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>

1 files changed, 0 insertions, 4 deletions

diff --git a/fs/ocfs2/inode.c b/fs/ocfs2/inode.c
index 3f496c41fea8..7bcf69154592 100644
--- a/fs/ocfs2/inode.c
+++ b/fs/ocfs2/inode.c
@@ -1050,12 +1050,8 @@ struct buffer_head *ocfs2_bread(struct inode *inode,
         u64 p_blkno;
         int readflags = OCFS2_BH_CACHED;
 
-#if 0
-        /* only turn this on if we know we can deal with read_block
-         * returning nothing */
         if (reada)
                 readflags |= OCFS2_BH_READAHEAD;
-#endif
 
         if (((u64)block << inode->i_sb->s_blocksize_bits) >=
             i_size_read(inode)) {