Merge branch 'sg' of git://git.kernel.dk/linux-2.6-block

* 'sg' of git://git.kernel.dk/linux-2.6-block:
  Add CONFIG_DEBUG_SG sg validation
  Change table chaining layout
  Update arch/ to use sg helpers
  Update swiotlb to use sg helpers
  Update net/ to use sg helpers
  Update fs/ to use sg helpers
  [SG] Update drivers to use sg helpers
  [SG] Update crypto/ to sg helpers
  [SG] Update block layer to use sg helpers
  [SG] Add helpers for manipulating SG entries

3 files changed, 10 insertions, 4 deletions

diff --git a/include/asm-x86/dma-mapping_32.h b/include/asm-x86/dma-mapping_32.h
index 6a2d26cb5da6..55f01bd9e556 100644
--- a/include/asm-x86/dma-mapping_32.h
+++ b/include/asm-x86/dma-mapping_32.h
@@ -45,9 +45,9 @@ dma_map_sg(struct device *dev, struct scatterlist *sglist, int nents,
         WARN_ON(nents == 0 || sglist[0].length == 0);
 
         for_each_sg(sglist, sg, nents, i) {
-                BUG_ON(!sg->page);
+                BUG_ON(!sg_page(sg));
 
-                sg->dma_address = page_to_phys(sg->page) + sg->offset;
+                sg->dma_address = sg_phys(sg);
         }
 
         flush_write_buffers();
diff --git a/include/asm-x86/scatterlist_32.h b/include/asm-x86/scatterlist_32.h
index bd5164aa8f63..0e7d997a34be 100644
--- a/include/asm-x86/scatterlist_32.h
+++ b/include/asm-x86/scatterlist_32.h
@@ -4,7 +4,10 @@
 #include <asm/types.h>
 
 struct scatterlist {
-    struct page         *page;
+#ifdef CONFIG_DEBUG_SG
+    unsigned long       sg_magic;
+#endif
+    unsigned long       page_link;
     unsigned int        offset;
     dma_addr_t          dma_address;
     unsigned int        length;
diff --git a/include/asm-x86/scatterlist_64.h b/include/asm-x86/scatterlist_64.h
index ef3986ba4b79..1847c72befeb 100644
--- a/include/asm-x86/scatterlist_64.h
+++ b/include/asm-x86/scatterlist_64.h
@@ -4,7 +4,10 @@
 #include <asm/types.h>
 
 struct scatterlist {
-    struct page         *page;
+#ifdef CONFIG_DEBUG_SG
+    unsigned long       sg_magic;
+#endif
+    unsigned long       page_link;
     unsigned int        offset;
     unsigned int        length;
     dma_addr_t          dma_address;