Re: [PATCH 1/8] blkcg, writeback: Add wbc->no_wbc_acct

On Thu, Jun 13, 2019 at 05:33:43PM -0700, Tejun Heo wrote:

When writeback IOs are bounced through async layers, the IOs should
only be accounted against the wbc from the original bdi writeback to
avoid confusing cgroup inode ownership arbitration.  Add
wbc->no_wbc_acct to allow disabling wbc accounting.  This will be used
make btfs compression work well with cgroup IO control.

Signed-off-by: Tejun Heo <tj@kernel.org>

Reviewed-by: Josef Bacik <josef@toxicpanda.com>

Thanks,

Josef