On Thu, 28 Aug 2003 14:46:39 -0700
Ben Greear <greearb@xxxxxxxxxxxxxxx> wrote:
> Since you can rename devices, that might not work. A long time ago
> I hashed the devices, both by name and by index...that gives good
> lookup performance, at least. As for create-time issues, that is
> definately slow path, and even searching linearly 4 or 8k devices is
> not a big deal (in my opinion). So, why not make the hard-coded 100
> limit be more like 8196 or something really large? (It could still
> be adjustable if needed.)
Right, it's also not going to fix the locking problems.
I would suggest two things:
1) Ben's hashing patch for lookups.
2) RCU'ing read access to the device list.
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