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
