ide_atapi_pc 656 include/linux/ide.h struct ide_atapi_pc *pc; ide_atapi_pc 661 include/linux/ide.h void (*pc_update_buffers)(struct ide_drive_s *, struct ide_atapi_pc *); ide_atapi_pc 662 include/linux/ide.h int (*pc_io_buffers)(struct ide_drive_s *, struct ide_atapi_pc *, ide_atapi_pc 667 include/linux/ide.h struct ide_atapi_pc request_sense_pc;