nfsd: add nfsd/clients directory
I plan to expose some information about nfsv4 clients here.
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index de68c3c..7d8d1fc 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -1881,20 +1881,19 @@ static struct nfs4_client *alloc_client(struct xdr_netobj name)
static void __free_client(struct kref *k)
{
- struct nfs4_client *clp = container_of(k, struct nfs4_client, cl_ref);
+ struct nfsdfs_client *c = container_of(k, struct nfsdfs_client, cl_ref);
+ struct nfs4_client *clp = container_of(c, struct nfs4_client, cl_nfsdfs);
free_svc_cred(&clp->cl_cred);
kfree(clp->cl_ownerstr_hashtbl);
kfree(clp->cl_name.data);
idr_destroy(&clp->cl_stateids);
- if (clp->cl_nfsd_dentry)
- nfsd_client_rmdir(clp->cl_nfsd_dentry);
kmem_cache_free(client_slab, clp);
}
void drop_client(struct nfs4_client *clp)
{
- kref_put(&clp->cl_ref, __free_client);
+ kref_put(&clp->cl_nfsdfs.cl_ref, __free_client);
}
static void
@@ -1909,6 +1908,8 @@ free_client(struct nfs4_client *clp)
free_session(ses);
}
rpc_destroy_wait_queue(&clp->cl_cb_waitq);
+ if (clp->cl_nfsd_dentry)
+ nfsd_client_rmdir(clp->cl_nfsd_dentry);
drop_client(clp);
}
@@ -2220,6 +2221,7 @@ static struct nfs4_client *create_client(struct xdr_netobj name,
struct sockaddr *sa = svc_addr(rqstp);
int ret;
struct net *net = SVC_NET(rqstp);
+ struct nfsd_net *nn = net_generic(net, nfsd_net_id);
clp = alloc_client(name);
if (clp == NULL)
@@ -2230,8 +2232,8 @@ static struct nfs4_client *create_client(struct xdr_netobj name,
free_client(clp);
return NULL;
}
-
- kref_init(&clp->cl_ref);
+ gen_clid(clp, nn);
+ kref_init(&clp->cl_nfsdfs.cl_ref);
nfsd4_init_cb(&clp->cl_cb_null, clp, NULL, NFSPROC4_CLNT_CB_NULL);
clp->cl_time = get_seconds();
clear_bit(0, &clp->cl_cb_slot_busy);
@@ -2239,6 +2241,12 @@ static struct nfs4_client *create_client(struct xdr_netobj name,
rpc_copy_addr((struct sockaddr *) &clp->cl_addr, sa);
clp->cl_cb_session = NULL;
clp->net = net;
+ clp->cl_nfsd_dentry = nfsd_client_mkdir(nn, &clp->cl_nfsdfs,
+ clp->cl_clientid.cl_id);
+ if (!clp->cl_nfsd_dentry) {
+ free_client(clp);
+ return NULL;
+ }
return clp;
}
@@ -2683,7 +2691,6 @@ nfsd4_exchange_id(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
new->cl_spo_must_allow.u.words[0] = exid->spo_must_allow[0];
new->cl_spo_must_allow.u.words[1] = exid->spo_must_allow[1];
- gen_clid(new, nn);
add_to_unconfirmed(new);
swap(new, conf);
out_copy:
@@ -3427,7 +3434,7 @@ nfsd4_setclientid(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
copy_clid(new, conf);
gen_confirm(new, nn);
} else /* case 4 (new client) or cases 2, 3 (client reboot): */
- gen_clid(new, nn);
+ ;
new->cl_minorversion = 0;
gen_callback(new, setclid, rqstp);
add_to_unconfirmed(new);
