Messages in this thread | | | Date | Mon, 11 Apr 2016 20:24:28 -0400 | From | Tejun Heo <> | Subject | Re: [fuse-devel] Horrible mmap write performance (kernel writeback issue?) |
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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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