From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-179.mta1.migadu.com (out-179.mta1.migadu.com [95.215.58.179]) (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 1FD6E3DD526 for ; Thu, 9 Jul 2026 07:56:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=95.215.58.179 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783583779; cv=none; b=cfQWSbnsM6lkR3hgSjtlYUx1JXKR5F5DQJor5UdJX7zgKz4GJmEpTJjmvwcQs/fbOMcrzUitT6N3u7rcO4T+uxflnHzonRwvBzypWTxKP/1Z335h9qxf94Ot3Gs45tcd30xKCyuvPw9xCpB/0QLxtSKpNDEO0AO3GHJ1F5lItfA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783583779; c=relaxed/simple; bh=ZyPkeEjAPTZKBAM2+pdZUg0hudEnqsBm0FoXOORISNQ=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=tGQy8CmcxHeqT4odthNJcuFiN7rxlhXOeH2CBtk5vgKhWs8ECs0/pibOOsgzTF630yA1sACUntz1hC4Nt0b4EisANlos2PeJY0zsZycNFRNTA41bsBei+OPmEdp3l6xfGYK9EgFIX6+GWoukGLKQQKpZB62VFsFlTox1TVSLKbU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=XWV/3fjI; arc=none smtp.client-ip=95.215.58.179 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="XWV/3fjI" Message-ID: <3bec72fe-c096-4db8-b33c-50846de16f42@linux.dev> DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1783583775; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=dxjNhaSxR077DomcJkxIfl4/gzaGKkc6ytKBIS5SPmw=; b=XWV/3fjIqN2XHVXej6xwmxBYJZxJGGhuzilD7lIsPi4i3KFUht2X45k74WToi1+AO2ZTbM JPXY8d+aGdYPngnqFPHZcJNZnYFoXdTnDCdriH2xp1Iub9kTkKqWVU1L7qnl0q/UZB799y 94kzwgCir3XBZd6Uik5VQervFkAYB9s= Date: Thu, 9 Jul 2026 09:55:53 +0200 Precedence: bulk X-Mailing-List: linux-xfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Subject: Re: [PATCH] generic/795: add unaligned boundary test cases for WRITE_ZEROES To: Zhang Yi Cc: Pankaj Raghav , zlang@redhat.com, fstests@vger.kernel.org, djwong@kernel.org, yi.zhang@huawei.com, linux-xfs@vger.kernel.org, Christoph Hellwig References: <20260703125422.3110429-1-p.raghav@samsung.com> <20260707051015.GA13010@lst.de> <82e2b175-7961-4133-94f6-209f97cbafe7@huaweicloud.com> Content-Language: en-US X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Pankaj Raghav In-Reply-To: <82e2b175-7961-4133-94f6-209f97cbafe7@huaweicloud.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Migadu-Flow: FLOW_OUT >> >> I had a similar question as Christoph. But I will include dirty unwritten >> test case as well, as ext4 impl may slightly differ. >> >> Thanks for the point about the FIEMAP. I will change it to use filefrag. >> >> I will send the patches soon. > > Thank you! > >> >> Btw, I tested ext4 and it failed the test. I assume there is a fix on the way for ext4? And did you >> also test this for bigalloc configuration? I ran into some issues with bigrtalloc (alloc size > >> block size). I am wondering if you hit a similar issue in ext4 for biglloc configs. >> > > Yes, there are issues in the current ext4 that need to be fixed, and I > have already sent out the fixed patch set [1]. I have run several > rounds of this test on my machine, including bigalloc scenarios, and > everything looks fine by now. > > After applying this patch set, does the issue you encountered still > exist? > I still haven't tried your patchset. I tried running this test on upstream kernel and noticed a failure. Then when I saw the ext4 mailing list and there were some discussion already ongoing regarding this issue. I can give your patchset a try as well :) -- Pankaj