From 5dd0f019cd1c579c42f6c3d06b0ac1b03be342ba Mon Sep 17 00:00:00 2001
From: Richard Yao <richard.yao@alumni.stonybrook.edu>
Date: Sat, 4 Mar 2023 16:48:29 -0500
Subject: [PATCH] Linux cleanup: zvol_discard() should only call
 blk_queue_io_stat() once

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Richard Yao <richard.yao@alumni.stonybrook.edu>
Closes #14575
---
 module/os/linux/zfs/zvol_os.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/module/os/linux/zfs/zvol_os.c b/module/os/linux/zfs/zvol_os.c
index 01e6456207..cdf32c78b4 100644
--- a/module/os/linux/zfs/zvol_os.c
+++ b/module/os/linux/zfs/zvol_os.c
@@ -342,8 +342,7 @@ zvol_discard(zv_request_t *zvr)
 	struct request_queue *q = zv->zv_zso->zvo_queue;
 	struct gendisk *disk = zv->zv_zso->zvo_disk;
 	unsigned long start_time = 0;
-
-	boolean_t acct = blk_queue_io_stat(q);
+	boolean_t acct = B_FALSE;
 
 	ASSERT3P(zv, !=, NULL);
 	ASSERT3U(zv->zv_open_count, >, 0);