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Message-ID: <202106300851.YueoePZh-lkp@intel.com>
Date: Wed, 30 Jun 2021 08:10:45 +0800
From: kernel test robot <lkp@...el.com>
To: Gabriel Krisman Bertazi <krisman@...labora.com>, amir73il@...il.com
Cc: kbuild-all@...ts.01.org, djwong@...nel.org, tytso@....edu,
david@...morbit.com, jack@...e.com, dhowells@...hat.com,
khazhy@...gle.com, linux-fsdevel@...r.kernel.org,
linux-ext4@...r.kernel.org, kernel@...labora.com
Subject: Re: [PATCH v3 07/15] fsnotify: pass arguments of fsnotify() in
struct fsnotify_event_info
Hi Gabriel,
I love your patch! Yet something to improve:
[auto build test ERROR on ext3/fsnotify]
[also build test ERROR on ext4/dev linus/master v5.13 next-20210629]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url: https://github.com/0day-ci/linux/commits/Gabriel-Krisman-Bertazi/File-system-wide-monitoring/20210630-031347
base: https://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs.git fsnotify
config: nios2-defconfig (attached as .config)
compiler: nios2-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/0day-ci/linux/commit/dca640915c7b840656b052e138effd501bd5d5e1
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Gabriel-Krisman-Bertazi/File-system-wide-monitoring/20210630-031347
git checkout dca640915c7b840656b052e138effd501bd5d5e1
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=nios2
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
In file included from fs/kernfs/file.c:16:
include/linux/fsnotify.h: In function 'fsnotify_name':
include/linux/fsnotify.h:33:2: error: implicit declaration of function '__fsnotify'; did you mean 'fsnotify'? [-Werror=implicit-function-declaration]
33 | __fsnotify(mask, &(struct fsnotify_event_info) {
| ^~~~~~~~~~
| fsnotify
fs/kernfs/file.c: In function 'kernfs_notify_workfn':
>> fs/kernfs/file.c:887:7: error: passing argument 2 of 'fsnotify' from incompatible pointer type [-Werror=incompatible-pointer-types]
887 | inode, FSNOTIFY_EVENT_INODE,
| ^~~~~
| |
| struct inode *
In file included from include/linux/fsnotify.h:15,
from fs/kernfs/file.c:16:
include/linux/fsnotify_backend.h:636:41: note: expected 'const struct fsnotify_event_info *' but argument is of type 'struct inode *'
636 | const struct fsnotify_event_info *event_info)
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~
>> fs/kernfs/file.c:886:5: error: too many arguments to function 'fsnotify'
886 | fsnotify(FS_MODIFY | FS_EVENT_ON_CHILD,
| ^~~~~~~~
In file included from include/linux/fsnotify.h:15,
from fs/kernfs/file.c:16:
include/linux/fsnotify_backend.h:635:19: note: declared here
635 | static inline int fsnotify(__u32 mask,
| ^~~~~~~~
cc1: some warnings being treated as errors
vim +/fsnotify +887 fs/kernfs/file.c
414985ae23c031 Tejun Heo 2013-11-28 845
ecca47ce829484 Tejun Heo 2014-07-01 846 static void kernfs_notify_workfn(struct work_struct *work)
414985ae23c031 Tejun Heo 2013-11-28 847 {
ecca47ce829484 Tejun Heo 2014-07-01 848 struct kernfs_node *kn;
d911d98748018f Tejun Heo 2014-04-09 849 struct kernfs_super_info *info;
ecca47ce829484 Tejun Heo 2014-07-01 850 repeat:
ecca47ce829484 Tejun Heo 2014-07-01 851 /* pop one off the notify_list */
ecca47ce829484 Tejun Heo 2014-07-01 852 spin_lock_irq(&kernfs_notify_lock);
ecca47ce829484 Tejun Heo 2014-07-01 853 kn = kernfs_notify_list;
ecca47ce829484 Tejun Heo 2014-07-01 854 if (kn == KERNFS_NOTIFY_EOL) {
ecca47ce829484 Tejun Heo 2014-07-01 855 spin_unlock_irq(&kernfs_notify_lock);
d911d98748018f Tejun Heo 2014-04-09 856 return;
ecca47ce829484 Tejun Heo 2014-07-01 857 }
ecca47ce829484 Tejun Heo 2014-07-01 858 kernfs_notify_list = kn->attr.notify_next;
ecca47ce829484 Tejun Heo 2014-07-01 859 kn->attr.notify_next = NULL;
ecca47ce829484 Tejun Heo 2014-07-01 860 spin_unlock_irq(&kernfs_notify_lock);
d911d98748018f Tejun Heo 2014-04-09 861
d911d98748018f Tejun Heo 2014-04-09 862 /* kick fsnotify */
d911d98748018f Tejun Heo 2014-04-09 863 mutex_lock(&kernfs_mutex);
d911d98748018f Tejun Heo 2014-04-09 864
ecca47ce829484 Tejun Heo 2014-07-01 865 list_for_each_entry(info, &kernfs_root(kn)->supers, node) {
df6a58c5c5aa8e Tejun Heo 2016-06-17 866 struct kernfs_node *parent;
497b0c5a7c0688 Amir Goldstein 2020-07-16 867 struct inode *p_inode = NULL;
d911d98748018f Tejun Heo 2014-04-09 868 struct inode *inode;
25b229dff4ffff Al Viro 2019-04-26 869 struct qstr name;
d911d98748018f Tejun Heo 2014-04-09 870
df6a58c5c5aa8e Tejun Heo 2016-06-17 871 /*
df6a58c5c5aa8e Tejun Heo 2016-06-17 872 * We want fsnotify_modify() on @kn but as the
df6a58c5c5aa8e Tejun Heo 2016-06-17 873 * modifications aren't originating from userland don't
df6a58c5c5aa8e Tejun Heo 2016-06-17 874 * have the matching @file available. Look up the inodes
df6a58c5c5aa8e Tejun Heo 2016-06-17 875 * and generate the events manually.
df6a58c5c5aa8e Tejun Heo 2016-06-17 876 */
67c0496e87d193 Tejun Heo 2019-11-04 877 inode = ilookup(info->sb, kernfs_ino(kn));
d911d98748018f Tejun Heo 2014-04-09 878 if (!inode)
d911d98748018f Tejun Heo 2014-04-09 879 continue;
d911d98748018f Tejun Heo 2014-04-09 880
25b229dff4ffff Al Viro 2019-04-26 881 name = (struct qstr)QSTR_INIT(kn->name, strlen(kn->name));
df6a58c5c5aa8e Tejun Heo 2016-06-17 882 parent = kernfs_get_parent(kn);
df6a58c5c5aa8e Tejun Heo 2016-06-17 883 if (parent) {
67c0496e87d193 Tejun Heo 2019-11-04 884 p_inode = ilookup(info->sb, kernfs_ino(parent));
df6a58c5c5aa8e Tejun Heo 2016-06-17 885 if (p_inode) {
40a100d3adc1ad Amir Goldstein 2020-07-22 @886 fsnotify(FS_MODIFY | FS_EVENT_ON_CHILD,
40a100d3adc1ad Amir Goldstein 2020-07-22 @887 inode, FSNOTIFY_EVENT_INODE,
40a100d3adc1ad Amir Goldstein 2020-07-22 888 p_inode, &name, inode, 0);
df6a58c5c5aa8e Tejun Heo 2016-06-17 889 iput(p_inode);
d911d98748018f Tejun Heo 2014-04-09 890 }
d911d98748018f Tejun Heo 2014-04-09 891
df6a58c5c5aa8e Tejun Heo 2016-06-17 892 kernfs_put(parent);
df6a58c5c5aa8e Tejun Heo 2016-06-17 893 }
df6a58c5c5aa8e Tejun Heo 2016-06-17 894
82ace1efb3cb1d Amir Goldstein 2020-07-22 895 if (!p_inode)
82ace1efb3cb1d Amir Goldstein 2020-07-22 896 fsnotify_inode(inode, FS_MODIFY);
497b0c5a7c0688 Amir Goldstein 2020-07-16 897
d911d98748018f Tejun Heo 2014-04-09 898 iput(inode);
d911d98748018f Tejun Heo 2014-04-09 899 }
d911d98748018f Tejun Heo 2014-04-09 900
d911d98748018f Tejun Heo 2014-04-09 901 mutex_unlock(&kernfs_mutex);
ecca47ce829484 Tejun Heo 2014-07-01 902 kernfs_put(kn);
ecca47ce829484 Tejun Heo 2014-07-01 903 goto repeat;
ecca47ce829484 Tejun Heo 2014-07-01 904 }
ecca47ce829484 Tejun Heo 2014-07-01 905
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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