bio_map_user(9)
NAME
bio_map_user - map user address into bio
SYNOPSIS
struct bio * bio_map_user(struct request_queue * q,
struct block_device * bdev,
unsigned long uaddr, unsigned int len,
int write_to_vm);
ARGUMENTS
- q
- the struct request_queue for the bio
- bdev
- destination block device
- uaddr
- start of user address
- len
- length in bytes
- write_to_vm
- bool indicating writing to pages or not
DESCRIPTION
Map the user space address into a bio suitable for io to a block
device. Returns an error pointer in case of error.