Re: [PATCH v2 3/3] ovl: lookup in inode cache first when decoding lower file handle

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On Thu, Mar 22, 2018 at 4:20 PM, Amir Goldstein <amir73il@xxxxxxxxx> wrote:
> On Thu, Mar 22, 2018 at 1:55 PM, Amir Goldstein <amir73il@xxxxxxxxx> wrote:

> Yes, it is a mistake as you observed.
> I was trying to understand why it didn't affect the tests.
>
> Apparently, the case where underlying dentry is disconnected
> and overlay inode is in cache is harder to reproduce and is not covered by
> the current tests. I think it requires:
> - encoding non-upper non-dir overlay file handle
> - drop caches
> - open by non-upper file handle (disconnected underlying and not in
> overlay icache)
> - open by non-upper file handle again (disconnected underlying and in
> overlay icache)
>
> The current tests only cover:
> - encoding non-upper non-dir overlay file handle
> - drop caches
> - open by non-upper file handle (disconnected underlying and not in
> overlay icache)
> AND:
> - encoding non-upper non-dir overlay file handle AND keep the file open
> - drop caches
> - open by non-upper file handle (connected underlying and in overlay icache)
>
> I will add the missing tests to my TODO.
> I suppose you will be fixing this bug on commit?

Yes.

Thanks,
Miklos
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