blk_queue_max_segment_size (9) - Linux Manuals
blk_queue_max_segment_size: set max segment size for blk_rq_map_sg
NAME
blk_queue_max_segment_size - set max segment size for blk_rq_map_sg
SYNOPSIS
- 
void blk_queue_max_segment_size(struct request_queue * q, unsigned intmax_size); 
ARGUMENTS
q
- 
- the request queue for the device
max_size
- max size of segment in bytes
DESCRIPTION
Enables a low level driver to set an upper limit on the size of a coalesced segment
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