Path: utzoo!attcan!uunet!world!bzs
From: bzs@world.std.com (Barry Shein)
Newsgroups: comp.unix.internals
Subject: Re: What is the kernel doing?
Message-ID: <BZS.90Nov14195912@world.std.com>
Date: 15 Nov 90 00:59:12 GMT
References: <1990Nov14.092733.456@fiver>
Sender: bzs@world.std.com (Barry Shein)
Organization: The World
Lines: 13
In-Reply-To: palowoda@fiver's message of 14 Nov 90 09:27:33 GMT


> I'm curious, I was running umon386 and watching my system when there was
>no activity. I notice that a rawch read causes a process switch. And in turn
>it appears that the pwitch causes a iget, namei and dirblk. I assume the  
>latter are disk access. Why does it do this?

Looks like it's updating the access time for the /dev/ inode associated
with the device. Not sure why it's going thru namei() tho.
-- 
        -Barry Shein

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