Hans Reiser wrote:
> Let me be careful here, are you saying then that you got a 2x speedup
> by not changing where it was stored and only changing where it was returned,
> and thereby reducing syscall overhead?
Nothing to do with syscall overhead. That is reduced but it's negligable.
The type information (not mode, just type) is already stored in the
directory. It's simply been ignored until now.
By eliding stat() calls, you do fewer physical disk reads.
Fewer physical disk reads -> faster.
-- Jamie
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