blk_queue_max_segments (9) - Linux Manuals
blk_queue_max_segments: set max hw segments for a request for this queue
blk_queue_max_segments - set max hw segments for a request for this queue
void blk_queue_max_segments(struct request_queue
* q, unsigned short max_segments);
- the request queue for the device
- max number of segments
Enables a low level driver to set an upper limit on the number of hw data segments in a request.