[PATCH] blktests: use global configfs variable

[Omar Sandoval]

On Tue, May 08, 2018 at 01:45:32AM -0400, Chaitanya Kulkarni wrote:
> This patch introduces a global variable to hold the
> configfs nvmet path. Now we don't need repetitive
> local variables to hold the path and testcases
> can use the newly introduced variable if needed.
> 
> Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni at wdc.com>

Thanks, Chaitanya, that's a good cleanup. Applied.