blk_queue_alignment_offset (9) - Linux Manuals

blk_queue_alignment_offset: set physical block alignment offset

Command to display blk_queue_alignment_offset manual in Linux: $ man 9 blk_queue_alignment_offset

NAME

blk_queue_alignment_offset - set physical block alignment offset

SYNOPSIS

void blk_queue_alignment_offset(struct request_queue * q, unsigned int offset);

ARGUMENTS

: 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.