other versions
| 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¶
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
AUTHORS¶
James Bottomley <James.Bottomley@hansenpartnership.com>
Author.
Rob Landley <rob@landley.net>
Author.
COPYRIGHT¶
| September 2017 | Kernel Hackers Manual 4.12 |