From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) (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 52F7635972; Thu, 26 Jun 2025 05:15:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.95.11.211 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750914913; cv=none; b=slBom9JIARpoQIdadj/7y9jq1Q2gHWM/dGq0FZpmvh/TXA4WX9ARoZTygEo2XTFpDzdD1oALyqaw+bjhAdRVUMoiC1tBhG+S2JLejZnj56hkhi6ZF20cFuMNCpwwJC7mEbgRoVOoQFb/ibs6i+g98MqtQkMcjhrlVoKQ2iLk2Qg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750914913; c=relaxed/simple; bh=IW65xuacCRLF+5e/Er6s2K5fZiFERoV0+h8MX9z5K88=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=KkfrZRj3075k6tYSvbgde4h9wtPVEvEJvp5nDUzDxAkftYky9xHJ/jMvIyIQq07l6SoqbpUEdnHC7i35dA6fpsRnzeMlWLQrTO+tabSJcfxzrbncV/OCxN03Vqekesj19SGNXAZF6iDLZC2w8+wBKnUX16ZljOu/JtL+g/yt9zw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=lst.de; spf=pass smtp.mailfrom=lst.de; arc=none smtp.client-ip=213.95.11.211 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=lst.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=lst.de Received: by verein.lst.de (Postfix, from userid 2407) id EEC0B227AAD; Thu, 26 Jun 2025 07:15:07 +0200 (CEST) Date: Thu, 26 Jun 2025 07:15:06 +0200 From: Christoph Hellwig To: Bart Van Assche Cc: Jens Axboe , linux-block@vger.kernel.org, Christoph Hellwig , Nilay Shroff , stable@vger.kernel.org Subject: Re: [PATCH] block: Fix a deadlock related to modifying the readahead attribute Message-ID: <20250626051506.GD23248@lst.de> References: <20250625195450.1172740-1-bvanassche@acm.org> Precedence: bulk X-Mailing-List: linux-block@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: <20250625195450.1172740-1-bvanassche@acm.org> User-Agent: Mutt/1.5.17 (2007-11-01) On Wed, Jun 25, 2025 at 12:54:50PM -0700, Bart Van Assche wrote: > Fix this by removing the superfluous queue freezing/unfreezing code from > queue_ra_store(). You'll need to explain why it is useless here.