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author | Chuck Lever <chuck.lever@oracle.com> | 2007-02-06 18:26:11 -0500 |
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committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2007-02-12 22:40:45 -0800 |
commit | 43d78ef2ba5bec26d0315859e8324bfc0be23766 (patch) | |
tree | 6ea576e0a20a11745c7a45b2a15dd855a45b655a /fs/affs/inode.c | |
parent | a301b777714087ea1d63dbec0173a13d416cd7a9 (diff) |
NFS: disconnect before retrying NFSv4 requests over TCP
RFC3530 section 3.1.1 states an NFSv4 client MUST NOT send a request
twice on the same connection unless it is the NULL procedure. Section
3.1.1 suggests that the client should disconnect and reconnect if it
wants to retry a request.
Implement this by adding an rpc_clnt flag that an ULP can use to
specify that the underlying transport should be disconnected on a
major timeout. The NFSv4 client asserts this new flag, and requests
no retries after a minor retransmit timeout.
Note that disconnecting on a retransmit is in general not safe to do
if the RPC client does not reuse the TCP port number when reconnecting.
See http://bugzilla.linux-nfs.org/show_bug.cgi?id=6
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/affs/inode.c')
0 files changed, 0 insertions, 0 deletions