Re: [PATCH v2] fs: Fix page cache inconsistency when mixing buffered and AIO DIO

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Lukas Czerner <lczerner@xxxxxxxxxx> writes:

> About the error case, is it not possible that some data has already been
> writtent to the disk despite the error ?

Yes, it's possible.  However, that data is in an inconsistent state, so
it shouldn't be read, anyway.

Now, in the non-async path, we do the invalidation unconditionally, so I
could go either way on this.  I don't think it's going to matter for
performance or data integrity.

Cheers,
Jeff



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