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>
diff --git a/fs/ocfs2/journal.c b/fs/ocfs2/journal.c
index 2e2e04f..db77e09 100644
--- a/fs/ocfs2/journal.c
+++ b/fs/ocfs2/journal.c
@@ -670,7 +670,7 @@
(inode->i_blocks >> (inode->i_sb->s_blocksize_bits - 9))) {
status = ocfs2_extent_map_get_blocks(inode, v_blkno,
- &p_blkno, &p_blocks);
+ &p_blkno, &p_blocks, NULL);
if (status < 0) {
mlog_errno(status);
goto bail;