Re: [PATCH 0/9] I/O path micro-optimizations and per-command private data support

Christoph Hellwig
2014-03-12T07:27:18Z

I specificly sent this set of patches because it were those deemed
easily mergeable 4 weeks ago. Any progress on it?

On Thu, Feb 20, 2014 at 02:20:52PM -0800, Christoph Hellwig wrote:
> This is a resend of the easily acceptable subset of the previously sent
> patches. The first two patches avoid taking the host_lock needlessly for
> fast path operations, patches 3 to 5 avoid useless manipulations of the
> device reference count, and the remaining ones allow a driver specifying
> an extra command size so drivers don't have to allocate memory for driver
> specific data additionally, as well as converting virtio-scsi to use this
> feature.
>
> Changes from the first version are limited to reordering the patch series,
> fixing patch subjects and attribution and adding some boilerplate commands
> back.
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