On Thu, Aug 10, 2023 at 12:34:44AM +0200, Richard Weinberger wrote: > Will do so! So far I managed to get UBIblock work with scsi_kmap_atomic_sg(). > Sadly now with kmap'ed memory a bounce buffer is needed since IO in UBI/MTD can sleep. > Is there a strong reason why scsi_kmap_atomic_sg() needs IRQs disabled? I don't think it needs irqs disabled. Also if you switch from the deprecated kmap_atomic to kmap_local first you can sleep and don't need bounce buffers.
