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Re: [PATCHv4 1/1] SCSI: hosts: update to use ida_simple for host_no management

From Lee Duncan <lduncan@suse.com>
Newsgroups linux.kernel
Subject Re: [PATCHv4 1/1] SCSI: hosts: update to use ida_simple for host_no management
Date 2015-11-16 22:50 +0100
Message-ID <qvzOV-4k5-5@gated-at.bofh.it> (permalink)
References (3 earlier) <qjz7Y-6RL-21@gated-at.bofh.it> <qjzrk-7fk-27@gated-at.bofh.it> <qu34L-2QO-39@gated-at.bofh.it> <quuy0-3qR-59@gated-at.bofh.it> <qvqVk-7cN-29@gated-at.bofh.it>
Organization SUSE

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On 11/16/2015 04:10 AM, Hannes Reinecke wrote:
> On 11/13/2015 10:54 PM, Martin K. Petersen wrote:
>>>>>>> "Lee" == Lee Duncan <lduncan@suse.com> 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
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Re: [PATCHv4 1/1] SCSI: hosts: update to use ida_simple for host_no  management Hannes Reinecke <hare@suse.de> - 2015-11-16 13:20 +0100
  Re: [PATCHv4 1/1] SCSI: hosts: update to use ida_simple for host_no  management Lee Duncan <lduncan@suse.com> - 2015-11-16 22:50 +0100
    Re: [PATCHv4 1/1] SCSI: hosts: update to use ida_simple for host_no management "Martin K. Petersen" <martin.petersen@oracle.com> - 2015-11-18 00:30 +0100

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