summaryrefslogtreecommitdiffstats
path: root/include
diff options
context:
space:
mode:
Diffstat (limited to 'include')
-rw-r--r--include/linux/pagemap.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h
index 4b3736f7065c..808942d31062 100644
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -670,4 +670,10 @@ static inline int add_to_page_cache(struct page *page,
return error;
}
+static inline unsigned long dir_pages(struct inode *inode)
+{
+ return (unsigned long)(inode->i_size + PAGE_CACHE_SIZE - 1) >>
+ PAGE_CACHE_SHIFT;
+}
+
#endif /* _LINUX_PAGEMAP_H */