From patchwork Wed Jan 4 21:14:35 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vishal Moola X-Patchwork-Id: 13088977 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 64394C678D5 for ; Wed, 4 Jan 2023 21:16:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240446AbjADVPs (ORCPT ); Wed, 4 Jan 2023 16:15:48 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57416 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240335AbjADVPN (ORCPT ); Wed, 4 Jan 2023 16:15:13 -0500 Received: from mail-pl1-x635.google.com (mail-pl1-x635.google.com [IPv6:2607:f8b0:4864:20::635]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 287D11DDD3; Wed, 4 Jan 2023 13:15:11 -0800 (PST) Received: by mail-pl1-x635.google.com with SMTP id p24so14704734plw.11; Wed, 04 Jan 2023 13:15:11 -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=bHssniIq+RlTj6I0G4i7GbLR9EaGoRL5pu7+dnl0w2w=; b=O/D+NyPTy4M1sTh+3k/lC1rj/VKJWtCGwMlhTfn6qpBhtlxCb9k3sWDk9Z0oOhWhza 3YwunlQmpmQxHIwc3slP5cWFOfArgatFhNuDOerJW0qUBaI5Zgn5t2tO2YQmHBKWt0/g MFSh/uQIxzlLLmgNa+OoXc3BzfvnfBPdtpNgXKui16mDPVeraZQtRKVUTS73rT71TPkz aIA4qX4NfhLb32N2QF9lXy9drDX9/rkV28NsYpAoVy0G5yfIgIIv+sWh1wOSNzvEDIG6 wJ4oTDHW5KSfgFq7up1/6mIHSjyF7qj/i6841phIxUGWM6AsJ76lWkCXX+vMLrxxAo9V fPYQ== 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=bHssniIq+RlTj6I0G4i7GbLR9EaGoRL5pu7+dnl0w2w=; b=lHcZ2fbHOWZj7p18+C/oYZRDxWviM4/HylGSm1vcnE5/u2DDoQUfGhvCaK5mX6xq+X nz6gnfu7nKKFIVhpzLXV1daJbeMF5mnQMlvQ926WFJsmz9ck+xYaPkwDUv9mVTFS8SUi K9JZyB+6PINBkrXhScBJWQ4HnCRE7D9njsngnhj/shWcMh+kjhgdrbu1MfphnO4KQxOS LppnsUkw2LVaINtwSo1EcYnf0T5kn4u9hL3Q1O3/zI89/1XZ3ODjoBoRIwpT0hL4A4hB ZyEYzxPbYkX6/OO4lQjrwMe0a5OsdvvudJElC8JBVbWf2Dn9cCQFE3Gc+Wl3//IvLn63 EOsg== X-Gm-Message-State: AFqh2krXYo06zVQuyFV8hY+WFmZv+lRCEN5i+IXw0zjOoozz8SPwqbEA XsXMSXibu4EqeOVWZC/bnIcfTg3Smi1SfA== X-Google-Smtp-Source: AMrXdXvz9PRTiN1Iw35FsCYmgqPK+8WXm1LuX9COnFA/dLcxFRJCp85h7YOKjNSg0G/oIOwdsOogTA== X-Received: by 2002:a17:90b:3793:b0:226:744:d46a with SMTP id mz19-20020a17090b379300b002260744d46amr31270463pjb.41.1672866910524; Wed, 04 Jan 2023 13:15:10 -0800 (PST) Received: from fedora.hsd1.ca.comcast.net ([2601:644:8002:1c20::a55d]) by smtp.googlemail.com with ESMTPSA id i8-20020a17090a138800b00226369149cesm6408pja.21.2023.01.04.13.15.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 Jan 2023 13:15:10 -0800 (PST) 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)" Subject: [PATCH v5 10/23] ext4: Convert mpage_prepare_extent_to_map() to use filemap_get_folios_tag() Date: Wed, 4 Jan 2023 13:14:35 -0800 Message-Id: <20230104211448.4804-11-vishal.moola@gmail.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20230104211448.4804-1-vishal.moola@gmail.com> References: <20230104211448.4804-1-vishal.moola@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: ceph-devel@vger.kernel.org Converted the function to use folios throughout. This is in preparation for the removal of find_get_pages_range_tag(). Now supports large folios. This change removes 11 calls to compound_head(). Signed-off-by: Vishal Moola (Oracle) --- fs/ext4/inode.c | 65 ++++++++++++++++++++++++------------------------- 1 file changed, 32 insertions(+), 33 deletions(-) diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 9d9f414f99fe..fb6cd994e59a 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -2595,8 +2595,8 @@ static bool ext4_page_nomap_can_writeout(struct page *page) static int mpage_prepare_extent_to_map(struct mpage_da_data *mpd) { struct address_space *mapping = mpd->inode->i_mapping; - struct pagevec pvec; - unsigned int nr_pages; + struct folio_batch fbatch; + unsigned int nr_folios; long left = mpd->wbc->nr_to_write; pgoff_t index = mpd->first_page; pgoff_t end = mpd->last_page; @@ -2610,18 +2610,17 @@ static int mpage_prepare_extent_to_map(struct mpage_da_data *mpd) tag = PAGECACHE_TAG_TOWRITE; else tag = PAGECACHE_TAG_DIRTY; - - pagevec_init(&pvec); + folio_batch_init(&fbatch); mpd->map.m_len = 0; mpd->next_page = index; while (index <= end) { - 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]; /* * Accumulated enough dirty pages? This doesn't apply @@ -2635,10 +2634,10 @@ static int mpage_prepare_extent_to_map(struct mpage_da_data *mpd) goto out; /* If we can't merge this page, we are done. */ - if (mpd->map.m_len > 0 && mpd->next_page != page->index) + if (mpd->map.m_len > 0 && mpd->next_page != folio->index) goto out; - lock_page(page); + folio_lock(folio); /* * If the page is no longer dirty, or its mapping no * longer corresponds to inode we are writing (which @@ -2646,16 +2645,16 @@ static int mpage_prepare_extent_to_map(struct mpage_da_data *mpd) * page is already under writeback and we are not doing * a data integrity writeback, skip the page */ - if (!PageDirty(page) || - (PageWriteback(page) && + if (!folio_test_dirty(folio) || + (folio_test_writeback(folio) && (mpd->wbc->sync_mode == WB_SYNC_NONE)) || - unlikely(page->mapping != mapping)) { - unlock_page(page); + unlikely(folio->mapping != mapping)) { + folio_unlock(folio); continue; } - wait_on_page_writeback(page); - BUG_ON(PageWriteback(page)); + folio_wait_writeback(folio); + BUG_ON(folio_test_writeback(folio)); /* * Should never happen but for buggy code in @@ -2666,49 +2665,49 @@ static int mpage_prepare_extent_to_map(struct mpage_da_data *mpd) * * [1] https://lore.kernel.org/linux-mm/20180103100430.GE4911@quack2.suse.cz */ - if (!page_has_buffers(page)) { - ext4_warning_inode(mpd->inode, "page %lu does not have buffers attached", page->index); - ClearPageDirty(page); - unlock_page(page); + if (!folio_buffers(folio)) { + ext4_warning_inode(mpd->inode, "page %lu does not have buffers attached", folio->index); + folio_clear_dirty(folio); + folio_unlock(folio); continue; } if (mpd->map.m_len == 0) - mpd->first_page = page->index; - mpd->next_page = page->index + 1; + mpd->first_page = folio->index; + mpd->next_page = folio->index + folio_nr_pages(folio); /* * Writeout for transaction commit where we cannot * modify metadata is simple. Just submit the page. */ if (!mpd->can_map) { - if (ext4_page_nomap_can_writeout(page)) { - err = mpage_submit_page(mpd, page); + if (ext4_page_nomap_can_writeout(&folio->page)) { + err = mpage_submit_page(mpd, &folio->page); if (err < 0) goto out; } else { - unlock_page(page); - mpd->first_page++; + folio_unlock(folio); + mpd->first_page += folio_nr_pages(folio); } } else { /* Add all dirty buffers to mpd */ - lblk = ((ext4_lblk_t)page->index) << + lblk = ((ext4_lblk_t)folio->index) << (PAGE_SHIFT - blkbits); - head = page_buffers(page); + head = folio_buffers(folio); err = mpage_process_page_bufs(mpd, head, head, - lblk); + lblk); if (err <= 0) goto out; err = 0; } - left--; + left -= folio_nr_pages(folio); } - pagevec_release(&pvec); + folio_batch_release(&fbatch); cond_resched(); } mpd->scanned_until_end = 1; return 0; out: - pagevec_release(&pvec); + folio_batch_release(&fbatch); return err; }