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Re: Disk drive zero-fill benchmarks for various synchronization methods and block sizes



On Mon 09 Sep 2024 at 11:52:19 (+0300), Anssi Saari wrote:
> David Christensen <dpchrist@holgerdanske.com> writes:
> 
> > 2.  sync(1) is unnecessary.
> 
> Does it even do anything wrt device files? sync(2) says "sync() causes
> all pending modifications to filesystem metadata and cached file data to
> be written to the underlying filesystems."

I think you also need to read the other manpage, fsync(2).

Cheers,
David.


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