From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (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 5BEFF1547D8 for ; Thu, 6 Mar 2025 14:13:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.129.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741270404; cv=none; b=PmA8NvlgiVNE8dDLJ98tOE+nNxTiQmFfDJFaeQeIcA8tSamjfmSG/1iOfGhj/WoYXu/fix7ETzL7s7BZ0AmEmKg3Dw3DnB/Df7nUsLooz3sJdVPah/EQ5xLH1JvgC7nkJ0dhPMrbVyxuapd7RwJeYFynpv8/LogMBcLfbk9CIIY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741270404; c=relaxed/simple; bh=qn7pOkHFPACWC3ankALRwy8VTErHcUJ0y9sGMG7J+i4=; h=From:In-Reply-To:References:To:Cc:Subject:MIME-Version: Content-Type:Date:Message-ID; b=baWpyr7Gi7c+sZokAeBGB41bR7aHPgn80zZnLBTs+XOAWVEltwcBwMSpC15rbzRf7NFSQUsGnUekOGJgwEFSwUlCw3J2iscrrzlrzK6f1l3RkHvJ8t0JF0bKgOTJFFIhngzCa2/ZBER7qerXMqLrkdtlzzJR0aJqeRQXxfYE+EE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=LV+Womz2; arc=none smtp.client-ip=170.10.129.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="LV+Womz2" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1741270401; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=QTylQclBpCvK/bYZ/U9b8EYKj1/Me+hfjFcIR9QP8T8=; b=LV+Womz2Lw6rXIx6zH8cdYFN3HqpkV6FAqN+m6LIDQx2t3/n12nrI2oQP17jDDCeXsiF5H e/sprh0BRLzT1CeTSS9QNB6H09Sb1yIDUjay8haBBDUg9ODFBESIdhxfN3iKvVvnyBsMA/ SgJhM4Ekudw776G2w3s1/v06xnBMYPs= Received: from mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-641-WVFCTE-iMQG4tyo6Xa0yDg-1; Thu, 06 Mar 2025 09:13:18 -0500 X-MC-Unique: WVFCTE-iMQG4tyo6Xa0yDg-1 X-Mimecast-MFC-AGG-ID: WVFCTE-iMQG4tyo6Xa0yDg_1741270397 Received: from mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.111]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 19D421955F26; Thu, 6 Mar 2025 14:13:17 +0000 (UTC) Received: from warthog.procyon.org.uk (unknown [10.44.32.200]) by mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 6CD6A18009BC; Thu, 6 Mar 2025 14:13:13 +0000 (UTC) Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 From: David Howells In-Reply-To: References: <3989572.1734546794@warthog.procyon.org.uk> <4170997.1741192445@warthog.procyon.org.uk> To: Venky Shankar Cc: dhowells@redhat.com, Alex Markuze , Viacheslav Dubeyko , Ilya Dryomov , Xiubo Li , Jeff Layton , ceph-devel@vger.kernel.org, netfs@lists.linux.dev, linux-fsdevel@vger.kernel.org, Gregory Farnum , Patrick Donnelly Subject: Re: Is EOLDSNAPC actually generated? -- Re: Ceph and Netfslib Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <128443.1741270391.1@warthog.procyon.org.uk> Date: Thu, 06 Mar 2025 14:13:11 +0000 Message-ID: <128444.1741270391@warthog.procyon.org.uk> X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.111 Venky Shankar wrote: > > That's a good point, though there is no code on the client that can > > generate this error, I'm not convinced that this error can't be > > received from the OSD or the MDS. I would rather some MDS experts > > chime in, before taking any drastic measures. > > The OSDs could possibly return this to the client, so I don't think it > can be done away with. Okay... but then I think ceph has a bug in that you're assuming that the error codes on the wire are consistent between arches as mentioned with Alex. I think you need to interject a mapping table. David