From patchwork Tue Nov 27 19:53:52 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Sterba X-Patchwork-Id: 10701373 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 CEF8113AD for ; Tue, 27 Nov 2018 19:54:11 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C1D9E2BFA2 for ; Tue, 27 Nov 2018 19:54:11 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B64002C004; Tue, 27 Nov 2018 19:54:11 +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 6CE5D2BFA2 for ; Tue, 27 Nov 2018 19:54:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726422AbeK1GxJ (ORCPT ); Wed, 28 Nov 2018 01:53:09 -0500 Received: from mx2.suse.de ([195.135.220.15]:35272 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725764AbeK1GxJ (ORCPT ); Wed, 28 Nov 2018 01:53:09 -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 D4650AC3E for ; Tue, 27 Nov 2018 19:54:08 +0000 (UTC) Received: by ds.suse.cz (Postfix, from userid 10065) id C7DD2DAC3A; Tue, 27 Nov 2018 20:53:52 +0100 (CET) From: David Sterba To: linux-btrfs@vger.kernel.org Cc: David Sterba Subject: [PATCH 6/9] btrfs: switch EXTENT_FLAG_* to enums Date: Tue, 27 Nov 2018 20:53:52 +0100 Message-Id: <782a5658022cf91415f8ef168d57616ebab276f0.1543348078.git.dsterba@suse.com> X-Mailer: git-send-email 2.19.1 In-Reply-To: References: MIME-Version: 1.0 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 We can use simple enum for values that are not part of on-disk format: extent map flags. Signed-off-by: David Sterba Reviewed-by: Omar Sandoval Reviewed-by: Qu Wenruo Reviewed-by: Johannes Thumshirn --- fs/btrfs/extent_map.h | 21 ++++++++++++++------- 1 file changed, 14 insertions(+), 7 deletions(-) diff --git a/fs/btrfs/extent_map.h b/fs/btrfs/extent_map.h index 31977ffd6190..ef05a0121652 100644 --- a/fs/btrfs/extent_map.h +++ b/fs/btrfs/extent_map.h @@ -11,13 +11,20 @@ #define EXTENT_MAP_INLINE ((u64)-2) #define EXTENT_MAP_DELALLOC ((u64)-1) -/* bits for the flags field */ -#define EXTENT_FLAG_PINNED 0 /* this entry not yet on disk, don't free it */ -#define EXTENT_FLAG_COMPRESSED 1 -#define EXTENT_FLAG_PREALLOC 3 /* pre-allocated extent */ -#define EXTENT_FLAG_LOGGING 4 /* Logging this extent */ -#define EXTENT_FLAG_FILLING 5 /* Filling in a preallocated extent */ -#define EXTENT_FLAG_FS_MAPPING 6 /* filesystem extent mapping type */ +/* bits for the extent_map::flags field */ +enum { + /* this entry not yet on disk, don't free it */ + EXTENT_FLAG_PINNED, + EXTENT_FLAG_COMPRESSED, + /* pre-allocated extent */ + EXTENT_FLAG_PREALLOC, + /* Logging this extent */ + EXTENT_FLAG_LOGGING, + /* Filling in a preallocated extent */ + EXTENT_FLAG_FILLING, + /* filesystem extent mapping type */ + EXTENT_FLAG_FS_MAPPING, +}; struct extent_map { struct rb_node rb_node;