ocfs2: Fix calculation of i_blocks during truncate

We were setting i_blocks too early - before truncating any allocation.
Correct things to set i_blocks after the allocation change.

Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>

fs/ocfs2/alloc.c

@@ -5602,6 +5602,7 @@ static int ocfs2_do_truncate(struct ocfs2_super *osb,
 				      clusters_to_del;
 	spin_unlock(&OCFS2_I(inode)->ip_lock);
 	le32_add_cpu(&fe->i_clusters, -clusters_to_del);
+	inode->i_blocks = ocfs2_inode_sector_count(inode);
 
 	status = ocfs2_trim_tree(inode, path, handle, tc,
 				 clusters_to_del, &delete_blk);

fs/ocfs2/file.c

@@ -314,7 +314,6 @@ static int ocfs2_orphan_for_truncate(struct ocfs2_super *osb,
 	}
 
 	i_size_write(inode, new_i_size);
-	inode->i_blocks = ocfs2_align_bytes_to_sectors(new_i_size);
 	inode->i_ctime = inode->i_mtime = CURRENT_TIME;
 
 	di = (struct ocfs2_dinode *) fe_bh->b_data;