From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pl1-x636.google.com ([2607:f8b0:4864:20::636]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1gMGMf-0003vM-Vv for linux-um@lists.infradead.org; Mon, 12 Nov 2018 17:51:11 +0000 Received: by mail-pl1-x636.google.com with SMTP id x21-v6so1962748pln.9 for ; Mon, 12 Nov 2018 09:50:59 -0800 (PST) Subject: Re: New Patch series for the UBD Driver References: <20181112174201.12290-1-anton.ivanov@cambridgegreys.com> From: Jens Axboe Message-ID: <62f14981-9804-8fac-c3ec-b544a90751c3@kernel.dk> Date: Mon, 12 Nov 2018 10:50:56 -0700 MIME-Version: 1.0 In-Reply-To: <20181112174201.12290-1-anton.ivanov@cambridgegreys.com> Content-Language: en-US List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-um" Errors-To: linux-um-bounces+geert=linux-m68k.org@lists.infradead.org To: anton.ivanov@cambridgegreys.com, linux-um@lists.infradead.org Cc: richard@nod.at, hch@lst.de On 11/12/18 10:41 AM, anton.ivanov@cambridgegreys.com wrote: > This is the revised patchset for the ubd driver. Known issues: > > 1. If an error is returned to an operation different from READ/WRITE/SYNC > the block subsystem goes south finishing with a crash. I have tried everything > I can think of and whatever I could lift out of the loop and nbd driver. I do > not think that the problem is in the ubd driver. I am lost here, Jens can you > please give me a hand in handling the case when ubd_handler() gets an error in > reply to a discard. It would help if you showed a crash from doing that, and an example of how you are doing that. -- Jens Axboe _______________________________________________ linux-um mailing list linux-um@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-um