Name
bio_map_user —
map user address into bio
Synopsis
struct bio * bio_map_user ( | request_queue_t * q, |
| struct block_device * bdev, |
| unsigned long uaddr, |
| unsigned int len, |
| int write_to_vm) ; |
Arguments
q
the request_queue_t 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.