On Wed, Nov 20, 2019 at 10:30:21AM +0530, Ritesh Harjani wrote:
> Apparently our current rwsem code doesn't like doing the trylock, then
> lock for real scheme. So change our dax read/write methods to just do the
> trylock for the RWF_NOWAIT case.
> This seems to fix AIM7 regression in some scalable filesystems upto ~25%
> in some cases. Claimed in commit 942491c9e6d6 ("xfs: fix AIM7 regression")
>
> Signed-off-by: Ritesh Harjani <riteshh@xxxxxxxxxxxxx>
This looks OK to me. Feel free to add:
Reviewed-by: Matthew Bobrowski <mbobrowski@xxxxxxxxxxxxxx>
/M
