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BLK_QUEUE_MAX_SEGMEN(9) Block Devices BLK_QUEUE_MAX_SEGMEN(9)

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 int max_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

COPYRIGHT

March 2016 Kernel Hackers Manual 3.2.