82 void afs_clear_permits(struct afs_vnode *vnode)  in afs_clear_permits()  argument
86 	spin_lock(&vnode->lock);  in afs_clear_permits()
87 	permits = rcu_dereference_protected(vnode->permit_cache,  in afs_clear_permits()
88 					    lockdep_is_held(&vnode->lock));  in afs_clear_permits()
89 	RCU_INIT_POINTER(vnode->permit_cache, NULL);  in afs_clear_permits()
90 	vnode->cb_break++;  in afs_clear_permits()
91 	spin_unlock(&vnode->lock);  in afs_clear_permits()
120 void afs_cache_permit(struct afs_vnode *vnode, struct key *key,  in afs_cache_permit()  argument
124 	afs_access_t caller_access = READ_ONCE(vnode->status.caller_access);  in afs_cache_permit()
130 	       vnode->fid.vid, vnode->fid.vnode, key_serial(key), caller_access);  in afs_cache_permit()
137 	permits = rcu_dereference(vnode->permit_cache);  in afs_cache_permit()
150 				if (cb_break != afs_cb_break_sum(vnode, vnode->cb_interest)) {  in afs_cache_permit()
168 			spin_lock(&vnode->lock);  in afs_cache_permit()
169 			if (permits != rcu_access_pointer(vnode->permit_cache))  in afs_cache_permit()
171 			RCU_INIT_POINTER(vnode->permit_cache, NULL);  in afs_cache_permit()
172 			spin_unlock(&vnode->lock);  in afs_cache_permit()
180 	if (cb_break != afs_cb_break_sum(vnode, vnode->cb_interest))  in afs_cache_permit()
257 	spin_lock(&vnode->lock);  in afs_cache_permit()
258 	zap = rcu_access_pointer(vnode->permit_cache);  in afs_cache_permit()
259 	if (cb_break == afs_cb_break_sum(vnode, vnode->cb_interest) &&  in afs_cache_permit()
261 		rcu_assign_pointer(vnode->permit_cache, replacement);  in afs_cache_permit()
264 	spin_unlock(&vnode->lock);  in afs_cache_permit()
271 	spin_unlock(&vnode->lock);  in afs_cache_permit()
285 int afs_check_permit(struct afs_vnode *vnode, struct key *key,  in afs_check_permit()  argument
293 	       vnode->fid.vid, vnode->fid.vnode, key_serial(key));  in afs_check_permit()
296 	if (key == vnode->volume->cell->anonymous_key) {  in afs_check_permit()
298 		*_access = vnode->status.anon_access;  in afs_check_permit()
302 		permits = rcu_dereference(vnode->permit_cache);  in afs_check_permit()
324 		ret = afs_fetch_status(vnode, key, false);  in afs_check_permit()
330 		*_access = vnode->status.caller_access;  in afs_check_permit()
344 	struct afs_vnode *vnode = AFS_FS_I(inode);  in afs_permission()  local
353 	       vnode->fid.vid, vnode->fid.vnode, vnode->flags, mask);  in afs_permission()
355 	key = afs_request_key(vnode->volume->cell);  in afs_permission()
361 	ret = afs_validate(vnode, key);  in afs_permission()
366 	ret = afs_check_permit(vnode, key, &access);  in afs_permission()