From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) (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 DD1C0F9DA; Mon, 16 Dec 2024 14:04:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=90.155.50.34 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734357898; cv=none; b=haNqSQ5tArAGvXNJprvwS7o1csiTtn6bThoDait+nHR/7lhhxjNRvLXejQGyJP/3fvKmW2ROFXpIpS3t4kWJO3S/Did+Ao66e4QfPMH65g6jgMKxfjFY/HU9szpFWKp4qRK1G0EmURZ+4yvecsm+mGBzLslPTvvnOATZcfwk0UM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734357898; c=relaxed/simple; bh=5njwGYEjKAui/aYzRtrMYT0KmVqx0TZ8ADoKSBkH7GA=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=CVD2qplr4bS3bwhqq8R2A3CDu3kXXUPw36wQk+wKCR2LHZdxSvjmxaSorGzyS/U4KwmY9pbXJ7J2lXfxYDC1uxdaqSSKJndAyJjfOiI02pJt4c7dystcW90W3bVu0F0Ci05qHNzsD+MRvcFnIEL4cyberSFsTe3Q2d+7fsclMrI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=tp0xCxaE; arc=none smtp.client-ip=90.155.50.34 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="tp0xCxaE" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; 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=wAzZ+wkc1xlZQ89GOVfWPJCCI3kQ3tXwbzlsKa1cNG8=; b=tp0xCxaElvimni4fldN9PQDGpi zkXXOnAGIdlnfUSWOUCDGI+axGvBzOsqElFl9kv8b1xaxQH5bAAQlzSjCUAtoUOlmNp1mSsdBhjgt NjSsnnkD6yVKrSDOXkZHWk4H06GDP3atutiIghhtvt7z0k6Jm5H27g5zYEJwUqPl+m6kp+D4vpANu TMwFhR7vowT0Y0/7Y27bE74G2GIM1eQY6tyrOjEkywD9mDn/f/fIn4yVQW9n62UtJoUyZscnsMoUY iJP6uXNwrhOQTAKz4bvrKpygWVnkdtFkzT2IGSRpmer7o0CxI35Rkd8goIkgZPzQ8T/oAi2OV2Kk8 9k0/VLwQ==; Received: from willy by casper.infradead.org with local (Exim 4.98 #2 (Red Hat Linux)) id 1tNBiM-0000000Grr4-3Rmz; Mon, 16 Dec 2024 14:04:50 +0000 Date: Mon, 16 Dec 2024 14:04:50 +0000 From: Matthew Wilcox To: Kemeng Shi Cc: Baolin Wang , akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-nfs@vger.kernel.org Subject: Re: [PATCH v3 1/5] Xarray: Do not return sibling entries from xas_find_marked() Message-ID: References: <20241213122523.12764-1-shikemeng@huaweicloud.com> <20241213122523.12764-2-shikemeng@huaweicloud.com> <1f8b523e-d68f-4382-8b1e-2475eb47ae81@linux.alibaba.com> <5d89f26a-8ac9-9768-5fc7-af155473f396@huaweicloud.com> Precedence: bulk X-Mailing-List: linux-fsdevel@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: <5d89f26a-8ac9-9768-5fc7-af155473f396@huaweicloud.com> On Mon, Dec 16, 2024 at 03:05:26PM +0800, Kemeng Shi wrote: > Ahhh, right. Thank you for correcting me. Then I would like to use nfs as low-level > filesystem in example and the potential crash could be triggered in the same steps. Have you actually seen this crash, or do you just think it can happen?