tree 3c3dddb796ddb24b24de8081df7851495cfafc11
parent 89e2a8404e4415da1edbac6ca4f7332b4a74fae2
author Dan Williams <dan.j.williams@intel.com> 1439820806 -0600
committer Jens Axboe <axboe@fb.com> 1439820806 -0600

scatterlist: use sg_phys()

Coccinelle cleanup to replace open coded sg to physical address
translations.  This is in preparation for introducing scatterlists that
reference __pfn_t.

// sg_phys.cocci: convert usage page_to_phys(sg_page(sg)) to sg_phys(sg)
// usage: make coccicheck COCCI=sg_phys.cocci MODE=patch

virtual patch

@@
struct scatterlist *sg;
@@

- page_to_phys(sg_page(sg)) + sg->offset
+ sg_phys(sg)

@@
struct scatterlist *sg;
@@

- page_to_phys(sg_page(sg))
+ sg_phys(sg) & PAGE_MASK

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Jens Axboe <axboe@fb.com>