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@hansenpartnership.com>
Author.
Rob Landley <rob@landley.net>
Author.
COPYRIGHT
Kernel Hackers Manual 2.6. July 2010 SCSI_KMAP_ATOMIC_SG(9)
