blk_queue_physical_block_size (9) Linux Manual Page
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.