ocfs2: wait for orphan recovery first once append O_DIRECT write crash

ocfs2: wait for orphan recovery first once append O_DIRECT write crash

If one node has crashed with orphan entry leftover, another node which do
append O_DIRECT write to the same file will override the
i_dio_orphaned_slot.  Then the old entry won't be cleaned forever.  If
this case happens, we let it wait for orphan recovery first.

Signed-off-by: Joseph Qi <[email protected]>
Cc: Weiwei Wang <[email protected]>
Cc: Joel Becker <[email protected]>
Cc: Junxiao Bi <[email protected]>
Cc: Mark Fasheh <[email protected]>
Cc: Xuejiufei <[email protected]>
Cc: alex chen <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>