4 <------OST_STATFS
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-1 - The client issues an MDS_STATFS request to each MDT.
+*1 - The client issues an MDS_STATFS request to each MDT.*
The MDS_STATFS request is a so-called 'empty' RPC in that it consists
only of the 'ptlrpc_body' (Lustre RPC descriptor) with the opcode set to
!===================
|====
-2 - The MDS_STATFS reply returns 'statfs' info
+*2 - The MDS_STATFS reply returns 'statfs' info*
In addition to the 'ptlrpc_body' (Lustre RPC descriptor), the
MDS_STATFS reply to the client has the 'obd_statfs' structure. For a
!===================
|====
-3 - The client issues an OST_STATFS request to each OST.
+*3 - The client issues an OST_STATFS request to each OST.*
The OST_STATFS RPC looks just like the MDS_STATFS, except the opcode
is 13 instead of 41 and the target of the RPC is an OST instead of an
|====
-4 - The OST_STATFS reply returns 'statfs' info
+*4 - The OST_STATFS reply returns 'statfs' info*
In addition to the 'ptlrpc_body' (Lustre RPC descriptor), the OST_STATFS
reply to the client has the 'obd_statfs' structure. For a detailed