On Thu, Nov 13, 2014 at 12:33:41AM +, Elliott, Robert (Server Storage)
wrote:
> A queue_type of "none" disables the SCSI midlayer automatic queue depth
> adjustments based on TASK SET FULL vs. other status values, while
> "simple" enables them. That's the feature where TASK SET FULL reception
On Mon, 2014-11-10 at 16:56 +0100, Christoph Hellwig wrote:
> - for those drivers looking at the command tagged information we'd need
>to quiesce the LUN. No driver but the 53c700 driver does that, and the
>53c700 does it at a target-level, which despite a comment claiming it's
>needed
Bart van
> Assche; Mike Christie
> Subject: making the queue_type attribute read only, was: Re: tag
> handling refactor V2
>
> > - how is the change_queue_type API supposed to be used for most
> >drivers? It only changes the tag type from none to simple
> >or
> - how is the change_queue_type API supposed to be used for most drivers? It
>only changes the tag type from none to simple or back, but except for the
>special implementation in the 53c700 driver doesn't change the queue depth,
>which might cause it to issue multiple non-tagged comm
On 2014-11-10 08:56, Christoph Hellwig wrote:
The current SCSI handling suffers from large amounts of duplicate code, and
a general confusion of multiple concepts of tagging.
This series tries to reduce the amount of code, and introduce two separate
clear concepts of tagging:
a) a driver can
On 11/10/2014 09:56 AM, Christoph Hellwig wrote:
> The current SCSI handling suffers from large amounts of duplicate code, and
> a general confusion of multiple concepts of tagging.
>
> This series tries to reduce the amount of code, and introduce two separate
> clear concepts of tagging:
>
> a)
The current SCSI handling suffers from large amounts of duplicate code, and
a general confusion of multiple concepts of tagging.
This series tries to reduce the amount of code, and introduce two separate
clear concepts of tagging:
a) a driver can request block-level tagging to always have a vali
I've pushed an updated branch with the review comments addressed to
git://git.infradead.org/users/hch/scsi.git tcq-rework
Thansk for all the reviews, and looking forward to the missing ones!
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The current SCSI handling suffers from large amounts of duplicate code, and
a general confusion of multiple concepts of tagging.
This series tries to reduce the amount of code, and introduce two separate
clear concepts of tagging:
a) a driver can request block-level tagging to always have a vali
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