On Thu, Feb 04, 2021 at 02:35:44PM +0000, fdman...@kernel.org wrote:
> From: Filipe Manana <fdman...@suse.com>
>
> At btrfs_copy_root(), if the call to btrfs_inc_ref() fails we end up
> returning without unlocking and releasing our reference on the extent
> buffer named "cow" we previously allocated with btrfs_alloc_tree_block().
>
> So fix that by unlocking the extent buffer and dropping our reference on
> it before returning.
>
> Fixes: be20aa9dbadc8c ("Btrfs: Add mount option to turn off data cow")
> Signed-off-by: Filipe Manana <fdman...@suse.com>
Added to misc-next, thanks.
