Pawel Jakub Dawidek ea478cb1da The whole point of having dedicated worker thread for each leaf VDEV was to ... avoid calling zio_interrupt() from geom_up thread context. It turns out that when provider is forcibly removed from the system and we kill worker thread there can still be some ZIOs pending. To complete pending ZIOs when there is no worker thread anymore we still have to call zio_interrupt() from geom_up context. To avoid this race just remove use of worker threads altogether. This should be more or less fine, because I also thought that zio_interrupt() does more work, but it only makes small UMA allocation with M_WAITOK. It also saves one context switch per I/O request. PR: kern/145339 Reported by: Alex Bakhtin <Alex.Bakhtin@gmail.com> MFC after: 1 week		2010-05-16 11:56:42 +00:00
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boot/zfs	Import OpenSolaris revision 7837:001de5627df3	2010-05-13 20:32:56 +00:00
compat/opensolaris	Import OpenSolaris revision 7837:001de5627df3	2010-05-13 20:32:56 +00:00
contrib/opensolaris	The whole point of having dedicated worker thread for each leaf VDEV was to	2010-05-16 11:56:42 +00:00
dev	Rename the cyclic global variable lapic_cyclic_clock_func to just	2010-04-20 17:03:30 +00:00