for OPEN with O_TRUNC, if the truncate fails, the open fails.  for
nfs4_open_upgrade, this means undo the get_write_access.  for new OPENs, this
means release the newly created stateid.
Signed-off-by: Andy Adamson <andros@citi.umich.edu>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>