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 1CD46353A98; Wed, 19 Aug 2026 14:26:42 +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=1787149606; cv=none; b=bwB+MHGWR1Xk/mNMpt5AVqjlCOAK0mStKk8Nd/OhsRSfRNC4/Ml3IJwxx5EOoVOfWt/fpq2GTpz0Y1vHwmONRS3+IVWPgcMiiMFOp/v6IKUHhvdRCfH39TOCx95UnWauYps46fjo03TpPR5D3BjK4cotdbvEs7r9R71VOGKn5oQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787149606; c=relaxed/simple; bh=lnOU8jHcxERZI0URj4AyCfcwoh3SarByZt1ttBWMzgo=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=h6CMJrLgqa6FL3ud96EyM5qMOgAbWXvCD9C9/ZPzsMCPgJKIrEDVPZcrU2uq+awQryc3rq9tEX9mqtaJJvCUFGYYbsQ4pCYRgTax8j+uIaJJAblsa1ykN/QpZc7AEkCvc1rpnEY5vJWyfzcpCOoJRLFklaQ33kYA/NRo4G70oa8= 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 9099D68C7B; Wed, 19 Aug 2026 16:26:36 +0200 (CEST) Date: Wed, 19 Aug 2026 16:26:36 +0200 From: Christoph Hellwig To: Tal Zussman Cc: Christoph Hellwig , Ilya Dryomov , Alex Markuze , Viacheslav Dubeyko , David Howells , "Matthew Wilcox (Oracle)" , ceph-devel@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] libceph: use iov_iter_extract_pages() in ceph_msg_data_iter_next() Message-ID: <20260819142636.GA825@lst.de> References: <20260817-ceph-msgr-writeback-v1-1-38f3754034b9@columbia.edu> <20260819054413.GA32590@lst.de> <9d9bf5c2-008f-42ba-9c39-403ce224cc99@columbia.edu> Precedence: bulk X-Mailing-List: linux-kernel@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: <9d9bf5c2-008f-42ba-9c39-403ce224cc99@columbia.edu> User-Agent: Mutt/1.5.17 (2007-11-01) On Wed, Aug 19, 2026 at 05:07:05PM +0300, Tal Zussman wrote: > I'm perfectly happy to do that. I just want the PageWriteback() gone > and wanted to try to fix it properly rather than just delete the BUG() > or throw in a page_folio(). But seems like "properly" in this case may > be a deeper hole than I want to jump in to right now ;) I'd vote for just removing it and unraveling that rest slowly.