On Sun, Nov 23, 2025 at 10:51:25PM +0000, Pavel Begunkov wrote:

+struct dma_token *blkdev_dma_map(struct file *file,

• 		 struct dma_token_params *params)
  

Given that this is a direct file operation instance it should be in block/fops.c. If we do want a generic helper below it, it should take a struct block_device instead. But we can probably defer that until a user for that shows up.