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| author | Weston Andros Adamson <dros@netapp.com> | 2011-05-31 23:05:47 (GMT) |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2011-07-12 17:40:27 (GMT) |
| commit | 78fe0f41d9937ee62817912ac8d627e06243c269 (patch) | |
| tree | 7ae4ac3f9675ecbddb5ec0c4615313ae899c10da /fs/nfs/nfs4xdr.c | |
| parent | 7e574f0d3911c5cc60d4d2b57fee975c462d6cd0 (diff) | |
| download | linux-78fe0f41d9937ee62817912ac8d627e06243c269.tar.xz | |
NFS: use scope from exchange_id to skip reclaim
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>
Diffstat (limited to 'fs/nfs/nfs4xdr.c')
| -rw-r--r-- | fs/nfs/nfs4xdr.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c index e6e8f3b..1555c74 100644 --- a/fs/nfs/nfs4xdr.c +++ b/fs/nfs/nfs4xdr.c @@ -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)) |