Messages in this thread | | | Date | Wed, 24 Mar 1999 22:53:22 -0800 (PST) | From | Linus Torvalds <> | Subject | Re: disk head scheduling |
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On Wed, 24 Mar 1999, Eric Youngdale wrote: > > Look - the plug was a huge mistake. I should know - I am the one > responsible for it. I always intended to go back and get rid of the > thing and do it better, and I never got around to it.
No, the plug is great. It's doing exactly what needs to be done, and it's really simple.
The problem is that the limited requeuing thing we have now is not really fully aware of it. I definitely want plugging to stay, it allows us to essentially do a simple kind of "anti-nagle" on disk requests from a higher level without having to worry about all the nasty implications.
Linus
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