On 17.04.20 г. 17:40 ч., fdmanana@xxxxxxxxxx wrote:
> From: Filipe Manana <fdmanana@xxxxxxxx>
>
> When cleaning pinned extents right before deleting an unused block group,
> we check if there's still a previous transaction running and if so we
> increment its reference count before using it for cleaning pinned ranges
> in its pinned extents iotree. However we ended up never decrementing the
> reference count after using the transaction, resulting in a memory leak.
>
> Fix it by decrementing the reference count.
>
> Fixes: fe119a6eeb6705 ("btrfs: switch to per-transaction pinned extents")
> Signed-off-by: Filipe Manana <fdmanana@xxxxxxxx>
Reviewed-by: Nikolay Borisov <nborisov@xxxxxxxx>
