linux-kernel - [PATCH 1/4] selftests: ublk: kublk: use ioctl-encoded opcodes

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Message-Id: <20250325-ublk_timeout-v1-1-262f0121a7bd@purestorage.com>
Date: Tue, 25 Mar 2025 16:19:31 -0600
From: Uday Shankar <ushankar@...estorage.com>
To: Ming Lei <ming.lei@...hat.com>, Shuah Khan <shuah@...nel.org>, 
 Jens Axboe <axboe@...nel.dk>
Cc: linux-block@...r.kernel.org, linux-kselftest@...r.kernel.org, 
 linux-kernel@...r.kernel.org, Uday Shankar <ushankar@...estorage.com>
Subject: [PATCH 1/4] selftests: ublk: kublk: use ioctl-encoded opcodes

There are a couple of places in the kublk selftests ublk server which
use the legacy ublk opcodes. These operations fail (with -EOPNOTSUPP) on
a kernel compiled without CONFIG_BLKDEV_UBLK_LEGACY_OPCODES set. We
could easily require it to be set as a prerequisite for these selftests,
but since new applications should not be using the legacy opcodes, use
the ioctl-encoded opcodes everywhere in kublk.

Signed-off-by: Uday Shankar <ushankar@...estorage.com>
---
 tools/testing/selftests/ublk/kublk.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/ublk/kublk.c b/tools/testing/selftests/ublk/kublk.c
index 05147b53c3613a436e3a13848e146e0c66ca2525..b17eee643b2dbfd59903b61718afcbc21da91d97 100644
--- a/tools/testing/selftests/ublk/kublk.c
+++ b/tools/testing/selftests/ublk/kublk.c
@@ -99,7 +99,7 @@ static int __ublk_ctrl_cmd(struct ublk_dev *dev,
 static int ublk_ctrl_stop_dev(struct ublk_dev *dev)
 {
 	struct ublk_ctrl_cmd_data data = {
-		.cmd_op	= UBLK_CMD_STOP_DEV,
+		.cmd_op	= UBLK_U_CMD_STOP_DEV,
 	};
 
 	return __ublk_ctrl_cmd(dev, &data);
@@ -169,7 +169,7 @@ static int ublk_ctrl_get_params(struct ublk_dev *dev,
 		struct ublk_params *params)
 {
 	struct ublk_ctrl_cmd_data data = {
-		.cmd_op	= UBLK_CMD_GET_PARAMS,
+		.cmd_op	= UBLK_U_CMD_GET_PARAMS,
 		.flags	= CTRL_CMD_HAS_BUF,
 		.addr = (__u64)params,
 		.len = sizeof(*params),

-- 
2.34.1