From patchwork Fri Mar 24 18:01:00 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthew Wilcox X-Patchwork-Id: 1760909 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=ozlabs.org (client-ip=150.107.74.76; helo=gandalf.ozlabs.org; envelope-from=srs0=qb4p=7q=vger.kernel.org=linux-ext4-owner@ozlabs.org; receiver=) Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; secure) header.d=infradead.org header.i=@infradead.org header.a=rsa-sha256 header.s=casper.20170209 header.b=j/l857Wi; dkim-atps=neutral Received: from gandalf.ozlabs.org (gandalf.ozlabs.org [150.107.74.76]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-384)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4Pjqp10k0bz1yXr for ; Sat, 25 Mar 2023 05:03:37 +1100 (AEDT) Received: from gandalf.ozlabs.org (gandalf.ozlabs.org [150.107.74.76]) by gandalf.ozlabs.org (Postfix) with ESMTP id 4Pjqp10Gmzz4x1N for ; Sat, 25 Mar 2023 05:03:37 +1100 (AEDT) Received: by gandalf.ozlabs.org (Postfix) id 4Pjqp10Dhsz4x80; Sat, 25 Mar 2023 05:03:37 +1100 (AEDT) Delivered-To: patchwork-incoming@ozlabs.org Authentication-Results: gandalf.ozlabs.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: gandalf.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2620:137:e000::1:20; helo=out1.vger.email; envelope-from=linux-ext4-owner@vger.kernel.org; receiver=) Authentication-Results: gandalf.ozlabs.org; dkim=pass (2048-bit key; secure) header.d=infradead.org header.i=@infradead.org header.a=rsa-sha256 header.s=casper.20170209 header.b=j/l857Wi; dkim-atps=neutral Received: from out1.vger.email (out1.vger.email [IPv6:2620:137:e000::1:20]) by gandalf.ozlabs.org (Postfix) with ESMTP id 4Pjqp108jcz4x1N for ; Sat, 25 Mar 2023 05:03:37 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231905AbjCXSDg (ORCPT ); Fri, 24 Mar 2023 14:03:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35048 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232041AbjCXSCZ (ORCPT ); Fri, 24 Mar 2023 14:02:25 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4BFD91BAEB; Fri, 24 Mar 2023 11:02:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:In-Reply-To:References; bh=rnAo4L7RmnIku5i+IL0cWPvo7OyCYgpklRMlOVhR32U=; b=j/l857Wi8xGShCZKdRe7OlnU2M UUN534rzq3/viXWPJ4LTgd71npb4oCul35QKqSp9rf+TaWan8pPH3mWTCire5lwgoMpeG2ru30lMs DQ4nG13TYquzGkyv/bTPS+qcle4HLVDeNnol8B47Ck/kLXUjHIsRk8ZEkj2DabPiPVRMbLy3yD2W3 Pm+mrZc351yJEtfMLncC0JFDcrTGROCTMLwlRJAc/ZSnjRWuPG8uvoBgfc9RsSQKafNNHcOFwm1/t CzzTrCHS07DrHEB+UynalWwd8fvGjNJPmg1T/7M480Is4RvvtjIWd3cI46cT4jvsG7Py8CprJrWfc O36zIOjg==; Received: from willy by casper.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1pfljK-0057Yn-Ob; Fri, 24 Mar 2023 18:01:34 +0000 From: "Matthew Wilcox (Oracle)" To: tytso@mit.edu, adilger.kernel@dilger.ca Cc: "Matthew Wilcox (Oracle)" , linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org Subject: [PATCH v2 00/29] Convert most of ext4 to folios Date: Fri, 24 Mar 2023 18:01:00 +0000 Message-Id: <20230324180129.1220691-1-willy@infradead.org> X-Mailer: git-send-email 2.37.1 MIME-Version: 1.0 X-Spam-Status: No, score=-2.5 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org On top of next-20230321, this converts most of ext4 to use folios instead of pages. It does not enable large folios although it fixes some places that will need to be fixed before they can be enabled for ext4. It does not convert mballoc to use folios. write_begin() and write_end() still take a page parameter instead of a folio. It does convert a lot of code away from the page APIs that we're trying to remove. It does remove a lot of calls to compound_head(). I'd like to see it land in 6.4. v2: Address all the feedback I received on v1. At least I hope I did. Matthew Wilcox (Oracle) (29): fs: Add FGP_WRITEBEGIN fscrypt: Add some folio helper functions ext4: Convert ext4_bio_write_page() to use a folio ext4: Convert ext4_finish_bio() to use folios ext4: Turn mpage_process_page() into mpage_process_folio() ext4: Convert mpage_submit_page() to mpage_submit_folio() ext4: Convert mpage_page_done() to mpage_folio_done() ext4: Convert ext4_bio_write_page() to ext4_bio_write_folio() ext4: Convert ext4_readpage_inline() to take a folio ext4: Convert ext4_convert_inline_data_to_extent() to use a folio ext4: Convert ext4_try_to_write_inline_data() to use a folio ext4: Convert ext4_da_convert_inline_data_to_extent() to use a folio ext4: Convert ext4_da_write_inline_data_begin() to use a folio ext4: Convert ext4_read_inline_page() to ext4_read_inline_folio() ext4: Convert ext4_write_inline_data_end() to use a folio ext4: Convert ext4_write_begin() to use a folio ext4: Convert ext4_write_end() to use a folio ext4: Use a folio in ext4_journalled_write_end() ext4: Convert ext4_journalled_zero_new_buffers() to use a folio ext4: Convert __ext4_block_zero_page_range() to use a folio ext4: Convert ext4_page_nomap_can_writeout to ext4_folio_nomap_can_writeout ext4: Use a folio in ext4_da_write_begin() ext4: Convert ext4_mpage_readpages() to work on folios ext4: Convert ext4_block_write_begin() to take a folio ext4: Use a folio in ext4_page_mkwrite() ext4: Use a folio iterator in __read_end_io() ext4: Convert mext_page_mkuptodate() to take a folio ext4: Convert pagecache_read() to use a folio ext4: Use a folio in ext4_read_merkle_tree_page block/bio.c | 1 + fs/ext4/ext4.h | 9 +- fs/ext4/inline.c | 171 ++++++++++---------- fs/ext4/inode.c | 312 +++++++++++++++++++------------------ fs/ext4/move_extent.c | 33 ++-- fs/ext4/page-io.c | 98 ++++++------ fs/ext4/readpage.c | 72 ++++----- fs/ext4/verity.c | 30 ++-- fs/iomap/buffered-io.c | 2 +- fs/netfs/buffered_read.c | 3 +- fs/nfs/file.c | 12 +- include/linux/fscrypt.h | 21 +++ include/linux/page-flags.h | 5 - include/linux/pagemap.h | 2 + mm/folio-compat.c | 4 +- 15 files changed, 387 insertions(+), 388 deletions(-)