On 3/8/19 10:29 AM, Song Liu wrote: > On Thu, Mar 7, 2019 at 6:52 PM Guoqing Jiang <gqjiang@xxxxxxxx> wrote: >> >> >> >> On 3/8/19 2:26 AM, Song Liu wrote: >>> >>>> On Mar 6, 2019, at 11:46 PM, Dabrowski, Mariusz <mariusz.dabrowski@xxxxxxxxx> wrote: >>>> >>>> On 2/18/19 3:04 PM, Mariusz Dabrowski wrote: >>>>> When the Partial Parity Log is enabled, circular buffer is used to store >>>>> PPL data. Each write to RAID device causes overwrite of data in this buffer >>>>> so some write_hint can be set to those request to help drives handle >>>>> garbage collection. This patch adds new sysfs attribute which can be used >>>>> to specify which write_hint should be assigned to PPL. >>>>> >>>>> Signed-off-by: Mariusz Dabrowski <mariusz.dabrowski@xxxxxxxxx> >>>>> --- >>>>> v2: moved ppl_write_hint releated stuff from raid5.c to raid5-ppl.c >>>>> >>>>> Documentation/admin-guide/md.rst | 3 ++ >>>>> drivers/md/raid5-log.h | 1 + >>>>> drivers/md/raid5-ppl.c | 63 ++++++++++++++++++++++++++++++++++++++++ >>>>> drivers/md/raid5.c | 1 + >>>>> 4 files changed, 68 insertions(+) >> >> Acked-by: Guoqing Jiang <gqjiang@xxxxxxxx> >> >> Thanks, >> Guoqing > > Thanks Guoqing! > > Song > Hello, Thanks for ack. What is the status of this patch now? Is it possible that it can land in 5.1 kernel? Regards, Mariusz
