From patchwork Fri Apr 1 20:14:25 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jeff Mahoney X-Patchwork-Id: 8727351 Return-Path: X-Original-To: patchwork-linux-btrfs@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id C2903C0553 for ; Fri, 1 Apr 2016 20:14:46 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id E7445203AB for ; Fri, 1 Apr 2016 20:14:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 080E420390 for ; Fri, 1 Apr 2016 20:14:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752604AbcDAUOl (ORCPT ); Fri, 1 Apr 2016 16:14:41 -0400 Received: from mx2.suse.de ([195.135.220.15]:34093 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751184AbcDAUOj (ORCPT ); Fri, 1 Apr 2016 16:14:39 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay1.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 80410ABED for ; Fri, 1 Apr 2016 20:14:37 +0000 (UTC) Received: by starscream.home.jeffm.io (Postfix, from userid 1000) id 1B811853FB; Fri, 1 Apr 2016 16:14:37 -0400 (EDT) From: Jeff Mahoney To: Btrfs Development List Cc: Jeff Mahoney Subject: [PATCH 3/8] btrfs: uapi/linux/btrfs.h migration, document subvol flags Date: Fri, 1 Apr 2016 16:14:25 -0400 Message-Id: <1459541670-4097-4-git-send-email-jeffm@suse.com> X-Mailer: git-send-email 2.7.1 In-Reply-To: <1459541670-4097-1-git-send-email-jeffm@suse.com> References: <1459541670-4097-1-git-send-email-jeffm@suse.com> Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org X-Spam-Status: No, score=-7.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Jeff Mahoney Reviewed-by: Liu Bo --- include/uapi/linux/btrfs.h | 17 ++++++++++++++--- 1 file changed, 14 insertions(+), 3 deletions(-) diff --git a/include/uapi/linux/btrfs.h b/include/uapi/linux/btrfs.h index 9651af3..0316e23 100644 --- a/include/uapi/linux/btrfs.h +++ b/include/uapi/linux/btrfs.h @@ -34,9 +34,6 @@ struct btrfs_ioctl_vol_args { #define BTRFS_DEVICE_PATH_NAME_MAX 1024 -#define BTRFS_SUBVOL_CREATE_ASYNC (1ULL << 0) -#define BTRFS_SUBVOL_RDONLY (1ULL << 1) -#define BTRFS_SUBVOL_QGROUP_INHERIT (1ULL << 2) #define BTRFS_FSID_SIZE 16 #define BTRFS_UUID_SIZE 16 #define BTRFS_UUID_UNPARSED_SIZE 37 @@ -85,6 +82,20 @@ struct btrfs_ioctl_qgroup_limit_args { struct btrfs_qgroup_limit lim; }; +/* + * flags for subvolumes + * + * Used by: + * struct btrfs_ioctl_vol_args_v2.flags + * + * BTRFS_SUBVOL_RDONLY is also provided/consumed by the following ioctls: + * - BTRFS_IOC_SUBVOL_GETFLAGS + * - BTRFS_IOC_SUBVOL_SETFLAGS + */ +#define BTRFS_SUBVOL_CREATE_ASYNC (1ULL << 0) +#define BTRFS_SUBVOL_RDONLY (1ULL << 1) +#define BTRFS_SUBVOL_QGROUP_INHERIT (1ULL << 2) + #define BTRFS_SUBVOL_NAME_MAX 4039 struct btrfs_ioctl_vol_args_v2 { __s64 fd;