Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=db857da3369cd4eb6a28be1cce89d33162caa4a0
Commit: db857da3369cd4eb6a28be1cce89d33162caa4a0
Parent: 77160957e29e9413f7420e85fca37a47d4ffac7f
Author: Mingming Cao <[EMAIL PROTECTED]>
AuthorDate: Mon Jan 28 23:58:27 2008 -0500
Committer: Theodore Ts'o <[EMAIL PROTECTED]>
CommitDate: Mon Jan 28 23:58:27 2008 -0500
jbd2: Use round-jiffies() function for the "5 second" ext4/jbd2 wakeup
While "every 5 seconds" doesn't sound as a problem, there can be many
of these (and these timers do add up over all the kernel). The "5
second" wakeup isn't really timing sensitive; in addition even with
rounding it'll still happen every 5 seconds (with the exception of the
very first time, which is likely to be rounded up to somewhere closer
to 6 seconds)
(Ported from similar JBD patch made by Arjan van de Ven to
fs/jbd/transaction.c)
Cc: Arjan van de Ven <[EMAIL PROTECTED]>
Cc: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Mingming Cao <[EMAIL PROTECTED]>
Signed-off-by: "Theodore Ts'o" <[EMAIL PROTECTED]>
---
fs/jbd2/transaction.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/fs/jbd2/transaction.c b/fs/jbd2/transaction.c
index 70b3199..0c8adab 100644
--- a/fs/jbd2/transaction.c
+++ b/fs/jbd2/transaction.c
@@ -54,7 +54,7 @@ jbd2_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 = transaction->t_expires;
+ journal->j_commit_timer.expires = round_jiffies(transaction->t_expires);
add_timer(&journal->j_commit_timer);
J_ASSERT(journal->j_running_transaction == NULL);
-
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