bio_map_kern (9) - Linux Man Pages

bio_map_kern: map kernel address into bio

NAME

bio_map_kern - map kernel address into bio

SYNOPSIS

struct bio * bio_map_kern(struct request_queue q, void data, unsigned int len, gfp_t gfp_mask);

ARGUMENTS

q

the struct request_queue for the bio

data

pointer to buffer to map

len

length in bytes

gfp_mask

allocation flags for bio allocation

DESCRIPTION

Map the kernel address into a bio suitable for io to a block device. Returns an error pointer in case of error.

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