Re: [PATCH RFC 5/6] btrfs: sysfs: Add directory for read policies

From: Michal Rostecki
Date: Mon Feb 15 2021 - 09:38:22 EST


On Sat, Feb 13, 2021 at 11:19:28AM +0100, Greg KH wrote:
> On Tue, Feb 09, 2021 at 09:30:39PM +0100, Michal Rostecki wrote:
> > From: Michal Rostecki <mrostecki@xxxxxxxx>
> >
> > Before this change, raid1 read policy could be selected by using the
> > /sys/fs/btrfs/[fsid]/read_policy file.
> >
> > Change it to /sys/fs/btrfs/[fsid]/read_policies/policy.
> >
> > The motivation behing creating the read_policies directory is that the
> > next changes and new read policies are going to intruduce settings
> > specific to read policies.
>
> No Documentation/ABI/ update for this change?
>

Good point. As far as I see, we have no btrfs-related file there. I will
add it to Documentation/ABI/testing in v2.

I guess we also need to document all the options from btrfs that are
unaffected by this particular patchset? Would it make sense to cover
them in a separate patch?