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authorMingming Cao <cmm@us.ibm.com>2008-01-28 23:58:27 -0500
committerTheodore Ts'o <tytso@mit.edu>2008-01-28 23:58:27 -0500
commitdb857da3369cd4eb6a28be1cce89d33162caa4a0 (patch)
tree08dcac7ef1db552a771df1a9dd12c13ca70224b0 /fs
parent77160957e29e9413f7420e85fca37a47d4ffac7f (diff)
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 <arjan@linux.intel.com> Cc: Andrew Morton <akpm@osdl.org> Signed-off-by: Mingming Cao <cmm@us.ibm.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'fs')
-rw-r--r--fs/jbd2/transaction.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/jbd2/transaction.c b/fs/jbd2/transaction.c
index 70b3199e69d..0c8adaba0c0 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);