On 12.11.18 08:06, Marc Olson wrote:
> If 'once' is specified, the rule should execute just once, regardless if
> it is supposed to return an error or not. Take the example where you
> want the first IO to an LBA to succeed, but subsequent IOs to fail. You
> could either use state transitions, or create two rules, one with
> error = 0 and once set to true, and one with a non-zero error.
> 
> Signed-off-by: Marc Olson <marcolso@amazon.com>
> ---
>  block/blkdebug.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)

I don't quite see the point, because the example in the commit message
clearly should be done with a state transition, but the code change
looks reasonable, so:

Reviewed-by: Max Reitz <mreitz@redhat.com>