On Thu, Oct 24, 2024 at 11:38:27PM -0700, Darrick J. Wong wrote: > From: Darrick J. Wong <djwong@xxxxxxxxxx> > > It seems that the function call to start a systemd unit completes > asynchronously from any change in that unit's active state. On a > lightly loaded system, a Start() call followed by an ActiveState() > call actually sees the change in state from inactive to activating. > > Unfortunately, on a heavily loaded system, the state change may take a > few seconds. If this is the case, the wait() call can see that the unit > state is "inactive", decide that the service already finished, and exit > early, when in reality it hasn't even gotten to 'activating'. > > Fix this by adding a second method that watches either for the inactive > -> activating state transition or for the last exit from inactivation > timestamp to change before waiting for the unit to reach inactive state. > > Signed-off-by: Darrick J. Wong <djwong@xxxxxxxxxx> > Cc: <linux-xfs@xxxxxxxxxxxxxxx> # v6.10.0 What is this supposed to mean? The patch itself looks good: Reviewed-by: Christoph Hellwig <hch@xxxxxx>