ocfs2: Require an inode for ocfs2_read_block(s)().

Now that synchronous readers are using ocfs2_read_blocks_sync(), all
callers of ocfs2_read_blocks() are passing an inode.  Use it
unconditionally.  Since it's there, we don't need to pass the
ocfs2_super either.

Signed-off-by: Joel Becker <joel.becker@oracle.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>
diff --git a/fs/ocfs2/extent_map.c b/fs/ocfs2/extent_map.c
index a7b1cfa..5b48221 100644
--- a/fs/ocfs2/extent_map.c
+++ b/fs/ocfs2/extent_map.c
@@ -293,8 +293,8 @@
 	struct ocfs2_extent_block *eb;
 	struct ocfs2_extent_list *el;
 
-	ret = ocfs2_read_block(OCFS2_SB(inode->i_sb), last_eb_blk,
-			       &eb_bh, OCFS2_BH_CACHED, inode);
+	ret = ocfs2_read_block(inode, last_eb_blk,
+			       &eb_bh, OCFS2_BH_CACHED);
 	if (ret) {
 		mlog_errno(ret);
 		goto out;
@@ -382,9 +382,9 @@
 		if (le64_to_cpu(eb->h_next_leaf_blk) == 0ULL)
 			goto no_more_extents;
 
-		ret = ocfs2_read_block(OCFS2_SB(inode->i_sb),
+		ret = ocfs2_read_block(inode,
 				       le64_to_cpu(eb->h_next_leaf_blk),
-				       &next_eb_bh, OCFS2_BH_CACHED, inode);
+				       &next_eb_bh, OCFS2_BH_CACHED);
 		if (ret) {
 			mlog_errno(ret);
 			goto out;
@@ -631,8 +631,8 @@
 	if (ret == 0)
 		goto out;
 
-	ret = ocfs2_read_block(OCFS2_SB(inode->i_sb), OCFS2_I(inode)->ip_blkno,
-			       &di_bh, OCFS2_BH_CACHED, inode);
+	ret = ocfs2_read_block(inode, OCFS2_I(inode)->ip_blkno,
+			       &di_bh, OCFS2_BH_CACHED);
 	if (ret) {
 		mlog_errno(ret);
 		goto out;