patch:reiserfs 3.6.25 + LVM(Fix oops reiserfs filesystem)

[hugang]

--- reiserfs_fs.h.old   Sat Jan 13 22:17:45 2001
+++ reiserfs_fs.h       Sat Jan 13 22:46:42 2001
@@ -1420,7 +1420,7 @@
 #define op_is_left_mergeable(key,bsize)              item_ops[le_key_k_type (le_key_version (key), key)]->is_left_mergeable (key, bsize)
 #define op_print_item(ih,item)                       item_ops[le_ih_k_type (ih)]->print_item (ih, item)
 #define op_check_item(ih,item)                       item_ops[le_ih_k_type (ih)]->check_item (ih, item)
-#define op_create_vi(vn,vi,is_affected,insert_size)  item_ops[le_ih_k_type (vi->vi_ih)]->create_vi (vn,vi,is_affected,insert_size)
+#define op_create_vi(vn,vi,is_affected,insert_size)  item_ops[le_ih_k_type(vi->vi_ih)]->create_vi > 0 ? item_ops[le_ih_k_type (vi->vi_ih)]->create_vi(vn,vi,is_affected,insert_size) : 0
 #define op_check_left(vi,free,start_skip,end_skip)   item_ops[(vi)->vi_index]->check_left (vi, free, start_skip, end_skip)
 #define op_check_right(vi,free)                      item_ops[(vi)->vi_index]->check_right (vi, free)
 #define op_part_size(vi,from,to)                     item_ops[(vi)->vi_index]->part_size (vi, from, to)