From patchwork Fri Jun 7 13:10:07 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Naohiro Aota X-Patchwork-Id: 10981785 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 E4C1414E5 for ; Fri, 7 Jun 2019 13:13:27 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D6D1A288D3 for ; Fri, 7 Jun 2019 13:13:27 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id CACBB28BFA; Fri, 7 Jun 2019 13:13:27 +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=-7.7 required=2.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=unavailable 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 6A33D288E4 for ; Fri, 7 Jun 2019 13:13:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728943AbfFGNLQ (ORCPT ); Fri, 7 Jun 2019 09:11:16 -0400 Received: from esa4.hgst.iphmx.com ([216.71.154.42]:53156 "EHLO esa4.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728098AbfFGNLO (ORCPT ); Fri, 7 Jun 2019 09:11:14 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=wdc.com; i=@wdc.com; q=dns/txt; s=dkim.wdc.com; t=1559913074; x=1591449074; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=DlQ4GLxGdZJmE7yvObMcvG5bi4ACFJsGLoXRshNTPh4=; b=YnnTsX7TgGm2qbncVUjZ6CfHIxdV8PjRqWEC4pV9fFdld8oGEgGQgXhc IxwfFnTVFm4HGnxxVF+E720prI8UP2A74RXgmjEuq0X61poSx2rW01IgA HGr219GR7U8/YzYNk+Cgu1yyRrgAbs1NhUq1d5MpvZZTxoZG9SRGC3WV+ MgIJLemcIhUuIhQPy8iobqwIfMHosDTtHTuZo6wTtT6veM1IrGjKRb7K5 1egTIC51ZVpUS+nm+kWKbQUKpyPGyOHIwRE5pTy7vmi5xs83dgLHKIf+l +deZVIQ4r4Me+GjIpKd/l2pxyDbRh7n3aE196oD9jnpX1GZwY9HGgFtjB Q==; X-IronPort-AV: E=Sophos;i="5.63,563,1557158400"; d="scan'208";a="110027764" Received: from h199-255-45-15.hgst.com (HELO uls-op-cesaep02.wdc.com) ([199.255.45.15]) by ob1.hgst.iphmx.com with ESMTP; 07 Jun 2019 21:11:14 +0800 IronPort-SDR: cxtWHuDtXCXoPt8gegaPneVM5VhprwTNG0/zgciKLkD9vwhc2dQlngAAiAKmaWsG22rXqCf4xg apBqvpzxfbsKa8n1WxrR0ylFYmZdYfekgwTITkgJmW2Fp+HPyXIS5DEIPzvCUCWKDmVFN53NI0 NjfDubZA/9tOc19KcpsVt+cm1eUmU4jhiIc+2iOK+OGuCU4jNbtz1c1C5zNo235/BhNKcaRC3P H2NoxTjY9XnvC5IssVyXciEYosY6NeD8sKQ6YjRrIr4R4iUVLY7mtHQFCJvhoa7jWPa85ETgj1 rrGziCJ+NSXEoXAGRA4a1hUA Received: from uls-op-cesaip02.wdc.com ([10.248.3.37]) by uls-op-cesaep02.wdc.com with ESMTP; 07 Jun 2019 05:48:31 -0700 IronPort-SDR: /mUewI0BvY0IcXPufJN85DXHDBm7kLJrWkNdFR/j9w3Yx8O7m1GDyEqDFzwYyRLNgv6HdBHBep jOnug/QD5AdqhMzOFqtkUGzi2Fa8gEDxo+0T4N/L0EIP/ybIA9p9kBVawt2DH3I/+kkhs4pMiF CTPZ/RViJFuQdKc/+v8m8ngMQ17xtRlRdzO7kwIe5JTQtSyOtPXfSQLaPXq9iAQyibVIMhQYkb uxEyI2JgTRIzkJSGVEjregeQS9v/uGlTH8NTsep6vmo+t8jHrsvVYZTFCwduBWzWRslsd13BC6 Nvg= Received: from naota.dhcp.fujisawa.hgst.com (HELO naota.fujisawa.hgst.com) ([10.149.53.115]) by uls-op-cesaip02.wdc.com with ESMTP; 07 Jun 2019 06:11:12 -0700 From: Naohiro Aota To: linux-btrfs@vger.kernel.org, David Sterba Cc: Chris Mason , Josef Bacik , Qu Wenruo , Nikolay Borisov , linux-kernel@vger.kernel.org, Hannes Reinecke , linux-fsdevel@vger.kernel.org, Damien Le Moal , =?utf-8?q?Matias_Bj=C3=B8rling?= , Johannes Thumshirn , Bart Van Assche , Naohiro Aota Subject: [PATCH 01/19] btrfs: introduce HMZONED feature flag Date: Fri, 7 Jun 2019 22:10:07 +0900 Message-Id: <20190607131025.31996-2-naohiro.aota@wdc.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190607131025.31996-1-naohiro.aota@wdc.com> References: <20190607131025.31996-1-naohiro.aota@wdc.com> MIME-Version: 1.0 Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP 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 2f078b77fe14..ccb3d732e7d2 100644 --- a/fs/btrfs/sysfs.c +++ b/fs/btrfs/sysfs.c @@ -192,6 +192,7 @@ 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(metadata_uuid, METADATA_UUID); +BTRFS_FEAT_ATTR_INCOMPAT(hmzoned, HMZONED); BTRFS_FEAT_ATTR_COMPAT_RO(free_space_tree, FREE_SPACE_TREE); static struct attribute *btrfs_supported_feature_attrs[] = { @@ -206,6 +207,7 @@ static struct attribute *btrfs_supported_feature_attrs[] = { BTRFS_FEAT_ATTR_PTR(skinny_metadata), BTRFS_FEAT_ATTR_PTR(no_holes), BTRFS_FEAT_ATTR_PTR(metadata_uuid), + 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 c195896d478f..2d5e8f801135 100644 --- a/include/uapi/linux/btrfs.h +++ b/include/uapi/linux/btrfs.h @@ -270,6 +270,7 @@ struct btrfs_ioctl_fs_info_args { #define BTRFS_FEATURE_INCOMPAT_SKINNY_METADATA (1ULL << 8) #define BTRFS_FEATURE_INCOMPAT_NO_HOLES (1ULL << 9) #define BTRFS_FEATURE_INCOMPAT_METADATA_UUID (1ULL << 10) +#define BTRFS_FEATURE_INCOMPAT_HMZONED (1ULL << 11) struct btrfs_ioctl_feature_flags { __u64 compat_flags;