Re: [PATCH] Squashfs: add page cache share support

From: kernel test robot
Date: Sat Jun 28 2025 - 12:01:51 EST


Hi Bo,

kernel test robot noticed the following build warnings:

[auto build test WARNING on v6.16-rc3]
[also build test WARNING on linus/master next-20250627]
[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/Bo-Liu/Squashfs-add-page-cache-share-support/20250626-084010
base: v6.16-rc3
patch link: https://lore.kernel.org/r/20250626003644.3675-1-liubo03%40inspur.com
patch subject: [PATCH] Squashfs: add page cache share support
config: hexagon-randconfig-r073-20250628 (https://download.01.org/0day-ci/archive/20250628/202506282334.A6g9vp33-lkp@xxxxxxxxx/config)
compiler: clang version 21.0.0git (https://github.com/llvm/llvm-project e04c938cc08a90ae60440ce22d072ebc69d67ee8)

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/202506282334.A6g9vp33-lkp@xxxxxxxxx/

New smatch warnings:
fs/squashfs/inode.c:97 squashfs_iget() warn: inconsistent indenting

Old smatch warnings:
fs/squashfs/inode.c:293 squashfs_read_inode() warn: missing unwind goto?

vim +97 fs/squashfs/inode.c

74
75
76 struct inode *squashfs_iget(struct super_block *sb, long long ino,
77 unsigned int ino_number)
78 {
79 struct inode *inode = iget_locked(sb, ino_number);
80 int err;
81
82 TRACE("Entered squashfs_iget\n");
83
84 if (!inode)
85 return ERR_PTR(-ENOMEM);
86 if (!(inode->i_state & I_NEW))
87 return inode;
88
89 err = squashfs_read_inode(inode, ino);
90 if (err) {
91 iget_failed(inode);
92 return ERR_PTR(err);
93 }
94 unlock_new_inode(inode);
95
96 #ifdef CONFIG_SQUASHFS_PAGE_CACHE_SHARE
> 97 if ((inode->i_mode & S_IFMT) == S_IFREG) {
98 if (squashfs_pcs_fill_inode(inode) > 0)
99 inode->i_fop = &squashfs_pcs_file_fops;
100 }
101 #endif
102
103 return inode;
104 }
105

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