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.