Re: [PATCH v10 02/41] iomap: support REQ_OP_ZONE_APPEND

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On 30/11/2020 19:16, Darrick J. Wong wrote:
> On Tue, Nov 10, 2020 at 08:26:05PM +0900, Naohiro Aota wrote:
>> A ZONE_APPEND bio must follow hardware restrictions (e.g. not exceeding
>> max_zone_append_sectors) not to be split. bio_iov_iter_get_pages builds
>> such restricted bio using __bio_iov_append_get_pages if bio_op(bio) ==
>> REQ_OP_ZONE_APPEND.
>>
>> To utilize it, we need to set the bio_op before calling
>> bio_iov_iter_get_pages(). This commit introduces IOMAP_F_ZONE_APPEND, so
>> that iomap user can set the flag to indicate they want REQ_OP_ZONE_APPEND
>> and restricted bio.
>>
>> Signed-off-by: Naohiro Aota <naohiro.aota@xxxxxxx>
> 
> Christoph's answers seem reasonable to me, so
> 
> Reviewed-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
> 
> Er... do you want me to take this one via the iomap tree?

Ahm probably yes, but we have an update addressing Christoph's coming
with the next version series.




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