BLK_QUEUE_ALIGNMENT_(9) Block Devices BLK_QUEUE_ALIGNMENT_(9)
NAME blk_queue_alignment_offset - set physical block alignment offset
SYNOPSIS void blk_queue_alignment_offset(struct request_queue * q, unsigned int offset);
ARGUMENTS q the request queue for the device
offset alignment offset in bytes
DESCRIPTION Some devices are naturally misaligned to compensate for things like the legacy DOS partition table 63-sector offset. Low-level drivers should call this function for devices whose first sector is not naturally aligned.
COPYRIGHT Kernel Hackers Manual 2.6. November 2013 BLK_QUEUE_ALIGNMENT_(9)