From mboxrd@z Thu Jan 1 00:00:00 1970 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=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,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 5FC86C4360F for ; Wed, 27 Mar 2019 12:24:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 395CE2087C for ; Wed, 27 Mar 2019 12:24:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729049AbfC0MY0 (ORCPT ); Wed, 27 Mar 2019 08:24:26 -0400 Received: from mx2.suse.de ([195.135.220.15]:55242 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728385AbfC0MYY (ORCPT ); Wed, 27 Mar 2019 08:24:24 -0400 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 24D6CAF6A for ; Wed, 27 Mar 2019 12:24:23 +0000 (UTC) From: Nikolay Borisov To: linux-btrfs@vger.kernel.org Cc: Nikolay Borisov Subject: [PATCH v4 06/15] btrfs: Introduce new bits for device allocation tree Date: Wed, 27 Mar 2019 14:24:09 +0200 Message-Id: <20190327122418.24027-7-nborisov@suse.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190327122418.24027-1-nborisov@suse.com> References: <20190327122418.24027-1-nborisov@suse.com> Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org 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 7732b6a7384d..0fda249e5982 100644 --- a/fs/btrfs/extent_io.h +++ b/fs/btrfs/extent_io.h @@ -27,6 +27,10 @@ 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 -- 2.17.1