>If the fs is single threaded, I assume that it's protected by some form
>of lock, and every process that waits for I/O will sleep, i.e. not accumulate
We was talking about the big kernel lock.
>more time in the CPU. Even if the fs code was protected by a spin lock, this
>would only show up in the system time, not in the user time ...
yes (at least theorically).
Andrea
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