Re: [PATCH v2 2/3] blkcg: introduce io.sync_isolation

[Josef Bacik]

On Thu, Mar 07, 2019 at 07:08:33PM +0100, Andrea Righi wrote:
> Add a flag to the blkcg cgroups to make sync()'ers in a cgroup only be
> allowed to write out pages that have been dirtied by the cgroup itself.
> 
> This flag is disabled by default (meaning that we are not changing the
> previous behavior by default).
> 
> When this flag is enabled any cgroup can write out only dirty pages that
> belong to the cgroup itself (except for the root cgroup that would still
> be able to write out all pages globally).
> 
> Signed-off-by: Andrea Righi <andrea.righi@xxxxxxxxxxxxx>

Reviewed-by: Josef Bacik <josef@xxxxxxxxxxxxxx>

Thanks,

Josef