fs/ext4/extents-test.c:59:3: sparse: sparse: symbol 'k_ctx' was not declared. Should it be static?

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   f0100363d8c374bd8e9ea7c9ba02744f0b802ca4
commit: 9e1b14320b154094bb2c1bee6d8c6cb851fc3215 ext4: fix extents-test.c is not compiled when EXT4_KUNIT_TESTS=M
date:   6 months ago
config: x86_64-randconfig-1300-20260922 (https://download.01.org/0day-ci/archive/20260922/202609221900.Pgwrcp41-lkp@xxxxxxxxx/config)
compiler: gcc-13 (Debian 13.3.0-16) 13.3.0
sparse: v0.6.5-rc1
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260922/202609221900.Pgwrcp41-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
| Fixes: 9e1b14320b15 ("ext4: fix extents-test.c is not compiled when EXT4_KUNIT_TESTS=M")
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202609221900.Pgwrcp41-lkp@xxxxxxxxx/

sparse warnings: (new ones prefixed by >>)
>> fs/ext4/extents-test.c:59:3: sparse: sparse: symbol 'k_ctx' was not declared. Should it be static?

vim +/k_ctx +59 fs/ext4/extents-test.c

cb1e0c1d1fad5b Ojaswin Mujoo 2026-01-23  49  
cb1e0c1d1fad5b Ojaswin Mujoo 2026-01-23  50  struct kunit_ctx {
cb1e0c1d1fad5b Ojaswin Mujoo 2026-01-23  51  	/*
cb1e0c1d1fad5b Ojaswin Mujoo 2026-01-23  52  	 * Ext4 inode which has only 1 unwrit extent
cb1e0c1d1fad5b Ojaswin Mujoo 2026-01-23  53  	 */
cb1e0c1d1fad5b Ojaswin Mujoo 2026-01-23  54  	struct ext4_inode_info *k_ei;
cb1e0c1d1fad5b Ojaswin Mujoo 2026-01-23  55  	/*
cb1e0c1d1fad5b Ojaswin Mujoo 2026-01-23  56  	 * Represents the underlying data area (used for zeroout testing)
cb1e0c1d1fad5b Ojaswin Mujoo 2026-01-23  57  	 */
cb1e0c1d1fad5b Ojaswin Mujoo 2026-01-23  58  	char *k_data;
cb1e0c1d1fad5b Ojaswin Mujoo 2026-01-23 @59  } k_ctx;
cb1e0c1d1fad5b Ojaswin Mujoo 2026-01-23  60  

:::::: The code at line 59 was first introduced by commit
:::::: cb1e0c1d1fad5bfad90d80c74ebdb53796d8a2db ext4: kunit tests for extent splitting and conversion

:::::: TO: Ojaswin Mujoo <ojaswin@xxxxxxxxxxxxx>
:::::: CC: Theodore Ts'o <tytso@xxxxxxx>

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