How do disk writes work these days?
How do disk writes work these days?
- Subject: How do disk writes work these days?
- From: Wade Tregaskis <email@hidden>
- Date: Wed, 24 Jul 2002 00:18:01 +1000
[for background, I don't have any experience coding at the kernel level; I
lurk on this list hoping to learn :)]
This is probably a numbingly boring question, but what happens when the
kernel gets handed data to write to disk, from say a userland app? I ask
because I've begun covering this from a users point of view in my uni
course, and they seem to indicate that the method, now as it was 30 years
ago, is to block any disk write's and yield time to other processes.
I'm curious if this is still how it's done. If not, what's the [basic]
procedure?
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