Re: [PATCH] xfstests 219: test fiemap

[Christoph Hellwig <hch@xxxxxxxxxxxxx>]

On Thu, Jul 16, 2009 at 02:43:20PM -0500, Eric Sandeen wrote:
> Preliminary fiemap testing support based on a test util
> written by Josef Bacik.
> 
> For now it's only run with preallocation disabled, because
> xfs has a tendency to fill in holes with data blocks
> (EOF prealloc stuff I think) and similar for explicit 
> preallocation, so this is breaking the preallocation 
> tests for now, when it finds a "data" block where it expects
> a preallocated block.

Wouldn't we be better off to add an fiemap command to xfs_io so that
we can re-use it instead of having a special test program in xfstests?