From patchwork Wed Nov 2 16:10:12 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vishal Moola X-Patchwork-Id: 13028440 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 EC6D8C4167E for ; Wed, 2 Nov 2022 16:11:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231425AbiKBQLb (ORCPT ); Wed, 2 Nov 2022 12:11:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50240 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231328AbiKBQLO (ORCPT ); Wed, 2 Nov 2022 12:11:14 -0400 Received: from mail-pl1-x634.google.com (mail-pl1-x634.google.com [IPv6:2607:f8b0:4864:20::634]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EFA422CDCD; Wed, 2 Nov 2022 09:11:13 -0700 (PDT) Received: by mail-pl1-x634.google.com with SMTP id 4so17056307pli.0; Wed, 02 Nov 2022 09:11:13 -0700 (PDT) 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=UvlibGQjIurNf1opibXHL1DiqttY5CNVP0rYORWfAjI=; b=Gia/2xQtP1i9ycPtinKOiQgjpYF1J9ACaFpAh075vwzsAAhLNjNjwXPx2+vTDRXHUZ bZE7LvXvcDHVHatbKpXZr47x9Hs9Q1h4xbF6TvxceMrMsSveweURXYIlV+R88gCZYv6h OGEJsEMDJZXdIqsZtg4BoAUnUIyyXd4KPqoF9+M3lG4fab9IdnhxaNtEY8oPI7ibVacD ytnjCKB0xNJmaRpuLXjDt8ASUH4+yIxaxOUP0/7p0CNQH+PRkBqmasgPL+jnoVzH3Fpb kUPkQn8no5XnSuKHBdcn1wPdHmAGeK2tyKCUjMCDEJu+yG2BBKFd+VDxMe7qKyNYVM+a EXOQ== 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=UvlibGQjIurNf1opibXHL1DiqttY5CNVP0rYORWfAjI=; b=ZlQ4t5/QOZm+dHx+4xXW9AUNWcabo3i/IimAEKfav6I8nChDI17VLP0LyAF+AdiNAF zCPhT7NZj60GimamTR77OG+xnwVdib1XyDHu2w5g6Gz5HcK/2eqrb4fe5TN7Z+CNRTTS /coXbNElp0XMq9N/+YWePSGDYOMOgbh0S1JnDanEeMh8JM3UooejScUxAVOvlmbD6kYD Uo78Dh7Brwp07/7Sz03PSevMnzQyHnaIWXQQ3tF+QN0AtXPtAle+8JEOhQElo6b2QV/q 9FsRIXN5JMq8XkqKYktpqMPRXGweKEd3k8QQNlU19+yYG/a1VvJso6QEkJOv/e4J8u21 Z+7Q== X-Gm-Message-State: ACrzQf2jrMJ/zrmtgusgJl2qkrGd6Sa8J4vwpOvaGW9eo5QAeImu9pkL CYzjGwkjjBXN3z54n9iEeRNk1PqAvZYU5Q== X-Google-Smtp-Source: AMsMyM4X+/f3jD8XaEJ/tjjSk3Zq6RyoQeAhchq0GUaByf6a7jG0+un2QlQf44Fu6bHaytqq3rYlyA== X-Received: by 2002:a17:903:2cb:b0:171:4f0d:beb6 with SMTP id s11-20020a17090302cb00b001714f0dbeb6mr25037165plk.53.1667405473165; Wed, 02 Nov 2022 09:11:13 -0700 (PDT) Received: from fedora.hsd1.ca.comcast.net ([2601:644:8002:1c20::8080]) by smtp.googlemail.com with ESMTPSA id ms4-20020a17090b234400b00210c84b8ae5sm1632101pjb.35.2022.11.02.09.11.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 02 Nov 2022 09:11:12 -0700 (PDT) From: "Vishal Moola (Oracle)" To: linux-fsdevel@vger.kernel.org Cc: linux-afs@lists.infradead.org, linux-kernel@vger.kernel.org, linux-btrfs@vger.kernel.org, ceph-devel@vger.kernel.org, linux-cifs@vger.kernel.org, linux-ext4@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, cluster-devel@redhat.com, linux-nilfs@vger.kernel.org, linux-mm@kvack.org, "Vishal Moola (Oracle)" , Matthew Wilcow Subject: [PATCH v4 04/23] page-writeback: Convert write_cache_pages() to use filemap_get_folios_tag() Date: Wed, 2 Nov 2022 09:10:12 -0700 Message-Id: <20221102161031.5820-5-vishal.moola@gmail.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221102161031.5820-1-vishal.moola@gmail.com> References: <20221102161031.5820-1-vishal.moola@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org Converted function to use folios throughout. This is in preparation for the removal of find_get_pages_range_tag(). This change removes 8 calls to compound_head(), and the function now supports large folios. Signed-off-by: Vishal Moola (Oracle) Reviewed-by: Matthew Wilcow (Oracle) --- mm/page-writeback.c | 44 +++++++++++++++++++++++--------------------- 1 file changed, 23 insertions(+), 21 deletions(-) diff --git a/mm/page-writeback.c b/mm/page-writeback.c index 7e9d8d857ecc..aeec8b196232 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -2286,15 +2286,15 @@ int write_cache_pages(struct address_space *mapping, int ret = 0; int done = 0; int error; - struct pagevec pvec; - int nr_pages; + struct folio_batch fbatch; + int nr_folios; pgoff_t index; pgoff_t end; /* Inclusive */ pgoff_t done_index; int range_whole = 0; xa_mark_t tag; - pagevec_init(&pvec); + folio_batch_init(&fbatch); if (wbc->range_cyclic) { index = mapping->writeback_index; /* prev offset */ end = -1; @@ -2314,17 +2314,18 @@ int write_cache_pages(struct address_space *mapping, while (!done && (index <= end)) { int i; - nr_pages = pagevec_lookup_range_tag(&pvec, mapping, &index, end, - tag); - if (nr_pages == 0) + nr_folios = filemap_get_folios_tag(mapping, &index, end, + tag, &fbatch); + + if (nr_folios == 0) break; - for (i = 0; i < nr_pages; i++) { - struct page *page = pvec.pages[i]; + for (i = 0; i < nr_folios; i++) { + struct folio *folio = fbatch.folios[i]; - done_index = page->index; + done_index = folio->index; - lock_page(page); + folio_lock(folio); /* * Page truncated or invalidated. We can freely skip it @@ -2334,30 +2335,30 @@ int write_cache_pages(struct address_space *mapping, * even if there is now a new, dirty page at the same * pagecache address. */ - 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) - wait_on_page_writeback(page); + folio_wait_writeback(folio); else goto continue_unlock; } - BUG_ON(PageWriteback(page)); - if (!clear_page_dirty_for_io(page)) + BUG_ON(folio_test_writeback(folio)); + if (!folio_clear_dirty_for_io(folio)) goto continue_unlock; trace_wbc_writepage(wbc, inode_to_bdi(mapping->host)); - error = (*writepage)(page, wbc, data); + error = writepage(&folio->page, wbc, data); if (unlikely(error)) { /* * Handle errors according to the type of @@ -2372,11 +2373,12 @@ int write_cache_pages(struct address_space *mapping, * the first error. */ if (error == AOP_WRITEPAGE_ACTIVATE) { - unlock_page(page); + folio_unlock(folio); error = 0; } else if (wbc->sync_mode != WB_SYNC_ALL) { ret = error; - done_index = page->index + 1; + done_index = folio->index + + folio_nr_pages(folio); done = 1; break; } @@ -2396,7 +2398,7 @@ int write_cache_pages(struct address_space *mapping, break; } } - pagevec_release(&pvec); + folio_batch_release(&fbatch); cond_resched(); }