LU-16327 llite: read_folio, release_folio, filler_t

[fs/lustre-release.git] / lustre / include / lustre_compat.h

diff --git a/lustre/include/lustre_compat.h b/lustre/include/lustre_compat.h
index 4f2bd8a..696a9df 100644 (file)
--- a/lustre/include/lustre_compat.h
+++ b/lustre/include/lustre_compat.h
@@ -620,4 +620,19 @@ static inline void cfs_delete_from_page_cache(struct page *page)
 }
 #endif
 
+static inline struct page *ll_read_cache_page(struct address_space *mapping,
+                                             pgoff_t index, filler_t *filler,
+                                             void *data)
+{
+#ifdef HAVE_READ_CACHE_PAGE_WANTS_FILE
+       struct file dummy_file;
+
+       dummy_file.f_ra.ra_pages = 32; /* unused, modified on ra error */
+       dummy_file.private_data = data;
+       return read_cache_page(mapping, index, filler, &dummy_file);
+#else
+       return read_cache_page(mapping, index, filler, data);
+#endif /* HAVE_READ_CACHE_PAGE_WANTS_FILE */
+}
+
 #endif /* _LUSTRE_COMPAT_H */