On 1/10/2014 9:00 AM, Nicholas A. Bellinger wrote:
On Thu, 2014-01-09 at 13:01 +0200, Sagi Grimberg wrote:
On 1/8/2014 10:36 PM, Nicholas A. Bellinger wrote:
From: Nicholas Bellinger <nab@xxxxxxxxxxxxxxx>
This patch adds support for exposing DIF protection device
attributes via configfs. This includes:
pi_prot_type: Protection Type (0, 1, 3 currently support)
pi_prot_version: Protection Version (DIF v1 currently supported)
pi_guard_type: Guard Type (1=DIF CRC, 2=IP CRC)
Within se_dev_set_pi_prot_type() it also adds the se_subsystem_api
device callbacks to setup per device protection information.
Suggestion, expose pi_prot_format and call transport->init_prot() there.
It is more explicit
and this routine should be called upon getting FORMAT_UNIT as well.
<nod>, working on this next for FILEIO following your original example
code.
I would suggest to keep user interface the same for all backstores.
Let me send you my latest WIP example for FILEIO that follows the
pi_prot_format notation and you can arrange it as you wish.
Thanks Sagi!
--nab
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