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.

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                   BLK_QUEUE_PHYSICAL_B(9)