diff options
| author | Andy Adamson <andros@netapp.com> | 2009-12-15 12:55:02 -0500 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2009-12-15 13:58:42 -0500 |
| commit | 68bf05efb7facbcf4a7b8d6b48a0800a90895511 (patch) | |
| tree | 200e0a6b376bda123adc1b1b13d148f8bba0b896 /fs/nfs | |
| parent | a5523b84c40d34d2c30b45096fbb099b98e4b5a3 (diff) | |
nfs41: fix session fore channel negotiation
If the rsize or wsize is not set on the mount command, negotiate the highest
supported rsize and wsize in session creation.
Fixes a bug where the client negotiated nfs41_maxwrite_overhead as
ca_maxrequestsize and nfs41_maxread_overhead as ca_maxresponsesize resulting
in NFS4ERR_REQ_TOO_BIG errors on writes.
Signed-off-by: Andy Adamson <andros@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs')
| -rw-r--r-- | fs/nfs/nfs4proc.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index bd4555fbdf25..019a009e73a0 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -4935,14 +4935,22 @@ int nfs4_init_session(struct nfs_server *server) { struct nfs_client *clp = server->nfs_client; struct nfs4_session *session; + unsigned int rsize, wsize; int ret; if (!nfs4_has_session(clp)) return 0; + rsize = server->rsize; + if (rsize == 0) + rsize = NFS_MAX_FILE_IO_SIZE; + wsize = server->wsize; + if (wsize == 0) + wsize = NFS_MAX_FILE_IO_SIZE; + session = clp->cl_session; - session->fc_attrs.max_rqst_sz = server->wsize + nfs41_maxwrite_overhead; - session->fc_attrs.max_resp_sz = server->rsize + nfs41_maxread_overhead; + session->fc_attrs.max_rqst_sz = wsize + nfs41_maxwrite_overhead; + session->fc_attrs.max_resp_sz = rsize + nfs41_maxread_overhead; ret = nfs4_recover_expired_lease(server); if (!ret) |