96 	struct buffer_head *bh = jh2bh(jh);  in __try_to_free_cp_buf()  local
98 	if (jh->b_jlist == BJ_None && !buffer_locked(bh) &&  in __try_to_free_cp_buf()
99 	    !buffer_dirty(bh) && !buffer_write_io_error(bh)) {  in __try_to_free_cp_buf()
104 		get_bh(bh);  in __try_to_free_cp_buf()
107 		jbd_unlock_bh_state(bh);  in __try_to_free_cp_buf()
108 		BUFFER_TRACE(bh, "release");  in __try_to_free_cp_buf()
109 		__brelse(bh);  in __try_to_free_cp_buf()
111 		jbd_unlock_bh_state(bh);  in __try_to_free_cp_buf()
186 static void jbd_sync_bh(journal_t *journal, struct buffer_head *bh)  in jbd_sync_bh()  argument
189 	get_bh(bh);  in jbd_sync_bh()
191 	jbd_lock_bh_state(bh);  in jbd_sync_bh()
192 	jbd_unlock_bh_state(bh);  in jbd_sync_bh()
193 	put_bh(bh);  in jbd_sync_bh()
210 	struct buffer_head *bh;  in __wait_cp_io()  local
223 		bh = jh2bh(jh);  in __wait_cp_io()
224 		if (!jbd_trylock_bh_state(bh)) {  in __wait_cp_io()
225 			jbd_sync_bh(journal, bh);  in __wait_cp_io()
229 		get_bh(bh);  in __wait_cp_io()
230 		if (buffer_locked(bh)) {  in __wait_cp_io()
232 			jbd_unlock_bh_state(bh);  in __wait_cp_io()
233 			wait_on_buffer(bh);  in __wait_cp_io()
235 			BUFFER_TRACE(bh, "brelse");  in __wait_cp_io()
236 			__brelse(bh);  in __wait_cp_io()
240 		if (unlikely(buffer_write_io_error(bh)))  in __wait_cp_io()
248 		jbd_unlock_bh_state(bh);  in __wait_cp_io()
249 		__brelse(bh);  in __wait_cp_io()
269 		struct buffer_head *bh = bhs[i];  in __flush_batch()  local
270 		clear_buffer_jwrite(bh);  in __flush_batch()
271 		BUFFER_TRACE(bh, "brelse");  in __flush_batch()
272 		__brelse(bh);  in __flush_batch()
290 	struct buffer_head *bh = jh2bh(jh);  in __process_buffer()  local
293 	if (buffer_locked(bh)) {  in __process_buffer()
294 		get_bh(bh);  in __process_buffer()
296 		jbd_unlock_bh_state(bh);  in __process_buffer()
297 		wait_on_buffer(bh);  in __process_buffer()
299 		BUFFER_TRACE(bh, "brelse");  in __process_buffer()
300 		__brelse(bh);  in __process_buffer()
307 		jbd_unlock_bh_state(bh);  in __process_buffer()
311 	} else if (!buffer_dirty(bh)) {  in __process_buffer()
313 		if (unlikely(buffer_write_io_error(bh)))  in __process_buffer()
315 		get_bh(bh);  in __process_buffer()
316 		J_ASSERT_JH(jh, !buffer_jbddirty(bh));  in __process_buffer()
317 		BUFFER_TRACE(bh, "remove from checkpoint");  in __process_buffer()
320 		jbd_unlock_bh_state(bh);  in __process_buffer()
321 		__brelse(bh);  in __process_buffer()
330 		BUFFER_TRACE(bh, "queue");  in __process_buffer()
331 		get_bh(bh);  in __process_buffer()
332 		J_ASSERT_BH(bh, !buffer_jwrite(bh));  in __process_buffer()
333 		set_buffer_jwrite(bh);  in __process_buffer()
334 		bhs[*batch_count] = bh;  in __process_buffer()
336 		jbd_unlock_bh_state(bh);  in __process_buffer()
398 			struct buffer_head *bh;  in log_do_checkpoint()  local
401 			bh = jh2bh(jh);  in log_do_checkpoint()
402 			if (!jbd_trylock_bh_state(bh)) {  in log_do_checkpoint()
403 				jbd_sync_bh(journal, bh);  in log_do_checkpoint()