Re: [PATCHv4 0/4] tcmu: bug fix and dynamic growing data area support

["Bryant G. Ly" <bryantly@linux.vnet.ibm.com>]

On 3/21/17 3:36 AM, lixiubo@cmss.chinamobile.com wrote:
> From: Xiubo Li <lixiubo@cmss.chinamobile.com>
>
> Changed for V4:
> - re-order the #3, #4 at the head.
> - merge most of the #5 to others.
>
>
> Changed for V3:
> - [PATCHv2 2/5] fix double usage of blocks and possible page fault
>    call trace.
> - [PATCHv2 5/5] fix a mistake.
>
> Changed for V2:
> - [PATCHv2 1/5] just fixes some small spelling and other mistakes.
>    And as the initial patch, here sets cmd area to 8M and data area to
>    1G(1M fixed and 1023M growing)
> - [PATCHv2 2/5] is a new one, adding global data block pool support.
>    The max total size of the pool is 2G and all the targets will get
>    growing blocks from here.
>    Test this using multi-targets at the same time.
> - [PATCHv2 3/5] changed nothing, respin it to avoid the conflict.
> - [PATCHv2 4/5] and [PATCHv2 5/5] are new ones.
>
>
>
> Xiubo Li (4):
>    tcmu: Fix possible overwrite of t_data_sg's last iov[]
>    tcmu: Fix wrongly calculating of the base_command_size
>    tcmu: Add dynamic growing data area feature support
>    tcmu: Add global data block pool support
>
>   drivers/target/target_core_user.c | 605 +++++++++++++++++++++++++++++++-------
>   1 file changed, 504 insertions(+), 101 deletions(-)

I have built this patch into our kernel and will get back to you.

We will be doing larger scale testing to make sure everything still works.

-Bryant