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SubjectRe: [fuse-devel] Horrible mmap write performance (kernel writeback issue?)
Hello,

On Mon, Apr 11, 2016 at 10:04:42AM +0200, Jakob Unterwurzacher wrote:
> What seems to be happening in the kernel is that the estimated device bandwith
> drops to zero. I'm not even sure how this works for FUSE, but that's what I
> gathered from some printk debugging.

Yeah, writeback bw getting messed up is the most likely cause. Prolly
some silly bug. I can reproduce the problem. Looking into it.

Thanks.

--
tejun

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