From patchwork Mon Feb 11 08:35:04 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nikolay Borisov X-Patchwork-Id: 10805267 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 6138B13B4 for ; Mon, 11 Feb 2019 08:35:28 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5247329A21 for ; Mon, 11 Feb 2019 08:35:28 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 46E7E29BE9; Mon, 11 Feb 2019 08:35:28 +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=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI 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 EAB9729A21 for ; Mon, 11 Feb 2019 08:35:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727129AbfBKIfR (ORCPT ); Mon, 11 Feb 2019 03:35:17 -0500 Received: from mx2.suse.de ([195.135.220.15]:41524 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726363AbfBKIfQ (ORCPT ); Mon, 11 Feb 2019 03:35:16 -0500 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 9ECB9ACB8 for ; Mon, 11 Feb 2019 08:35:15 +0000 (UTC) From: Nikolay Borisov To: linux-btrfs@vger.kernel.org Cc: Nikolay Borisov Subject: [PATCH v2 06/12] btrfs: Introduce new bits for device allocation tree Date: Mon, 11 Feb 2019 10:35:04 +0200 Message-Id: <20190211083510.27591-7-nborisov@suse.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190211083510.27591-1-nborisov@suse.com> References: <20190211083510.27591-1-nborisov@suse.com> Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Rather than hijacking the existing defines let's just define new bits, with more descriptive names. Instead of using yet more (currently at 18) bits for the new flags, use the fact those flags will be specific to the device allocation tree so define them using existing EXTENT_* flags. Signed-off-by: Nikolay Borisov --- fs/btrfs/extent_io.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h index d7beb2b3bc7d..af7e00a3678c 100644 --- a/fs/btrfs/extent_io.h +++ b/fs/btrfs/extent_io.h @@ -29,6 +29,10 @@ EXTENT_CLEAR_DATA_RESV) #define EXTENT_CTLBITS (EXTENT_DO_ACCOUNTING) + +/* Redefined bits above which are used only in the device allocation tree */ +#define CHUNK_ALLOCATED EXTENT_DIRTY + /* * flags for bio submission. The high bits indicate the compression * type for this bio