diff options
Diffstat (limited to 'fs/jbd2/journal.c')
| -rw-r--r-- | fs/jbd2/journal.c | 26 |
1 files changed, 21 insertions, 5 deletions
diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c index 7d5ef3bf3f3e..67546c7ad473 100644 --- a/fs/jbd2/journal.c +++ b/fs/jbd2/journal.c @@ -165,11 +165,11 @@ static void jbd2_superblock_csum_set(journal_t *j, journal_superblock_t *sb) * Helper function used to manage commit timeouts */ -static void commit_timeout(unsigned long __data) +static void commit_timeout(struct timer_list *t) { - struct task_struct * p = (struct task_struct *) __data; + journal_t *journal = from_timer(journal, t, j_commit_timer); - wake_up_process(p); + wake_up_process(journal->j_task); } /* @@ -197,8 +197,7 @@ static int kjournald2(void *arg) * Set up an interval timer which can be used to trigger a commit wakeup * after the commit interval expires */ - setup_timer(&journal->j_commit_timer, commit_timeout, - (unsigned long)current); + timer_setup(&journal->j_commit_timer, commit_timeout, 0); set_freezable(); @@ -738,6 +737,23 @@ int jbd2_log_wait_commit(journal_t *journal, tid_t tid) return err; } +/* Return 1 when transaction with given tid has already committed. */ +int jbd2_transaction_committed(journal_t *journal, tid_t tid) +{ + int ret = 1; + + read_lock(&journal->j_state_lock); + if (journal->j_running_transaction && + journal->j_running_transaction->t_tid == tid) + ret = 0; + if (journal->j_committing_transaction && + journal->j_committing_transaction->t_tid == tid) + ret = 0; + read_unlock(&journal->j_state_lock); + return ret; +} +EXPORT_SYMBOL(jbd2_transaction_committed); + /* * When this function returns the transaction corresponding to tid * will be completed. If the transaction has currently running, start |