Name
scsi_kmap_atomic_sg —
find and atomically map an sg-elemnt
Synopsis
void * scsi_kmap_atomic_sg ( | struct scatterlist * sgl, |
| | int sg_count, |
| | size_t * offset, |
| | size_t * len); |
Arguments
struct scatterlist * sgl
scatter-gather list
int sg_count
number of segments in sg
size_t * offset
offset in bytes into sg, on return offset into the mapped area
size_t * len
bytes to map, on return number of bytes mapped
Description
Returns virtual address of the start of the mapped page