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NFSv4: Set the connection timeout to match the lease period

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Set the timeout for TCP connections to be 1 lease period to ensure
that we don't lose our lease due to a faulty TCP connection.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Trond Myklebust 2017-02-08 11:17:55 -05:00 • committed by Anna Schumaker
parent 7196dbb02e
commit 26ae102f2c
3 changed files with 10 additions and 7 deletions
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2
fs/nfs/nfs4renewd.c
View file

@ -153,7 +153,7 @@ void nfs4_set_lease_period(struct nfs_client *clp,
spin_unlock(&clp->cl_lock); spin_unlock(&clp->cl_lock);
/* Cap maximum reconnect timeout at 1/2 lease period */ /* Cap maximum reconnect timeout at 1/2 lease period */
rpc_cap_max_reconnect_timeout(clp->cl_rpcclient, lease >> 1); rpc_set_connect_timeout(clp->cl_rpcclient, lease, lease >> 1);
} }
/* /*

5
include/linux/sunrpc/clnt.h
View file

@ -201,8 +201,9 @@ int rpc_clnt_add_xprt(struct rpc_clnt *, struct xprt_create *,
struct rpc_xprt *, struct rpc_xprt *,
void *), void *),
void *data); void *data);
void rpc_cap_max_reconnect_timeout(struct rpc_clnt *clnt, void rpc_set_connect_timeout(struct rpc_clnt *clnt,
unsigned long timeo); unsigned long connect_timeout,
unsigned long reconnect_timeout);
int rpc_clnt_setup_test_and_add_xprt(struct rpc_clnt *, int rpc_clnt_setup_test_and_add_xprt(struct rpc_clnt *,
struct rpc_xprt_switch *, struct rpc_xprt_switch *,

10
net/sunrpc/clnt.c
View file

@ -2747,17 +2747,19 @@ rpc_xprt_set_connect_timeout(struct rpc_clnt *clnt,
} }
void void
rpc_cap_max_reconnect_timeout(struct rpc_clnt *clnt, unsigned long timeo) rpc_set_connect_timeout(struct rpc_clnt *clnt,
unsigned long connect_timeout,
unsigned long reconnect_timeout)
{ {
struct connect_timeout_data timeout = { struct connect_timeout_data timeout = {
.connect_timeout = timeo, .connect_timeout = connect_timeout,
.reconnect_timeout = timeo, .reconnect_timeout = reconnect_timeout,
}; };
rpc_clnt_iterate_for_each_xprt(clnt, rpc_clnt_iterate_for_each_xprt(clnt,
rpc_xprt_set_connect_timeout, rpc_xprt_set_connect_timeout,
&timeout); &timeout);
} }
EXPORT_SYMBOL_GPL(rpc_cap_max_reconnect_timeout); EXPORT_SYMBOL_GPL(rpc_set_connect_timeout);
void rpc_clnt_xprt_switch_put(struct rpc_clnt *clnt) void rpc_clnt_xprt_switch_put(struct rpc_clnt *clnt)
{ {