26 	struct fscache_cookie *cookie = fscache_cres_cookie(cres);  in fscache_wait_for_operation()  local
30 	if (!fscache_cache_is_live(cookie->volume->cache)) {  in fscache_wait_for_operation()
35 	state = fscache_cookie_state(cookie);  in fscache_wait_for_operation()
36 	_enter("c=%08x{%u},%x", cookie->debug_id, state, want_state);  in fscache_wait_for_operation()
46 		wait_var_event(&cookie->state,  in fscache_wait_for_operation()
47 			       fscache_cookie_state(cookie) != state);  in fscache_wait_for_operation()
61 		return cookie->volume->cache->ops->begin_operation(cres, want_state);  in fscache_wait_for_operation()
72 				   struct fscache_cookie *cookie,  in fscache_begin_operation()  argument
81 	cres->cache_priv	= cookie;  in fscache_begin_operation()
83 	cres->debug_id		= cookie->debug_id;  in fscache_begin_operation()
84 	cres->inval_counter	= cookie->inval_counter;  in fscache_begin_operation()
86 	if (!fscache_begin_cookie_access(cookie, why)) {  in fscache_begin_operation()
92 	spin_lock(&cookie->lock);  in fscache_begin_operation()
94 	state = fscache_cookie_state(cookie);  in fscache_begin_operation()
95 	_enter("c=%08x{%u},%x", cookie->debug_id, state, want_state);  in fscache_begin_operation()
110 		WARN(1, "Can't use cookie in state %u\n", cookie->state);  in fscache_begin_operation()
117 	spin_unlock(&cookie->lock);  in fscache_begin_operation()
118 	if (!cookie->volume->cache->ops->begin_operation(cres, want_state))  in fscache_begin_operation()
123 	spin_unlock(&cookie->lock);  in fscache_begin_operation()
124 	trace_fscache_access(cookie->debug_id, refcount_read(&cookie->ref),  in fscache_begin_operation()
125 			     atomic_read(&cookie->n_accesses),  in fscache_begin_operation()
127 	timeo = wait_var_event_timeout(&cookie->state,  in fscache_begin_operation()
128 				       fscache_cookie_state(cookie) != state, 20 * HZ);  in fscache_begin_operation()
131 			__func__, fscache_cookie_state(cookie), state);  in fscache_begin_operation()
132 		fscache_print_cookie(cookie, 'O');  in fscache_begin_operation()
138 	spin_unlock(&cookie->lock);  in fscache_begin_operation()
142 	fscache_end_cookie_access(cookie, fscache_access_io_not_live);  in fscache_begin_operation()
148 				   struct fscache_cookie *cookie)  in __fscache_begin_read_operation()  argument
150 	return fscache_begin_operation(cres, cookie, FSCACHE_WANT_PARAMS,  in __fscache_begin_read_operation()
156 				    struct fscache_cookie *cookie)  in __fscache_begin_write_operation()  argument
158 	return fscache_begin_operation(cres, cookie, FSCACHE_WANT_PARAMS,  in __fscache_begin_write_operation()
212 void __fscache_write_to_cache(struct fscache_cookie *cookie,  in __fscache_write_to_cache()  argument
241 	if (fscache_begin_operation(cres, cookie, FSCACHE_WANT_WRITE,  in __fscache_write_to_cache()
273 void __fscache_resize_cookie(struct fscache_cookie *cookie, loff_t new_size)  in __fscache_resize_cookie()  argument
277 	trace_fscache_resize(cookie, new_size);  in __fscache_resize_cookie()
278 	if (fscache_begin_operation(&cres, cookie, FSCACHE_WANT_WRITE,  in __fscache_resize_cookie()
281 		set_bit(FSCACHE_COOKIE_NEEDS_UPDATE, &cookie->flags);  in __fscache_resize_cookie()
287 		cookie->volume->cache->ops->resize_cookie(&cres, new_size);  in __fscache_resize_cookie()