Command 49: MDS_GETXATTR
~~~~~~~~~~~~~~~~~~~~~~~~
[[mds-getxattr-rpc]]

An RPC that provides information about extended attributes for a
resource.

.MDS_GETXATTR Generic Packet Structure
image::mds-getxattr-generic.png["MDS_GETXATTR Generic Packet Structure",height=100]

//////////////////////////////////////////////////////////////////////
The mds-getxattr-generic.png diagram resembles this text art:

       MDS_GETXATTR:
      --request-----------------------------------------------
      | ptlrpc_body | mdt_body | lustre_capa | name | eadata |
      --------------------------------------------------------
      --reply----------------------------
      | ptlrpc_body | mdt_body | eadata |
      -----------------------------------
//////////////////////////////////////////////////////////////////////

'ptlrpc_body'::
RPC descriptor.

'mdt_body'::
Metadata about the resource.

'lustre_capa'::
So called "capabilities" structure. This is deprecated in recent
versions of Lustre, and commonly appears in the packet header as a zero
length buffer.

'name'::
A text field supplying the name of the desired resource.

'eadata'::
Information about extended attributes. This buffer is optional and will
appear as zero length in some packets.