Re: wait until swapoff is *actually* finished (it returns too early)?
On Wed, Aug 21, 2024 at 07:38:29AM -0400, Greg Wooledge wrote:
> Even if that's true, running them all in the same command as Roberto
> shows would not give you any benefit.
In early Unix sync *did* return immediately after scheduling a buffer flush.
> You'd need to physically *type* the command and press Enter three times
> to get any "protection". And even then, it's really just the extra
> time that it takes to type those commands out.
This is exactly what I was taught to do in the 1980s and the reason was to
cause delay before typing ^p.
> You'd get the same "protection" by simply waiting 10 seconds (or whatever's
> appropriate) after running sync once.
Remembering to wait is much harder than remembering to type sync on 3 lines -
especially late at night.
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Alain Williams
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