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SubjectRe: [PATCH v2 1/2] tcm: Add support for BIDI-COMMANDS and XDWRITE_READ_10 emulation
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On Sun, 2010-09-19 at 15:29 +0200, Boaz Harrosh wrote:
> On 09/16/2010 12:41 AM, Nicholas A. Bellinger wrote:
> > From: Nicholas Bellinger <nab@linux-iscsi.org>
> >
>
> Hi dear Nicholas
>
> I still have a few reservations regarding the use of the:
> + int t_tasks_bidi:1;
>
> at struct se_transport_task at minimum I'd use the t_tasks_se_bidi_num
> as a look ahead. But I hate that as well. I suspect none of this is
> needed. But
>

Yes, unfortuately AFAICT this is required by the fabric module during
the initial I/O setup phase in order signal TCM Core before the
T_TASK(cmd)->t_mem_bidi_list is setup w/o depending upon
DMA_BIDIRECTIONAL or something else like it..

> At http://git.kernel.org/?p=linux/kernel/git/nab/lio-4.0.git I still get
> an old head without these or the CDB32 stuff.
>
> Where can I find a git web. With latest bits? I'd like to have a
> closer look.
>

My 'upstream' v4.0 branch that all of the changes have been going into
is here..

http://git.kernel.org/?p=linux/kernel/git/nab/lio-core-2.6.git;a=shortlog;h=refs/heads/lio-4.0

> (You know that I have a vested interest in all this I need it to be solid)
>

Many thanks Boaz!

--nab




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