From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Vishal Moola (Oracle)" Subject: [PATCH v5 04/23] page-writeback: Convert write_cache_pages() to use filemap_get_folios_tag() Date: Wed, 4 Jan 2023 13:14:29 -0800 Message-ID: <20230104211448.4804-5-vishal.moola@gmail.com> References: <20230104211448.4804-1-vishal.moola@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sourceforge.net; s=x; h=Content-Transfer-Encoding:MIME-Version:References: In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=uFWiZotH2hHO/dqZz3ekRRXvMmeZ6crkehTB/0Ti1xA=; b=StFxyuH33GBjEJFckCgoex7IU1 WRqoqzY2dovdGcBijb2KeusbRFP602Q7xAaCJokaZx8VZ3YPWvdojg02+r5svOuR86WBWNSi48oSN QlrF9QKkuUcTcCQP9himXO+F2Dp9KmTrui8qAkq4MV768z/fNy+7qCtZGJLCZyBytDWw=; DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sf.net; s=x ; h=Content-Transfer-Encoding:MIME-Version:References:In-Reply-To:Message-Id: Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=uFWiZotH2hHO/dqZz3ekRRXvMmeZ6crkehTB/0Ti1xA=; b=Akyr2+e4RDhSKRLCcFjVj9zPDe Jj3zvX7e8axHLjEfiTy9buZt8/Zsrmw13HRbNeBBFE2qvKMtKoqiyNskN8Nhq10XBlOyFxnTLlzEC BaFlDVFPkz+HMU11BfWOPi3/LXnKk7hR1Bl66NwoSL7qHjg32qSFG8gSvn6G135fGPog=; 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=uFWiZotH2hHO/dqZz3ekRRXvMmeZ6crkehTB/0Ti1xA=; b=PJJR7HrEap3tSH1Krm3xKRqYuv2+ZnILQzCAZ4FvA6g7y0di41mF1AmB7b4LucnLPW 9SnkknLaQi9JPN7HiqQursF5IJIh8x4Go7xxIzVvYbBtPjzAmZtsns33bPkPsrt+hy50 mCiKeevBosZyzcK2IMA4wvhDdxllKMI0cCC9SxOGeZRrOeURvnO4TDKbleugnCd9p6Lb 743pneGz2xpnNZHO7fCMj35WHO1f/RGQIweETnZKQ8XOTIemf3fMpTvzMTMPSOgKVRuz JEcncOEIDLTioi5zOdKBwUNvJ1hrNSt/h0sKN3+bcLYhECKpZRcloIieHM2fofEPAV8A w3mg== In-Reply-To: <20230104211448.4804-1-vishal.moola@gmail.com> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net To: linux-fsdevel@vger.kernel.org Cc: linux-cifs@vger.kernel.org, linux-nilfs@vger.kernel.org, "Vishal Moola (Oracle)" , linux-kernel@vger.kernel.org, Matthew Wilcow , linux-f2fs-devel@lists.sourceforge.net, cluster-devel@redhat.com, linux-mm@kvack.org, ceph-devel@vger.kernel.org, linux-ext4@vger.kernel.org, linux-afs@lists.infradead.org, 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 ad608ef2a243..5d61fa9eecc0 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -2398,15 +2398,15 @@ 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; @@ -2426,17 +2426,18 @@ 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 @@ -2446,30 +2447,30 @@ 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 @@ -2484,11 +2485,12 @@ 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; } @@ -2508,7 +2510,7 @@ int write_cache_pages(struct address_space *mapping, break; } } - pagevec_release(&pvec); + folio_batch_release(&fbatch); cond_resched(); } -- 2.38.1