BLK_QUEUE_PHYSICAL_B(9) Block Devices BLK_QUEUE_PHYSICAL_B(9)

NAME blk_queue_physical_block_size - set physical block size for the queue

SYNOPSIS void blk_queue_physical_block_size(struct request_queue * q, unsigned int size);

ARGUMENTS q the request queue for the device

size the physical block size, in bytes

DESCRIPTION This should be set to the lowest possible sector size that the hardware can operate on without reverting to read-modify-write operations.