Messages in this thread | | | Date | Mon, 17 Jun 2002 11:49:57 +0100 | From | Russell King <> | Subject | Re: [patch 1/19] writeback tunables |
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On Mon, Jun 17, 2002 at 12:33:18PM +0200, Martin Dalecki wrote: > > > + * The interval between `kupdate'-style writebacks. > > + */ > > +int dirty_writeback_centisecs = 5 * 100; > > + > > +/* > > + * The largest amount of time for which data is allowed to remain dirty > > + */ > > +int dirty_expire_centisecs = 30 * 100; > > + > > Blind guess - didn't the 100 wan't to be HZ?!
The units are centiseconds (as the name suggests). 5 * 100 centiseconds = 5 seconds, so the dirty writeback timeout is 5 seconds. Check the code a little further and you'll see HZ gets factored into them on use.
-- Russell King (rmk@arm.linux.org.uk) The developer of ARM Linux http://www.arm.linux.org.uk/personal/aboutme.html
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