NFS: Ensure that we respect NFS_MAX_TCP_TIMEOUT

It isn't sufficient just to limit timeout->to_initval, we also need to
limit to_maxval.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust 2007-12-20 16:03:57 -05:00
parent ba7392bb37
commit 7a3e3e18e4

View File

@ -387,12 +387,16 @@ static void nfs_init_timeout_values(struct rpc_timeout *to, int proto,
switch (proto) {
case XPRT_TRANSPORT_TCP:
case XPRT_TRANSPORT_RDMA:
if (!to->to_initval)
if (to->to_initval == 0)
to->to_initval = 60 * HZ;
if (to->to_initval > NFS_MAX_TCP_TIMEOUT)
to->to_initval = NFS_MAX_TCP_TIMEOUT;
to->to_increment = to->to_initval;
to->to_maxval = to->to_initval + (to->to_increment * to->to_retries);
if (to->to_maxval > NFS_MAX_TCP_TIMEOUT)
to->to_maxval = NFS_MAX_TCP_TIMEOUT;
if (to->to_maxval < to->to_initval)
to->to_maxval = to->to_initval;
to->to_exponential = 0;
break;
case XPRT_TRANSPORT_UDP: