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=-2.9 required=3.0 tests=DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,T_DKIM_INVALID, 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 0F68BC46464 for ; Thu, 9 Aug 2018 18:05:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C4CEF21F45 for ; Thu, 9 Aug 2018 18:05:53 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="EFo8X/Tg" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C4CEF21F45 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=elisp.net Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727166AbeHIUbu (ORCPT ); Thu, 9 Aug 2018 16:31:50 -0400 Received: from mail-pf1-f194.google.com ([209.85.210.194]:39836 "EHLO mail-pf1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726944AbeHIUbt (ORCPT ); Thu, 9 Aug 2018 16:31:49 -0400 Received: by mail-pf1-f194.google.com with SMTP id j8-v6so3214233pff.6; Thu, 09 Aug 2018 11:05:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references; bh=PvQdS+YZIe+wiJ5ieDWw5b4M533zcVegstwJ0CglGQE=; b=EFo8X/TgD3VahlIHAUsX5R/ySsxz4FgZTSJTKfbfPtQZGnrRqBe9WsUy/yLRV+Ee0O LpovQvvaUYyXWIC414eM4PiJbgtno7RPoX2I92juVOoxgbNIDez0UXf4vkBLNOuMyeen EqT3bxCGXhT4BmNSo3jXs5Ljbre6bvC6EIzdLw31EJS9ARzZeAV3W2k8KaMTCWxIjwd7 iDmia0T7L+npj3eLJq/NjBZY7eAlGfxpw36XEF+KmBWRkpXLww937FZTOSuzGPiS5Kvu UgrBHTOmWX8ZG5df9L7yLaEx77/gmWBzVEZHcXkDhDokZOZmdI3YDtamhxDbJytrfuSN B5gg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :in-reply-to:references; bh=PvQdS+YZIe+wiJ5ieDWw5b4M533zcVegstwJ0CglGQE=; b=b2Orjiy/ZZl/mYj9qP6AkGq6Q5L5J2UKxBO2/ld8VLQ+/scmm/sV+wKQuSHKLsn+yQ IgjT4M5ONoxR6C8y/kDdZ6nKe9+cqwJFlJ9IFgLLx1fdhHliYAeq2CoIMFkAbGrXB4Gg izfDfgWWKAra4o1gOHXKKUF+PavFtINivTOzZiMShLMsZXQO3hRxQ2UUaBlLCAedQOgo ILrRXkTNoi6vjn6jVsCqKQpYV5ju1dY4qYz+h2UxHNxqYDXM3LouhyW9SbnQAZxDDb7e 44+IzFbqgiaQws80K6PkegnPLFEgJWRdvVG7pEdZ3pChBROs4BRPVxe9sgouuEvE/xju EVBw== X-Gm-Message-State: AOUpUlFdJc+eQYPa3uEu46X0y/YQ1exnxVfCYSWPv/z2aXOxXYV4kWEJ uq+ru5xgTCXOC/rR6gswlw0= X-Google-Smtp-Source: AA+uWPxuIBWQd+veUoDBmAVeOkXD3FTg3Kq/caxQCUmofXJrs5CwnuYX2LcrL9mZkcUlJiCBf5phVQ== X-Received: by 2002:a63:5421:: with SMTP id i33-v6mr3157893pgb.417.1533837950755; Thu, 09 Aug 2018 11:05:50 -0700 (PDT) Received: from localhost (h101-111-148-072.catv02.itscom.jp. [101.111.148.72]) by smtp.gmail.com with ESMTPSA id t1-v6sm7299480pgp.32.2018.08.09.11.05.49 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 09 Aug 2018 11:05:50 -0700 (PDT) From: Naohiro Aota To: David Sterba , linux-btrfs@vger.kernel.org Cc: Chris Mason , Josef Bacik , linux-kernel@vger.kernel.org, Hannes Reinecke , Damien Le Moal , Bart Van Assche , Matias Bjorling , Naohiro Aota Subject: [RFC PATCH 01/17] btrfs: introduce HMZONED feature flag Date: Fri, 10 Aug 2018 03:04:34 +0900 Message-Id: <20180809180450.5091-2-naota@elisp.net> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20180809180450.5091-1-naota@elisp.net> References: <20180809180450.5091-1-naota@elisp.net> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch introduces the HMZONED incompat flag. The flag indicates that the volume management will satisfy the constraints imposed by host-managed zoned block devices. Signed-off-by: Damien Le Moal Signed-off-by: Naohiro Aota --- fs/btrfs/sysfs.c | 2 ++ include/uapi/linux/btrfs.h | 1 + 2 files changed, 3 insertions(+) diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c index 3717c864ba23..8065d416fb38 100644 --- a/fs/btrfs/sysfs.c +++ b/fs/btrfs/sysfs.c @@ -191,6 +191,7 @@ BTRFS_FEAT_ATTR_INCOMPAT(extended_iref, EXTENDED_IREF); BTRFS_FEAT_ATTR_INCOMPAT(raid56, RAID56); BTRFS_FEAT_ATTR_INCOMPAT(skinny_metadata, SKINNY_METADATA); BTRFS_FEAT_ATTR_INCOMPAT(no_holes, NO_HOLES); +BTRFS_FEAT_ATTR_INCOMPAT(hmzoned, HMZONED); BTRFS_FEAT_ATTR_COMPAT_RO(free_space_tree, FREE_SPACE_TREE); static struct attribute *btrfs_supported_feature_attrs[] = { @@ -204,6 +205,7 @@ static struct attribute *btrfs_supported_feature_attrs[] = { BTRFS_FEAT_ATTR_PTR(raid56), BTRFS_FEAT_ATTR_PTR(skinny_metadata), BTRFS_FEAT_ATTR_PTR(no_holes), + BTRFS_FEAT_ATTR_PTR(hmzoned), BTRFS_FEAT_ATTR_PTR(free_space_tree), NULL }; diff --git a/include/uapi/linux/btrfs.h b/include/uapi/linux/btrfs.h index 245aace2a400..c37b31a5b29d 100644 --- a/include/uapi/linux/btrfs.h +++ b/include/uapi/linux/btrfs.h @@ -269,6 +269,7 @@ struct btrfs_ioctl_fs_info_args { #define BTRFS_FEATURE_INCOMPAT_RAID56 (1ULL << 7) #define BTRFS_FEATURE_INCOMPAT_SKINNY_METADATA (1ULL << 8) #define BTRFS_FEATURE_INCOMPAT_NO_HOLES (1ULL << 9) +#define BTRFS_FEATURE_INCOMPAT_HMZONED (1ULL << 10) struct btrfs_ioctl_feature_flags { __u64 compat_flags; -- 2.18.0