Re: [PATCH 1/2] [v2] btrfs: use monotonic time for transaction handling

From: David Sterba
Date: Thu Jun 21 2018 - 13:27:37 EST


On Thu, Jun 21, 2018 at 06:04:05PM +0200, Arnd Bergmann wrote:
> The transaction times were changed to ktime_get_real_seconds to avoid
> the y2038 overflow, but they still have a minor problem when they go
> backwards or jump due to settimeofday() or leap seconds.
>
> This changes the transaction handling to instead use ktime_get_seconds(),
> which returns a CLOCK_MONOTONIC timestamp that has neither of those
> problems.
>
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> ---
> v2: Rebased on top of an earlier patch by Allen Pais, which
> also obsoleted the original patch 2/3

1 and 2 added to patch queue, thanks.