On Fri, Apr 08, 2022 at 10:36:40AM +0800, JeffleXu wrote:
> 
> 
> On 4/7/22 10:10 PM, Vivek Goyal wrote:
> > On Sat, Apr 02, 2022 at 06:32:50PM +0800, Jeffle Xu wrote:
> >> Move dmap free worker kicker inside the critical region, so that extra
> >> spinlock lock/unlock could be avoided.
> >>
> >> Suggested-by: Liu Jiang <ge...@linux.alibaba.com>
> >> Signed-off-by: Jeffle Xu <jeffl...@linux.alibaba.com>
> > 
> > Looks good to me. Have you done any testing to make sure nothing is
> > broken.
> 
> xfstests -g quick shows no regression. The tested virtiofs is mounted
> with "dax=always".

I think xfstests might not trigger reclaim. You probably will have to
run something like blogbench with a small dax window like 1G so that
heavy reclaim happens.

For fun, I sometimes used to run it with a window of just say 16 dax
ranges so that reclaim was so heavy that if there was a bug, it will
show up.

Thanks
Vivek

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