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authorTrond Myklebust <Trond.Myklebust@netapp.com>2006-01-03 11:55:25 +0300
committerTrond Myklebust <Trond.Myklebust@netapp.com>2006-01-06 22:58:47 +0300
commitb4454fe1a7cb76a248d0641c9d68a44a1b8d9a1f (patch)
tree50ddc265e9700b1924e45ffce0f4583ba1013177 /fs/nfs/nfs4renewd.c
parent58d9714a44a79bba9b414da3ffbf3c753dc5915f (diff)
downloadlinux-b4454fe1a7cb76a248d0641c9d68a44a1b8d9a1f.tar.xz
NFSv4: Remove requirement for machine creds for the "renew" operation
In RFC3530, the RENEW operation is allowed to use either the same principal, RPC security flavour and (if RPCSEC_GSS), the same mechanism and service that was used for SETCLIENTID_CONFIRM OR Any principal, RPC security flavour and service combination that currently has an OPEN file on the server. Choose the latter since that doesn't require us to keep credentials for the same principal for the entire duration of the mount. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/nfs4renewd.c')
-rw-r--r--fs/nfs/nfs4renewd.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/fs/nfs/nfs4renewd.c b/fs/nfs/nfs4renewd.c
index f62c2f7a4ffb..5d764d8e6d8a 100644
--- a/fs/nfs/nfs4renewd.c
+++ b/fs/nfs/nfs4renewd.c
@@ -62,6 +62,7 @@ void
nfs4_renew_state(void *data)
{
struct nfs4_client *clp = (struct nfs4_client *)data;
+ struct rpc_cred *cred;
long lease, timeout;
unsigned long last, now;
@@ -77,7 +78,8 @@ nfs4_renew_state(void *data)
timeout = (2 * lease) / 3 + (long)last - (long)now;
/* Are we close to a lease timeout? */
if (time_after(now, last + lease/3)) {
- if (list_empty(&clp->cl_state_owners)) {
+ cred = nfs4_get_renew_cred(clp);
+ if (cred == NULL) {
set_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state);
spin_unlock(&clp->cl_lock);
nfs_expire_all_delegations(clp);
@@ -85,7 +87,8 @@ nfs4_renew_state(void *data)
}
spin_unlock(&clp->cl_lock);
/* Queue an asynchronous RENEW. */
- nfs4_proc_async_renew(clp);
+ nfs4_proc_async_renew(clp, cred);
+ put_rpccred(cred);
timeout = (2 * lease) / 3;
spin_lock(&clp->cl_lock);
} else