RE: Re: [PATCH v32 0/4] scsi: ufs: Add Host Performance Booster Support

[Daejun Park]

Hi Can Guo,

>> 
>> HPB is shown to have a performance improvement of 58 - 67% for random 
>> read
>> workload. [1]
>> 
>> [1]:
>> https://www.usenix.org/conference/hotstorage17/program/presentation/jeong
>> 
>> Daejun Park (4):
>>   scsi: ufs: Introduce HPB feature
>>   scsi: ufs: L2P map management for HPB read
>>   scsi: ufs: Prepare HPB read for cached sub-region
>>   scsi: ufs: Add HPB 2.0 support
>> 
>>  Documentation/ABI/testing/sysfs-driver-ufs |  162 ++
>>  drivers/scsi/ufs/Kconfig                   |    9 +
>>  drivers/scsi/ufs/Makefile                  |    1 +
>>  drivers/scsi/ufs/ufs-sysfs.c               |   22 +
>>  drivers/scsi/ufs/ufs.h                     |   54 +-
>>  drivers/scsi/ufs/ufshcd.c                  |   74 +-
>>  drivers/scsi/ufs/ufshcd.h                  |   29 +
>>  drivers/scsi/ufs/ufshpb.c                  | 2387 ++++++++++++++++++++
>>  drivers/scsi/ufs/ufshpb.h                  |  277 +++
>>  9 files changed, 3013 insertions(+), 2 deletions(-)
>>  create mode 100644 drivers/scsi/ufs/ufshpb.c
>>  create mode 100644 drivers/scsi/ufs/ufshpb.h
> 
>To the entire series:
> 
>Tested-by: Can Guo <cang@xxxxxxxxxxxxxx>

Thanks for testing the patch series. :)

Daejun