linux-kernel - [PATCH] staging: lustre: clean function declarations in class

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Date:   Thu, 15 Sep 2016 21:51:27 +0800
From:   Baoyou Xie <baoyou.xie@...aro.org>
To:     oleg.drokin@...el.com, andreas.dilger@...el.com,
        jsimmons@...radead.org, gregkh@...uxfoundation.org,
        john.hammond@...el.com, shraddha.6596@...il.com, di.wang@...el.com,
        ksenija.stanojevic@...il.com, mike.rapoport@...il.com,
        andrew.perepechko@...gate.com, kirill.shutemov@...ux.intel.com,
        lustre-devel@...ts.lustre.org
Cc:     devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
        arnd@...db.de, baoyou.xie@...aro.org, xie.baoyou@....com.cn
Subject: [PATCH] staging: lustre: clean function declarations in class_obd.c up

We get 2 warnings when building kernel with W=1:

drivers/staging/lustre/lustre/obdclass/linux/linux-module.c:413:5: warning: no previous prototype for 'class_procfs_init' [-Wmissing-prototypes]
drivers/staging/lustre/lustre/obdclass/linux/linux-module.c:449:5: warning: no previous prototype for 'class_procfs_clean' [-Wmissing-prototypes]

In fact, both functions are declared in
drivers/staging/lustre/lustre/obdclass/class_obd.c,but should be
declared in a header file, thus can be recognized in other file.

So this patch moves the declarations into
drivers/staging/lustre/lustre/include/obd_class.h.

Signed-off-by: Baoyou Xie <baoyou.xie@...aro.org>
---
 drivers/staging/lustre/lustre/include/obd_class.h  | 4 ++++
 drivers/staging/lustre/lustre/obdclass/class_obd.c | 2 --
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/lustre/lustre/include/obd_class.h b/drivers/staging/lustre/lustre/include/obd_class.h
index 9702ad4..9965a01 100644
--- a/drivers/staging/lustre/lustre/include/obd_class.h
+++ b/drivers/staging/lustre/lustre/include/obd_class.h
@@ -1712,6 +1712,10 @@ int class_check_uuid(struct obd_uuid *uuid, __u64 nid);
 void class_init_uuidlist(void);
 void class_exit_uuidlist(void);
 
+/*linux-module.c*/
+int class_procfs_init(void);
+int class_procfs_clean(void);
+
 /* class_obd.c */
 extern char obd_jobid_node[];
 extern struct miscdevice obd_psdev;
diff --git a/drivers/staging/lustre/lustre/obdclass/class_obd.c b/drivers/staging/lustre/lustre/obdclass/class_obd.c
index 6700167..397929a 100644
--- a/drivers/staging/lustre/lustre/obdclass/class_obd.c
+++ b/drivers/staging/lustre/lustre/obdclass/class_obd.c
@@ -446,8 +446,6 @@ static int obd_init_checks(void)
 	return ret;
 }
 
-extern int class_procfs_init(void);
-extern int class_procfs_clean(void);
 
 static int __init obdclass_init(void)
 {
-- 
2.7.4