From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753123AbbELLVq (ORCPT ); Tue, 12 May 2015 07:21:46 -0400 Received: from gproxy10-pub.mail.unifiedlayer.com ([69.89.20.226]:50930 "HELO gproxy10-pub.mail.unifiedlayer.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1752910AbbELLVn (ORCPT ); Tue, 12 May 2015 07:21:43 -0400 X-Authority-Analysis: v=2.1 cv=d9Vml3TE c=1 sm=1 tr=0 a=6lV6tj8ir7tGSl/9xQZNPA==:117 a=6lV6tj8ir7tGSl/9xQZNPA==:17 a=cNaOj0WVAAAA:8 a=f5113yIGAAAA:8 a=IkcTkHD0fZMA:10 a=N54-gffFAAAA:8 a=n8i27M1mAAAA:8 a=05RPwmwRPNYA:10 a=I4ko-sDDNxYA:10 a=h1PgugrvaO0A:10 a=Vw-wmRvv6JXiqk4ydzQA:9 a=QEXdDO2ut3YA:10 a=cfUEIiRNff8A:10 a=XjQjNp_hAQQA:10 Date: Tue, 12 May 2015 07:21:29 -0400 Subject: Re: [PATCH] aoe: Use 64-bit timestamp in frame Message-ID: <5aa4d111-08a0-4041-8bf2-62219c440f5e@email.android.com> X-Android-Message-ID: <5aa4d111-08a0-4041-8bf2-62219c440f5e@email.android.com> In-Reply-To: <2498255.lB0xaQWuiu@wuerfel> From: Ed Cashin To: Arnd Bergmann Cc: linux-kernel@vger.kernel.org, y2038@lists.linaro.org, Tina Ruchandani MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 X-Identified-User: {2969:box320.bluehost.com:cashinwo:cashinworks.com} {sentby:smtp auth 98.192.52.118 authed with ed@cashinworks.com} Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from base64 to 8bit by nfs id t4CBLpC1016750 Thanks for the expanded motivation. I'll return to your ideas tonight, but I wanted to mention that it is possible for round trips to take well over five seconds, partly because the disk on the target might be resetting. If the rough-grained mechanism in the AoE tag still works, though, that's very helpful. {.n++%ݶw{.n+{G{ayʇڙ,jfhz_(階ݢj"mG?&~iOzv^m ?I