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NFSv4.1: Adjust CREATE_SESSION arguments when mounting a new filesystem

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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 <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust 2012-11-20 10:53:39 -05:00
parent ae72ae6760
commit 688a9024e2
1 changed files with 13 additions and 0 deletions
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13
fs/nfs/nfs4proc.c
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@ -6037,9 +6037,22 @@ int nfs4_init_session(struct nfs_server *server)
session->fc_attrs.max_rqst_sz = target_max_rqst_sz; session->fc_attrs.max_rqst_sz = target_max_rqst_sz;
session->fc_target_max_resp_sz = target_max_resp_sz; session->fc_target_max_resp_sz = target_max_resp_sz;
session->fc_attrs.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); 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); return nfs41_check_session_ready(clp);
} }