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Date: Mon, 16 Oct 2017 07:48:53 +0200 (CEST)
From: Julia Lawall <julia.lawall@...6.fr>
To: Gang He <ghe@...e.com>
cc: lkp@...el.com, kbuild-all@...org, bhumirks@...il.com,
julia.lawall@...6.fr, ocfs2-devel@....oracle.com,
linux-kernel@...r.kernel.org
Subject: Re: [Ocfs2-devel] [PATCH] ocfs2/cluster: make config_item_type
const
On Sun, 15 Oct 2017, Gang He wrote:
> Hello Intel Kbuild team,
>
> You just upgrade GCC version when compiling the latest kernel?
> Since these code looks a little old, I am sure that the related contributors are still work on OCFS2 project.
I'm not sure to understand the comment. The report is due to the fact
that Bhumika's patch depends on other patches that have not been applied
yet.
julia
>
>
> Thanks
> Gang
>
>
> >>>
> > Hi Bhumika,
> >
> > [auto build test WARNING on linus/master]
> > [also build test WARNING on v4.14-rc4 next-20171013]
> > [if your patch is applied to the wrong git tree, please drop us a note to
> > help improve the system]
> >
> > url:
> > https://urldefense.proofpoint.com/v2/url?u=https-3A__github.com_0day-2Dci_l
> > inux_commits_Bhumika-2DGoyal_ocfs2-2Dcluster-2Dmake-2Dconfig-5Fitem-5Ftype-2Dconst_2
> > 0171014-2D185701&d=DwIBAg&c=RoP1YumCXCgaWHvlZYR8PQcxBKCX5YTpkKY057SbK10&r=f4ohdmG
> > rYxZejY77yzx3eNgTHb1ZAfZytktjHqNVzc8&m=8Ca3nktkbfrjbR5Spv4mvmdj2s377WohnG6h6z1
> > WB7E&s=hFVfDC8STTMTIDNtdipf8BlwR_V8RJG6an_l-r9MKyA&e=
> > config: tile-allyesconfig (attached as .config)
> > compiler: tilegx-linux-gcc (GCC) 4.6.2
> > reproduce:
> > wget
> > https://urldefense.proofpoint.com/v2/url?u=https-3A__raw.githubusercontent.c
> > om_intel_lkp-2Dtests_master_sbin_make.cross&d=DwIBAg&c=RoP1YumCXCgaWHvlZYR8PQcxB
> > KCX5YTpkKY057SbK10&r=f4ohdmGrYxZejY77yzx3eNgTHb1ZAfZytktjHqNVzc8&m=8Ca3nktkbfrj
> > bR5Spv4mvmdj2s377WohnG6h6z1WB7E&s=f5lUGF9NCtygTaG6AR0HkjhG7fOwD5nKFLaYCvPpju0&e
> > = -O ~/bin/make.cross
> > chmod +x ~/bin/make.cross
> > # save the attached .config to linux build tree
> > make.cross ARCH=tile
> >
> > All warnings (new ones prefixed by >>):
> >
> > fs/ocfs2/cluster/nodemanager.c: In function 'o2nm_node_group_make_item':
> > fs/ocfs2/cluster/nodemanager.c:573:2: warning: passing argument 3 of
> > 'config_item_init_type_name' discards 'const' qualifier from pointer target
> > type [enabled by default]
> > include/linux/configfs.h:73:13: note: expected 'struct config_item_type
> > *' but argument is of type 'const struct config_item_type *'
> > fs/ocfs2/cluster/nodemanager.c: In function
> > 'o2nm_cluster_group_make_group':
> > fs/ocfs2/cluster/nodemanager.c:681:9: warning: passing argument 3 of
> > 'config_group_init_type_name' discards 'const' qualifier from pointer target
> > type [enabled by default]
> > include/linux/configfs.h:102:13: note: expected 'struct config_item_type
> > *' but argument is of type 'const struct config_item_type *'
> > fs/ocfs2/cluster/nodemanager.c:685:9: warning: passing argument 3 of
> > 'config_group_init_type_name' discards 'const' qualifier from pointer target
> > type [enabled by default]
> > include/linux/configfs.h:102:13: note: expected 'struct config_item_type
> > *' but argument is of type 'const struct config_item_type *'
> > fs/ocfs2/cluster/nodemanager.c: In function 'o2nm_depend_item':
> > fs/ocfs2/cluster/nodemanager.c:743:2: warning: passing argument 1 of
> > 'configfs_depend_item' discards 'const' qualifier from pointer target type
> > [enabled by default]
> > include/linux/configfs.h:269:5: note: expected 'struct configfs_subsystem
> > *' but argument is of type 'const struct configfs_subsystem *'
> > fs/ocfs2/cluster/nodemanager.c: In function 'exit_o2nm':
> > fs/ocfs2/cluster/nodemanager.c:785:2: warning: passing argument 1 of
> > 'configfs_unregister_subsystem' discards 'const' qualifier from pointer
> > target type [enabled by default]
> > include/linux/configfs.h:253:6: note: expected 'struct configfs_subsystem
> > *' but argument is of type 'const struct configfs_subsystem *'
> > fs/ocfs2/cluster/nodemanager.c: In function 'init_o2nm':
> > fs/ocfs2/cluster/nodemanager.c:808:2: warning: passing argument 1 of
> > 'config_group_init' discards 'const' qualifier from pointer target type
> > [enabled by default]
> > include/linux/configfs.h:101:13: note: expected 'struct config_group *'
> > but argument is of type 'const struct config_group *'
> >>> fs/ocfs2/cluster/nodemanager.c:809:2: warning: passing argument 1 of
> > '__mutex_init' discards 'const' qualifier from pointer target type [enabled
> > by default]
> > include/linux/mutex.h:133:13: note: expected 'struct mutex *' but
> > argument is of type 'const struct mutex *'
> > fs/ocfs2/cluster/nodemanager.c:810:2: warning: passing argument 1 of
> > 'configfs_register_subsystem' discards 'const' qualifier from pointer target
> > type [enabled by default]
> > include/linux/configfs.h:252:5: note: expected 'struct configfs_subsystem
> > *' but argument is of type 'const struct configfs_subsystem *'
> > fs/ocfs2/cluster/nodemanager.c:820:2: warning: passing argument 1 of
> > 'configfs_unregister_subsystem' discards 'const' qualifier from pointer
> > target type [enabled by default]
> > include/linux/configfs.h:253:6: note: expected 'struct configfs_subsystem
> > *' but argument is of type 'const struct configfs_subsystem *'
> >
> > vim +809 fs/ocfs2/cluster/nodemanager.c
> >
> > 0c83ed8e Kurt Hackel 2005-12-15 740
> > 14829422 Joel Becker 2007-06-14 741 int o2nm_depend_item(struct
> > config_item *item)
> > 14829422 Joel Becker 2007-06-14 742 {
> > 14829422 Joel Becker 2007-06-14 @743 return
> > configfs_depend_item(&o2nm_cluster_group.cs_subsys, item);
> > 14829422 Joel Becker 2007-06-14 744 }
> > 14829422 Joel Becker 2007-06-14 745
> > 14829422 Joel Becker 2007-06-14 746 void o2nm_undepend_item(struct
> > config_item *item)
> > 14829422 Joel Becker 2007-06-14 747 {
> > 9a9e3415 Krzysztof Opasiak 2015-12-11 748 configfs_undepend_item(item);
> > 14829422 Joel Becker 2007-06-14 749 }
> > 14829422 Joel Becker 2007-06-14 750
> > 16c6a4f2 Joel Becker 2007-06-19 751 int o2nm_depend_this_node(void)
> > 16c6a4f2 Joel Becker 2007-06-19 752 {
> > 16c6a4f2 Joel Becker 2007-06-19 753 int ret = 0;
> > 16c6a4f2 Joel Becker 2007-06-19 754 struct o2nm_node *local_node;
> > 16c6a4f2 Joel Becker 2007-06-19 755
> > 16c6a4f2 Joel Becker 2007-06-19 756 local_node =
> > o2nm_get_node_by_num(o2nm_this_node());
> > 16c6a4f2 Joel Becker 2007-06-19 757 if (!local_node) {
> > 16c6a4f2 Joel Becker 2007-06-19 758 ret = -EINVAL;
> > 16c6a4f2 Joel Becker 2007-06-19 759 goto out;
> > 16c6a4f2 Joel Becker 2007-06-19 760 }
> > 16c6a4f2 Joel Becker 2007-06-19 761
> > 16c6a4f2 Joel Becker 2007-06-19 762 ret =
> > o2nm_depend_item(&local_node->nd_item);
> > 16c6a4f2 Joel Becker 2007-06-19 763 o2nm_node_put(local_node);
> > 16c6a4f2 Joel Becker 2007-06-19 764
> > 16c6a4f2 Joel Becker 2007-06-19 765 out:
> > 16c6a4f2 Joel Becker 2007-06-19 766 return ret;
> > 16c6a4f2 Joel Becker 2007-06-19 767 }
> > 16c6a4f2 Joel Becker 2007-06-19 768
> > 16c6a4f2 Joel Becker 2007-06-19 769 void o2nm_undepend_this_node(void)
> > 16c6a4f2 Joel Becker 2007-06-19 770 {
> > 16c6a4f2 Joel Becker 2007-06-19 771 struct o2nm_node *local_node;
> > 16c6a4f2 Joel Becker 2007-06-19 772
> > 16c6a4f2 Joel Becker 2007-06-19 773 local_node =
> > o2nm_get_node_by_num(o2nm_this_node());
> > 16c6a4f2 Joel Becker 2007-06-19 774 BUG_ON(!local_node);
> > 16c6a4f2 Joel Becker 2007-06-19 775
> > 16c6a4f2 Joel Becker 2007-06-19 776
> > o2nm_undepend_item(&local_node->nd_item);
> > 16c6a4f2 Joel Becker 2007-06-19 777 o2nm_node_put(local_node);
> > 16c6a4f2 Joel Becker 2007-06-19 778 }
> > 16c6a4f2 Joel Becker 2007-06-19 779
> > 16c6a4f2 Joel Becker 2007-06-19 780
> > 0c83ed8e Kurt Hackel 2005-12-15 781 static void __exit exit_o2nm(void)
> > 0c83ed8e Kurt Hackel 2005-12-15 782 {
> > 0c83ed8e Kurt Hackel 2005-12-15 783 /* XXX sync with hb callbacks and
> > shut down hb? */
> > 0c83ed8e Kurt Hackel 2005-12-15 784 o2net_unregister_hb_callbacks();
> > 0c83ed8e Kurt Hackel 2005-12-15 785
> > configfs_unregister_subsystem(&o2nm_cluster_group.cs_subsys);
> > 0c83ed8e Kurt Hackel 2005-12-15 786 o2cb_sys_shutdown();
> > 0c83ed8e Kurt Hackel 2005-12-15 787
> > 0c83ed8e Kurt Hackel 2005-12-15 788 o2net_exit();
> > 87d3d3f3 Sunil Mushran 2008-12-17 789 o2hb_exit();
> > 0c83ed8e Kurt Hackel 2005-12-15 790 }
> > 0c83ed8e Kurt Hackel 2005-12-15 791
> > 0c83ed8e Kurt Hackel 2005-12-15 792 static int __init init_o2nm(void)
> > 0c83ed8e Kurt Hackel 2005-12-15 793 {
> > 0c83ed8e Kurt Hackel 2005-12-15 794 int ret = -1;
> > 0c83ed8e Kurt Hackel 2005-12-15 795
> > 87d3d3f3 Sunil Mushran 2008-12-17 796 ret = o2hb_init();
> > 87d3d3f3 Sunil Mushran 2008-12-17 797 if (ret)
> > 87d3d3f3 Sunil Mushran 2008-12-17 798 goto out;
> > 2309e9e0 Sunil Mushran 2008-04-14 799
> > 2309e9e0 Sunil Mushran 2008-04-14 800 ret = o2net_init();
> > 2309e9e0 Sunil Mushran 2008-04-14 801 if (ret)
> > 87d3d3f3 Sunil Mushran 2008-12-17 802 goto out_o2hb;
> > 0c83ed8e Kurt Hackel 2005-12-15 803
> > 0c83ed8e Kurt Hackel 2005-12-15 804 ret =
> > o2net_register_hb_callbacks();
> > 0c83ed8e Kurt Hackel 2005-12-15 805 if (ret)
> > 3878f110 Joel Becker 2008-05-30 806 goto out_o2net;
> > 0c83ed8e Kurt Hackel 2005-12-15 807
> > 0c83ed8e Kurt Hackel 2005-12-15 808
> > config_group_init(&o2nm_cluster_group.cs_subsys.su_group);
> > e6bd07ae Joel Becker 2007-07-06 @809
> > mutex_init(&o2nm_cluster_group.cs_subsys.su_mutex);
> > 0c83ed8e Kurt Hackel 2005-12-15 810 ret =
> > configfs_register_subsystem(&o2nm_cluster_group.cs_subsys);
> > 0c83ed8e Kurt Hackel 2005-12-15 811 if (ret) {
> > 0c83ed8e Kurt Hackel 2005-12-15 812 printk(KERN_ERR "nodemanager:
> > Registration returned %d\n", ret);
> > 0c83ed8e Kurt Hackel 2005-12-15 813 goto out_callbacks;
> > 0c83ed8e Kurt Hackel 2005-12-15 814 }
> > 0c83ed8e Kurt Hackel 2005-12-15 815
> > 0c83ed8e Kurt Hackel 2005-12-15 816 ret = o2cb_sys_init();
> > 0c83ed8e Kurt Hackel 2005-12-15 817 if (!ret)
> > 0c83ed8e Kurt Hackel 2005-12-15 818 goto out;
> > 0c83ed8e Kurt Hackel 2005-12-15 819
> > 0c83ed8e Kurt Hackel 2005-12-15 820
> > configfs_unregister_subsystem(&o2nm_cluster_group.cs_subsys);
> > 0c83ed8e Kurt Hackel 2005-12-15 821 out_callbacks:
> > 0c83ed8e Kurt Hackel 2005-12-15 822 o2net_unregister_hb_callbacks();
> > 895928b8 Jeff Mahoney 2006-02-21 823 out_o2net:
> > 895928b8 Jeff Mahoney 2006-02-21 824 o2net_exit();
> > 87d3d3f3 Sunil Mushran 2008-12-17 825 out_o2hb:
> > 87d3d3f3 Sunil Mushran 2008-12-17 826 o2hb_exit();
> > 0c83ed8e Kurt Hackel 2005-12-15 827 out:
> > 0c83ed8e Kurt Hackel 2005-12-15 828 return ret;
> > 0c83ed8e Kurt Hackel 2005-12-15 829 }
> > 0c83ed8e Kurt Hackel 2005-12-15 830
> >
> > :::::: The code at line 809 was first introduced by commit
> > :::::: e6bd07aee739566803425acdbf5cdb29919164e1 configfs: Convert subsystem
> > semaphore to mutex
> >
> > :::::: TO: Joel Becker <joel.becker@...cle.com>
> > :::::: CC: Mark Fasheh <mark.fasheh@...cle.com>
> >
> > ---
> > 0-DAY kernel test infrastructure Open Source Technology Center
> > https://urldefense.proofpoint.com/v2/url?u=https-3A__lists.01.org_pipermail_k
> > build-2Dall&d=DwIBAg&c=RoP1YumCXCgaWHvlZYR8PQcxBKCX5YTpkKY057SbK10&r=f4ohdmGrYxZe
> > jY77yzx3eNgTHb1ZAfZytktjHqNVzc8&m=8Ca3nktkbfrjbR5Spv4mvmdj2s377WohnG6h6z1WB7E&s
> > =nLlW0xEmimMcnOene83E4zhz60ab1-1iXKtP_w_e8cQ&e= Intel
> > Corporation
>
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