From 68bf05efb7facbcf4a7b8d6b48a0800a90895511 Mon Sep 17 00:00:00 2001 From: Andy Adamson Date: Tue, 15 Dec 2009 12:55:02 -0500 Subject: 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 Signed-off-by: Trond Myklebust --- fs/nfs/nfs4proc.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) (limited to 'fs/nfs') diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index bd4555f..019a009 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) -- cgit v1.1