BOUNCE_SIZE
.max_hw_sectors = BOUNCE_SIZE >> 9,
.max_segment_size = BOUNCE_SIZE,
dev->bounce_size = BOUNCE_SIZE;
dev->bounce_buf = kmalloc(BOUNCE_SIZE, GFP_DMA);
#define PS3ROM_MAX_SECTORS (BOUNCE_SIZE >> 9)
dev->bounce_size = BOUNCE_SIZE;
dev->bounce_buf = kmalloc(BOUNCE_SIZE, GFP_DMA);