[sheepdog] [PATCH v6 0/8] different redundancy level for different VDIs

[Liu Yuan]

On 08/23/2012 11:48 AM, levin li wrote:
> From: levin li <xingke.lwp at taobao.com>
> 
> v5 ---> v6
> 1. rename add_vdi_copies to add_vdi_copy_number
> 2. remove the state of recovery waiting for copy list
> 3. fix a bug that loses inode data in recovery
> -----------------------------------------
> With this patch set, we don't need to specify copies number when formating
> the cluster, there's no global redundancy level any more, instead, we need
> to specify copies number for every VDI when creating a new one, like this:
> 
> # collie vdi create test 10G -c 3
> 
> If the -c is not specified, then use the default copies number 3
> 
> levin li (8):
>   sheep: use struct vdi_iocb to simplify the vdi_create api
>   collie: add -c for 'collie vdi create' to specify redundancy level
>     for per-vdi
>   sheep: rename ctime to create_time in vdi.c
>   sheep: add vdi_copy tree to store copies number for every VDI
>   sheep: fetch vdi copy list after sheep joins the cluster
>   sheep: use the specified copies number for IO requests
>   sheep: remove some unused copies related functions
>   collie: show copy number in the output of 'collie vdi list'
> 
>  collie/common.c          |   15 ++-
>  collie/vdi.c             |   41 +++++---
>  include/sheepdog_proto.h |    7 +-
>  sheep/farm/farm.c        |   31 +++++-
>  sheep/farm/trunk.c       |    4 +-
>  sheep/gateway.c          |    4 +-
>  sheep/group.c            |  117 ++++++++++++--------
>  sheep/ops.c              |   28 +++--
>  sheep/recovery.c         |   11 ++-
>  sheep/request.c          |    2 +-
>  sheep/sheep.c            |    2 +
>  sheep/sheep_priv.h       |   29 ++++-
>  sheep/store.c            |    9 +-
>  sheep/vdi.c              |  286 ++++++++++++++++++++++++++++++++++++----------
>  tests/016.out            |    2 +-
>  15 files changed, 436 insertions(+), 152 deletions(-)
> 

Applied after changing is_vdis_list_ready to static and read_vdi_copies
-> read_vdi_copy_number, and fix some warnings from checkpatch.pl

Thanks,
Yuan