+#ifndef HAVE_PAGEVEC_LRU_ADD_FILE
+#define pagevec_lru_add_file pagevec_lru_add
+#endif
+
+#ifdef HAVE_ADD_TO_PAGE_CACHE_LRU
+#define ll_add_to_page_cache_lru(pg, mapping, off, gfp) \
+ add_to_page_cache_lru(pg, mapping, off, gfp)
+#define ll_pagevec_init(pv, cold) do {} while (0)
+#define ll_pagevec_add(pv, pg) (0)
+#define ll_pagevec_lru_add_file(pv) do {} while (0)
+#else
+#define ll_add_to_page_cache_lru(pg, mapping, off, gfp) \
+ add_to_page_cache(pg, mapping, off, gfp)
+#define ll_pagevec_init(pv, cold) pagevec_init(&lru_pvec, cold);
+#define ll_pagevec_add(pv, pg) \
+({ \
+ int __ret; \
+ \
+ page_cache_get(pg); \
+ __ret = pagevec_add(pv, pg); \
+})
+#define ll_pagevec_lru_add_file(pv) pagevec_lru_add_file(pv)
+#endif
+
+#if !defined(HAVE_NODE_TO_CPUMASK) && defined(HAVE_CPUMASK_OF_NODE)
+#define node_to_cpumask(i) (*(cpumask_of_node(i)))
+#define HAVE_NODE_TO_CPUMASK
+#endif
+
+#ifndef QUOTA_OK
+# define QUOTA_OK 0
+#endif
+#ifndef NO_QUOTA
+# define NO_QUOTA (-EDQUOT)
+#endif
+
+#if !defined(_ASM_GENERIC_BITOPS_EXT2_NON_ATOMIC_H_) && !defined(ext2_set_bit)
+# define ext2_set_bit __test_and_set_bit_le
+# define ext2_clear_bit __test_and_clear_bit_le
+# define ext2_test_bit test_bit_le
+# define ext2_find_first_zero_bit find_first_zero_bit_le
+# define ext2_find_next_zero_bit find_next_zero_bit_le
+#endif
+
+#ifdef ATTR_TIMES_SET
+# define TIMES_SET_FLAGS (ATTR_MTIME_SET | ATTR_ATIME_SET | ATTR_TIMES_SET)
+#else
+# define TIMES_SET_FLAGS (ATTR_MTIME_SET | ATTR_ATIME_SET)
+#endif
+
+#ifndef HAVE_SELINUX_IS_ENABLED
+static inline bool selinux_is_enabled(void)
+{
+ return 0;
+}
+#endif
+
+#ifndef HAVE_LM_XXX_LOCK_MANAGER_OPS
+# define lm_compare_owner fl_compare_owner
+#endif
+