[stgt] [PATCH 0/2] Add MaxQueueCmd

[FUJITA Tomonori]

On Thu,  8 Aug 2013 16:03:34 +0300
Shlomo Pongratz <shlomop at mellanox.com> wrote:

> This patch series does two things.
> 
> The first patch is a restructuring patch that makes it easy to configure tgtd local parameters via tgtadm.
> Local parmeters in this context are parameters that are not sent to the initiator.
> Currently there is one such parameter i.e. MaxXmitDataSegmentLength.
> 
> The second patch makes use of the first one in order to add a new parameter named MaxQueueCmd.
> The value of this parameter varies between 1 and 512, and is default value is set to 128 in order to keep backward compatibility.
> The need for the 2nd patch raised when running tgt against optimized iser initiators,
> where the hard-coded value of 128 in-flight command become a bottleneck for the maximal number of IOPS.
> Once addressed we were able to get decent improvement.
> 
> 
> Shlomo Pongratz (2):
>   Enable more iscsi local params
>   Add MaxQueueCmd iscsi local parameter
> 
>  usr/iscsi/iscsi_if.h  |    5 ++++-
>  usr/iscsi/iscsid.c    |   26 +++++++++++++++-----------
>  usr/iscsi/iscsid.h    |    5 +++++
>  usr/iscsi/iser.c      |   15 ++++++++-------
>  usr/iscsi/iser_text.c |    4 ++--
>  usr/iscsi/param.c     |    8 ++++++--
>  usr/iscsi/session.c   |    2 ++
>  usr/iscsi/target.c    |    4 +++-
>  8 files changed, 45 insertions(+), 24 deletions(-)

Looks reasonable. Applied, thanks.
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