Re: [PATCH] block: Prevent hang_check firing during long I/O

[Jens Axboe]

On 2010-09-24 15:51, Mark Lord wrote:
> During long I/O operations, the hang_check timer may fire,
> trigger stack dumps that unnecessarily alarm the user.
> 
> Eg.  hdparm --security-erase NULL /dev/sdb  ## can take *hours* to complete
> 
> So, if hang_check is armed, we should wake up periodically
> to prevent it from triggering.  This patch uses a wake-up interval
> equal to half the hang_check timer period, which keeps overhead low enough.

Applied, thanks.

-- 
Jens Axboe

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