linux-kernel - [PATCH 3/8] staging: lustre: Remove DECLARE_LU

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Date:   Thu, 11 Jan 2018 18:16:57 +0100
From:   Fabian Huegel <fabian_huegel@....de>
To:     Oleg Drokin <oleg.drokin@...el.com>,
        Andreas Dilger <andreas.dilger@...el.com>,
        James Simmons <jsimmons@...radead.org>,
        Lai Siyao <lai.siyao@...el.com>,
        "John L . Hammond" <john.hammond@...el.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        devel@...verdev.osuosl.org, Ben Evans <bevans@...y.com>,
        NeilBrown <neilb@...e.com>
Cc:     lustre-devel@...ts.lustre.org, linux-kernel@...r.kernel.org,
        linux-kernel@...cs.fau.de, Fabian Huegel <fabian_huegel@....de>,
        Christoph Volkert <linux@...istoph-volkert.de>
Subject: [PATCH 3/8] staging: lustre: Remove DECLARE_LU_VARS macro

This macro was only used in four places to declare two variables.
It saved one line of code, but in our opinion hurt readability.
So we removed the macro, substituting every occurrence with the
declaration of the two variables (like the preprocessor would have done).

Signed-off-by: Fabian Huegel <fabian_huegel@....de>
Signed-off-by: Christoph Volkert <linux@...istoph-volkert.de>
---
 drivers/staging/lustre/lustre/include/obd_class.h | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/staging/lustre/lustre/include/obd_class.h b/drivers/staging/lustre/lustre/include/obd_class.h
index dbe8225..8fc14ed 100644
--- a/drivers/staging/lustre/lustre/include/obd_class.h
+++ b/drivers/staging/lustre/lustre/include/obd_class.h
@@ -489,14 +489,11 @@ static inline int obd_set_info_async(const struct lu_env *env,
  * obd_precleanup() and obd_cleanup() call both lu_device and obd operations.
  */
 
-#define DECLARE_LU_VARS(ldt, d)		 \
-	struct lu_device_type *ldt;       \
-	struct lu_device *d
-
 static inline int obd_setup(struct obd_device *obd, struct lustre_cfg *cfg)
 {
 	int rc;
-	DECLARE_LU_VARS(ldt, d);
+	struct lu_device_type *ldt;
+	struct lu_device *d;
 
 	ldt = obd->obd_type->typ_lu;
 	if (ldt) {
@@ -534,7 +531,8 @@ static inline int obd_setup(struct obd_device *obd, struct lustre_cfg *cfg)
 static inline int obd_precleanup(struct obd_device *obd)
 {
 	int rc;
-	DECLARE_LU_VARS(ldt, d);
+	struct lu_device_type *ldt;
+	struct lu_device *d;
 
 	rc = obd_check_dev(obd);
 	if (rc)
@@ -560,7 +558,8 @@ static inline int obd_precleanup(struct obd_device *obd)
 static inline int obd_cleanup(struct obd_device *obd)
 {
 	int rc;
-	DECLARE_LU_VARS(ldt, d);
+	struct lu_device_type *ldt;
+	struct lu_device *d;
 
 	rc = obd_check_dev(obd);
 	if (rc)
@@ -608,7 +607,8 @@ static inline int
 obd_process_config(struct obd_device *obd, int datalen, void *data)
 {
 	int rc;
-	DECLARE_LU_VARS(ldt, d);
+	struct lu_device_type *ldt;
+	struct lu_device *d;
 
 	rc = obd_check_dev(obd);
 	if (rc)
-- 
2.7.4