822 	struct nfs4_lock_state *lsp;  in nfs4_alloc_lock_state()  local
825 	lsp = kzalloc(sizeof(*lsp), GFP_NOFS);  in nfs4_alloc_lock_state()
826 	if (lsp == NULL)  in nfs4_alloc_lock_state()
828 	nfs4_init_seqid_counter(&lsp->ls_seqid);  in nfs4_alloc_lock_state()
829 	atomic_set(&lsp->ls_count, 1);  in nfs4_alloc_lock_state()
830 	lsp->ls_state = state;  in nfs4_alloc_lock_state()
831 	lsp->ls_owner = fl_owner;  in nfs4_alloc_lock_state()
832 	lsp->ls_seqid.owner_id = ida_simple_get(&server->lockowner_id, 0, 0, GFP_NOFS);  in nfs4_alloc_lock_state()
833 	if (lsp->ls_seqid.owner_id < 0)  in nfs4_alloc_lock_state()
835 	INIT_LIST_HEAD(&lsp->ls_locks);  in nfs4_alloc_lock_state()
836 	return lsp;  in nfs4_alloc_lock_state()
838 	kfree(lsp);  in nfs4_alloc_lock_state()
842 void nfs4_free_lock_state(struct nfs_server *server, struct nfs4_lock_state *lsp)  in nfs4_free_lock_state()  argument
844 	ida_simple_remove(&server->lockowner_id, lsp->ls_seqid.owner_id);  in nfs4_free_lock_state()
845 	nfs4_destroy_seqid_counter(&lsp->ls_seqid);  in nfs4_free_lock_state()
846 	kfree(lsp);  in nfs4_free_lock_state()
856 	struct nfs4_lock_state *lsp, *new = NULL;  in nfs4_get_lock_state()  local
860 		lsp = __nfs4_find_lock_state(state, owner);  in nfs4_get_lock_state()
861 		if (lsp != NULL)  in nfs4_get_lock_state()
866 			lsp = new;  in nfs4_get_lock_state()
878 	return lsp;  in nfs4_get_lock_state()
885 void nfs4_put_lock_state(struct nfs4_lock_state *lsp)  in nfs4_put_lock_state()  argument
890 	if (lsp == NULL)  in nfs4_put_lock_state()
892 	state = lsp->ls_state;  in nfs4_put_lock_state()
893 	if (!atomic_dec_and_lock(&lsp->ls_count, &state->state_lock))  in nfs4_put_lock_state()
895 	list_del(&lsp->ls_locks);  in nfs4_put_lock_state()
900 	if (test_bit(NFS_LOCK_INITIALIZED, &lsp->ls_flags)) {  in nfs4_put_lock_state()
903 		clp->cl_mvops->free_lock_state(server, lsp);  in nfs4_put_lock_state()
905 		nfs4_free_lock_state(server, lsp);  in nfs4_put_lock_state()
910 	struct nfs4_lock_state *lsp = src->fl_u.nfs4_fl.owner;  in nfs4_fl_copy_lock()  local
912 	dst->fl_u.nfs4_fl.owner = lsp;  in nfs4_fl_copy_lock()
913 	atomic_inc(&lsp->ls_count);  in nfs4_fl_copy_lock()
928 	struct nfs4_lock_state *lsp;  in nfs4_set_lock_state()  local
932 	lsp = nfs4_get_lock_state(state, fl->fl_owner);  in nfs4_set_lock_state()
933 	if (lsp == NULL)  in nfs4_set_lock_state()
935 	fl->fl_u.nfs4_fl.owner = lsp;  in nfs4_set_lock_state()
944 	struct nfs4_lock_state *lsp;  in nfs4_copy_lock_stateid()  local
957 	lsp = __nfs4_find_lock_state(state, fl_owner);  in nfs4_copy_lock_stateid()
958 	if (lsp && test_bit(NFS_LOCK_LOST, &lsp->ls_flags))  in nfs4_copy_lock_stateid()
960 	else if (lsp != NULL && test_bit(NFS_LOCK_INITIALIZED, &lsp->ls_flags) != 0) {  in nfs4_copy_lock_stateid()
961 		nfs4_stateid_copy(dst, &lsp->ls_stateid);  in nfs4_copy_lock_stateid()
965 	nfs4_put_lock_state(lsp);  in nfs4_copy_lock_stateid()