linux-ext4 - [ext4:dev 16/17] fs/ext4/ioctl.c:399:26: error: implicit declaration of function 'dqget'

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Date:	Sun, 3 Jan 2016 11:01:35 +0800
From:	kbuild test robot <fengguang.wu@...el.com>
To:	Li Xi <pkuelelixi@...il.com>
Cc:	kbuild-all@...org, linux-ext4@...r.kernel.org,
	Theodore Ts'o <tytso@....edu>,
	Andreas Dilger <adilger@...ger.ca>, Jan Kara <jack@...e.cz>
Subject: [ext4:dev 16/17] fs/ext4/ioctl.c:399:26: error: implicit declaration
 of function 'dqget'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git dev
head:   6ac40c7b5597646ec4335f77ab79cac9663f4a1e
commit: 92a86644738b2df2eba26acadd4b35a2e2e2bcbc [16/17] ext4: add FS_IOC_FSSETXATTR/FS_IOC_FSGETXATTR interface support
config: x86_64-randconfig-x015-201601 (attached as .config)
reproduce:
        git checkout 92a86644738b2df2eba26acadd4b35a2e2e2bcbc
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All error/warnings (new ones prefixed by >>):

   fs/ext4/ioctl.c: In function 'ext4_ioctl_setproject':
>> fs/ext4/ioctl.c:399:26: error: implicit declaration of function 'dqget' [-Werror=implicit-function-declaration]
     transfer_to[PRJQUOTA] = dqget(sb, make_kqid_projid(kprojid));
                             ^
>> fs/ext4/ioctl.c:399:24: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
     transfer_to[PRJQUOTA] = dqget(sb, make_kqid_projid(kprojid));
                           ^
>> fs/ext4/ioctl.c:401:9: error: implicit declaration of function '__dquot_transfer' [-Werror=implicit-function-declaration]
      err = __dquot_transfer(inode, transfer_to);
            ^
>> fs/ext4/ioctl.c:402:3: error: implicit declaration of function 'dqput' [-Werror=implicit-function-declaration]
      dqput(transfer_to[PRJQUOTA]);
      ^
   cc1: some warnings being treated as errors

vim +/dqget +399 fs/ext4/ioctl.c

   393		}
   394	
   395		err = ext4_reserve_inode_write(handle, inode, &iloc);
   396		if (err)
   397			goto out_stop;
   398	
 > 399		transfer_to[PRJQUOTA] = dqget(sb, make_kqid_projid(kprojid));
   400		if (transfer_to[PRJQUOTA]) {
 > 401			err = __dquot_transfer(inode, transfer_to);
 > 402			dqput(transfer_to[PRJQUOTA]);
   403			if (err)
   404				goto out_dirty;
   405		}

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