On Fri, Feb 02, 2018 at 09:53:28AM -0800, Tejun Heo wrote: > FUSE has a bug where it fails to clear congestion states if a > connection gets aborted while congested, which can leave > nr_wb_congested[] stuck until reboot causing wait_iff_congested() to > wait spuriously. > > While the bdi owner, FUSE, is primarily responsible for clearing > congestion states before destroying bdi_writebacks, bdi layer can > ensure that congestion states are not leaked beyond bdi_writeback > lifecycle. > > Signed-off-by: Tejun Heo <tj@xxxxxxxxxx> > Reported-by: Joshua Miller <joshmiller@xxxxxx> > Cc: Johannes Weiner <hannes@xxxxxxxxxxx> > Cc: Jan Kara <jack@xxxxxxx> > Cc: stable@xxxxxxxxxxxxxxx Acked-by: Johannes Weiner <hannes@xxxxxxxxxxx>