From: Timothy Day <timday@amazon.com>
Date: Mon, 14 Apr 2025 14:25:10 +0000 (+0000)
Subject: LU-18162 kunit: convert OBD test to LU device
X-Git-Tag: 2.16.55~60
X-Git-Url: https://git.whamcloud.com/?a=commitdiff_plain;h=d253156f43caed3438e3b42656766c02561e2b2c;p=fs%2Flustre-release.git

LU-18162 kunit: convert OBD test to LU device

Convert OBD test to use LU device init/fini rather
than the legacy OBD API.

Test-Parameters: trivial testlist=sanity env=ONLY=55,ONLY_REPEAT=25
Signed-off-by: Timothy Day <timday@amazon.com>
Change-Id: Idd7f31fdf6daebfad448bed9c4ca7102f45c1688
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/58785
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Arshad Hussain <arshad.hussain@aeoncomputing.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
---

diff --git a/lustre/kunit/obd_test.c b/lustre/kunit/obd_test.c
index 3f9b943..38e3731 100644
--- a/lustre/kunit/obd_test.c
+++ b/lustre/kunit/obd_test.c
@@ -23,12 +23,17 @@
 
 #include <obd_class.h>
 
+#define LUSTRE_TEST_OBD_DEVICE "obd_test"
+
 static int verbose;
 module_param(verbose, int, 0644);
 MODULE_PARM_DESC(verbose, "Set the logging level for the module");
 
-static int obd_test_setup(struct obd_device *obd, struct lustre_cfg *lcfg)
+static int obd_test_device_init(const struct lu_env *env, struct lu_device *lu,
+				const char *name, struct lu_device *next)
 {
+	struct obd_device *obd = lu->ld_obd;
+
 	if (verbose >= 1)
 		pr_info("Lustre: OBD: %s", __func__);
 
@@ -62,24 +67,36 @@ static int obd_test_setup(struct obd_device *obd, struct lustre_cfg *lcfg)
 	return 0;
 }
 
-static int obd_test_cleanup(struct obd_device *obd)
+static struct lu_device *obd_test_device_fini(const struct lu_env *env,
+					      struct lu_device *d)
 {
 	if (verbose >= 1)
 		pr_info("Lustre: OBD: %s", __func__);
 
-	return 0;
+	return NULL;
 }
 
+static const struct lu_device_type_operations obd_test_type_ops = {
+	.ldto_device_init	= obd_test_device_init,
+	.ldto_device_fini	= obd_test_device_fini
+};
+
+static struct lu_device_type obd_test_device_type = {
+	.ldt_tags     = LU_DEVICE_MISC,
+	.ldt_name     = LUSTRE_TEST_OBD_DEVICE,
+	.ldt_ops      = &obd_test_type_ops,
+	.ldt_ctx_tags = LCT_LOCAL
+};
+
 static const struct obd_ops obd_test_obd_ops = {
-	.o_owner       = THIS_MODULE,
-	.o_setup       = obd_test_setup,
-	.o_cleanup     = obd_test_cleanup,
+	.o_owner       = THIS_MODULE
 };
 
 static int __init obd_test_init(void)
 {
 	return class_register_type(&obd_test_obd_ops, NULL, false,
-				   "obd_test", NULL);
+				   LUSTRE_TEST_OBD_DEVICE,
+				   &obd_test_device_type);
 }
 
 static void __exit obd_test_exit(void)