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authorFabian Frederick <fabf@skynet.be>2015-05-24 18:19:41 +0300
committerAl Viro <viro@zeniv.linux.org.uk>2015-06-24 01:02:00 +0300
commitb57c2cb9ea1a02c2ae08e16de8c20cc13ffbf85a (patch)
tree22dd8d727b5797964bd0fdd7bc06218802a517d3 /include/linux/pagemap.h
parente5e6e97fe0f63b374e44a22f5a5c2d151c7fa8c5 (diff)
downloadlinux-b57c2cb9ea1a02c2ae08e16de8c20cc13ffbf85a.tar.xz
pagemap.h: move dir_pages() over there
That function was declared in a lot of filesystems to calculate directory pages. Signed-off-by: Fabian Frederick <fabf@skynet.be> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'include/linux/pagemap.h')
-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 */