From: Andreas Dilger Date: Thu, 30 Jul 2009 18:09:46 +0000 (+0200) Subject: JBD: round commit timer up to avoid uncommitted transaction X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=b449fc6fcc07a392c69f3c1db9a4ad4dda8cbcba;p=GitHub%2Fmt8127%2Fandroid_kernel_alcatel_ttab.git JBD: round commit timer up to avoid uncommitted transaction Fix jiffie rounding in jbd commit timer setup code. Rounding down could cause the timer to be fired before the corresponding transaction has expired. That transaction can stay not committed forever if no new transaction is created or explicit sync/umount happens. Signed-off-by: Andreas Dilger Signed-off-by: Jan Kara --- diff --git a/fs/jbd/transaction.c b/fs/jbd/transaction.c index c03ac11f74be..833c1675a00c 100644 --- a/fs/jbd/transaction.c +++ b/fs/jbd/transaction.c @@ -56,7 +56,8 @@ get_transaction(journal_t *journal, transaction_t *transaction) spin_lock_init(&transaction->t_handle_lock); /* Set up the commit timer for the new transaction. */ - journal->j_commit_timer.expires = round_jiffies(transaction->t_expires); + journal->j_commit_timer.expires = + round_jiffies_up(transaction->t_expires); add_timer(&journal->j_commit_timer); J_ASSERT(journal->j_running_transaction == NULL);