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
sgl
     scatter-gather list
    
sg_count
     number of segments in sg
    
offset
     offset in bytes into sg, on return offset into the mapped area
    
len
     bytes to map, on return number of bytes mapped
    
Description
   Returns virtual address of the start of the mapped page