ocfs2: implement directory read-ahead
Uptodate.c now knows about read-ahead buffers. Use some more aggressive
logic in ocfs2_readdir().
The two functions which currently use directory read-ahead are
ocfs2_find_entry() and ocfs2_readdir().
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
diff --git a/fs/ocfs2/uptodate.h b/fs/ocfs2/uptodate.h
index 01cd32d..2e73206 100644
--- a/fs/ocfs2/uptodate.h
+++ b/fs/ocfs2/uptodate.h
@@ -40,5 +40,7 @@
struct buffer_head *bh);
void ocfs2_remove_from_cache(struct inode *inode,
struct buffer_head *bh);
+int ocfs2_buffer_read_ahead(struct inode *inode,
+ struct buffer_head *bh);
#endif /* OCFS2_UPTODATE_H */
