* [chao:feature/cache 2/13] fs/f2fs/cache.c:182:30: sparse: sparse: incorrect type in initializer (different base types)
@ 2026-08-19 5:01 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2026-08-19 5:01 UTC (permalink / raw)
To: Chao Yu; +Cc: oe-kbuild-all
tree: https://git.kernel.org/pub/scm/linux/kernel/git/chao/linux.git feature/cache
head: cc6a23d8c232f588f3a5415d1b10a19e1e4ce860
commit: 79680d7892699e4a580d6dc3831820056989cd75 [2/13] f2fs: cache: implement metadata cache
config: sparc64-randconfig-r112-20260819 (https://download.01.org/0day-ci/archive/20260819/202608191224.eWjE9na5-lkp@intel.com/config)
compiler: sparc64-linux-gcc (GCC) 8.5.0
sparse: v0.6.5-rc1
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260819/202608191224.eWjE9na5-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202608191224.eWjE9na5-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
>> fs/f2fs/cache.c:182:30: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned int flags @@ got restricted gfp_t @@
fs/f2fs/cache.c:182:30: sparse: expected unsigned int flags
fs/f2fs/cache.c:182:30: sparse: got restricted gfp_t
>> fs/f2fs/cache.c:185:23: sparse: sparse: invalid assignment: |=
fs/f2fs/cache.c:185:23: sparse: left side has type unsigned int
fs/f2fs/cache.c:185:23: sparse: right side has type restricted gfp_t
>> fs/f2fs/cache.c:187:17: sparse: sparse: incorrect type in argument 2 (different base types) @@ expected restricted gfp_t [usertype] flags @@ got unsigned int flags @@
fs/f2fs/cache.c:187:17: sparse: expected restricted gfp_t [usertype] flags
fs/f2fs/cache.c:187:17: sparse: got unsigned int flags
>> fs/f2fs/cache.c:187:17: sparse: sparse: incorrect type in argument 2 (different base types) @@ expected restricted gfp_t [usertype] flags @@ got unsigned int flags @@
fs/f2fs/cache.c:187:17: sparse: expected restricted gfp_t [usertype] flags
fs/f2fs/cache.c:187:17: sparse: got unsigned int flags
>> fs/f2fs/cache.c:187:17: sparse: sparse: incorrect type in argument 2 (different base types) @@ expected restricted gfp_t [usertype] flags @@ got unsigned int flags @@
fs/f2fs/cache.c:187:17: sparse: expected restricted gfp_t [usertype] flags
fs/f2fs/cache.c:187:17: sparse: got unsigned int flags
>> fs/f2fs/cache.c:191:17: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected restricted gfp_t [usertype] gfp @@ got unsigned int flags @@
fs/f2fs/cache.c:191:17: sparse: expected restricted gfp_t [usertype] gfp
fs/f2fs/cache.c:191:17: sparse: got unsigned int flags
>> fs/f2fs/cache.c:191:17: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected restricted gfp_t [usertype] gfp @@ got unsigned int flags @@
fs/f2fs/cache.c:191:17: sparse: expected restricted gfp_t [usertype] gfp
fs/f2fs/cache.c:191:17: sparse: got unsigned int flags
>> fs/f2fs/cache.c:191:17: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected restricted gfp_t [usertype] gfp @@ got unsigned int flags @@
fs/f2fs/cache.c:191:17: sparse: expected restricted gfp_t [usertype] gfp
fs/f2fs/cache.c:191:17: sparse: got unsigned int flags
vim +182 fs/f2fs/cache.c
175
176 static struct f2fs_cached_block *f2fs_create_cache(
177 struct f2fs_cached_block_list *cache,
178 unsigned long index, bool nofail)
179 {
180 struct f2fs_cached_block *entry;
181 struct folio *folio;
> 182 unsigned int flags = GFP_NOFS;
183
184 if (nofail)
> 185 flags |= __GFP_NOFAIL;
186
> 187 entry = kzalloc(sizeof(*entry), flags);
188 if (!entry)
189 return ERR_PTR(-ENOMEM);
190
> 191 folio = folio_alloc(flags, 0);
192 if (!folio) {
193 kfree(entry);
194 return ERR_PTR(-ENOMEM);
195 }
196
197 entry->data = folio_address(folio);
198 entry->index = index;
199
200 atomic_set(&entry->refcount, 0);
201 entry->next_entry = NULL;
202 INIT_LIST_HEAD(&entry->list);
203
204 entry->cache = cache;
205
206 return entry;
207 }
208
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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