BIO_MAP_KERN

Section: The Linux VFS (9)
Updated: February 2011
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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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