From 409a4f291e7f4011f6ccfe748c6ed9786431ddb3 Mon Sep 17 00:00:00 2001
From: Naohiro Aota <naohiro.aota@wdc.com>
Date: Fri, 28 Feb 2020 16:12:43 +0900
Subject: [PATCH] zbd: avoid initializing swd when unnecessary

When enable_check_swd == false, there is no use to initialize swd. Just
disable it in this case.

Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com>
Tested-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Naohiro Aota <naohiro.aota@wdc.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
 zbd.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/zbd.c b/zbd.c
index ee8bcb30..ddf1e6f3 100644
--- a/zbd.c
+++ b/zbd.c
@@ -847,6 +847,9 @@ static void zbd_init_swd(struct fio_file *f)
 {
 	uint64_t swd;
 
+	if (!enable_check_swd)
+		return;
+
 	swd = zbd_process_swd(f, SET_SWD);
 	dprint(FD_ZBD, "%s(%s): swd = %" PRIu64 "\n", __func__, f->file_name,
 	       swd);
-- 
2.25.1