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Commit 1f0e890d authored by Trond Myklebust's avatar Trond Myklebust
Browse files

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: default avatarTrond Myklebust <Trond.Myklebust@netapp.com>
parent 1055d76d
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+0 −2
Original line number Diff line number Diff line
@@ -108,7 +108,6 @@ struct nfs_unique_id {
 */
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 @@ struct nfs4_state_owner {
	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;
};
+1 −1
Original line number Diff line number Diff line
@@ -1350,7 +1350,7 @@ static void nfs4_open_prepare(struct rpc_task *task, void *calldata)
	}
	/* 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);
+6 −8
Original line number Diff line number Diff line
@@ -373,7 +373,6 @@ nfs4_alloc_state_owner(void)
		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 @@ static void
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 @@ struct nfs4_state_owner *nfs4_get_state_owner(struct nfs_server *server, struct
	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 @@ struct nfs4_state_owner *nfs4_get_state_owner(struct nfs_server *server, struct

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 @@ __nfs4_find_lock_state(struct nfs4_state *state, fl_owner_t fl_owner)
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 struct nfs4_lock_state *nfs4_alloc_lock_state(struct nfs4_state *state, f

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 @@ static int nfs4_reclaim_open_state(struct nfs4_state_owner *sp, const struct nfs
			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: