LU-1576 llite: correct page usage count

[fs/lustre-release.git] / lustre / include / linux / lustre_compat25.h

diff --git a/lustre/include/linux/lustre_compat25.h b/lustre/include/linux/lustre_compat25.h
index b9513c5..e0ee1c4 100644 (file)
--- a/lustre/include/linux/lustre_compat25.h
+++ b/lustre/include/linux/lustre_compat25.h
@@ -857,7 +857,13 @@ static inline int ll_quota_off(struct super_block *sb, int off, int remount)
 #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)          pagevec_add(pv, pg)
+#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