nvmet: return Invalid Field for invalid NSIDs feature 82h

The Reservation Notification Mask feature (FID 82h) defines its own
status code for namespaces that do not support reservations:

  "If a Set Features command or a Get Features command attempts to
  access the Reservation Notification Mask on a namespace that does
  not support reservations or is invalid, then that command is
  aborted with status code of Invalid Field in Command."

  -- NVMe Base Specification, section 5.2.26.1.33

The Set Features handler routes the namespace lookup through
nvmet_req_find_ns(), which returns Invalid Namespace or Format for an
unknown NSID.  That is the correct status for the generic
namespace-scoped admin commands, but not for this feature: a Set
Features 82h naming a nonexistent NSID is aborted with Invalid
Namespace or Format instead of Invalid Field in Command.

Translate the lookup failure to Invalid Field in Command.  The
broadcast NSID, the namespace-without-reservations case and everything
else keep their current behavior.

Fixes: 5a47c2080a73 ("nvmet: support reservation feature")
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Nilay Shroff <nilay@linux.ibm.com>
Signed-off-by: Guixin Liu <kanie@linux.alibaba.com>
Signed-off-by: Keith Busch <kbusch@kernel.org>

0 files changed, 0 insertions, 0 deletions