On Fri, May 20, 2016 at 12:44 AM,  <[email protected]> wrote:
> From: Filipe Manana <[email protected]>
>
> We were assigning new values to fields of the device replace object
> without holding the respective lock after processing each device extent.
> This is important for the left cursor field which can be accessed by a
> concurrent task running __btrfs_map_block (which, correctly, takes the
> device replace lock).
> So change these fields while holding the device replace lock.
>
> Signed-off-by: Filipe Manana <[email protected]>

Eesh, thanks,

Reviewed-by: Josef Bacik <[email protected]>
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