On Tue, Jun 18, 2019 at 10:59:18AM -0400, Josef Bacik wrote: > We have been seeing issues in production where a cleaner script will end > up unlinking a bunch of files that have pending iputs. This means they > will get their final iput's run at btrfs-cleaner time and thus are not > throttled, which impacts the workload. > > Since we are unlinking these files we can just drop the delayed iput at > unlink time. We are already holding a reference to the inode so this > will not be the final iput and thus is completely safe to do at this > point. Doing this means we are more likely to be doing the final iput > at unlink time, and thus will get the IO charged to the caller and get > throttled appropriately without affecting the main workload. > > Signed-off-by: Josef Bacik <jo...@toxicpanda.com>
Added to misc-next, thanks.
