On Fri, Mar 25, 2011 at 4:06 PM, James Bottomley <James.Bottomley@xxxxxxx> wrote: > Explain first what lock inversion problems you see ... those usually > only happen if you have the in the kernel upcall thread waiting for > completion. In this context asynchronous upcalls have their problems too: the in-kernel and the user space visible state may become inconsistent. What will happen if processing of such notifications is delayed and concurrently attempts are made from user space to act on these objects ? I'm afraid that could result in horrible race conditions. Bart. -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
