Christoph Hellwig wrote:
On Mon, Sep 08, 2008 at 08:53:37PM +0900, Takashi Sato wrote:
The timeout feature is added to "freeze ioctl" to solve a deadlock
when the freezer accesses a frozen filesystem. And new ioctl
to reset the timeout period is added to extend the timeout period.
For example, the freezer resets the timeout period to 10 seconds every 5
seconds. In this approach, even if the freezer causes a deadlock by
accessing the frozen filesystem, it will be solved by the timeout
in 10 seconds and the freezer will be able to recognize that
at the next reset of timeout period.
And as with all previous posting I still fundamentally disagree about
the need of this functionality. We don't need a timeout for freezing.
I agree with Christoph here, I think that the timeout is unneeded.
Regards,
Ric
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