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

1 files changed, 12 insertions, 7 deletions

diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index c316a0bcae6c..439b97a6a269 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -2872,6 +2872,7 @@ static struct ipr_sglist *ipr_alloc_ucode_buffer(int buf_len)
         }
 
         scatterlist = sglist->scatterlist;
+        sg_init_table(scatterlist, num_elem);
 
         sglist->order = order;
         sglist->num_sg = num_elem;
@@ -2884,12 +2885,12 @@ static struct ipr_sglist *ipr_alloc_ucode_buffer(int buf_len)
 
                         /* Free up what we already allocated */
                         for (j = i - 1; j >= 0; j--)
-                                __free_pages(scatterlist[j].page, order);
+                                __free_pages(sg_page(&scatterlist[j]), order);
                         kfree(sglist);
                         return NULL;
                 }
 
-                scatterlist[i].page = page;
+                sg_set_page(&scatterlist[i], page);
         }
 
         return sglist;
@@ -2910,7 +2911,7 @@ static void ipr_free_ucode_buffer(struct ipr_sglist *sglist)
         int i;
 
         for (i = 0; i < sglist->num_sg; i++)
-                __free_pages(sglist->scatterlist[i].page, sglist->order);
+                __free_pages(sg_page(&sglist->scatterlist[i]), sglist->order);
 
         kfree(sglist);
 }
@@ -2940,9 +2941,11 @@ static int ipr_copy_ucode_buffer(struct ipr_sglist *sglist,
         scatterlist = sglist->scatterlist;
 
         for (i = 0; i < (len / bsize_elem); i++, buffer += bsize_elem) {
-                kaddr = kmap(scatterlist[i].page);
+                struct page *page = sg_page(&scatterlist[i]);
+
+                kaddr = kmap(page);
                 memcpy(kaddr, buffer, bsize_elem);
-                kunmap(scatterlist[i].page);
+                kunmap(page);
 
                 scatterlist[i].length = bsize_elem;
 
@@ -2953,9 +2956,11 @@ static int ipr_copy_ucode_buffer(struct ipr_sglist *sglist,
         }
 
         if (len % bsize_elem) {
-                kaddr = kmap(scatterlist[i].page);
+                struct page *page = sg_page(&scatterlist[i]);
+
+                kaddr = kmap(page);
                 memcpy(kaddr, buffer, len % bsize_elem);
-                kunmap(scatterlist[i].page);
+                kunmap(page);
 
                 scatterlist[i].length = len % bsize_elem;
         }