tree 7aded7178e87dc26eb2ceafb169d7e68a8ee5ded
parent e48edee2d8eab812f31f0ff62c6ba635ca2e1e21
author Mark Fasheh <mark.fasheh@oracle.com> 1173486106 -0800
committer Mark Fasheh <mark.fasheh@oracle.com> 1177624961 -0700

ocfs2: Read from an unwritten extent returns zeros

Return an optional extent flags field from our lookup functions and wire up
callers to treat unwritten regions as holes for the purpose of returning
zeros to the user.

Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>