SCSI_KMAP_ATOMIC_SG(9)                    SCSI mid layer                   SCSI_KMAP_ATOMIC_SG(9)



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

AUTHORS
       James Bottomley <James.Bottomley AT hansenpartnership.com>
           Author.

       Rob Landley <rob AT landley.net>
           Author.

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                    SCSI_KMAP_ATOMIC_SG(9)