From: kernel test robot <lkp@intel.com>
To: Jens Axboe <axboe@kernel.dk>
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev
Subject: [axboe-block:rw_iter 11/14] kernel/panic.c:757:1: error: use of undeclared identifier 'debugfs_attr_read_iter'; did you mean 'debugfs_attr_read'?
Date: Thu, 4 Apr 2024 09:06:00 +0800 [thread overview]
Message-ID: <202404040851.yUb7lBNV-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git rw_iter
head: 1c5b8f0f389d0dbf8dcba694d17e2915059b8043
commit: e70895a95ab70c8ce8c28b7358dcbe587ce7b834 [11/14] libfs: switch to read iter and add copy helpers
config: arm-allnoconfig (https://download.01.org/0day-ci/archive/20240404/202404040851.yUb7lBNV-lkp@intel.com/config)
compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project 546dc2245ffc4cccd0b05b58b7a5955e355a3b27)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240404/202404040851.yUb7lBNV-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202404040851.yUb7lBNV-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from kernel/panic.c:15:
In file included from include/linux/kgdb.h:19:
In file included from include/linux/kprobes.h:28:
In file included from include/linux/ftrace.h:13:
In file included from include/linux/kallsyms.h:13:
In file included from include/linux/mm.h:2208:
include/linux/vmstat.h:522:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
522 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
| ~~~~~~~~~~~ ^ ~~~
>> kernel/panic.c:757:1: error: use of undeclared identifier 'debugfs_attr_read_iter'; did you mean 'debugfs_attr_read'?
757 | DEFINE_DEBUGFS_ATTRIBUTE(clear_warn_once_fops, NULL, clear_warn_once_set,
| ^
include/linux/debugfs.h:64:2: note: expanded from macro 'DEFINE_DEBUGFS_ATTRIBUTE'
64 | DEFINE_DEBUGFS_ATTRIBUTE_XSIGNED(__fops, __get, __set, __fmt, false)
| ^
include/linux/debugfs.h:58:15: note: expanded from macro 'DEFINE_DEBUGFS_ATTRIBUTE_XSIGNED'
58 | .read_iter = debugfs_attr_read_iter, \
| ^
include/linux/debugfs.h:271:23: note: 'debugfs_attr_read' declared here
271 | static inline ssize_t debugfs_attr_read(struct file *file, char __user *buf,
| ^
>> kernel/panic.c:757:1: error: use of undeclared identifier 'debugfs_attr_write_iter_signed'; did you mean 'debugfs_attr_write_signed'?
757 | DEFINE_DEBUGFS_ATTRIBUTE(clear_warn_once_fops, NULL, clear_warn_once_set,
| ^
include/linux/debugfs.h:64:2: note: expanded from macro 'DEFINE_DEBUGFS_ATTRIBUTE'
64 | DEFINE_DEBUGFS_ATTRIBUTE_XSIGNED(__fops, __get, __set, __fmt, false)
| ^
include/linux/debugfs.h:59:31: note: expanded from macro 'DEFINE_DEBUGFS_ATTRIBUTE_XSIGNED'
59 | .write_iter= (__is_signed) ? debugfs_attr_write_iter_signed : debugfs_attr_write_iter, \
| ^
include/linux/debugfs.h:284:23: note: 'debugfs_attr_write_signed' declared here
284 | static inline ssize_t debugfs_attr_write_signed(struct file *file,
| ^
>> kernel/panic.c:757:1: error: use of undeclared identifier 'debugfs_attr_write_iter'; did you mean 'debugfs_attr_write_signed'?
757 | DEFINE_DEBUGFS_ATTRIBUTE(clear_warn_once_fops, NULL, clear_warn_once_set,
| ^
include/linux/debugfs.h:64:2: note: expanded from macro 'DEFINE_DEBUGFS_ATTRIBUTE'
64 | DEFINE_DEBUGFS_ATTRIBUTE_XSIGNED(__fops, __get, __set, __fmt, false)
| ^
include/linux/debugfs.h:59:64: note: expanded from macro 'DEFINE_DEBUGFS_ATTRIBUTE_XSIGNED'
59 | .write_iter= (__is_signed) ? debugfs_attr_write_iter_signed : debugfs_attr_write_iter, \
| ^
include/linux/debugfs.h:284:23: note: 'debugfs_attr_write_signed' declared here
284 | static inline ssize_t debugfs_attr_write_signed(struct file *file,
| ^
>> kernel/panic.c:757:1: error: incompatible function pointer types initializing 'ssize_t (*)(struct kiocb *, struct iov_iter *)' (aka 'int (*)(struct kiocb *, struct iov_iter *)') with an expression of type 'ssize_t (struct file *, char *, size_t, loff_t *)' (aka 'int (struct file *, char *, unsigned int, long long *)') [-Wincompatible-function-pointer-types]
757 | DEFINE_DEBUGFS_ATTRIBUTE(clear_warn_once_fops, NULL, clear_warn_once_set,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
758 | "%lld\n");
| ~~~~~~~~~
include/linux/debugfs.h:64:2: note: expanded from macro 'DEFINE_DEBUGFS_ATTRIBUTE'
64 | DEFINE_DEBUGFS_ATTRIBUTE_XSIGNED(__fops, __get, __set, __fmt, false)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/debugfs.h:58:15: note: expanded from macro 'DEFINE_DEBUGFS_ATTRIBUTE_XSIGNED'
58 | .read_iter = debugfs_attr_read_iter, \
| ^~~~~~~~~~~~~~~~~~~~~~
>> kernel/panic.c:757:1: error: incompatible function pointer types initializing 'ssize_t (*)(struct kiocb *, struct iov_iter *)' (aka 'int (*)(struct kiocb *, struct iov_iter *)') with an expression of type 'ssize_t (*)(struct file *, const char *, size_t, loff_t *)' (aka 'int (*)(struct file *, const char *, unsigned int, long long *)') [-Wincompatible-function-pointer-types]
757 | DEFINE_DEBUGFS_ATTRIBUTE(clear_warn_once_fops, NULL, clear_warn_once_set,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
758 | "%lld\n");
| ~~~~~~~~~
include/linux/debugfs.h:64:2: note: expanded from macro 'DEFINE_DEBUGFS_ATTRIBUTE'
64 | DEFINE_DEBUGFS_ATTRIBUTE_XSIGNED(__fops, __get, __set, __fmt, false)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/debugfs.h:59:15: note: expanded from macro 'DEFINE_DEBUGFS_ATTRIBUTE_XSIGNED'
59 | .write_iter= (__is_signed) ? debugfs_attr_write_iter_signed : debugfs_attr_write_iter, \
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1 warning and 5 errors generated.
vim +757 kernel/panic.c
b1fca27d384e84 Andi Kleen 2017-11-17 756
4169680e9f7cdb YueHaibing 2019-03-07 @757 DEFINE_DEBUGFS_ATTRIBUTE(clear_warn_once_fops, NULL, clear_warn_once_set,
b1fca27d384e84 Andi Kleen 2017-11-17 758 "%lld\n");
b1fca27d384e84 Andi Kleen 2017-11-17 759
:::::: The code at line 757 was first introduced by commit
:::::: 4169680e9f7cdbf893f8885611b3235aeda94224 kernel/panic.c: taint: fix debugfs_simple_attr.cocci warnings
:::::: TO: YueHaibing <yuehaibing@huawei.com>
:::::: CC: Linus Torvalds <torvalds@linux-foundation.org>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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