Hi Christoph, On Sun, Feb 27, 2022 at 09:16:54AM -0800, Christoph Hellwig wrote: > On Thu, Feb 10, 2022 at 07:56:37PM +0800, Yu Kuai wrote: > > Throttled bios can't be issued after del_gendisk() is done, thus > > it's better to cancel them immediately rather than waiting for > > throttle is done. > > > > For example, if user thread is throttled with low bps while it's > > issuing large io, and the device is deleted. The user thread will > > wait for a long time for io to return. > > FYI, this crashed left rigt and center when running xfstests with > traces pointing to throtl_pending_timer_fn. Can you share the exact xfstests test(fs, test)? Or panic log? I can't reproduce it when running './check -g auto' on XFS, meantime tracking throtl_pending_timer_fn(). Thanks, Ming
