Re: srp state in current mainline

[Bart Van Assche <bart.vanassche@sandisk.com>]

On 11/11/2015 07:46 AM, Christoph Hellwig wrote:
> On Wed, Nov 11, 2015 at 07:35:47AM -0800, Bart Van Assche wrote:
>> On 11/10/2015 09:15 AM, Christoph Hellwig wrote:
>>> This is a simply xfstests run using XFS on a remote LIO ramdisk.
>>
>> Hello Christoph,
>>
>> Which version of the kernel and LIO were installed at the target side ?
>
> I've tried a couple different one from 4.1-rc3 to latest Linus tree
> from yesterday, and the target side doesn't matter.
>
> I've also bisected things down on the initiator side and the changes to
> enable prefer_fr and register_always seem to be the culprit at least as
> far as 4.3 is concerned.  If I disable both 4.3 is working fine, but
> enabling either one causes frequent map failures.  Just rebuilding
> a new Linus current tree to see if the options help there as well.

Hello Christoph,

The SRP initiator from kernel 4.3 is working fine on my test setup. I 
will start a test with Linus' tree and with the following SRP kernel 
module parameters:

# cat /etc/modprobe.d/ib_srp.conf
options ib_srp cmd_sg_entries=255 register_always=1 prefer_fr=1

Bart.