reiser4: port for Linux-3.14

diff -urN linux-3.14.1/fs/reiser4/page_cache.c linux-3.14.1.mat/fs/reiser4/page_cache.c
@@ -438,10 +438,10 @@
 		assert("nikita-2276", !reiser4_blocknr_is_fake(&blocknr));
 
 		bio->bi_bdev = super->s_bdev;
-		/* fill bio->bi_sector before calling bio_add_page(), because
+		/* fill bio->bi_iter.bi_sector before calling bio_add_page(), because
 		 * q->merge_bvec_fn may want to inspect it (see
 		 * drivers/md/linear.c:linear_mergeable_bvec() for example. */
-		bio->bi_sector = blocknr * (blksz >> 9);
+		bio->bi_iter.bi_sector = blocknr * (blksz >> 9);
 
 		if (!bio_add_page(bio, page, blksz, 0)) {
 			warning("nikita-3452",

diff -urN linux-3.14.1/fs/reiser4/status_flags.c linux-3.14.1.mat/fs/reiser4/status_flags.c
@@ -45,13 +45,13 @@
 
 	bio = bio_alloc(reiser4_ctx_gfp_mask_get(), 1);
 	if (bio != NULL) {
-		bio->bi_sector = block * (sb->s_blocksize >> 9);
+		bio->bi_iter.bi_sector = block * (sb->s_blocksize >> 9);
 		bio->bi_bdev = sb->s_bdev;
 		bio->bi_io_vec[0].bv_page = page;
 		bio->bi_io_vec[0].bv_len = sb->s_blocksize;
 		bio->bi_io_vec[0].bv_offset = 0;
 		bio->bi_vcnt = 1;
-		bio->bi_size = sb->s_blocksize;
+		bio->bi_iter.bi_size = sb->s_blocksize;
 		bio->bi_end_io = reiser4_status_endio;
 	} else {
 		__free_pages(page, 0);

@@ -150,7 +150,7 @@
 	bio->bi_io_vec[0].bv_len = sb->s_blocksize;
 	bio->bi_io_vec[0].bv_offset = 0;
 	bio->bi_vcnt = 1;
-	bio->bi_size = sb->s_blocksize;
+	bio->bi_iter.bi_size = sb->s_blocksize;
 	bio->bi_end_io = reiser4_status_endio;
 	lock_page(get_super_private(sb)->status_page);	/* Safe as nobody should
 							 * touch our page. */

diff -urN linux-3.14.1/fs/reiser4/wander.c linux-3.14.1.mat/fs/reiser4/wander.c
@@ -736,7 +736,7 @@
 			return RETERR(-ENOMEM);
 
 		bio->bi_bdev = super->s_bdev;
-		bio->bi_sector = block * (super->s_blocksize >> 9);
+		bio->bi_iter.bi_sector = block * (super->s_blocksize >> 9);
 		for (nr_used = 0, i = 0; i < nr_blocks; i++) {
 			struct page *pg;
 

@@ -823,7 +823,7 @@
 		}
 		if (nr_used > 0) {
 			assert("nikita-3453",
-			       bio->bi_size == super->s_blocksize * nr_used);
+			       bio->bi_iter.bi_size == super->s_blocksize * nr_used);
 			assert("nikita-3454", bio->bi_vcnt == nr_used);
 
 			/* Check if we are allowed to write at all */