Message ID | 20090727202209.GU4231@webber.adilger.int |
---|---|
State | New, archived |
Headers | show |
> jbd and jbd2 fixes: 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 expicit sync/umount happens. > > Signed-off-by: Alex Zhuravlev (Tomas) <alex.zhuravlev@sun.com> > Signed-off-by: Andreas Dilger <adilger@sun.com> Looks fine. You can add: Acked-by: Jan Kara <jack@suse.cz> How about a similar JBD fix? Honza > Index: linux-2.6.27.21-0.1/fs/jbd2/transaction.c > =================================================================== > --- linux-2.6.27.21-0.1.orig/fs/jbd2/transaction.c 2009-06-10 11:11:41.000000000 -0600 > +++ linux-2.6.27.21-0.1/fs/jbd2/transaction.c 2009-06-10 11:12:32.000000000 -0600 > @@ -54,7 +54,7 @@ > INIT_LIST_HEAD(&transaction->t_inode_list); > > /* 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); > > Cheers, Andreas > -- > Andreas Dilger > Sr. Staff Engineer, Lustre Group > Sun Microsystems of Canada, Inc. > > -- > To unsubscribe from this list: send the line "unsubscribe linux-ext4" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html
On Mon, Jul 27, 2009 at 02:22:09PM -0600, Andreas Dilger wrote: > jbd and jbd2 fixes: 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 expicit sync/umount happens. > > Signed-off-by: Alex Zhuravlev (Tomas) <alex.zhuravlev@sun.com> > Signed-off-by: Andreas Dilger <adilger@sun.com> Added to the ext4 patch queue; apologies for the delay. - Ted -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Index: linux-2.6.27.21-0.1/fs/jbd2/transaction.c =================================================================== --- linux-2.6.27.21-0.1.orig/fs/jbd2/transaction.c 2009-06-10 11:11:41.000000000 -0600 +++ linux-2.6.27.21-0.1/fs/jbd2/transaction.c 2009-06-10 11:12:32.000000000 -0600 @@ -54,7 +54,7 @@ INIT_LIST_HEAD(&transaction->t_inode_list); /* 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);