Re: [RFC PATCH] Filesystem Journal Notifications

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Abhijit Paithankar wrote:
> One way to do it is to fsync every few operations. However, fsync is
> blocking and affects performance.
>
> The other (more efficient) way is to have the filesystem notify the
> application when a transaction/change is written to disk.

Is this more efficient than aio_fsync, and if so, why?

For file writes, aio_fsync seems like a cleaner interface, and if
that's not fast enough, it could be made faster - perhaps using code
form this patch.  (An aio_fsync_ranges would be even better).

-- Jamie
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