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SubjectRe: [PATCH v4] scsi: support packing multi-segment in UNMAP command
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On 6/16/22 19:01, Martin K. Petersen wrote:
>> As SCSI SBC4 specification section 5.30.2 describes that it can
>> support unmapping one or more LBA range in single UNMAP command.
>>
>> However, previously we only pack one LBA range in UNMAP command by
>> default no matter device gives the block limits that says it can
>> support unmapping multiple LBA ranges with a single UNMAP command.
>>
>> This patch sets max_discard_segments config according to block limits
>> of device, and supports unmapping multiple LBA ranges with a single
>> UNMAP command.
>
> This looks OK to me. Will test with a variety of targets.

Hi Martin,

Have you already had the chance to test this patch? We would like to use
this functionality in Android.

Thanks,

Bart.


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