From patchwork Wed Mar 31 18:47:13 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthew Wilcox X-Patchwork-Id: 12175963 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id AAC4BC433B4 for ; Wed, 31 Mar 2021 18:53:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7B72561059 for ; Wed, 31 Mar 2021 18:53:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235436AbhCaSxA (ORCPT ); Wed, 31 Mar 2021 14:53:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46286 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235809AbhCaSwb (ORCPT ); Wed, 31 Mar 2021 14:52:31 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CEAEFC061574; Wed, 31 Mar 2021 11:52:30 -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=sZgQF80BKFcXL1KhtXQhmco+ar+gKbSse6TKs0pgmFc=; b=IRtWHpUDVhL3uTEtjJ/oTIvKLD TVisxo8gexQZmH/JbZqj2lszyfKrHgULUNnN6ykUckX66rmYwvDmHXTnBevfwVQ/gsC3EuRvF2dJ1 dylJHM6s5+AtyCBxhrpVRRZrDbSqnFQEkoHhgH1fAtdUifQYzMXNsWvxHoCQF3Oid2KH4tAItKD0l ao7W3cmBOWkiQVy4z0hlpvxjaYhHWm3e+/zOxZt5+QtiDcfia6TNYq1u4OOwyOYV9P2DMMl6vS06Q B2UIVoJf1wEBZdjB48SDbINkgKD/guwd+tMADoxXN3qA7QhIhYfBe+dZJf9QZxDT621+nyCn9Zji7 Xro5w1ZQ==; Received: from willy by casper.infradead.org with local (Exim 4.94 #2 (Red Hat Linux)) id 1lRfwN-004zW2-Bx; Wed, 31 Mar 2021 18:51:49 +0000 From: "Matthew Wilcox (Oracle)" To: linux-mm@kvack.org Cc: "Matthew Wilcox (Oracle)" , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-cachefs@redhat.com, linux-afs@lists.infradead.org Subject: [PATCH v6 12/27] mm/filemap: Add folio_offset and folio_file_offset Date: Wed, 31 Mar 2021 19:47:13 +0100 Message-Id: <20210331184728.1188084-13-willy@infradead.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210331184728.1188084-1-willy@infradead.org> References: <20210331184728.1188084-1-willy@infradead.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org These are just wrappers around their page counterpart. Signed-off-by: Matthew Wilcox (Oracle) Reviewed-by: Christoph Hellwig --- include/linux/pagemap.h | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h index 3aefe6558f7d..b4570422a691 100644 --- a/include/linux/pagemap.h +++ b/include/linux/pagemap.h @@ -634,6 +634,16 @@ static inline loff_t page_file_offset(struct page *page) return ((loff_t)page_index(page)) << PAGE_SHIFT; } +static inline loff_t folio_offset(struct folio *folio) +{ + return page_offset(&folio->page); +} + +static inline loff_t folio_file_offset(struct folio *folio) +{ + return page_file_offset(&folio->page); +} + extern pgoff_t linear_hugepage_index(struct vm_area_struct *vma, unsigned long address);