Re: [PATCH] fsync_range, was: Re: munmap, msync: synchronization

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On Thu, Apr 24, 2014 at 11:34:35AM +1000, Dave Chinner wrote:
> Christoph, if this is going into the kernel, can you add support for
> xfs_io and write a couple of xfstests to test it? I'm not
> comfortable with adding new data integrity primitives to the kernel
> without having robust validation infrastructure already in place for
> it. It might also be worthwhile looking to extend Josef's
> fsync-tester.c to be able to use ranged fsyncs so to test all the
> various corner cases that we need to....

If we actually want to add it will obviously need test coverage.  Seem
like I can't really get people excited enough to make this more than a
PoC so far, though.

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