NFS: search for client session id in proper network namespace

Network namespace is taken from request transport and passed as a part of
cb_process_state structure.

Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

diff --git a/fs/nfs/callback.h b/fs/nfs/callback.h
index c89d3b9..197e0d3 100644 (file)
--- a/fs/nfs/callback.h
+++ b/fs/nfs/callback.h
@@ -39,6 +39,7 @@ struct cb_process_state {
        __be32                  drc_status;
        struct nfs_client       *clp;
        int                     slotid;
+       struct net              *net;
 };
 
 struct cb_compound_hdr_arg {

diff --git a/fs/nfs/callback_proc.c b/fs/nfs/callback_proc.c
index 0e6e63f..f71978d 100644 (file)
--- a/fs/nfs/callback_proc.c
+++ b/fs/nfs/callback_proc.c
@@ -461,7 +461,7 @@ __be32 nfs4_callback_sequence(struct cb_sequenceargs *args,
        int i;
        __be32 status = htonl(NFS4ERR_BADSESSION);
 
-       clp = nfs4_find_client_sessionid(args->csa_addr, &args->csa_sessionid);
+       clp = nfs4_find_client_sessionid(cps->net, args->csa_addr, &args->csa_sessionid);
        if (clp == NULL)
                goto out;
 

diff --git a/fs/nfs/callback_xdr.c b/fs/nfs/callback_xdr.c
index e14af46..2e37224 100644 (file)
--- a/fs/nfs/callback_xdr.c
+++ b/fs/nfs/callback_xdr.c
@@ -861,6 +861,7 @@ static __be32 nfs4_callback_compound(struct svc_rqst *rqstp, void *argp, void *r
                .drc_status = 0,
                .clp = NULL,
                .slotid = -1,
+               .net = rqstp->rq_xprt->xpt_net,
        };
        unsigned int nops = 0;
 

diff --git a/fs/nfs/client.c b/fs/nfs/client.c
index 9e11d29..2328dcb 100644 (file)
--- a/fs/nfs/client.c
+++ b/fs/nfs/client.c
@@ -1232,11 +1232,11 @@ nfs4_find_client_ident(struct net *net, int cb_ident)
  * Returns NULL if no such client
  */
 struct nfs_client *
-nfs4_find_client_sessionid(const struct sockaddr *addr,
+nfs4_find_client_sessionid(struct net *net, const struct sockaddr *addr,
                           struct nfs4_sessionid *sid)
 {
        struct nfs_client *clp;
-       struct nfs_net *nn = net_generic(&init_net, nfs_net_id);
+       struct nfs_net *nn = net_generic(net, nfs_net_id);
 
        spin_lock(&nn->nfs_client_lock);
        list_for_each_entry(clp, &nn->nfs_client_list, cl_share_link) {

diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index b38b733..0c3648a 100644 (file)
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -152,7 +152,8 @@ extern void nfs_cleanup_cb_ident_idr(struct net *);
 extern void nfs_put_client(struct nfs_client *);
 extern struct nfs_client *nfs4_find_client_ident(struct net *, int);
 extern struct nfs_client *
-nfs4_find_client_sessionid(const struct sockaddr *, struct nfs4_sessionid *);
+nfs4_find_client_sessionid(struct net *, const struct sockaddr *,
+                               struct nfs4_sessionid *);
 extern struct nfs_server *nfs_create_server(
                                        const struct nfs_parsed_mount_data *,
                                        struct nfs_fh *);