On Thu, May 13, 2010 at 11:26:39AM -0400, Christoph Hellwig wrote: > On Thu, May 13, 2010 at 11:31:45AM -0400, Josef Bacik wrote: > > AIO's aio_complete does kmap with KM_IRQ0/1 and it gets called in the same > > context as the btrfs completion handler, so if it's ok for aio_complete it > > should be ok for btrfs right? Thanks, > > aio_complete does a spin_lock_irqsave before that, which disables > interrupts on the local CPU. > Ok how about I just do local_irq_disable() kmap(KM_IRQ0) local_irq_enable() would that be acceptable? Thanks, Josef -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
