linux-kernel - Re: [PATCH] staging: lustre: lproc_mgc: Remove unused function mgc_ir_state_seq

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Message-ID: <201511090116.LH4z1Lh1%fengguang.wu@intel.com>
Date:	Mon, 9 Nov 2015 01:19:18 +0800
From:	kbuild test robot <lkp@...el.com>
To:	Shivani Bhardwaj <shivanib134@...il.com>
Cc:	kbuild-all@...org, gregkh@...uxfoundation.org,
	oleg.drokin@...el.com, devel@...verdev.osuosl.org,
	andreas.dilger@...el.com, linux-kernel@...r.kernel.org,
	lustre-devel@...ts.lustre.org
Subject: Re: [PATCH] staging: lustre: lproc_mgc: Remove unused function
 mgc_ir_state_seq_show

Hi Shivani,

[auto build test ERROR on: staging/staging-testing]
[also build test ERROR on: next-20151106]
[cannot apply to: v4.3]

url:    https://github.com/0day-ci/linux/commits/Shivani-Bhardwaj/staging-lustre-lproc_mgc-Remove-unused-function-mgc_ir_state_seq_show/20151109-010718
config: x86_64-allyesconfig (attached as .config)
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All error/warnings (new ones prefixed by >>):

   In file included from drivers/staging/lustre/lustre/mgc/../include/obd_support.h:43:0,
                    from drivers/staging/lustre/lustre/mgc/../include/obd_class.h:39,
                    from drivers/staging/lustre/lustre/mgc/lproc_mgc.c:39:
   drivers/staging/lustre/lustre/mgc/lproc_mgc.c: In function 'mgc_ir_state_single_open':
>> drivers/staging/lustre/lustre/mgc/lproc_mgc.c:51:19: error: 'mgc_ir_state_seq_show' undeclared (first use in this function)
    LPROC_SEQ_FOPS_RO(mgc_ir_state);
                      ^
   drivers/staging/lustre/lustre/mgc/../include/lprocfs_status.h:634:27: note: in definition of macro '__LPROC_SEQ_FOPS'
     return single_open(file, name##_seq_show, inode->i_private); \
                              ^
>> drivers/staging/lustre/lustre/mgc/lproc_mgc.c:51:1: note: in expansion of macro 'LPROC_SEQ_FOPS_RO'
    LPROC_SEQ_FOPS_RO(mgc_ir_state);
    ^
   drivers/staging/lustre/lustre/mgc/lproc_mgc.c:51:19: note: each undeclared identifier is reported only once for each function it appears in
    LPROC_SEQ_FOPS_RO(mgc_ir_state);
                      ^
   drivers/staging/lustre/lustre/mgc/../include/lprocfs_status.h:634:27: note: in definition of macro '__LPROC_SEQ_FOPS'
     return single_open(file, name##_seq_show, inode->i_private); \
                              ^
>> drivers/staging/lustre/lustre/mgc/lproc_mgc.c:51:1: note: in expansion of macro 'LPROC_SEQ_FOPS_RO'
    LPROC_SEQ_FOPS_RO(mgc_ir_state);
    ^
>> drivers/staging/lustre/lustre/mgc/../include/lprocfs_status.h:632:59: warning: control reaches end of non-void function [-Wreturn-type]
    static int name##_single_open(struct inode *inode, struct file *file) \
                                                              ^
>> drivers/staging/lustre/lustre/mgc/../include/lprocfs_status.h:645:34: note: in expansion of macro '__LPROC_SEQ_FOPS'
    #define LPROC_SEQ_FOPS_RO(name)  __LPROC_SEQ_FOPS(name, NULL)
                                     ^
>> drivers/staging/lustre/lustre/mgc/lproc_mgc.c:51:1: note: in expansion of macro 'LPROC_SEQ_FOPS_RO'
    LPROC_SEQ_FOPS_RO(mgc_ir_state);
    ^

vim +/mgc_ir_state_seq_show +51 drivers/staging/lustre/lustre/mgc/lproc_mgc.c

d7e09d039 Peng Tao           2013-05-02  33   * This file is part of Lustre, http://www.lustre.org/
d7e09d039 Peng Tao           2013-05-02  34   * Lustre is a trademark of Sun Microsystems, Inc.
d7e09d039 Peng Tao           2013-05-02  35   */
d7e09d039 Peng Tao           2013-05-02  36  #define DEBUG_SUBSYSTEM S_CLASS
d7e09d039 Peng Tao           2013-05-02  37  
d7e09d039 Peng Tao           2013-05-02  38  #include <linux/vfs.h>
73060ed93 Greg Kroah-Hartman 2014-07-11 @39  #include "../include/obd_class.h"
73060ed93 Greg Kroah-Hartman 2014-07-11  40  #include "../include/lprocfs_status.h"
d7e09d039 Peng Tao           2013-05-02  41  #include "mgc_internal.h"
d7e09d039 Peng Tao           2013-05-02  42  
73bb1da69 Peng Tao           2013-05-29  43  LPROC_SEQ_FOPS_RO_TYPE(mgc, connect_flags);
73bb1da69 Peng Tao           2013-05-29  44  LPROC_SEQ_FOPS_RO_TYPE(mgc, server_uuid);
73bb1da69 Peng Tao           2013-05-29  45  LPROC_SEQ_FOPS_RO_TYPE(mgc, conn_uuid);
73bb1da69 Peng Tao           2013-05-29  46  LPROC_SEQ_FOPS_RO_TYPE(mgc, import);
73bb1da69 Peng Tao           2013-05-29  47  LPROC_SEQ_FOPS_RO_TYPE(mgc, state);
73bb1da69 Peng Tao           2013-05-29  48  
73bb1da69 Peng Tao           2013-05-29  49  LPROC_SEQ_FOPS_WR_ONLY(mgc, ping);
73bb1da69 Peng Tao           2013-05-29  50  
73bb1da69 Peng Tao           2013-05-29 @51  LPROC_SEQ_FOPS_RO(mgc_ir_state);
73bb1da69 Peng Tao           2013-05-29  52  
d7e09d039 Peng Tao           2013-05-02  53  static struct lprocfs_vars lprocfs_mgc_obd_vars[] = {
35b8dfd41 Greg DeAngelis     2014-05-23  54  	{ "ping",	     &mgc_ping_fops,      NULL, 0222 },

:::::: The code at line 51 was first introduced by commit
:::::: 73bb1da692d0dc3e93b9c9e29084d6a5dcbc37a6 staging/lustre: adapt proc_dir_entry change

:::::: TO: Peng Tao <bergwolf@...il.com>
:::::: CC: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

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