From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id AA60FF36B91 for ; Fri, 10 Apr 2026 06:20:00 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 1C4D86B0089; Fri, 10 Apr 2026 02:20:00 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 175746B008A; Fri, 10 Apr 2026 02:20:00 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 08BC66B008C; Fri, 10 Apr 2026 02:20:00 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0012.hostedemail.com [216.40.44.12]) by kanga.kvack.org (Postfix) with ESMTP id EDAF16B0089 for ; Fri, 10 Apr 2026 02:19:59 -0400 (EDT) Received: from smtpin09.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay06.hostedemail.com (Postfix) with ESMTP id 800421B7604 for ; Fri, 10 Apr 2026 06:19:59 +0000 (UTC) X-FDA: 84641645718.09.9A48AAD Received: from verein.lst.de (verein.lst.de [213.95.11.211]) by imf10.hostedemail.com (Postfix) with ESMTP id B4A0BC0003 for ; Fri, 10 Apr 2026 06:19:57 +0000 (UTC) Authentication-Results: imf10.hostedemail.com; dkim=none; spf=pass (imf10.hostedemail.com: domain of hch@lst.de designates 213.95.11.211 as permitted sender) smtp.mailfrom=hch@lst.de; dmarc=pass (policy=none) header.from=lst.de ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1775801997; h=from:from:sender: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: in-reply-to:in-reply-to:references:references; bh=jcRmfdtFVYFVq489UD/UDFLUbBSdKKIhdmH9YmlkD4g=; b=pCwYi/ekWpzzeAJ4U23ZfplslQfTqX7dHVcfMe3MuanXhxZKYhvOslO9bE5zzO8/K2FQ3e H+3jcN9ilq2PTMoA03RbwFzfkMLqjJycS5egdFOPe5cWjNOrIAUVfCnSIIw+zQU0HFQtdg 3HPJmShPivZwzUIguRgz7LgAz7jEQjY= ARC-Authentication-Results: i=1; imf10.hostedemail.com; dkim=none; spf=pass (imf10.hostedemail.com: domain of hch@lst.de designates 213.95.11.211 as permitted sender) smtp.mailfrom=hch@lst.de; dmarc=pass (policy=none) header.from=lst.de ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1775801997; a=rsa-sha256; cv=none; b=ci5b7gyY2G8cQS6p2KQoH69V+y6eEZ7/5znVI3KC1Jv5VQcIknSNFtEkZp5ZN2AC1EXvmT JIRnjjlaaTtmCN+gOZuO+S9cCsGq+FFWsi7BPLSWe3k3HWy4EsRc+YI/BXqVT/EP0nDujA NNaUCYdFm4CSMsHJEddNVkzaCBJJKRU= Received: by verein.lst.de (Postfix, from userid 2407) id 66B1268B05; Fri, 10 Apr 2026 08:19:53 +0200 (CEST) Date: Fri, 10 Apr 2026 08:19:53 +0200 From: Christoph Hellwig To: Tal Zussman Cc: Christoph Hellwig , Jens Axboe , "Matthew Wilcox (Oracle)" , Christian Brauner , "Darrick J. Wong" , Carlos Maiolino , Al Viro , Jan Kara , Dave Chinner , Bart Van Assche , Gao Xiang , linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH 8/8] RFC: use a TASK_FIFO kthread for read completion support Message-ID: <20260410061953.GA24795@lst.de> References: <20260409160243.1008358-1-hch@lst.de> <20260409160243.1008358-9-hch@lst.de> <2cdaa767-c071-4e84-b9d7-1c944407f5bb@columbia.edu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <2cdaa767-c071-4e84-b9d7-1c944407f5bb@columbia.edu> User-Agent: Mutt/1.5.17 (2007-11-01) X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: B4A0BC0003 X-Stat-Signature: imxukkannbxfpxdo9xbs9p737s1xrwua X-Rspam-User: X-HE-Tag: 1775801997-902833 X-HE-Meta: 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 bSwfEUFT U7Jd8vMr2EMMcza3Wwd2o1g/FdrrGQu/krq7A6u73V+3as8JuDdwlPvazuFdT2E1dXPGEzi6j67525XR1LlFHGXyhTqO5p2SZ3+XqaW7rgyq92ZY= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Thu, Apr 09, 2026 at 03:06:47PM -0400, Tal Zussman wrote: > > -#include > > +#include > > Why freezer.h and not kthread.h? I needed freezer.h to try to make the thread freezable, but that didn't work out. kthread.h seems to be pulled in implicitly. > > struct bio_complete_batch { > > - struct llist_head list; > > If we go with this approach, we should remove the newly-added bi_llist from > struct bio too. Yes.