From 688a9024e2bc8d07cdc62e287dfb048722cf96df Mon Sep 17 00:00:00 2001 From: Trond Myklebust Date: Tue, 20 Nov 2012 10:53:39 -0500 Subject: [PATCH] NFSv4.1: Adjust CREATE_SESSION arguments when mounting a new filesystem If we're mounting a new filesystem, ensure that the session has negotiated large enough request and reply sizes to match the wsize and rsize mount arguments. Signed-off-by: Trond Myklebust --- fs/nfs/nfs4proc.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 3e572dc316e4..ee82cdddeebe 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -6037,9 +6037,22 @@ int nfs4_init_session(struct nfs_server *server) session->fc_attrs.max_rqst_sz = target_max_rqst_sz; session->fc_target_max_resp_sz = target_max_resp_sz; session->fc_attrs.max_resp_sz = target_max_resp_sz; + } else { + /* Just adjust the targets */ + if (target_max_rqst_sz > session->fc_target_max_rqst_sz) { + session->fc_target_max_rqst_sz = target_max_rqst_sz; + set_bit(NFS4CLNT_SESSION_RESET, &clp->cl_state); + } + if (target_max_resp_sz > session->fc_target_max_resp_sz) { + session->fc_target_max_resp_sz = target_max_resp_sz; + set_bit(NFS4CLNT_SESSION_RESET, &clp->cl_state); + } } spin_unlock(&clp->cl_lock); + if (test_bit(NFS4CLNT_SESSION_RESET, &clp->cl_state)) + nfs4_schedule_lease_recovery(clp); + return nfs41_check_session_ready(clp); }