From patchwork Fri Jun 7 13:17:44 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Naohiro Aota X-Patchwork-Id: 10981827 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 8F3CD6C5 for ; Fri, 7 Jun 2019 13:19:15 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 818B428B7A for ; Fri, 7 Jun 2019 13:19:15 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 7600F28BBC; Fri, 7 Jun 2019 13:19:15 +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 A86FA28B91 for ; Fri, 7 Jun 2019 13:19:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729438AbfFGNTH (ORCPT ); Fri, 7 Jun 2019 09:19:07 -0400 Received: from esa2.hgst.iphmx.com ([68.232.143.124]:56467 "EHLO esa2.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728817AbfFGNSO (ORCPT ); Fri, 7 Jun 2019 09:18:14 -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=1559913527; x=1591449527; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=QZ/1/rNX3/3n7cc4vvS1dkFdK6HEV83hxR0tcxXdqV8=; b=gbnTZDa94dvjfbCoCSQ7ir/4EqqeBTtYJtiONx9rJZ4t59lPz7WUaTFC VpsNPn4G+VtlNoO5MuNuWNHxU6mMYQzxlAAElCmf6HT2zOkk5NiQZCKQ9 tCXA7kSE9MxTdy841smkU7Mb7utXVl5KvWlWuaLAGXdMEddVZMSDWyJIO udJO9VC8ot0vo6jIzMWvCGqR0RE3tNYsR2ycFD/eR5Z5ifJeUEFhtyn4K QcuivAV0w7mab2nYn/B9kzptJ/AQl4dAHKjku8Ugm6kGlfc+fDmIz+W1I N+gZpfoWQQMsfENI/EGVRxUONvAS3bBxDlSVX03CcOFiJFrrN942krN9/ w==; X-IronPort-AV: E=Sophos;i="5.63,563,1557158400"; d="scan'208";a="209674998" Received: from uls-op-cesaip02.wdc.com (HELO uls-op-cesaep02.wdc.com) ([199.255.45.15]) by ob1.hgst.iphmx.com with ESMTP; 07 Jun 2019 21:18:43 +0800 IronPort-SDR: 977dDIxHZD/vuTaoSyqWmLjV7G2jG2z4l/2DNIG8RIji2BhvI5gZMlrFfBfUXmbbrMzqVQx1WV w5rsaEv5oQqRvTUAUI8EsFKS3DYsECyZeZArPATuGZspwPdLKyyhkhEmEMBl/91xbs5298PgME iFnLA5iu2FNv5MERSqcCh+xdGdBWf6NfB0U2XAD5oaXTTzW6Ll69/VXRREQ2j0Q700SNoA5Xsy wXzPgir7MW1NOChBgJ9YO4NX2/QMXDYHqWxvMo6pw6uspX9+LHOWMYVr8Ng1nfyzYM24UglhRU jTzDyGMDwxshYfDyN/hKbdkz Received: from uls-op-cesaip02.wdc.com ([10.248.3.37]) by uls-op-cesaep02.wdc.com with ESMTP; 07 Jun 2019 05:55:29 -0700 IronPort-SDR: FzKJnxM8QyGDUNjyTLrZeFo/pnqqCte9zBMugrZeI2BgIKRGZx6g2NJMGMeIx2ounariG6vD/F kifFaoiCi+s3h/Ewp+1DliFFHKsV43ftPvPtdNVX5h9XFdA/ZL0GMIVXNzmAZdlhiM+rW13MN3 D1ACy4kUyr+RWhBmEfLq7ETLtJdnjQiY3EyQ4BFhPUAyM30xpwTskmobAUW6bA/nanT6U2XUTW 7oqN9G9NcbBFGNGsGRuEszEplcTCEbDCPEcRwSUOr47xnWRDcSg1D6ZUM80zUmPyF6DwZLfbSd 7Qs= 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 06:18:10 -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 05/12] btrfs-progs: load and check zone information Date: Fri, 7 Jun 2019 22:17:44 +0900 Message-Id: <20190607131751.5359-5-naohiro.aota@wdc.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190607131751.5359-1-naohiro.aota@wdc.com> References: <20190607131025.31996-1-naohiro.aota@wdc.com> <20190607131751.5359-1-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 checks if a device added to btrfs is a zoned block device. If it is, load zones information and the zone size for the device. For a btrfs volume composed of multiple zoned block devices, all devices must have the same zone size. Signed-off-by: Naohiro Aota --- utils.c | 10 ++++++++++ volumes.c | 18 ++++++++++++++++++ volumes.h | 3 +++ 3 files changed, 31 insertions(+) diff --git a/utils.c b/utils.c index d50304b1be80..a26fe7a5743c 100644 --- a/utils.c +++ b/utils.c @@ -250,6 +250,16 @@ int btrfs_add_to_fsid(struct btrfs_trans_handle *trans, goto out; } + ret = btrfs_get_zone_info(fd, path, fs_info->fs_devices->hmzoned, + &device->zinfo); + if (ret) + goto out; + if (device->zinfo.zone_size != fs_info->fs_devices->zone_size) { + error("Device zone size differ\n"); + ret = -EINVAL; + goto out; + } + disk_super = (struct btrfs_super_block *)buf; dev_item = &disk_super->dev_item; diff --git a/volumes.c b/volumes.c index 3a91b43b378b..f6d1b1e9dc7f 100644 --- a/volumes.c +++ b/volumes.c @@ -168,6 +168,8 @@ static int device_list_add(const char *path, u64 found_transid = btrfs_super_generation(disk_super); bool metadata_uuid = (btrfs_super_incompat_flags(disk_super) & BTRFS_FEATURE_INCOMPAT_METADATA_UUID); + int hmzoned = btrfs_super_incompat_flags(disk_super) & + BTRFS_FEATURE_INCOMPAT_HMZONED; if (metadata_uuid) fs_devices = find_fsid(disk_super->fsid, @@ -257,6 +259,8 @@ static int device_list_add(const char *path, if (fs_devices->lowest_devid > devid) { fs_devices->lowest_devid = devid; } + if (hmzoned) + fs_devices->hmzoned = 1; *fs_devices_ret = fs_devices; return 0; } @@ -327,6 +331,8 @@ int btrfs_open_devices(struct btrfs_fs_devices *fs_devices, int flags) struct btrfs_device *device; int ret; + fs_devices->zone_size = 0; + list_for_each_entry(device, &fs_devices->devices, dev_list) { if (!device->name) { printk("no name for device %llu, skip it now\n", device->devid); @@ -350,6 +356,18 @@ int btrfs_open_devices(struct btrfs_fs_devices *fs_devices, int flags) device->fd = fd; if (flags & O_RDWR) device->writeable = 1; + + ret = btrfs_get_zone_info(fd, device->name, fs_devices->hmzoned, + &device->zinfo); + if (ret != 0) + goto fail; + if (!fs_devices->zone_size) { + fs_devices->zone_size = device->zinfo.zone_size; + } else if (device->zinfo.zone_size != fs_devices->zone_size) { + fprintf(stderr, "Device zone size differ\n"); + ret = -EINVAL; + goto fail; + } } return 0; fail: diff --git a/volumes.h b/volumes.h index c9262ceaea93..6ec83fe43cfe 100644 --- a/volumes.h +++ b/volumes.h @@ -115,6 +115,9 @@ struct btrfs_fs_devices { int seeding; struct btrfs_fs_devices *seed; + + u64 zone_size; + unsigned int hmzoned:1; }; struct btrfs_bio_stripe {