20RqAMykP1f9BHqv/bPUNlkb i18xuzXIHfn+Q== Message-ID: Date: Wed, 14 Aug 2024 11:17:03 +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 1/9] f2fs: convert f2fs_compress_ctx_add_page() to use folio To: Jaegeuk Kim Cc: linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org References: <20240813141331.417067-1-chao@kernel.org> Content-Language: en-US From: Chao Yu In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 2024/8/14 6:24, Jaegeuk Kim wrote: > Could you please test this series? I hit kernel hang along with refcount warning > in f2fs_put_dic, when running fsstress. You can reproduce it quickly. --- fs/f2fs/data.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index 9e21cfe11cc7..4f4e76c33611 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -2322,7 +2322,7 @@ int f2fs_read_multi_pages(struct compress_ctx *cc, struct bio **bio_ret, } } - if (bio_add_folio(bio, folio, blocksize, 0) < blocksize) + if (!bio_add_folio(bio, folio, blocksize, 0)) goto submit_and_realloc; ctx = get_post_read_ctx(bio); -- 2.40.1 After applying this, it doesn't complain now. Thanks, > > On 08/13, Chao Yu wrote: >> onvert to use folio, so that we can get rid of 'page->index' to >> prepare for removal of 'index' field in structure page [1]. >> >> [1] https://lore.kernel.org/all/Zp8fgUSIBGQ1TN0D@casper.infradead.org/ >> >> Cc: Matthew Wilcox >> Signed-off-by: Chao Yu >> --- >> fs/f2fs/compress.c | 14 +++++++------- >> fs/f2fs/data.c | 4 ++-- >> fs/f2fs/f2fs.h | 2 +- >> 3 files changed, 10 insertions(+), 10 deletions(-) >> >> diff --git a/fs/f2fs/compress.c b/fs/f2fs/compress.c >> index 990b93689b46..eb5cd1457ffc 100644 >> --- a/fs/f2fs/compress.c >> +++ b/fs/f2fs/compress.c >> @@ -160,17 +160,17 @@ void f2fs_destroy_compress_ctx(struct compress_ctx *cc, bool reuse) >> cc->cluster_idx = NULL_CLUSTER; >> } >> >> -void f2fs_compress_ctx_add_page(struct compress_ctx *cc, struct page *page) >> +void f2fs_compress_ctx_add_page(struct compress_ctx *cc, struct folio *folio) >> { >> unsigned int cluster_ofs; >> >> - if (!f2fs_cluster_can_merge_page(cc, page->index)) >> + if (!f2fs_cluster_can_merge_page(cc, folio->index)) >> f2fs_bug_on(F2FS_I_SB(cc->inode), 1); >> >> - cluster_ofs = offset_in_cluster(cc, page->index); >> - cc->rpages[cluster_ofs] = page; >> + cluster_ofs = offset_in_cluster(cc, folio->index); >> + cc->rpages[cluster_ofs] = folio_page(folio, 0); >> cc->nr_rpages++; >> - cc->cluster_idx = cluster_idx(cc, page->index); >> + cc->cluster_idx = cluster_idx(cc, folio->index); >> } >> >> #ifdef CONFIG_F2FS_FS_LZO >> @@ -1093,7 +1093,7 @@ static int prepare_compress_overwrite(struct compress_ctx *cc, >> if (PageUptodate(page)) >> f2fs_put_page(page, 1); >> else >> - f2fs_compress_ctx_add_page(cc, page); >> + f2fs_compress_ctx_add_page(cc, page_folio(page)); >> } >> >> if (!f2fs_cluster_is_empty(cc)) { >> @@ -1123,7 +1123,7 @@ static int prepare_compress_overwrite(struct compress_ctx *cc, >> } >> >> f2fs_wait_on_page_writeback(page, DATA, true, true); >> - f2fs_compress_ctx_add_page(cc, page); >> + f2fs_compress_ctx_add_page(cc, page_folio(page)); >> >> if (!PageUptodate(page)) { >> release_and_retry: >> diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c >> index e9570f4e0f21..100b6526717f 100644 >> --- a/fs/f2fs/data.c >> +++ b/fs/f2fs/data.c >> @@ -2429,7 +2429,7 @@ static int f2fs_mpage_readpages(struct inode *inode, >> if (ret) >> goto set_error_page; >> >> - f2fs_compress_ctx_add_page(&cc, &folio->page); >> + f2fs_compress_ctx_add_page(&cc, folio); >> >> goto next_page; >> read_single_page: >> @@ -3161,7 +3161,7 @@ static int f2fs_write_cache_pages(struct address_space *mapping, >> #ifdef CONFIG_F2FS_FS_COMPRESSION >> if (f2fs_compressed_file(inode)) { >> folio_get(folio); >> - f2fs_compress_ctx_add_page(&cc, &folio->page); >> + f2fs_compress_ctx_add_page(&cc, folio); >> continue; >> } >> #endif >> diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h >> index 51fd5063a69c..df436dd3aac1 100644 >> --- a/fs/f2fs/f2fs.h >> +++ b/fs/f2fs/f2fs.h >> @@ -4322,7 +4322,7 @@ bool f2fs_cluster_can_merge_page(struct compress_ctx *cc, pgoff_t index); >> bool f2fs_all_cluster_page_ready(struct compress_ctx *cc, struct page **pages, >> int index, int nr_pages, bool uptodate); >> bool f2fs_sanity_check_cluster(struct dnode_of_data *dn); >> -void f2fs_compress_ctx_add_page(struct compress_ctx *cc, struct page *page); >> +void f2fs_compress_ctx_add_page(struct compress_ctx *cc, struct folio *folio); >> int f2fs_write_multi_pages(struct compress_ctx *cc, >> int *submitted, >> struct writeback_control *wbc, >> -- >> 2.40.1