Messages in this thread | | | From | Daniel Phillips <> | Subject | Re: [2.4.17/18pre] VM and swap - it's really unusable | Date | Wed, 9 Jan 2002 10:48:03 +0100 |
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On January 9, 2002 10:26 am, Andrew Morton wrote: > Daniel Phillips wrote: > > By the way, did you check for latency in directory operations? > > Yes. They can be very bad for really large directories. Scheduling > on the found-in-cache case in bread() kills that one easily for most > local filesystems. There may still be a problem in ext2.
A indexed directory won't have that problem - I'll get to finishing off the htree patch pretty soon[1]. In any event, the analogous technique will work: a schedule point in ext2_bread.
[1] Wli's hash work is happening at a convenient time.
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