Re: [PATCH 1/5 - resend] SCHED: add some "wait..on_bit...timeout()" interfaces.

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* NeilBrown <neilb@xxxxxxx> wrote:

> 
> In commit c1221321b7c25b53204447cff9949a6d5a7ddddc
>    sched: Allow wait_on_bit_action() functions to support a timeout
> 
> I suggested that a "wait_on_bit_timeout()" interface would not meet my
> need.  This isn't true - I was just over-engineering.
> 
> Including a 'private' field in wait_bit_key instead of a focused
> "timeout" field was just premature generalization.  If some other
> use is ever found, it can be generalized or added later.
> 
> So this patch renames "private" to "timeout" with a meaning "stop
> waiting when "jiffies" reaches or passes "timeout",
> and adds two of the many possible wait..bit..timeout() interfaces:
> 
> wait_on_page_bit_killable_timeout(), which is the one I want to use,
> and out_of_line_wait_on_bit_timeout() which is a reasonably general
> example.  Others can be added as needed.
> 
> Acked-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
> Signed-off-by: NeilBrown <neilb@xxxxxxx>
> 
> ---
> This time with EXPORT_SYMBOL_GPL.

Looks good to me, thanks!

Acked-by: Ingo Molnar <mingo@xxxxxxxxxx>

	Ingo

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