On 2018-03-12 14:23, David Disseldorp wrote:

> On Fri, 09 Mar 2018 11:23:02 +0200, Maged Mokhtar wrote:
>> 2)I undertand that before switching the path, the initiator will send a 
>> TMF ABORT can we pass this to down to the same abort_request() function 
>> in osd_client that is used for osd_request_timeout expiry ?
> IIUC, the existing abort_request() codepath only cancels the I/O on the
> client/gw side. A TMF ABORT successful response should only be sent if
> we can guarantee that the I/O is terminated at all layers below, so I
> think this would have to be implemented via an additional OSD epoch
> barrier or similar.
> Cheers, David

Hi David, 

I was thinking we would get the block request then loop down to all its
osd requests and cancel those using the same  osd request cancel

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