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: 13028383 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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id DE16FC43217 for ; Wed, 2 Nov 2022 16:11:15 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 3E5C48E0007; Wed, 2 Nov 2022 12:11:15 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 3943B8E0001; Wed, 2 Nov 2022 12:11:15 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 20E428E0007; Wed, 2 Nov 2022 12:11:15 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0015.hostedemail.com [216.40.44.15]) by kanga.kvack.org (Postfix) with ESMTP id 1292D8E0001 for ; Wed, 2 Nov 2022 12:11:15 -0400 (EDT) Received: from smtpin21.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay03.hostedemail.com (Postfix) with ESMTP id D65B3A11F1 for ; Wed, 2 Nov 2022 16:11:14 +0000 (UTC) X-FDA: 80088991668.21.FEB8614 Received: from mail-pl1-f175.google.com (mail-pl1-f175.google.com [209.85.214.175]) by imf22.hostedemail.com (Postfix) with ESMTP id 52A96C000F for ; Wed, 2 Nov 2022 16:11:14 +0000 (UTC) Received: by mail-pl1-f175.google.com with SMTP id c2so17007219plz.11 for ; 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=b07Bz5F0zVw1btNJvnx3v8Do9ZPW7R7T2L4JktQWLR0Xfb7WFWTdaaIMNjo05Wni2P 0BtSoJuUzTO/tymzX5wc0VSme6wy4nHr7pVbFMm31jsEqaVoye0i4bx5dYFdXh2zoPQd 2VOFlj4enQ1DtdbQxdQSoQccPyY9r6BNvSAEtlTFwvtNxmSWDGkh9jpdHErQv2K9goFV +SiXm6rcp+heBguoM+TDeZW+kC1FOY52FTwpwNL0dsby+viqARLp6clf0qNzkNSrBlk8 Rcp315SJ9qyUsUhaWm4IL8JAZUnEo7f4e8ivKkm4ehjw9CVQgh1HHZFxn49kxFSFArU3 cQ0A== X-Gm-Message-State: ACrzQf21qDAb5da9Duzleix48sUm0fvWNsYJI3Nc2SAJtfs3waTSYwU2 /gRP6ws0INgg/FeVy2rbd2k= 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 ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1667405474; a=rsa-sha256; cv=none; b=PazUB1KtO5StZG3RLucyg9gBV5cBOFDjYkChiMKp3fIvyEw7EnuIAORoBaFrqWu6E8Cfzg XbCjN1VIWWTe0tDZFYTBVHUsM1W7+OPkpCffTYmk7lE31t4EdEsGrv6InKRMrsKb+1i5bD tMAKJ7UEUl22wo0NGpmAm8H2H2ScB1Q= ARC-Authentication-Results: i=1; imf22.hostedemail.com; dkim=pass header.d=gmail.com header.s=20210112 header.b="Gia/2xQt"; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (imf22.hostedemail.com: domain of vishal.moola@gmail.com designates 209.85.214.175 as permitted sender) smtp.mailfrom=vishal.moola@gmail.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1667405474; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=UvlibGQjIurNf1opibXHL1DiqttY5CNVP0rYORWfAjI=; b=EnK1sivYPmKxGm+gTTwXmPvMamfbeBrXe327HeIfZyIOdWgbJr+EB/mkOD95aQol8qGIah drDI6rFwH2UNW2SlM2GdfcH83ZlTFkLfi8l5QEiQNlY+/EnRhbT0vioWqK5fmYoMyY1D07 jykAJDlF+YtmtPhBqF4tNzeXO6Qw4uc= X-Stat-Signature: t9g4iiymbuq93oippk3gutampwj6gpab X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 52A96C000F X-Rspam-User: Authentication-Results: imf22.hostedemail.com; dkim=pass header.d=gmail.com header.s=20210112 header.b="Gia/2xQt"; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (imf22.hostedemail.com: domain of vishal.moola@gmail.com designates 209.85.214.175 as permitted sender) smtp.mailfrom=vishal.moola@gmail.com X-HE-Tag: 1667405474-746056 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: 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(); }