[PATCH v2] xfstest: test corruption with multi extent in PAGE.

[Mark Tinguely]

On 07/13/12 05:15, Alain Renaud wrote:
> Since I got no feedback on the updated version let me send it again.
>
> xfstest: test corruption with multi extent in PAGE.
>
> Test using extsize/resvspace to create a file with multiple extent in
> one PAGE.
> This show an error in the block conversion from unwritten to real.
> As a result we tag raw disk block as valid(3-4)
> and valid data as unwritten(5-6)
>
> On an x86_64 machine the page should look like this.
>
> buffer content
> 0 empty b_state = 0
> 1 DATA b_state = 0x1023
> 2 DATA b_state = 0x1023
> 3 empty b_state = 0
> 4 empty b_state = 0
> 5 DATA b_state = 0x1023
> 6 DATA b_state = 0x1023
> 7 empty b_state = 0
>
> Signed-off-by: Alain Renaud <arenaud at sgi.com>

Tested with and without commit 7d0fa3ecba2f12ceef93fffe615e5dd9b50bb794
Looks good.

Reviewed-by: Mark Tinguely <tinguely at sgi.com>