Re: writing file to disk: not as easy as it looks

From: Theodore Tso
Date: Wed Dec 03 2008 - 11:42:59 EST

On Wed, Dec 03, 2008 at 09:46:40AM +0100, Pavel Machek wrote:
> Yes. fsync() seeems surprisingly high on Rusty's list of broken
> interfaces classification ('impossible to use correctly').

To be fair, fsync() was primarily intended for making sure that the
data had been written to disk, and not necessarily as a way of making
sure that write errors would be properly reflected back to the
application. As you've pointed out, it's not really adequate for that

- Ted
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