[Bug 222929] ZFS ARC stats have wrong count

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=222929

--- Comment #8 from naito.yuichiro at gmail.com ---
(In reply to Allan Jude from comment #7)
Thank you very much to your investigation.
My ruby script doesn't read disks actually.
I thought this means all metadata is cached.
I saw no problem with performance.

> Anyway, I am investigating a quick fixes to account for the cache hit 
> correctly, instead of as a cache miss.

I hope your fix.

> I am also looking to see if it would be relatively simple to optimize the case
> and return the data more directly in arc_read() instead of creating a zio and
> going the currently more complicated path. This path mostly exists because it makes
> it possible for other functions to not need to know about the embedded block 
> pointer feature.

I don't know about zfs source codes.
But if you need to test your patch in my environment,
please ask me.
I will test in new boot environment on my PC.
I learned the feature in your session in BSDtw!

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