127 	struct xfs_perag *pag = container_of(head, struct xfs_perag, rcu_head);  in __xfs_free_perag()  local
129 	ASSERT(atomic_read(&pag->pag_ref) == 0);  in __xfs_free_perag()
130 	kmem_free(pag);  in __xfs_free_perag()
141 	struct xfs_perag *pag;  in xfs_free_perag()  local
145 		pag = radix_tree_delete(&mp->m_perag_tree, agno);  in xfs_free_perag()
147 		ASSERT(pag);  in xfs_free_perag()
148 		ASSERT(atomic_read(&pag->pag_ref) == 0);  in xfs_free_perag()
149 		xfs_iunlink_destroy(pag);  in xfs_free_perag()
150 		xfs_buf_hash_destroy(pag);  in xfs_free_perag()
151 		call_rcu(&pag->rcu_head, __xfs_free_perag);  in xfs_free_perag()
181 	xfs_perag_t	*pag;  in xfs_initialize_perag()  local
190 		pag = xfs_perag_get(mp, index);  in xfs_initialize_perag()
191 		if (pag) {  in xfs_initialize_perag()
192 			xfs_perag_put(pag);  in xfs_initialize_perag()
196 		pag = kmem_zalloc(sizeof(*pag), KM_MAYFAIL);  in xfs_initialize_perag()
197 		if (!pag) {  in xfs_initialize_perag()
201 		pag->pag_agno = index;  in xfs_initialize_perag()
202 		pag->pag_mount = mp;  in xfs_initialize_perag()
203 		spin_lock_init(&pag->pag_ici_lock);  in xfs_initialize_perag()
204 		INIT_RADIX_TREE(&pag->pag_ici_root, GFP_ATOMIC);  in xfs_initialize_perag()
206 		error = xfs_buf_hash_init(pag);  in xfs_initialize_perag()
209 		init_waitqueue_head(&pag->pagb_wait);  in xfs_initialize_perag()
210 		spin_lock_init(&pag->pagb_lock);  in xfs_initialize_perag()
211 		pag->pagb_count = 0;  in xfs_initialize_perag()
212 		pag->pagb_tree = RB_ROOT;  in xfs_initialize_perag()
219 		if (radix_tree_insert(&mp->m_perag_tree, index, pag)) {  in xfs_initialize_perag()
231 		error = xfs_iunlink_init(pag);  in xfs_initialize_perag()
234 		spin_lock_init(&pag->pag_state_lock);  in xfs_initialize_perag()
246 	xfs_buf_hash_destroy(pag);  in xfs_initialize_perag()
248 	kmem_free(pag);  in xfs_initialize_perag()
252 		pag = radix_tree_delete(&mp->m_perag_tree, index);  in xfs_initialize_perag()
253 		if (!pag)  in xfs_initialize_perag()
255 		xfs_buf_hash_destroy(pag);  in xfs_initialize_perag()
256 		xfs_iunlink_destroy(pag);  in xfs_initialize_perag()
257 		kmem_free(pag);  in xfs_initialize_perag()