Re: [PATCH -next] btrfs: remove unused function btrfs_sysfs_feature_update

From: David Sterba
Date: Mon Jan 28 2019 - 08:32:47 EST

On Thu, Jan 17, 2019 at 04:48:28PM +0800, YueHaibing wrote:
> There are no in-tree callers.

I'd rather see the code fixed, the patch that used the function was
reverted because it was not safe to call sysfs from various contexts. I
have some wip.