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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E1D1AC4332F for ; Thu, 9 Nov 2023 18:12:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344936AbjKISMX (ORCPT ); Thu, 9 Nov 2023 13:12:23 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39404 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344906AbjKISMW (ORCPT ); Thu, 9 Nov 2023 13:12:22 -0500 Received: from sequoia-grove.ad.secure-endpoints.com (sequoia-grove.ad.secure-endpoints.com [IPv6:2001:470:1f07:f77:70f5:c082:a96a:5685]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 972533AB7 for ; Thu, 9 Nov 2023 10:12:19 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/relaxed; d=auristor.com; s=MDaemon; r=y; t=1699553538; x=1700158338; i=jaltman@auristor.com; q=dns/txt; h=Message-ID:Date: MIME-Version:User-Agent:Subject:Content-Language:To:Cc: References:From:Organization:In-Reply-To:Content-Type; bh=MQhplA e/sO9jH8ZxIC5uZQcGSA/WDm8kPbzRWk9x2z8=; b=i+4UJ10y9FcYR8zhB6jIUd pFGccP22iE5+FZlc2nhbMDo9CUj2kzHjaPHx0Y2nMX437CB8hRNGZdRaQfQ/K541 qvOsHUkWhSdj0dDfszDwFwJF8Z4V/4LY+857MR5c4l5HrR+nC+zwpFysfSy5MgyM wAlasPNEFIAvecCJBe6Wc= X-MDAV-Result: clean X-MDAV-Processed: sequoia-grove.ad.secure-endpoints.com, Thu, 09 Nov 2023 13:12:18 -0500 Received: from [IPV6:2603:7000:73d:b00:d023:ff5f:54c2:9ec4] by auristor.com (IPv6:2001:470:1f07:f77:28d9:68fb:855d:c2a5) (MDaemon PRO v23.5.1b) with ESMTPSA id md5001003742340.msg; Thu, 09 Nov 2023 13:12:17 -0500 X-MDRemoteIP: 2603:7000:73d:b00:d023:ff5f:54c2:9ec4 X-MDHelo: [IPV6:2603:7000:73d:b00:d023:ff5f:54c2:9ec4] X-MDArrival-Date: Thu, 09 Nov 2023 13:12:17 -0500 X-MDOrigin-Country: US, NA X-Authenticated-Sender: jaltman@auristor.com X-Return-Path: prvs=1677793fa9=jaltman@auristor.com X-Envelope-From: jaltman@auristor.com X-MDaemon-Deliver-To: linux-kernel@vger.kernel.org Message-ID: Date: Thu, 9 Nov 2023 13:12:08 -0500 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 13/41] afs: Handle the VIO abort explicitly Content-Language: en-US To: David Howells , Marc Dionne Cc: linux-afs@lists.infradead.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org References: <20231109154004.3317227-1-dhowells@redhat.com> <20231109154004.3317227-14-dhowells@redhat.com> From: Jeffrey E Altman Organization: AuriStor, Inc. In-Reply-To: <20231109154004.3317227-14-dhowells@redhat.com> Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="------------ms060009020505020306050909" X-MDCFSigsAdded: auristor.com Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is a cryptographically signed message in MIME format. --------------ms060009020505020306050909 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 11/9/2023 10:39 AM, David Howells wrote: > When processing the result of a call, handle the VIO abort specifically > rather than leaving it to a default case. Rather than erroring out > unconditionally, see if there's another server if the volume has more than > one server available, otherwise return -EREMOTEIO. > > Signed-off-by: David Howells > cc: Marc Dionne > cc: linux-afs@lists.infradead.org > --- > fs/afs/rotate.c | 6 ++++++ > 1 file changed, 6 insertions(+) OpenAFS fileservers can return VIO (112) either during an attempt to load a vnode or to store a vnode. However, most IBM AFS derived cache managers do not explicitly handle VIO errors and pass them to the vfs to be interpreted as a local operating system error. For Linux that means EHOSTDOWN. Therefore, AuriStorFS fileservers return UAEIO instead. Please modify this patch to handle UAEIO the same as VIO. Thank you. 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