Re: [PATCH v2 1/3] iomap: pass blocksize to iomap_truncate_page()
From: kernel test robot
Date: Thu May 16 2024 - 19:05:08 EST
Hi Zhang,
kernel test robot noticed the following build warnings:
[auto build test WARNING on brauner-vfs/vfs.all]
[also build test WARNING on linus/master v6.9 next-20240516]
[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#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Zhang-Yi/iomap-pass-blocksize-to-iomap_truncate_page/20240516-154238
base: https://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs.git vfs.all
patch link: https://lore.kernel.org/r/20240516073001.1066373-2-yi.zhang%40huaweicloud.com
patch subject: [PATCH v2 1/3] iomap: pass blocksize to iomap_truncate_page()
config: arm-randconfig-r111-20240517 (https://download.01.org/0day-ci/archive/20240517/202405170624.liC4qYj3-lkp@xxxxxxxxx/config)
compiler: arm-linux-gnueabi-gcc (GCC) 13.2.0
reproduce: (https://download.01.org/0day-ci/archive/20240517/202405170624.liC4qYj3-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202405170624.liC4qYj3-lkp@xxxxxxxxx/
sparse warnings: (new ones prefixed by >>)
>> fs/iomap/buffered-io.c:1453:28: sparse: sparse: incompatible types in comparison expression (different signedness):
fs/iomap/buffered-io.c:1453:28: sparse: long long *
fs/iomap/buffered-io.c:1453:28: sparse: unsigned long long [usertype] *
vim +1453 fs/iomap/buffered-io.c
1446
1447 int
1448 iomap_truncate_page(struct inode *inode, loff_t pos, unsigned int blocksize,
1449 bool *did_zero, const struct iomap_ops *ops)
1450 {
1451 loff_t start = pos;
1452 unsigned int off = is_power_of_2(blocksize) ? (pos & (blocksize - 1)) :
> 1453 do_div(pos, blocksize);
1454
1455 /* Block boundary? Nothing to do */
1456 if (!off)
1457 return 0;
1458 return iomap_zero_range(inode, start, blocksize - off, did_zero, ops);
1459 }
1460 EXPORT_SYMBOL_GPL(iomap_truncate_page);
1461
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