From patchwork Thu Nov 17 00:17:35 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthew Wilcox X-Patchwork-Id: 9433147 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 61A116021C for ; Wed, 16 Nov 2016 22:42:26 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 526CA29179 for ; Wed, 16 Nov 2016 22:42:26 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 46F6E2917A; Wed, 16 Nov 2016 22:42:26 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.4 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RCVD_IN_SORBS_SPAM autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C464428F01 for ; Wed, 16 Nov 2016 22:42:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1423193AbcKPWmT (ORCPT ); Wed, 16 Nov 2016 17:42:19 -0500 Received: from p3plsmtps2ded02.prod.phx3.secureserver.net ([208.109.80.59]:59526 "EHLO p3plsmtps2ded02.prod.phx3.secureserver.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S940575AbcKPWfY (ORCPT ); Wed, 16 Nov 2016 17:35:24 -0500 Received: from linuxonhyperv.com ([72.167.245.219]) by : HOSTING RELAY : with SMTP id 78bfc1z8tO2Wo78bfc4YkZ; Wed, 16 Nov 2016 15:23:03 -0700 x-originating-ip: 72.167.245.219 Received: by linuxonhyperv.com (Postfix, from userid 528) id 632401902A5; Wed, 16 Nov 2016 16:18:00 -0800 (PST) From: Matthew Wilcox To: linux-kernel@vger.kernel.org, Andrew Morton , Konstantin Khlebnikov , Ross Zwisler Cc: linux-fsdevel@vger.kernel.org, Matthew Wilcox , linux-mm@kvack.org, "Kirill A . Shutemov" Subject: [PATCH 28/29] radix-tree: Create all_tag_set Date: Wed, 16 Nov 2016 16:17:35 -0800 Message-Id: <1479341856-30320-71-git-send-email-mawilcox@linuxonhyperv.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1479341856-30320-1-git-send-email-mawilcox@linuxonhyperv.com> References: <1479341856-30320-1-git-send-email-mawilcox@linuxonhyperv.com> X-CMAE-Envelope: MS4wfC7gyTSeBxx+x4f2XL9XwexeU1IrJs4MMrfTSoDLLEB7MYdCsaqYWRCfdzZaGx67u9KAKrpDFT3rcTAG2kVFZJ5lRYc3N4sSyNC/CpSWb5PmkSJ4QHHq dmYPJqPM9lJh475rX7Ww8k5HcsQ7PlbZKHpzJn0CGefKRvoqfdMJysusIIFbD7Go3R1cllGS+wV2MK42gJkl0zh0o0PVMSXaJpwpYjzQO6W/02ucnqAJIFKw lnymGa0KQR5crmc8OplxRhqui7ZJ1aFPDxuNa0vAptuJ/htJLZpTykxtRyWp+C72ZG0O4dRV0w9szERz0dLOPnu3KzNpgb5zGk2klrQlf+j1TkmcQikCWKhD 4vrbz0CzwJv5aYtNXcqhFqfvwpDxqCGGvcd3IUqs2Vrp6ABUyozkC9r19DXfyKvUktI7xdU+i1hKtwGKHXrFccA2oxfo8/UbH+WDDfxwkVmy/+sQ/lg= Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Matthew Wilcox all_tag_set() sets every tag on a node. This is useful for the IDR code when we're creating new nodes which contain only free slots. Signed-off-by: Matthew Wilcox --- lib/radix-tree.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/lib/radix-tree.c b/lib/radix-tree.c index c8ef657..e063ca2 100644 --- a/lib/radix-tree.c +++ b/lib/radix-tree.c @@ -22,6 +22,8 @@ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ +#include +#include #include #include #include @@ -33,7 +35,6 @@ #include #include #include -#include #include #include /* in_interrupt() */ @@ -184,6 +185,11 @@ static inline int any_tag_set(struct radix_tree_node *node, unsigned int tag) return 0; } +static inline void all_tag_set(struct radix_tree_node *node, unsigned int tag) +{ + bitmap_fill(node->tags[tag], RADIX_TREE_MAP_SIZE); +} + /** * radix_tree_find_next_bit - find the next set bit in a memory region *