From patchwork Fri Jan 22 06:21:07 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Naohiro Aota X-Patchwork-Id: 12038523 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=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 ABB70C433E0 for ; Fri, 22 Jan 2021 06:33:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 587E5235FF for ; Fri, 22 Jan 2021 06:33:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727003AbhAVGd1 (ORCPT ); Fri, 22 Jan 2021 01:33:27 -0500 Received: from esa1.hgst.iphmx.com ([68.232.141.245]:51117 "EHLO esa1.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726518AbhAVGYQ (ORCPT ); Fri, 22 Jan 2021 01:24:16 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=wdc.com; i=@wdc.com; q=dns/txt; s=dkim.wdc.com; t=1611296655; x=1642832655; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=W00A4ElYUxWqx3pZQThpqSdlc1PopF9tk891Iam97g0=; b=NsyUc4w0DSRMU8xDpMCP/Hw+RVo1bBsJkNdx/VbmhwrljUbr1Lm9/mLL FgmPNM8pKVWB8f6IMrT19x21U4UEnfvHzMKdToN4zUhc5iRPSTdrJ6BB/ mfLpiluV/I1x/14TMpJvVYf0cleF5r/JU9nugNxbofBYh72pPk6ANql6K 0znP3DmEL8YzKVl85aEM5ZKnxOTGRSIqDFtQOWw+S4kI8XYiX44B/qx4I 9FBrpVBzS4Q2Vkc/YPPbDYYfOz4qv8SzW++u59OKgIiZdZ/DAiL4uCp/l EdNebNEQzIwj5dB9dD9Ruy3c/V4qVmIpGkH5woiCtQ07ZGoYYHgCClTUI A==; IronPort-SDR: sOLIAeJgKsrvuCzlYU3SS5lx4UrmZwmR06EgvzbyIF9RP7IZWnR1Ry24lxnUCdDI8DUHmXWTUR TANG3qqAVwA0hGo7LY50QdTmc/TPVDwq66WeUuWDyUtayri4Nq56b9o8I0CO4GDCn3T83yYWhI xMWnU/4kFrAdQkxTGM5jyHtcru5DZgCaOL4+Eexo7NE6cIzC1xk83cfNvTpr2iCcfRbH/X1owZ dQ3BPqXcG1r80osx2D4Ko6htcDAp0Tfm6HH//8nlc24zN3TtY6Ko2PAtmbA8OikXKR+18gS2dw hLQ= X-IronPort-AV: E=Sophos;i="5.79,365,1602518400"; d="scan'208";a="268391956" Received: from uls-op-cesaip02.wdc.com (HELO uls-op-cesaep02.wdc.com) ([199.255.45.15]) by ob1.hgst.iphmx.com with ESMTP; 22 Jan 2021 14:22:32 +0800 IronPort-SDR: FwpCZHtsc9P0qdCtKdx5GRhCUqklPms5xzFGUyUcAQy04qkqt8cgGQMbf25taLf8OdXub5NukV gQ2KIqcXpoNS00cdCweuh+Z38eUfxbu1rceg5F3MXVzoJyplaNsVRVoRfcS6Th8LwfGpFU+Z/j Yl2Zp/iwOIj50ldH/oy3oHM7hoghY3X3WTnnsqeX7npgAa2Uagaoc8FbFvHEr3snvjDY3AQujb nS2vXVEgPSjAP8KpVfOLvjO5B3xv77Xss6bYhpqbeXIIxmQ1qHbKQQjfJODjSQY5yY9urE5TGD kjcp3RlZTPX6RC14XSWJfBLT Received: from uls-op-cesaip02.wdc.com ([10.248.3.37]) by uls-op-cesaep02.wdc.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Jan 2021 22:05:04 -0800 IronPort-SDR: FJAjOkRi8Hoiclmmkk/J0XyduzZbt0eNyznGPNmLbYM/Sk+61YiKy1fbjoOSlxpwJnSCyo+zvl 26uQm4eHkLueVd0UPr7Kwzz1O2ZgywvR1Haw51RBdvfU7kbHUdRlmJiFE8cCiMeu4sKo8aAn+S +dQ96RU4d2iCG1M9L3IAEOjMEJQ2zUVbdgZq7zmGNH4pTb8OcgXrDGyXQ/Q+Fmg0t6CbcRDlt4 UZvL/ABBYsYvHuokXZy6aZyBS9ZgQyT0ibJrfn23N88KT5G21nnRBPwYccHDalBcMkCDWmk6BZ Nu4= WDCIronportException: Internal Received: from naota.dhcp.fujisawa.hgst.com ([10.149.52.155]) by uls-op-cesaip02.wdc.com with ESMTP; 21 Jan 2021 22:22:31 -0800 From: Naohiro Aota To: linux-btrfs@vger.kernel.org, dsterba@suse.com Cc: hare@suse.com, linux-fsdevel@vger.kernel.org, Jens Axboe , Christoph Hellwig , "Darrick J. Wong" , Naohiro Aota Subject: [PATCH v13 07/42] btrfs: disallow fitrim in ZONED mode Date: Fri, 22 Jan 2021 15:21:07 +0900 Message-Id: <51f6f258af8d5de433c3437c26a98936a69eea7e.1611295439.git.naohiro.aota@wdc.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org The implementation of fitrim is depending on space cache, which is not used and disabled for zoned btrfs' extent allocator. So the current code does not work with zoned btrfs. In the future, we can implement fitrim for zoned btrfs by enabling space cache (but, only for fitrim) or scanning the extent tree at fitrim time. But, for now, disallow fitrim in ZONED mode. Signed-off-by: Naohiro Aota Reviewed-by: Josef Bacik --- fs/btrfs/ioctl.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 7f2935ea8d3a..f05b0b8b1595 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -527,6 +527,14 @@ static noinline int btrfs_ioctl_fitrim(struct btrfs_fs_info *fs_info, if (!capable(CAP_SYS_ADMIN)) return -EPERM; + /* + * btrfs_trim_block_group() is depending on space cache, which is + * not available in ZONED mode. So, disallow fitrim in ZONED mode + * for now. + */ + if (btrfs_is_zoned(fs_info)) + return -EOPNOTSUPP; + /* * If the fs is mounted with nologreplay, which requires it to be * mounted in RO mode as well, we can not allow discard on free space