[dm-devel] [PATCH v4 00/11] Zoned block device support improvements

[Damien Le Moal]

Jens,

On 2018/10/23 16:59, Jens Axboe wrote:
> On 10/12/18 4:08 AM, Damien Le Moal wrote:
>> This series improves zoned block device support (reduce overhead) and
>> introduces many simplifications to the code (overall, there are more deletions
>> than insertions).
>>
>> In more details:
>> * Patches 1 to 3 are SCSI side (sd driver) cleanups and improvements reducing
>>   the overhead of report zones command execution during disk scan and
>>   revalidation.
>> * Patches 4 to 9 improve the useability and user API of zoned block devices.
>> * Patch 10 is the main part of this series. This patch replaces the
>>   REQ_OP_ZONE_REPORT BIO/request operation for executing report zones commands
>>   with a block device file operation, removing the need for the command reply
>>   payload in-place rewriting in the BIO buffer. This leads to major
>>   simplification of the code in many places.
>> * Patch 11 further simplifies the code of low level drivers by providing a
>>   generic implementation of zoned block device reuest queue zone bitmaps
>>   initialization and revalidation.
> 
> I've applied this, but I have two complaints:
> 
> 1) Two had to be hand applied, it wasn't against the block tree.

My apologies for that. I had to rebase against the latest RC because of a
conflict with late fixes in DM. I should have checked more carefully against the
block tree after that. Sorry about this, I will be more careful going forward.

> 2) The ordering of the signed-off-by. Someone told me that this is
>    patchwork, but I absolutely hate it. SOB should go last, not before
>    the reviewed-by. I fixed that up too.

Thank you. I think this was me rather than patchwork when I a manually added the
reviewed-by tags with new versions of the series. I will remember this and tag
in you preferred order.

Thank you.

Best regards.

-- 
Damien Le Moal
Western Digital Research