Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752715AbbKPVro (ORCPT ); Mon, 16 Nov 2015 16:47:44 -0500 Received: from mx2.suse.de ([195.135.220.15]:40505 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752242AbbKPVrl (ORCPT ); Mon, 16 Nov 2015 16:47:41 -0500 Subject: Re: [PATCHv4 1/1] SCSI: hosts: update to use ida_simple for host_no management To: Hannes Reinecke , "Martin K. Petersen" References: <1444830904.2220.28.camel@HansenPartnership.com> <561EA018.7020700@suse.com> <1444848835.2220.50.camel@HansenPartnership.com> <5644BEE1.3010208@suse.com> <5649C79E.9070603@suse.de> Cc: James Bottomley , linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, Tejun Heo , Hannes Reinecke , Johannes Thumshirn , Christoph Hellwig From: Lee Duncan Organization: SUSE Message-ID: <564A4EDC.8060805@suse.com> Date: Mon, 16 Nov 2015 13:47:08 -0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 MIME-Version: 1.0 In-Reply-To: <5649C79E.9070603@suse.de> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1155 Lines: 32 On 11/16/2015 04:10 AM, Hannes Reinecke wrote: > 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 > Martin: I will be glad to update the patch, creating a modprobe parameter as suggested, if you find this acceptable. -- Lee Duncan SUSE Labs -- 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/