Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752201AbbKPMKL (ORCPT ); Mon, 16 Nov 2015 07:10:11 -0500 Received: from mx2.suse.de ([195.135.220.15]:56926 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751627AbbKPMKJ (ORCPT ); Mon, 16 Nov 2015 07:10:09 -0500 Message-ID: <5649C79E.9070603@suse.de> Date: Mon, 16 Nov 2015 13:10:06 +0100 From: Hannes Reinecke User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.2.0 MIME-Version: 1.0 To: "Martin K. Petersen" , Lee Duncan CC: James Bottomley , linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, Tejun Heo , Hannes Reinecke , Johannes Thumshirn , Christoph Hellwig Subject: Re: [PATCHv4 1/1] SCSI: hosts: update to use ida_simple for host_no management References: <1444830904.2220.28.camel@HansenPartnership.com> <561EA018.7020700@suse.com> <1444848835.2220.50.camel@HansenPartnership.com> <5644BEE1.3010208@suse.com> In-Reply-To: Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1179 Lines: 30 On 11/13/2015 10:54 PM, Martin K. Petersen wrote: >>>>>> "Lee" == Lee Duncan writes: > >>> Well, I'm a bit worried about the loss of a monotonically increasing >>> host number from the debugging perspective. Right now, if you look >>> at any log, hostX always refers to one and only one incarnation >>> throughout the system lifetime for any given value of X. > > That's a feature that I would absolutely hate to lose. I spend a huge > amount of time looking at system logs. > Right. Then have it enabled via a modprobe parameters. We actually had customers running into a host_no overflow due to excessive host allocations and freeing done by iSCSI. Cheers, Hannes -- Dr. Hannes Reinecke zSeries & Storage hare@suse.de +49 911 74053 688 SUSE LINUX GmbH, Maxfeldstr. 5, 90409 N?rnberg GF: F. Imend?rffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton HRB 21284 (AG N?rnberg) -- 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/