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    SubjectRe: [PATCH v4 16/31] loop: use aio to perform io on the underlying file
    On 12/03/2012 08:52 PM, Dave Chinner wrote:
    > On Mon, Dec 03, 2012 at 10:59:39AM -0600, Dave Kleikamp wrote:
    >> On 11/22/2012 05:06 PM, Dave Chinner wrote:

    >>> And this extra fsync is now not done in the aio path. I.e. the AIO
    >>> completion path needs to issue the fsync to maintain correct REQ_FUA
    >>> semantics...
    >>
    >> If this is really necessary, I can fix it.
    >
    > Absolutely. If we don't implement FUA properly, we'll end up with
    > corrupted filesystems and/or data loss when kernel crashes or
    > powerloss occurs. That's not an acceptable outcome, so we need FUA
    > to be implemented properly.

    Okay, just wanted to make sure.

    Thanks,
    Shaggy


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