On Tue, Jul 03, 2018 at 11:54:11AM +0300, Nikolay Borisov wrote:
>
>
> On 2.07.2018 18:40, David Sterba wrote:
> > On Mon, Jul 02, 2018 at 02:00:34PM +0300, Nikolay Borisov wrote:
> >> Commit 5d23515be669 ("btrfs: Move qgroup rescan on quota enable to
> >> btrfs_quota_enable") not only resulted in an easier to follow code but
> >> it also introduced a subtle bug. It changed the timing when the initial
> >> transaction rescan was happening - before the commit it would happen
> >> after transaction commit had occured but after the commit it might happen
> >> before the transaction was committed. This results in failure to
> >> correctly rescan the quota since there could be data which is still not
> >> committed on disk.
> >>
> >> This patch aims to fix this by movign the transaction creation/commit
> >> inside btrfs_quota_enable, which allows to schedule the quota commit
> >> after the transaction has been committed.
> >>
> >> Fixes: 5d23515be669 ("btrfs: Move qgroup rescan on quota enable to
> >> btrfs_quota_enable")
> >> Link: https://marc.info/?l=linux-btrfs&m=152999289017582
> >
> > Please use https://lkml.kernel.org/r/<message-id>
>
> That won't work since lkml.kernel is , well, only for lkml and this was
> posted to the btrfs mailing list.
Right. Would be better to have the message-id at least but, oh well.
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