Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754087AbYGNNPQ (ORCPT ); Mon, 14 Jul 2008 09:15:16 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752665AbYGNNPB (ORCPT ); Mon, 14 Jul 2008 09:15:01 -0400 Received: from TYO202.gate.nec.co.jp ([202.32.8.206]:62174 "EHLO tyo202.gate.nec.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752430AbYGNNO7 (ORCPT ); Mon, 14 Jul 2008 09:14:59 -0400 Message-Id: <88E7CDF01964465CB9F33DE11298271D@nsl.ad.nec.co.jp> From: "Takashi Sato" To: "jim owens" Cc: , , , , , , , , , , , "Miklos Szeredi" , "Arjan van de Ven" , "Theodore Tso" , "Dave Chinner" References: <20080709005254.GQ11558@disturbed> <20080709010922.GE9957@mit.edu> <20080709061621.GA5260@infradead.org> <20080708234120.5072111f@infradead.org> <20080708235502.1c52a586@infradead.org> <20080709071346.GS11558@disturbed> <20080709110900.GI9957@mit.edu> <20080709114958.GV11558@disturbed> <4874C3E8.20804@hp.com> In-Reply-To: <4874C3E8.20804@hp.com> Subject: Re: [PATCH 3/3] Add timeout feature Date: Mon, 14 Jul 2008 22:12:51 +0900 MIME-Version: 1.0 Content-Type: text/plain; format=flowed; charset="ISO-8859-1"; reply-type=response Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Windows Mail 6.0.6000.16480 X-MimeOLE: Produced By Microsoft MimeOLE V6.0.6000.16545 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 710 Lines: 20 Hi, jim owens wrote: > In addition to the user controllable timeout mechanism, > we internally implement AUTO-THAW in the filesystem > whenever necessary to prevent a kernel hang/crash. > > If an AUTO-THAW occurs, we post to the log and an > event manager so the user knows the snapshot is bad. I am interested in AUTO-THAW. What is the difference between the timeout and AUTO-THAW? When the kernel detects a deadlock, does it occur to solve it? Cheers, Takashi -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/