On Wed, 23 May 2012, Lin Ming wrote: > On Wed, May 23, 2012 at 11:03 PM, Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote: > > On Wed, 23 May 2012, Lin Ming wrote: > > > >> Another thing need to check is if system suspend/resume works. > > > > Right! �Although I would hope that your work doesn't interfere at all > > with system sleep, since it touches only the runtime PM pathways. > > sd_sync_cache and sd_start_stop_device are changed with REQ_PM set. > And they are called for system suspend too. > > So it probably will have problem. People have already run into problems where system suspend occurred at a time when a SCSI device was already runtime suspended. That's why scsi_bus_suspend_common() includes an appropriate check. Alan Stern -- 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
