On Tue, Sep 04, 2012 at 03:26:19PM -0400, Mikulas Patocka wrote: [..] > BTW. can these new-style timerless plugs introduce deadlocks too? What > happens when some bios are indefinitely delayed because their requests are > held in a plug and a mempool runs out? I think they will not deadlock because these on stack bios/requests are flushed/dispatched when process schedules out. So if a submitter blocks on a mempool, it will be scheduled out and requests on plug will be dispatched. Thanks Vivek -- To unsubscribe from this list: send the line "unsubscribe linux-bcache" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html