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| 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¶
struct request_queue * q
the request queue for the device
unsigned int 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¶
| July 2017 | Kernel Hackers Manual 4.11 |