From patchwork Fri Aug 25 20:12:19 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthew Wilcox X-Patchwork-Id: 13366293 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 8134BC83EC5 for ; Fri, 25 Aug 2023 20:13:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231135AbjHYUNV (ORCPT ); Fri, 25 Aug 2023 16:13:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56736 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230313AbjHYUNF (ORCPT ); Fri, 25 Aug 2023 16:13:05 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8393C2689; Fri, 25 Aug 2023 13:13:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; 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; bh=dfPpMfT3npKcuIPDMg3T+cilMd95HrxU5W9P9LLusR8=; b=dK2IXa0WnxfkxKPz1IUR3RfKVO VdCaZiOH+iSafL7SHw4SfCTmiDtvTx1g9OWjN7/K185D3gORpdSBGAHsSj5Md/ahto23OUtSWw3/w niisieIEhpPUJLwQL7xyznQP1VA7F/E+JbHRDJOUiLqacYM8zfTelFZR7nCNz4SiHfukxnslHfHjA h9ubXySZwNnqKCp3ksA0Pf7X5RF/HvWSIy5mHE/Ye8CQW45BOz35akqeWGxqEF9xOITjY6bk+12Dk dGbBOQlhlnxbCLC8F2uBN9fDESTH0ZJzd8+XYo3JRa5MyuHqJUOLq1z1bP9WAtd0p6RJ28EDFSlaG 4+GKW+yQ==; Received: from willy by casper.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1qZdAV-001SZu-QY; Fri, 25 Aug 2023 20:12:31 +0000 From: "Matthew Wilcox (Oracle)" To: Xiubo Li , Ilya Dryomov Cc: "Matthew Wilcox (Oracle)" , Jeff Layton , ceph-devel@vger.kernel.org, David Howells , linux-fsdevel@vger.kernel.org Subject: [PATCH 09/15] ceph: Use a folio in ceph_filemap_fault() Date: Fri, 25 Aug 2023 21:12:19 +0100 Message-Id: <20230825201225.348148-10-willy@infradead.org> X-Mailer: git-send-email 2.37.1 In-Reply-To: <20230825201225.348148-1-willy@infradead.org> References: <20230825201225.348148-1-willy@infradead.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: ceph-devel@vger.kernel.org This leg of the function is concerned with inline data, so we know it's at index 0 and contains only a single page. Signed-off-by: Matthew Wilcox (Oracle) --- fs/ceph/addr.c | 21 +++++++++++---------- 1 file changed, 11 insertions(+), 10 deletions(-) diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c index 765b37db2729..1812c3e6e64f 100644 --- a/fs/ceph/addr.c +++ b/fs/ceph/addr.c @@ -1608,29 +1608,30 @@ static vm_fault_t ceph_filemap_fault(struct vm_fault *vmf) ret = VM_FAULT_SIGBUS; } else { struct address_space *mapping = inode->i_mapping; - struct page *page; + struct folio *folio; filemap_invalidate_lock_shared(mapping); - page = find_or_create_page(mapping, 0, + folio = __filemap_get_folio(mapping, 0, + FGP_LOCK|FGP_ACCESSED|FGP_CREAT, mapping_gfp_constraint(mapping, ~__GFP_FS)); - if (!page) { + if (!folio) { ret = VM_FAULT_OOM; goto out_inline; } - err = __ceph_do_getattr(inode, page, + err = __ceph_do_getattr(inode, &folio->page, CEPH_STAT_CAP_INLINE_DATA, true); if (err < 0 || off >= i_size_read(inode)) { - unlock_page(page); - put_page(page); + folio_unlock(folio); + folio_put(folio); ret = vmf_error(err); goto out_inline; } if (err < PAGE_SIZE) - zero_user_segment(page, err, PAGE_SIZE); + folio_zero_segment(folio, err, folio_size(folio)); else - flush_dcache_page(page); - SetPageUptodate(page); - vmf->page = page; + flush_dcache_folio(folio); + folio_mark_uptodate(folio); + vmf->page = folio_page(folio, 0); ret = VM_FAULT_MAJOR | VM_FAULT_LOCKED; out_inline: filemap_invalidate_unlock_shared(mapping);