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Commit f29fad72 authored by Jan Kara's avatar Jan Kara Committed by Theodore Ts'o
Browse files

jbd2: remove unused waitqueues 



j_wait_logspace and j_wait_checkpoint are unused.  Remove them.

Reviewed-by: default avatarZheng Liu <wenqing.lz@taobao.com>
Signed-off-by: default avatarJan Kara <jack@suse.cz>
Signed-off-by: default avatar"Theodore Ts'o" <tytso@mit.edu>
parent fe1e8db5

fs/jbd2/checkpoint.c

+0 −4
Original line number Diff line number Diff line
@@ -625,10 +625,6 @@ int __jbd2_journal_remove_checkpoint(struct journal_head *jh) 


	__jbd2_journal_drop_transaction(journal, transaction);

	jbd2_journal_free_transaction(transaction);



	/* Just in case anybody was waiting for more transactions to be

           checkpointed... */

	wake_up(&journal->j_wait_logspace);

	ret = 1;

out:

	return ret;

fs/jbd2/journal.c

+0 −2
Original line number Diff line number Diff line
@@ -1027,9 +1027,7 @@ static journal_t * journal_init_common (void) 
		return NULL;



	init_waitqueue_head(&journal->j_wait_transaction_locked);

	init_waitqueue_head(&journal->j_wait_logspace);

	init_waitqueue_head(&journal->j_wait_done_commit);

	init_waitqueue_head(&journal->j_wait_checkpoint);

	init_waitqueue_head(&journal->j_wait_commit);

	init_waitqueue_head(&journal->j_wait_updates);

	mutex_init(&journal->j_barrier);

include/linux/jbd2.h

+0 −8
Original line number Diff line number Diff line
@@ -687,9 +687,7 @@ jbd2_time_diff(unsigned long start, unsigned long end) 
 *  waiting for checkpointing

 * @j_wait_transaction_locked: Wait queue for waiting for a locked transaction

 *  to start committing, or for a barrier lock to be released

 * @j_wait_logspace: Wait queue for waiting for checkpointing to complete

 * @j_wait_done_commit: Wait queue for waiting for commit to complete

 * @j_wait_checkpoint:  Wait queue to trigger checkpointing

 * @j_wait_commit: Wait queue to trigger commit

 * @j_wait_updates: Wait queue to wait for updates to complete

 * @j_checkpoint_mutex: Mutex for locking against concurrent checkpoints
@@ -794,15 +792,9 @@ struct journal_s 
	 */

	wait_queue_head_t	j_wait_transaction_locked;



	/* Wait queue for waiting for checkpointing to complete */

	wait_queue_head_t	j_wait_logspace;



	/* Wait queue for waiting for commit to complete */

	wait_queue_head_t	j_wait_done_commit;



	/* Wait queue to trigger checkpointing */

	wait_queue_head_t	j_wait_checkpoint;



	/* Wait queue to trigger commit */

	wait_queue_head_t	j_wait_commit;