async_tx: rename zero_sum to val

'zero_sum' does not properly describe the operation of generating parity
and checking that it validates against an existing buffer.  Change the
name of the operation to 'val' (for 'validate').  This is in
anticipation of the p+q case where it is a requirement to identify the
target parity buffers separately from the source buffers, because the
target parity buffers will not have corresponding pq coefficients.

Reviewed-by: Andre Noll <maan@systemlinux.org>
Acked-by: Maciej Sosnowski <maciej.sosnowski@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 3bbc6d647044..f8d2d35ed298 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -854,7 +854,7 @@ static void ops_run_check(struct stripe_head *sh)
                         xor_srcs[count++] = dev->page;
         }
 
-        tx = async_xor_zero_sum(xor_dest, xor_srcs, 0, count, STRIPE_SIZE,
+        tx = async_xor_val(xor_dest, xor_srcs, 0, count, STRIPE_SIZE,
                 &sh->ops.zero_sum_result, 0, NULL, NULL, NULL);
 
         atomic_inc(&sh->count);