Man page 9 : scsi_kmap_atomic_sg

scsi_kmap_atomic_sg - find and atomically map an sg-elemnt

void * scsi_kmap_atomic_sg(struct scatterlist *  sgl , int  sg_count , size_t *  offset , size_t *  len );

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

Returns virtual address of the start of the mapped page

James Bottomley <>
    Author.

Rob Landley <>
    Author.