Hello, On Tue, Apr 12, 2016 at 02:54:08PM +0530, Ashish Sangwan wrote: > On Tue, Apr 12, 2016 at 5:54 AM, Tejun Heo <t...@kernel.org> wrote: > > 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. > > Probably you want to look into: > https://lkml.org/lkml/2016/3/10/21 > > The patch mentioned above solves the issue for me.
Heh, I tracked it down to wb_over_bg_thresh() and fell asleep. Yeah, that is the right fix. Thanks. -- tejun
