From 7aa1650d281e1dfcd4526baf8f92ad1813c95adf Mon Sep 17 00:00:00 2001
From: paul luse <paul.e.luse@intel.com>
Date: Fri, 28 Jan 2022 16:19:51 -0700
Subject: [PATCH] idxd: minor one LOC cleanup

We always set num_batches to the same value we set num_descriptors
so just make it explicit. Makes it easier to experiment with
different values when performance testing.

Signed-off-by: paul luse <paul.e.luse@intel.com>
Change-Id: I648262001772c791a032d6cab38dc3b03c1d55c1
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/11354
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
Community-CI: Mellanox Build Bot
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
---
 lib/idxd/idxd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/idxd/idxd.c b/lib/idxd/idxd.c
index b325cb339..53e8b127a 100644
--- a/lib/idxd/idxd.c
+++ b/lib/idxd/idxd.c
@@ -185,7 +185,7 @@ spdk_idxd_get_channel(struct spdk_idxd_device *idxd)
 	}
 
 	/* Allocate batches */
-	num_batches = idxd->queues[idxd->wq_id].wqcfg.wq_size / idxd->chan_per_device;
+	num_batches = num_descriptors;
 	chan->batch_base = calloc(num_batches, sizeof(struct idxd_batch));
 	if (chan->batch_base == NULL) {
 		SPDK_ERRLOG("Failed to allocate batch pool\n");