Re: [PATCH 0/3] add fast memory registration mode (FRWR) support to iser target driver

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On Thu, 2013-08-22 at 02:31 +0300, Vu Pham wrote:
> From: Vu Pham <vu@xxxxxxxxxxxx>
> 
> Hello Nic,
> 
> This is the FRWR (fast registration work request) patch series for isert
> 
> This is the foundation step to support signature and data integrity for 
> Connect-IB (mlx5 driver) and future HCAs.
> 
> Patches 1-2 are the simple pre-steps to support different registration, 
> deregistration models (global dma key, FRWR...)
> 
> Patch 3 add actuall support for FRWR
> 

Hi Vu & Co,

So after initial review, I don't have any specific comments on this
series.

One thing, it does not apply atop target-pending/[for-next,auto-next]
due to the percpu-ida pre-allocation changes for iscsi/iser-target
currently in flight for v3.12-rc1 code.

The two changes in question are:

iscsi/iser-target: Convert to command priv_size usage
https://git.kernel.org/cgit/linux/kernel/git/nab/target-pending.git/commit/?h=auto-next&id=760329172230ae9ba21f9efd92e9c240edc3cc0f

and

iscsi-target: Convert to per-cpu ida_alloc + ida_free command map
https://git.kernel.org/cgit/linux/kernel/git/nab/target-pending.git/commit/?h=auto-next&id=2a240915946d497a65ea31851746309c5c8c9ac2

Would you mind rebasing this series atop target-pending/auto-next
please..?  Note that auto-next has an extra bugfix headed for v3.11-rc7
that you'll want for iser-target testing, so you should use this branch
to rebase.

Thank you,

--nab

> Vu Pham (3):
>   iser-target: move rdma wr processing to a shared function
>   iser-target: generalize rdma memory registration and cleanup
>   iser-target: introduce fast memory registration mode (FRWR)
> 
>  drivers/infiniband/ulp/isert/ib_isert.c |  621 +++++++++++++++++++++++--------
>  drivers/infiniband/ulp/isert/ib_isert.h |   24 ++-
>  2 files changed, 493 insertions(+), 152 deletions(-)
> 
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