SG: Change sg_set_page() to take length and offset argument

[deliverable/linux.git] / fs / ecryptfs / crypto.c

diff --git a/fs/ecryptfs/crypto.c b/fs/ecryptfs/crypto.c
index 1ae90ef2c74d7b267e4250e2235c095e74469c30..7a472b129997e0113a0c3cec99a2a0d8743c3bbc 100644 (file)
--- a/fs/ecryptfs/crypto.c
+++ b/fs/ecryptfs/crypto.c
@@ -282,10 +282,8 @@ int virt_to_scatterlist(const void *addr, int size, struct scatterlist *sg,
        while (size > 0 && i < sg_size) {
                pg = virt_to_page(addr);
                offset = offset_in_page(addr);
-               if (sg) {
-                       sg[i].page = pg;
-                       sg[i].offset = offset;
-               }
+               if (sg)
+                       sg_set_page(&sg[i], pg, 0, offset);
                remainder_of_page = PAGE_CACHE_SIZE - offset;
                if (size >= remainder_of_page) {
                        if (sg)
@@ -713,12 +711,11 @@ ecryptfs_encrypt_page_offset(struct ecryptfs_crypt_stat *crypt_stat,
 {
        struct scatterlist src_sg, dst_sg;
 
-       src_sg.page = src_page;
-       src_sg.offset = src_offset;
-       src_sg.length = size;
-       dst_sg.page = dst_page;
-       dst_sg.offset = dst_offset;
-       dst_sg.length = size;
+       sg_init_table(&src_sg, 1);
+       sg_init_table(&dst_sg, 1);
+
+       sg_set_page(&src_sg, src_page, size, src_offset);
+       sg_set_page(&dst_sg, dst_page, size, dst_offset);
        return encrypt_scatterlist(crypt_stat, &dst_sg, &src_sg, size, iv);
 }
 
@@ -742,12 +739,12 @@ ecryptfs_decrypt_page_offset(struct ecryptfs_crypt_stat *crypt_stat,
 {
        struct scatterlist src_sg, dst_sg;
 
-       src_sg.page = src_page;
-       src_sg.offset = src_offset;
-       src_sg.length = size;
-       dst_sg.page = dst_page;
-       dst_sg.offset = dst_offset;
-       dst_sg.length = size;
+       sg_init_table(&src_sg, 1);
+       sg_set_page(&src_sg, src_page, size, src_offset);
+
+       sg_init_table(&dst_sg, 1);
+       sg_set_page(&dst_sg, dst_page, size, dst_offset);
+
        return decrypt_scatterlist(crypt_stat, &dst_sg, &src_sg, size, iv);
 }