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Date:   Sat, 6 Nov 2021 11:02:33 +0800
From:   kernel test robot <lkp@...el.com>
To:     Sarthak Kukreti <sarthakkukreti@...omium.org>,
        Theodore Ts'o <tytso@....edu>,
        Andreas Dilger <adilger.kernel@...ger.ca>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-ext4@...r.kernel.org, linux-kernel@...r.kernel.org,
        Gwendal Grignou <gwendal@...omium.org>,
        Sarthak Kukreti <sarthakkukreti@...omium.org>
Subject: Re: [PATCH] ext4: Add xattr commands to compat ioctl handler

Hi Sarthak,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on tytso-ext4/dev]
[also build test ERROR on v5.15 next-20211105]
[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/Sarthak-Kukreti/ext4-Add-xattr-commands-to-compat-ioctl-handler/20210929-170204
base:   https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git dev
config: x86_64-randconfig-a014-20210929 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project dc6e8dfdfe7efecfda318d43a06fae18b40eb498)
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/77441a0a6a03c9cd99a43a342217ec6d3e7fc1ea
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Sarthak-Kukreti/ext4-Add-xattr-commands-to-compat-ioctl-handler/20210929-170204
        git checkout 77441a0a6a03c9cd99a43a342217ec6d3e7fc1ea
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash fs/

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 >>):

>> fs/ext4/ioctl.c:1328:7: error: use of undeclared identifier 'EXT4_IOC_FSGETXATTR'
           case EXT4_IOC_FSGETXATTR:
                ^
>> fs/ext4/ioctl.c:1329:7: error: use of undeclared identifier 'EXT4_IOC_FSSETXATTR'
           case EXT4_IOC_FSSETXATTR:
                ^
   2 errors generated.


vim +/EXT4_IOC_FSGETXATTR +1328 fs/ext4/ioctl.c

  1284	
  1285	#ifdef CONFIG_COMPAT
  1286	long ext4_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
  1287	{
  1288		/* These are just misnamed, they actually get/put from/to user an int */
  1289		switch (cmd) {
  1290		case EXT4_IOC32_GETVERSION:
  1291			cmd = EXT4_IOC_GETVERSION;
  1292			break;
  1293		case EXT4_IOC32_SETVERSION:
  1294			cmd = EXT4_IOC_SETVERSION;
  1295			break;
  1296		case EXT4_IOC32_GROUP_EXTEND:
  1297			cmd = EXT4_IOC_GROUP_EXTEND;
  1298			break;
  1299		case EXT4_IOC32_GETVERSION_OLD:
  1300			cmd = EXT4_IOC_GETVERSION_OLD;
  1301			break;
  1302		case EXT4_IOC32_SETVERSION_OLD:
  1303			cmd = EXT4_IOC_SETVERSION_OLD;
  1304			break;
  1305		case EXT4_IOC32_GETRSVSZ:
  1306			cmd = EXT4_IOC_GETRSVSZ;
  1307			break;
  1308		case EXT4_IOC32_SETRSVSZ:
  1309			cmd = EXT4_IOC_SETRSVSZ;
  1310			break;
  1311		case EXT4_IOC32_GROUP_ADD: {
  1312			struct compat_ext4_new_group_input __user *uinput;
  1313			struct ext4_new_group_data input;
  1314			int err;
  1315	
  1316			uinput = compat_ptr(arg);
  1317			err = get_user(input.group, &uinput->group);
  1318			err |= get_user(input.block_bitmap, &uinput->block_bitmap);
  1319			err |= get_user(input.inode_bitmap, &uinput->inode_bitmap);
  1320			err |= get_user(input.inode_table, &uinput->inode_table);
  1321			err |= get_user(input.blocks_count, &uinput->blocks_count);
  1322			err |= get_user(input.reserved_blocks,
  1323					&uinput->reserved_blocks);
  1324			if (err)
  1325				return -EFAULT;
  1326			return ext4_ioctl_group_add(file, &input);
  1327		}
> 1328		case EXT4_IOC_FSGETXATTR:
> 1329		case EXT4_IOC_FSSETXATTR:

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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