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Message-ID: <202308171740.0u9DuWtr-lkp@intel.com>
Date: Thu, 17 Aug 2023 17:12:58 +0800
From: kernel test robot <lkp@...el.com>
To: Gabriel Krisman Bertazi <krisman@...e.de>, viro@...iv.linux.org.uk,
brauner@...nel.org, tytso@....edu, ebiggers@...nel.org,
jaegeuk@...nel.org
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
linux-fsdevel@...r.kernel.org, linux-ext4@...r.kernel.org,
linux-f2fs-devel@...ts.sourceforge.net,
Gabriel Krisman Bertazi <krisman@...e.de>
Subject: Re: [PATCH v5 04/10] fs: Expose name under lookup to d_revalidate
hooks
Hi Gabriel,
kernel test robot noticed the following build warnings:
[auto build test WARNING on tytso-ext4/dev]
[also build test WARNING on linus/master]
[cannot apply to tyhicks-ecryptfs/next ericvh-v9fs/for-next viro-vfs/for-next]
[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/Gabriel-Krisman-Bertazi/fs-Expose-helper-to-check-if-a-directory-needs-casefolding/20230812-084506
base: https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git dev
patch link: https://lore.kernel.org/r/20230812004146.30980-5-krisman%40suse.de
patch subject: [PATCH v5 04/10] fs: Expose name under lookup to d_revalidate hooks
config: x86_64-randconfig-x012-20230817 (https://download.01.org/0day-ci/archive/20230817/202308171740.0u9DuWtr-lkp@intel.com/config)
compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07)
reproduce: (https://download.01.org/0day-ci/archive/20230817/202308171740.0u9DuWtr-lkp@intel.com/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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202308171740.0u9DuWtr-lkp@intel.com/
All warnings (new ones prefixed by >>):
>> fs/ecryptfs/dentry.c:33: warning: Function parameter or member 'name' not described in 'ecryptfs_d_revalidate'
vim +33 fs/ecryptfs/dentry.c
237fead619984c Michael Halcrow 2006-10-04 17
237fead619984c Michael Halcrow 2006-10-04 18 /**
237fead619984c Michael Halcrow 2006-10-04 19 * ecryptfs_d_revalidate - revalidate an ecryptfs dentry
237fead619984c Michael Halcrow 2006-10-04 20 * @dentry: The ecryptfs dentry
0b728e1911cbe6 Al Viro 2012-06-10 21 * @flags: lookup flags
237fead619984c Michael Halcrow 2006-10-04 22 *
237fead619984c Michael Halcrow 2006-10-04 23 * Called when the VFS needs to revalidate a dentry. This
237fead619984c Michael Halcrow 2006-10-04 24 * is called whenever a name lookup finds a dentry in the
237fead619984c Michael Halcrow 2006-10-04 25 * dcache. Most filesystems leave this as NULL, because all their
237fead619984c Michael Halcrow 2006-10-04 26 * dentries in the dcache are valid.
237fead619984c Michael Halcrow 2006-10-04 27 *
237fead619984c Michael Halcrow 2006-10-04 28 * Returns 1 if valid, 0 otherwise.
237fead619984c Michael Halcrow 2006-10-04 29 *
237fead619984c Michael Halcrow 2006-10-04 30 */
0838ae103beaf6 Gabriel Krisman Bertazi 2023-08-11 31 static int ecryptfs_d_revalidate(struct dentry *dentry,
0838ae103beaf6 Gabriel Krisman Bertazi 2023-08-11 32 const struct qstr *name, unsigned int flags)
237fead619984c Michael Halcrow 2006-10-04 @33 {
2edbfbf1c1ab0a Al Viro 2013-09-15 34 struct dentry *lower_dentry = ecryptfs_dentry_to_lower(dentry);
5556e7e6d30e8e Tyler Hicks 2015-08-05 35 int rc = 1;
237fead619984c Michael Halcrow 2006-10-04 36
0b728e1911cbe6 Al Viro 2012-06-10 37 if (flags & LOOKUP_RCU)
34286d6662308d Nicholas Piggin 2011-01-07 38 return -ECHILD;
34286d6662308d Nicholas Piggin 2011-01-07 39
5556e7e6d30e8e Tyler Hicks 2015-08-05 40 if (lower_dentry->d_flags & DCACHE_OP_REVALIDATE)
0838ae103beaf6 Gabriel Krisman Bertazi 2023-08-11 41 rc = lower_dentry->d_op->d_revalidate(lower_dentry, name, flags);
5556e7e6d30e8e Tyler Hicks 2015-08-05 42
2b0143b5c986be David Howells 2015-03-17 43 if (d_really_is_positive(dentry)) {
5556e7e6d30e8e Tyler Hicks 2015-08-05 44 struct inode *inode = d_inode(dentry);
ae56fb16337c88 Michael Halcrow 2006-11-16 45
5556e7e6d30e8e Tyler Hicks 2015-08-05 46 fsstack_copy_attr_all(inode, ecryptfs_inode_to_lower(inode));
5556e7e6d30e8e Tyler Hicks 2015-08-05 47 if (!inode->i_nlink)
5556e7e6d30e8e Tyler Hicks 2015-08-05 48 return 0;
ae56fb16337c88 Michael Halcrow 2006-11-16 49 }
237fead619984c Michael Halcrow 2006-10-04 50 return rc;
237fead619984c Michael Halcrow 2006-10-04 51 }
237fead619984c Michael Halcrow 2006-10-04 52
--
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