Re: [PATCH AUTOSEL 5.6 64/68] btrfs: hold a ref on the root in btrfs_recover_relocation

David Sterba
2020-04-10T10:09:46Z

On Thu, Apr 09, 2020 at 11:46:29PM -0400, Sasha Levin wrote:
> From: Josef Bacik <josef@toxicpanda.com>
>
> [ Upstream commit 932fd26df8125a5b14438563c4d3e33f59ba80f7 ]
>
> We look up the fs root in various places in here when recovering from a
> crashed relcoation. Make sure we hold a ref on the root whenever we
> look them up.
>
> Signed-off-by: Josef Bacik <josef@toxicpanda.com>
> Reviewed-by: David Sterba <dsterba@suse.com>
> Signed-off-by: David Sterba <dsterba@suse.com>
> Signed-off-by: Sasha Levin <sashal@kernel.org>

Please drop this patch from all stable versions. It's part of a
larger series that is preparatory switching from SRCU to refcounts, so
the patch on itself does not fix anything.