On Tue, Mar 12, 2019 at 1:29 AM Dabrowski, Mariusz <mariusz.dabrowski@xxxxxxxxx> wrote: > > 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 Applied to https://github.com/liu-song-6/linux/tree/for-5.1/md-post . Will send pull request soon. Thanks, Song
