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

[Jens Axboe]

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 request queue zone bitmaps
>   initialization and revalidation.
> 
> Please consider the addition of these patches in 4.20.
> Comments are as always welcome.

How do we want to funnel this series? 1-3 look separate, so perhaps they
should go through the scsi tree. Then I can take the rest. Or do some
of the later ones depend on 1-3 being in, in terms of applying cleanly?
I can also take all of them, looks like only #3 needs a SCSI ack.

-- 
Jens Axboe