From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A116E29A32D; Mon, 16 Mar 2026 16:15:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.137.202.133 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773677733; cv=none; b=uOHo4+lEUJnbr/28Wb9hbZsW8HkEwgyJjo6zHZ5jk+uoAAj2JRDNoIuBQ2DVmS7CDv09hi79nH8ZYH6cvpxq8LIf+rYomtRPGmr401MLW/UTUJb7Om9jTRS3wpH7i2VOwmUd1Fk8fNescAxuJQ2Hovy5+Tuac9bAMIkQSV/ctX8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773677733; c=relaxed/simple; bh=d7p6BWon1h2jMZB6hwlJKlMUy3q9gBc4n51ZppC61ws=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=XMti5WcPAw3+BizAnvMRCxmShtMRUdnvgqQu+ZrLy4N6kI9DGTGM2Cf5TJ+OC/QcKEUVvJF9jiMSqrSErDXOCLMRohMNY9TbOVEJBLz5pI0VGhtmqmp1VVIbSjQtY9UwIhoHBXYrmqi/kUaevRmvRFimkYWHpdyDg9vXbBki7a8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=bombadil.srs.infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=MTpbA5IT; arc=none smtp.client-ip=198.137.202.133 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=bombadil.srs.infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="MTpbA5IT" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=d7p6BWon1h2jMZB6hwlJKlMUy3q9gBc4n51ZppC61ws=; b=MTpbA5ITDlDajlVSQpBpmGig6E Aa75iBnKypF3ASHx7xNPRbzbg1VlyBqEUKuJPb6X5mj0AK9f26hb/Ed1T5GR538Vkk3gXPQ+XAHA6 eu0CbzbepTe7OCy9c95DjgC90K6zUhXh1VmyPkATjeufS2WoOtn/VKZjm8AEGcO1OjE20gq6K3iJC aPADbd9HyD/lq22yroIAZFbiHJER4/B9u5ePn9gEY9JcuBpgf98Fx2uAZb45LmRY7H22m67WKTnvc OLf4FyJNeg9/SAM+WJf80boKJJjyECQHpmSw5B2mqxDhsh2PjccFHg9ph385Z/4Rz8ZuB8flByxjV dgzP1I3A==; Received: from hch by bombadil.infradead.org with local (Exim 4.98.2 #2 (Red Hat Linux)) id 1w2AbK-00000004QZi-0fMq; Mon, 16 Mar 2026 16:15:30 +0000 Date: Mon, 16 Mar 2026 09:15:30 -0700 From: Christoph Hellwig To: Zorro Lang Cc: Anand Jain , Anand Jain , fstests@vger.kernel.org, linux-btrfs@vger.kernel.org, linux-ext4@vger.kernel.org, linux-xfs@vger.kernel.org Subject: Re: [PATCH 2/9] fstests: add _mkfs_scratch_clone() helper Message-ID: References: <254fdd3e212f6618ea33207ef24db2b316d2d8fc.1772095513.git.asj@kernel.org> <20260309191317.vxcjvqfpoqdiycki@dell-per750-06-vm-08.rhts.eng.pek2.redhat.com> <43710dd2-4282-4475-a29d-983295fab86f@gmail.com> <20260314170422.a62qqwqe6agom443@dell-per750-06-vm-08.rhts.eng.pek2.redhat.com> Precedence: bulk X-Mailing-List: linux-btrfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260314170422.a62qqwqe6agom443@dell-per750-06-vm-08.rhts.eng.pek2.redhat.com> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html On Sun, Mar 15, 2026 at 01:04:22AM +0800, Zorro Lang wrote: > I'm concerned that testers from other filesystems might not be familiar > with SCRATCH_DEV_POOL, as it's typically not a requirement for their > testing. I'm not sure if they would be willing to configure and switch > to SCRATCH_DEV_POOL, just for these few test cases. If we can avoid making > the pool to be a hard requirement, it might be more user-friendly for other > fs list. Welcome feedback and review points from other filesystem mailing > lists :) Yes, doing this using loop devices or ramdisk is going to get us much better coverage.