Messages in this thread | | | Date | Fri, 13 Dec 2013 13:52:37 -0500 | From | Tejun Heo <> | Subject | Re: Writeback threads and freezable |
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On Fri, Dec 13, 2013 at 12:49:32PM -0500, Tejun Heo wrote: > I'm not completely sure what to do. We can make an exception for > bdi_wq and thaw it early but that breaks the guarantee that bdi is > frozen between device suspend and resume invocations and we might as > well just remove WQ_FREEZABLE from it. I don't know.
Ugh, so I removed WQ_FREEZABLE on bdi and the same deadlock now happens through jbd2 which is a freezable kthread. This whole kthread freezer thing is rotten and fundamentally broken. :(
-- tejun
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