Re: [PATCH v4 00/11] Zoned block device support improvements

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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.
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.

-- 
Jens Axboe




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