* [mcgrof:20230322-deprecate-bdev_disk_changed 1/1] block/partitions/core.c:701:1: error: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int
@ 2023-03-23 4:00 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2023-03-23 4:00 UTC (permalink / raw)
To: Luis Chamberlain; +Cc: llvm, oe-kbuild-all
tree: https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux.git 20230322-deprecate-bdev_disk_changed
head: 64988d63873be8d60ab3ebb87c869cba3960116e
commit: 64988d63873be8d60ab3ebb87c869cba3960116e [1/1] block: annotate bdev_disk_changed() deprecation with a symbol namespace
config: arm-randconfig-r046-20230322 (https://download.01.org/0day-ci/archive/20230323/202303231125.zhFczwGo-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project 67409911353323ca5edf2049ef0df54132fa1ca7)
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
# install arm cross compiling tool for clang build
# apt-get install binutils-arm-linux-gnueabi
# https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux.git/commit/?id=64988d63873be8d60ab3ebb87c869cba3960116e
git remote add mcgrof https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux.git
git fetch --no-tags mcgrof 20230322-deprecate-bdev_disk_changed
git checkout 64988d63873be8d60ab3ebb87c869cba3960116e
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash block/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202303231125.zhFczwGo-lkp@intel.com/
All errors (new ones prefixed by >>):
>> block/partitions/core.c:701:1: error: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
EXPORT_SYMBOL_GPL_NS(bdev_disk_changed, BLOCK_DEPRECATED);
^
int
>> block/partitions/core.c:701:22: error: a parameter list without types is only allowed in a function definition
EXPORT_SYMBOL_GPL_NS(bdev_disk_changed, BLOCK_DEPRECATED);
^
2 errors generated.
vim +/int +701 block/partitions/core.c
654
655 int bdev_disk_changed(struct gendisk *disk, bool invalidate)
656 {
657 int ret = 0;
658
659 lockdep_assert_held(&disk->open_mutex);
660
661 if (!disk_live(disk))
662 return -ENXIO;
663
664 rescan:
665 if (disk->open_partitions)
666 return -EBUSY;
667 sync_blockdev(disk->part0);
668 invalidate_bdev(disk->part0);
669 blk_drop_partitions(disk);
670
671 clear_bit(GD_NEED_PART_SCAN, &disk->state);
672
673 /*
674 * Historically we only set the capacity to zero for devices that
675 * support partitions (independ of actually having partitions created).
676 * Doing that is rather inconsistent, but changing it broke legacy
677 * udisks polling for legacy ide-cdrom devices. Use the crude check
678 * below to get the sane behavior for most device while not breaking
679 * userspace for this particular setup.
680 */
681 if (invalidate) {
682 if (!(disk->flags & GENHD_FL_NO_PART) ||
683 !(disk->flags & GENHD_FL_REMOVABLE))
684 set_capacity(disk, 0);
685 }
686
687 if (get_capacity(disk)) {
688 ret = blk_add_partitions(disk);
689 if (ret == -EAGAIN)
690 goto rescan;
691 } else if (invalidate) {
692 /*
693 * Tell userspace that the media / partition table may have
694 * changed.
695 */
696 kobject_uevent(&disk_to_dev(disk)->kobj, KOBJ_CHANGE);
697 }
698
699 return ret;
700 }
> 701 EXPORT_SYMBOL_GPL_NS(bdev_disk_changed, BLOCK_DEPRECATED);
702
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests
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