Re: [Lsf] It's time to put together the schedule

2015-02-24 Thread Or Gerlitz
On Mon, Feb 23, 2015 at 5:25 AM, Mike Christie micha...@cs.wisc.edu wrote:

 Dropping lsf for iscsi list.


 Sorry about that. I thought I sent this to you. It must have got lost.
 Attached is the kernel changes for session based mq support (patch made
 over linus's tree). It just has the core changes only. I did not yet modify
 iscsi_tcp/libiscsi to bind our threads and sockets to cpus or deal with the
 networking.

 I was waiting to hear back from you about how it could work for ib_iser
 and was waiting to hear back from some hw vendors about how they are going
 to support mq in their hw/fw. So, the queue_id that gets passed in is
 really generic at this point and can map to whatever the transport driver
 wants to map it to (actual hw/fw queue for offload, msix/cpu combo like srp
 for iser, cpu and something else for iscsi_tcp, etc).

 I just hit a bug in the userspace code. Will send that later.

 But yeah, just added a new struct between the host and sessions.


Mike, such a big patch with 0-len change-log... could you come up with 3-4
sentences telling what we have here, would be very much appreciated
(thanks), Or.

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Re: [Lsf] It's time to put together the schedule

2015-02-24 Thread Sagi Grimberg

On 2/23/2015 5:25 AM, Mike Christie wrote:



Sorry about that. I thought I sent this to you. It must have got lost.
Attached is the kernel changes for session based mq support (patch made
over linus's tree). It just has the core changes only. I did not yet
modify iscsi_tcp/libiscsi to bind our threads and sockets to cpus or
deal with the networking.

I was waiting to hear back from you about how it could work for ib_iser
and was waiting to hear back from some hw vendors about how they are
going to support mq in their hw/fw. So, the queue_id that gets passed in
is really generic at this point and can map to whatever the transport
driver wants to map it to (actual hw/fw queue for offload, msix/cpu
combo like srp for iser, cpu and something else for iscsi_tcp, etc).

I just hit a bug in the userspace code. Will send that later.

But yeah, just added a new struct between the host and sessions.


Hey Mike,

I have been working on transforming iscsi to use block layer tags. I'll
port these patches on top of this one.

Thanks,
Sagi.

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