[stgt] [PATCH] bs_sheepdog.c: support various VDI options in --backing-store option

FUJITA Tomonori fujita.tomonori at lab.ntt.co.jp
Fri Oct 11 05:27:16 CEST 2013


On Tue,  8 Oct 2013 17:39:21 +0900
Hitoshi Mitake <mitake.hitoshi at lab.ntt.co.jp> wrote:

> Current bs_sheepdog.c only supports connections to sheep process which
> listen on localhost:7000 (tcp). This patch makes the address, port,
> and protocol specifiable via --backing-store option of tgtadm. In
> addition, snapshots of VDIs can be logical units when tag or snapshot
> ID is passed to the option.
> 
> The form of --backing-store option:
>  - unix:<path_of_unix_domain_socket>:<vdi>
>  - unix:<path_of_unix_domain_socket>:<vdi>:<tag>
>  - unix:<path_of_unix_domain_socket>:<vdi>:<snapid>
>  - tcp:<host>:<port>:<vdi>
>  - tcp:<host>:<port>:<vdi>:<tag>
>  - tcp:<host>:<port>:<vdi>:<snapid>
>  - tcp:<port>:<vdi>
>  - tcp:<port>:<vdi>:<tag>
>  - tcp:<port>:<vdi>:<snapid>
> 
> Example of the option: -b unix:/sheep_store/sock:tgt0:1
> (connect via unix domain socket, the path of socket is
> /sheep_store/sock, VDI name is tgt0, use snapshot of ID 1)
> 
> Signed-off-by: Hitoshi Mitake <mitake.hitoshi at lab.ntt.co.jp>
> ---
>  usr/bs_sheepdog.c |  214 +++++++++++++++++++++++++++++++++++++++++++++++++----
>  1 file changed, 199 insertions(+), 15 deletions(-)

Applied, thanks.
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