[stgt] [PATCH RFC] add support of sheepdog backing store

FUJITA Tomonori fujita.tomonori at lab.ntt.co.jp
Thu Sep 26 18:37:30 CEST 2013

On Thu, 26 Sep 2013 11:59:18 +0900
Hitoshi Mitake <mitake.hitoshi at lab.ntt.co.jp> wrote:

> This patch implements a new backing store support for sheepdog, distributed
> storage system initially designed for QEMU
> (https://github.com/sheepdog/sheepdog). With this patch, sheepdog can support
> iSCSI protocol, so hypervisors other than QEMU/KVM and native OSes can use
> sheepdog as their block devices. The new --bstype is "sheepdog".
> (This patch is a refinement of tgt's sheepdog branch.)
> This patch still has some todos and would have bugs, but I'd like to post it for
> keeping this patch small and getting feedback in early stage.

Some might say this had better to be a dynamic loadable
library. Either is fine by me because it doesn't depend on any
original C header files.

> Major todos:
>  - exploiting multithread support of tgt

It has been a long time since I wrote any sheepdog code so I can't
recall the details but this backing store can use only a single
connection even if this uses tgt multithread feature?
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