Re: stochastic fair queueing in the elevator [Re: [BENCHMARK] 2.4.20-ck3 / aa / rmap with contest]

From: Andrew Morton (
Date: Mon Feb 10 2003 - 03:19:21 EST

Andrea Arcangeli <> wrote:
> BTW, one thing that should definitely do readhaead and it's
> not doing that (at least in 2.4) is the readdir path, again to generate
> big commands, no matter the seeks. It was lost with the directory in
> pagecache.

Yes. But ext3 is still doing directory readahead, and I have never
noticed it gaining any particular benefit over ext2 from it.

And neither fs performs inode table readahead.
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

This archive was generated by hypermail 2b29 : Sat Feb 15 2003 - 22:00:25 EST