[ewg] OFED 3.12 SRP client compatibility for RHEL 6.5

[Vladimir Sokolovsky]

----- Original Message -----

> On 12/09/13 18:54, Vladimir Sokolovsky wrote:
> > I adopted 0025-ib_srp-Backport-to-older-kernels.patch from OFED-3.5
> > into
> > compat-rdma (master) including changes Amir sent to me.
> > Please try
> > http://www.openfabrics.org/downloads/OFED/ofed-3.12-daily/OFED-3.12-20131209-0842.tgz

> Hi Vladimir,

> I had a look at
> http://git.openfabrics.org/git?p=compat-rdma/compat-rdma.git;a=blob;f=patches/0005-BACKPORT-ib_srp.patch
> instead. I hope that you don't mind that I have a few questions about
> that patch (which bears my signed-off-by but which is a patch I
> hadn't
> seen before) ?

Hi Bart, 
This patch was taken from OFED-3.5 (compat-rdma/patches/0025-ib_srp-Backport-to-older-kernels.patch) with an addition of the backport for scsi_target_unblock. 

> - Which upstream kernel versions and which vendor distro's will be
> supported by OFED 3.12 ?

RHEL6.4, RHEL6.5, SLES11 SP3. 
Other OSes may be added if required. 

> - Building the SRP initiator requires a recent version of the kernel
> source files drivers/scsi/Makefile, drivers/scsi/scsi_priv.h,
> drivers/scsi/scsi_transport_srp.c,
> drivers/scsi/scsi_transport_srp_internal.h and
> include/scsi/scsi_transport_srp.h. I haven't seen these in the master
> branch of the linux-3.12 git repository
> (http://git.openfabrics.org/git?p=compat-rdma/linux-3.12.git;a=tree;hb=master).
> Is that correct ?
I added these files to the linux-3.12 git repository. 

> - Are there any plans to include the upstream kernel 3.13 SRP
> initiator
> patches in OFED 3.12 ? I think these patches improve the SRP
> initiator
> significantly in a multipath setup.

You can add relevant patches under compat-rdma/linux-next-cherry-picks . 

Regards, 
Vladimir 

> - Are there any plans to include the upstream kernel 3.13 SRP
> initiator
> patches in OFED 3.12 ? I think these patches improve the SRP
> initiator
> significantly in a multipath setup.
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