On Wed, Jul 11, 2018 at 05:21:05PM +0200, Sebastian Andrzej Siewior wrote:
> ata_sff_data_xfer_noirq() is invoked via the ->sff_data_xfer hook. The
> latter is invoked by ata_pio_sector(), atapi_send_cdb() and
> __atapi_pio_bytes() which in turn is invoked by ata_sff_hsm_move().
> The latter functi
ata_sff_data_xfer_noirq() is invoked via the ->sff_data_xfer hook. The
latter is invoked by ata_pio_sector(), atapi_send_cdb() and
__atapi_pio_bytes() which in turn is invoked by ata_sff_hsm_move().
The latter function requires that the "ap->lock" lock is held which
needs to be taken with disabled
