Re: [PATCH] fs: inode: use queue_rcu_work() instead of call_rcu()

From: kernel test robot
Date: Fri Oct 15 2021 - 09:54:54 EST


Hi Zqiang,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v5.15-rc5 next-20211015]
[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/Zqiang/fs-inode-use-queue_rcu_work-instead-of-call_rcu/20211015-160455
base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git ec681c53f8d2d0ee362ff67f5b98dd8263c15002
config: arc-randconfig-r043-20211014 (attached as .config)
compiler: arceb-elf-gcc (GCC) 11.2.0
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/2294caaec521b45bdc9db96423fe51762e47afd0
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Zqiang/fs-inode-use-queue_rcu_work-instead-of-call_rcu/20211015-160455
git checkout 2294caaec521b45bdc9db96423fe51762e47afd0
# save the attached .config to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arc SHELL=/bin/bash fs/ntfs3/ fs/xfs/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

In file included from <command-line>:
fs/ntfs3/super.c: In function 'ntfs_i_callback':
>> include/linux/kernel.h:495:58: error: 'struct inode' has no member named 'i_rcu'
495 | BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
| ^~
include/linux/compiler_types.h:302:23: note: in definition of macro '__compiletime_assert'
302 | if (!(condition)) \
| ^~~~~~~~~
include/linux/compiler_types.h:322:9: note: in expansion of macro '_compiletime_assert'
322 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
| ^~~~~~~~~~~~~~~~~~
include/linux/kernel.h:495:9: note: in expansion of macro 'BUILD_BUG_ON_MSG'
495 | BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
| ^~~~~~~~~~~~~~~~
include/linux/kernel.h:495:27: note: in expansion of macro '__same_type'
495 | BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
| ^~~~~~~~~~~
fs/ntfs3/super.c:458:31: note: in expansion of macro 'container_of'
458 | struct inode *inode = container_of(head, struct inode, i_rcu);
| ^~~~~~~~~~~~
>> include/linux/compiler_types.h:140:41: error: 'struct inode' has no member named 'i_rcu'
140 | #define __compiler_offsetof(a, b) __builtin_offsetof(a, b)
| ^~~~~~~~~~~~~~~~~~
include/linux/stddef.h:17:33: note: in expansion of macro '__compiler_offsetof'
17 | #define offsetof(TYPE, MEMBER) __compiler_offsetof(TYPE, MEMBER)
| ^~~~~~~~~~~~~~~~~~~
include/linux/kernel.h:498:28: note: in expansion of macro 'offsetof'
498 | ((type *)(__mptr - offsetof(type, member))); })
| ^~~~~~~~
fs/ntfs3/super.c:458:31: note: in expansion of macro 'container_of'
458 | struct inode *inode = container_of(head, struct inode, i_rcu);
| ^~~~~~~~~~~~
fs/ntfs3/super.c: In function 'ntfs_destroy_inode':
>> fs/ntfs3/super.c:468:24: error: 'struct inode' has no member named 'i_rcu'
468 | call_rcu(&inode->i_rcu, ntfs_i_callback);
| ^~
--
In file included from <command-line>:
fs/xfs/xfs_icache.c: In function 'xfs_inode_free_callback':
>> include/linux/kernel.h:495:58: error: 'struct inode' has no member named 'i_rcu'
495 | BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
| ^~
include/linux/compiler_types.h:302:23: note: in definition of macro '__compiletime_assert'
302 | if (!(condition)) \
| ^~~~~~~~~
include/linux/compiler_types.h:322:9: note: in expansion of macro '_compiletime_assert'
322 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
| ^~~~~~~~~~~~~~~~~~
include/linux/kernel.h:495:9: note: in expansion of macro 'BUILD_BUG_ON_MSG'
495 | BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
| ^~~~~~~~~~~~~~~~
include/linux/kernel.h:495:27: note: in expansion of macro '__same_type'
495 | BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
| ^~~~~~~~~~~
fs/xfs/xfs_icache.c:120:42: note: in expansion of macro 'container_of'
120 | struct inode *inode = container_of(head, struct inode, i_rcu);
| ^~~~~~~~~~~~
>> include/linux/compiler_types.h:140:41: error: 'struct inode' has no member named 'i_rcu'
140 | #define __compiler_offsetof(a, b) __builtin_offsetof(a, b)
| ^~~~~~~~~~~~~~~~~~
include/linux/stddef.h:17:33: note: in expansion of macro '__compiler_offsetof'
17 | #define offsetof(TYPE, MEMBER) __compiler_offsetof(TYPE, MEMBER)
| ^~~~~~~~~~~~~~~~~~~
include/linux/kernel.h:498:28: note: in expansion of macro 'offsetof'
498 | ((type *)(__mptr - offsetof(type, member))); })
| ^~~~~~~~
fs/xfs/xfs_icache.c:120:42: note: in expansion of macro 'container_of'
120 | struct inode *inode = container_of(head, struct inode, i_rcu);
| ^~~~~~~~~~~~
fs/xfs/xfs_icache.c: In function '__xfs_inode_free':
>> fs/xfs/xfs_icache.c:158:28: error: 'struct inode' has no member named 'i_rcu'
158 | call_rcu(&VFS_I(ip)->i_rcu, xfs_inode_free_callback);
| ^~


vim +495 include/linux/kernel.h

cf14f27f82af78 Alexei Starovoitov 2018-03-28 485
^1da177e4c3f41 Linus Torvalds 2005-04-16 486 /**
^1da177e4c3f41 Linus Torvalds 2005-04-16 487 * container_of - cast a member of a structure out to the containing structure
^1da177e4c3f41 Linus Torvalds 2005-04-16 488 * @ptr: the pointer to the member.
^1da177e4c3f41 Linus Torvalds 2005-04-16 489 * @type: the type of the container struct this is embedded in.
^1da177e4c3f41 Linus Torvalds 2005-04-16 490 * @member: the name of the member within the struct.
^1da177e4c3f41 Linus Torvalds 2005-04-16 491 *
^1da177e4c3f41 Linus Torvalds 2005-04-16 492 */
^1da177e4c3f41 Linus Torvalds 2005-04-16 493 #define container_of(ptr, type, member) ({ \
c7acec713d14c6 Ian Abbott 2017-07-12 494 void *__mptr = (void *)(ptr); \
c7acec713d14c6 Ian Abbott 2017-07-12 @495 BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
c7acec713d14c6 Ian Abbott 2017-07-12 496 !__same_type(*(ptr), void), \
c7acec713d14c6 Ian Abbott 2017-07-12 497 "pointer type mismatch in container_of()"); \
c7acec713d14c6 Ian Abbott 2017-07-12 498 ((type *)(__mptr - offsetof(type, member))); })
^1da177e4c3f41 Linus Torvalds 2005-04-16 499

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