[PATCH 1/2] xfstests: fix fiemap-tester for fewer extents returned

[Alex Elder]

On Thu, 2011-02-24 at 16:02 -0600, Eric Sandeen wrote:
> If the fiemap call returns fewer extents than asked for,
> the fiemap tester gets confused.  If this happens, advance,
> and call fiemap again for the next offset.
> 
> XFS exposed this because if a file is all-delalloc, it was
> only returning 1 mapped extent (this is probably also a buglet).

Looks good.  I presume you mean we should get back
an array of delalloc extents, right?  I started
looking at why only one is returned but haven't
found it yet.

Reviewed-by: Alex Elder <aelder at sgi.com>

> Signed-off-by: Eric Sandeen <sandeen at redhat.com>