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NFS: use scope from exchange_id to skip reclaim

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can be skipped if the "eir_server_scope" from the exchange_id proc differs from
previous calls.

Also, in the future server_scope will be useful for determining whether client
trunking is available

Signed-off-by: Weston Andros Adamson <dros@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Weston Andros Adamson
2011-05-31 19:05:47 -04:00
committed by Trond Myklebust
parent 7e574f0d39
commit 78fe0f41d9
7 changed files with 55 additions and 2 deletions
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8
fs/nfs/nfs4xdr.c
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@@ -4977,11 +4977,17 @@ static int decode_exchange_id(struct xdr_stream *xdr,
if (unlikely(status))
return status;
/* Throw away server_scope */
/* Save server_scope */
status = decode_opaque_inline(xdr, &dummy, &dummy_str);
if (unlikely(status))
return status;
if (unlikely(dummy > NFS4_OPAQUE_LIMIT))
return -EIO;
memcpy(res->server_scope->server_scope, dummy_str, dummy);
res->server_scope->server_scope_sz = dummy;
/* Throw away Implementation id array */
status = decode_opaque_inline(xdr, &dummy, &dummy_str);
if (unlikely(status))