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[2620:137:e000::1:20]) by mx.google.com with ESMTP id ty9-20020a170907c70900b00779f8e7ec5bsi5685327ejc.42.2022.12.12.11.16.08; Mon, 12 Dec 2022 11:16:32 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20210112 header.b=nw6aRHz5; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233095AbiLLTPk (ORCPT + 99 others); Mon, 12 Dec 2022 14:15:40 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56376 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232988AbiLLTPb (ORCPT ); Mon, 12 Dec 2022 14:15:31 -0500 Received: from mail-pf1-x430.google.com (mail-pf1-x430.google.com [IPv6:2607:f8b0:4864:20::430]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5C434DEDC; Mon, 12 Dec 2022 11:15:29 -0800 (PST) Received: by mail-pf1-x430.google.com with SMTP id 65so581934pfx.9; Mon, 12 Dec 2022 11:15:29 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=xkM+afTsz5CqxyM8zs9D+iGsBZPiJzEAQMC/u5lyTL0=; b=nw6aRHz51wqaynmeH7AmMW3V+PrnQ7b13g7pdbT/3q/sYZ6zf4XwtfYCZ1rpiCiYqH pI4I/LqRIb5iTeb4DR9bwnqEWbh0bvxLhQnFn8DDCpiX7obMqaaacq4ZoujxXeeAtIpD iP7+Suj0lV5uFqedHjnmOEzupb/AZwifYl82gFtBMlsiuJNR2DjNQj/2WGXWaCy/Kups algKTyoa3OMcY7nFxh1KVtC2ohQx1eUS2udKylCSa7afpl0T2bCptskCXIT4SX0TNFr/ w/+oa1x9pbOn//nzx0oIMuN1NiDR8cz9CT8LQu4zlDddjaJ0U19JkVnLzOrpPVnwvYqe zExQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=xkM+afTsz5CqxyM8zs9D+iGsBZPiJzEAQMC/u5lyTL0=; b=4r6lNz464UAfkkZakqe8v6iTN6CKM9pQiM3k/+oPROnhVVgQYNTz8ZDGsU1BsgtZot NBRLAUiNGOyTXcLv04jsxUsVBtYbPwuFPi/g2CCQxyFDyMI0oAwr+oSBBoD3xUpqCA2h CMkWJj1ZykoioBKGNvsqlKa20AgiEAMLHGBCqk6+KS7nbGMubGr6Hr36vx4rLDf6YsDG CtLi37Go+xl5AEeoNcQCWRpZaogi5uKzFuI22vqElHiaDpRAaLIDGPAtb/razX7VhmRq NulDL3DZbxPmwrApftR9dfp4BquOsob4zjc3LGs+3eo7QwrrJR5f1p2q6CZFZ7pcYg3w 1COw== X-Gm-Message-State: ANoB5plEv238t9H4tHtjbokPI1pzXfLKyYK2rA4C3P3BbtayAEVia/GN nVFggK181EsIN9+4uq6p6HtgoiXefMM= X-Received: by 2002:a05:6a00:1c9c:b0:577:3126:704b with SMTP id y28-20020a056a001c9c00b005773126704bmr18893111pfw.17.1670872528763; Mon, 12 Dec 2022 11:15:28 -0800 (PST) Received: from fedora.hsd1.ca.comcast.net ([2601:644:8002:1c20::2c6b]) by smtp.googlemail.com with ESMTPSA id u24-20020a62d458000000b00574345ee12csm6149470pfl.23.2022.12.12.11.15.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 12 Dec 2022 11:15:28 -0800 (PST) From: "Vishal Moola (Oracle)" To: chao@kernel.org Cc: linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-mm@kvack.org, fengnanchang@gmail.com, linux-fsdevel@vger.kernel.org, "Vishal Moola (Oracle)" Subject: [RFC PATCH] f2fs: Convert f2fs_write_cache_pages() to use filemap_get_folios_tag() Date: Mon, 12 Dec 2022 11:13:18 -0800 Message-Id: <20221212191317.9730-1-vishal.moola@gmail.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <0a95ba7b-9335-ce03-0f47-5d9f4cce988f@kernel.org> References: <0a95ba7b-9335-ce03-0f47-5d9f4cce988f@kernel.org> MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM, RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS autolearn=ham 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-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1746968210367984208?= X-GMAIL-MSGID: =?utf-8?q?1752036899270624268?= Converted the function to use a folio_batch instead of pagevec. This is in preparation for the removal of find_get_pages_range_tag(). Also modified f2fs_all_cluster_page_ready to take in a folio_batch instead of pagevec. This does NOT support large folios. The function currently only utilizes folios of size 1 so this shouldn't cause any issues right now. This version of the patch limits the number of pages fetched to F2FS_ONSTACK_PAGES. If that ever happens, update the start index here since filemap_get_folios_tag() updates the index to be after the last found folio, not necessarily the last used page. Signed-off-by: Vishal Moola (Oracle) --- Let me know if you prefer this version and I'll include it in v5 of the patch series when I rebase it after the merge window. --- fs/f2fs/data.c | 86 ++++++++++++++++++++++++++++++++++---------------- 1 file changed, 59 insertions(+), 27 deletions(-) diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index a71e818cd67b..1703e353f0e0 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -2939,6 +2939,7 @@ static int f2fs_write_cache_pages(struct address_space *mapping, int ret = 0; int done = 0, retry = 0; struct page *pages[F2FS_ONSTACK_PAGES]; + struct folio_batch fbatch; struct f2fs_sb_info *sbi = F2FS_M_SB(mapping); struct bio *bio = NULL; sector_t last_block; @@ -2959,6 +2960,7 @@ static int f2fs_write_cache_pages(struct address_space *mapping, .private = NULL, }; #endif + int nr_folios, p, idx; int nr_pages; pgoff_t index; pgoff_t end; /* Inclusive */ @@ -2969,6 +2971,8 @@ static int f2fs_write_cache_pages(struct address_space *mapping, int submitted = 0; int i; + folio_batch_init(&fbatch); + if (get_dirty_pages(mapping->host) <= SM_I(F2FS_M_SB(mapping))->min_hot_blocks) set_inode_flag(mapping->host, FI_HOT_DATA); @@ -2994,13 +2998,38 @@ static int f2fs_write_cache_pages(struct address_space *mapping, tag_pages_for_writeback(mapping, index, end); done_index = index; while (!done && !retry && (index <= end)) { - nr_pages = find_get_pages_range_tag(mapping, &index, end, - tag, F2FS_ONSTACK_PAGES, pages); - if (nr_pages == 0) + nr_pages = 0; +again: + nr_folios = filemap_get_folios_tag(mapping, &index, end, + tag, &fbatch); + if (nr_folios == 0) { + if (nr_pages) + goto write; break; + } + for (i = 0; i < nr_folios; i++) { + struct folio* folio = fbatch.folios[i]; + + idx = 0; + p = folio_nr_pages(folio); +add_more: + pages[nr_pages] = folio_page(folio,idx); + folio_ref_inc(folio); + if (++nr_pages == F2FS_ONSTACK_PAGES) { + index = folio->index + idx + 1; + folio_batch_release(&fbatch); + goto write; + } + if (++idx < p) + goto add_more; + } + folio_batch_release(&fbatch); + goto again; +write: for (i = 0; i < nr_pages; i++) { struct page *page = pages[i]; + struct folio *folio = page_folio(page); bool need_readd; readd: need_readd = false; @@ -3017,7 +3046,7 @@ static int f2fs_write_cache_pages(struct address_space *mapping, } if (!f2fs_cluster_can_merge_page(&cc, - page->index)) { + folio->index)) { ret = f2fs_write_multi_pages(&cc, &submitted, wbc, io_type); if (!ret) @@ -3026,27 +3055,28 @@ static int f2fs_write_cache_pages(struct address_space *mapping, } if (unlikely(f2fs_cp_error(sbi))) - goto lock_page; + goto lock_folio; if (!f2fs_cluster_is_empty(&cc)) - goto lock_page; + goto lock_folio; if (f2fs_all_cluster_page_ready(&cc, pages, i, nr_pages, true)) - goto lock_page; + goto lock_folio; ret2 = f2fs_prepare_compress_overwrite( inode, &pagep, - page->index, &fsdata); + folio->index, &fsdata); if (ret2 < 0) { ret = ret2; done = 1; break; } else if (ret2 && (!f2fs_compress_write_end(inode, - fsdata, page->index, 1) || + fsdata, folio->index, 1) || !f2fs_all_cluster_page_ready(&cc, - pages, i, nr_pages, false))) { + pages, i, nr_pages, + false))) { retry = 1; break; } @@ -3059,46 +3089,47 @@ static int f2fs_write_cache_pages(struct address_space *mapping, break; } #ifdef CONFIG_F2FS_FS_COMPRESSION -lock_page: +lock_folio: #endif - done_index = page->index; + done_index = folio->index; retry_write: - lock_page(page); + folio_lock(folio); - if (unlikely(page->mapping != mapping)) { + if (unlikely(folio->mapping != mapping)) { continue_unlock: - unlock_page(page); + folio_unlock(folio); continue; } - if (!PageDirty(page)) { + if (!folio_test_dirty(folio)) { /* someone wrote it for us */ goto continue_unlock; } - if (PageWriteback(page)) { + if (folio_test_writeback(folio)) { if (wbc->sync_mode != WB_SYNC_NONE) - f2fs_wait_on_page_writeback(page, + f2fs_wait_on_page_writeback( + &folio->page, DATA, true, true); else goto continue_unlock; } - if (!clear_page_dirty_for_io(page)) + if (!folio_clear_dirty_for_io(folio)) goto continue_unlock; #ifdef CONFIG_F2FS_FS_COMPRESSION if (f2fs_compressed_file(inode)) { - get_page(page); - f2fs_compress_ctx_add_page(&cc, page); + folio_get(folio); + f2fs_compress_ctx_add_page(&cc, &folio->page); continue; } #endif - ret = f2fs_write_single_data_page(page, &submitted, - &bio, &last_block, wbc, io_type, - 0, true); + ret = f2fs_write_single_data_page(&folio->page, + &submitted, &bio, &last_block, + wbc, io_type, 0, true); if (ret == AOP_WRITEPAGE_ACTIVATE) - unlock_page(page); + folio_unlock(folio); #ifdef CONFIG_F2FS_FS_COMPRESSION result: #endif @@ -3122,7 +3153,8 @@ static int f2fs_write_cache_pages(struct address_space *mapping, } goto next; } - done_index = page->index + 1; + done_index = folio->index + + folio_nr_pages(folio); done = 1; break; } @@ -3136,7 +3168,7 @@ static int f2fs_write_cache_pages(struct address_space *mapping, if (need_readd) goto readd; } - release_pages(pages, nr_pages); + release_pages(pages,nr_pages); cond_resched(); } #ifdef CONFIG_F2FS_FS_COMPRESSION