1SCSI_KMAP_ATOMIC_SG(9) SCSI mid layer SCSI_KMAP_ATOMIC_SG(9)
2
3
4
6 scsi_kmap_atomic_sg - find and atomically map an sg-elemnt
7
9 void * scsi_kmap_atomic_sg(struct scatterlist * sgl, int sg_count,
10 size_t * offset, size_t * len);
11
13 sgl
14 scatter-gather list
15
16 sg_count
17 number of segments in sg
18
19 offset
20 offset in bytes into sg, on return offset into the mapped area
21
22 len
23 bytes to map, on return number of bytes mapped
24
26 Returns virtual address of the start of the mapped page
27
29 James Bottomley <James.Bottomley@hansenpartnership.com>
30 Author.
31
32 Rob Landley <rob@landley.net>
33 Author.
34
36Kernel Hackers Manual 2.6. November 2011 SCSI_KMAP_ATOMIC_SG(9)