NFSv4: Clean up struct nfs4_state_owner
The 'so_delegations' list appears to be unused.
Also eliminate so_client. If we already have so_server, we can get to the
nfs_client structure.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h
index a986f13..cee8714 100644
--- a/fs/nfs/nfs4_fs.h
+++ b/fs/nfs/nfs4_fs.h
@@ -108,7 +108,6 @@
*/
struct nfs4_state_owner {
struct nfs_unique_id so_owner_id;
- struct nfs_client *so_client;
struct nfs_server *so_server;
struct rb_node so_client_node;
@@ -118,7 +117,6 @@
atomic_t so_count;
unsigned long so_flags;
struct list_head so_states;
- struct list_head so_delegations;
struct nfs_seqid_counter so_seqid;
struct rpc_sequence so_sequence;
};
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 243d6c7..de9ff15 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -1350,7 +1350,7 @@
}
/* Update sequence id. */
data->o_arg.id = sp->so_owner_id.id;
- data->o_arg.clientid = sp->so_client->cl_clientid;
+ data->o_arg.clientid = sp->so_server->nfs_client->cl_clientid;
if (data->o_arg.claim == NFS4_OPEN_CLAIM_PREVIOUS) {
task->tk_msg.rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_OPEN_NOATTR];
nfs_copy_fh(&data->o_res.fh, data->o_arg.fh);
diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index c3c6b8a..13e17e3 100644
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -373,7 +373,6 @@
return NULL;
spin_lock_init(&sp->so_lock);
INIT_LIST_HEAD(&sp->so_states);
- INIT_LIST_HEAD(&sp->so_delegations);
rpc_init_wait_queue(&sp->so_sequence.wait, "Seqid_waitqueue");
sp->so_seqid.sequence = &sp->so_sequence;
spin_lock_init(&sp->so_sequence.lock);
@@ -386,7 +385,7 @@
nfs4_drop_state_owner(struct nfs4_state_owner *sp)
{
if (!RB_EMPTY_NODE(&sp->so_client_node)) {
- struct nfs_client *clp = sp->so_client;
+ struct nfs_client *clp = sp->so_server->nfs_client;
spin_lock(&clp->cl_lock);
rb_erase(&sp->so_client_node, &clp->cl_state_owners);
@@ -408,7 +407,6 @@
new = nfs4_alloc_state_owner();
if (new == NULL)
return NULL;
- new->so_client = clp;
new->so_server = server;
new->so_cred = cred;
spin_lock(&clp->cl_lock);
@@ -425,7 +423,7 @@
void nfs4_put_state_owner(struct nfs4_state_owner *sp)
{
- struct nfs_client *clp = sp->so_client;
+ struct nfs_client *clp = sp->so_server->nfs_client;
struct rpc_cred *cred = sp->so_cred;
if (!atomic_dec_and_lock(&sp->so_count, &clp->cl_lock))
@@ -624,7 +622,7 @@
static struct nfs4_lock_state *nfs4_alloc_lock_state(struct nfs4_state *state, fl_owner_t fl_owner)
{
struct nfs4_lock_state *lsp;
- struct nfs_client *clp = state->owner->so_client;
+ struct nfs_client *clp = state->owner->so_server->nfs_client;
lsp = kzalloc(sizeof(*lsp), GFP_NOFS);
if (lsp == NULL)
@@ -645,7 +643,7 @@
static void nfs4_free_lock_state(struct nfs4_lock_state *lsp)
{
- struct nfs_client *clp = lsp->ls_state->owner->so_client;
+ struct nfs_client *clp = lsp->ls_state->owner->so_server->nfs_client;
spin_lock(&clp->cl_lock);
nfs_free_unique_id(&clp->cl_lockowner_id, &lsp->ls_id);
@@ -1043,11 +1041,11 @@
case -NFS4ERR_BAD_STATEID:
case -NFS4ERR_RECLAIM_BAD:
case -NFS4ERR_RECLAIM_CONFLICT:
- nfs4_state_mark_reclaim_nograce(sp->so_client, state);
+ nfs4_state_mark_reclaim_nograce(sp->so_server->nfs_client, state);
break;
case -NFS4ERR_EXPIRED:
case -NFS4ERR_NO_GRACE:
- nfs4_state_mark_reclaim_nograce(sp->so_client, state);
+ nfs4_state_mark_reclaim_nograce(sp->so_server->nfs_client, state);
case -NFS4ERR_STALE_CLIENTID:
case -NFS4ERR_BADSESSION:
case -NFS4ERR_BADSLOT: