Pass back a true/false value instead of the length which needs a compare
with the bytes in the request and drop the pointless gfp_t argument.
Signed-off-by: NChristoph Hellwig <hch@lst.de>
Signed-off-by: NKeith Busch <keith.busch@intel.com>
Signed-off-by: NJens Axboe <axboe@fb.com>