[chao:feature/cache 11/13] fs/f2fs/cache.c:179:23: sparse: sparse: restricted gfp_t degrades to integer

[kernel test robot <lkp@intel.com>]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/chao/linux.git feature/cache
head:   cc6a23d8c232f588f3a5415d1b10a19e1e4ce860
commit: 59d0b83765584877d5f352f0a600fff033d7d4af [11/13] f2fs: cache: support fault injection
config: sparc64-randconfig-r112-20260819 (https://download.01.org/0day-ci/archive/20260819/202608191446.3rO5PGag-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/20260819/202608191446.3rO5PGag-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/202608191446.3rO5PGag-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> fs/f2fs/cache.c:179:23: sparse: sparse: restricted gfp_t degrades to integer
   fs/f2fs/cache.c:182:16: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected restricted gfp_t [usertype] gfp @@     got unsigned int flags @@
   fs/f2fs/cache.c:182:16: sparse:     expected restricted gfp_t [usertype] gfp
   fs/f2fs/cache.c:182:16: sparse:     got unsigned int flags
   fs/f2fs/cache.c:182:16: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected restricted gfp_t [usertype] gfp @@     got unsigned int flags @@
   fs/f2fs/cache.c:182:16: sparse:     expected restricted gfp_t [usertype] gfp
   fs/f2fs/cache.c:182:16: sparse:     got unsigned int flags
   fs/f2fs/cache.c:182:16: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected restricted gfp_t [usertype] gfp @@     got unsigned int flags @@
   fs/f2fs/cache.c:182:16: sparse:     expected restricted gfp_t [usertype] gfp
   fs/f2fs/cache.c:182:16: sparse:     got unsigned int flags
   fs/f2fs/cache.c:192:30: sparse: sparse: incorrect type in initializer (different base types) @@     expected unsigned int flags @@     got restricted gfp_t @@
   fs/f2fs/cache.c:192:30: sparse:     expected unsigned int flags
   fs/f2fs/cache.c:192:30: sparse:     got restricted gfp_t
   fs/f2fs/cache.c:195:23: sparse: sparse: invalid assignment: |=
   fs/f2fs/cache.c:195:23: sparse:    left side has type unsigned int
   fs/f2fs/cache.c:195:23: sparse:    right side has type restricted gfp_t
   fs/f2fs/cache.c:196:25: sparse: sparse: incorrect type in argument 2 (different base types) @@     expected restricted gfp_t [usertype] flags @@     got unsigned int flags @@
   fs/f2fs/cache.c:196:25: sparse:     expected restricted gfp_t [usertype] flags
   fs/f2fs/cache.c:196:25: sparse:     got unsigned int flags
   fs/f2fs/cache.c:196:25: sparse: sparse: incorrect type in argument 2 (different base types) @@     expected restricted gfp_t [usertype] flags @@     got unsigned int flags @@
   fs/f2fs/cache.c:196:25: sparse:     expected restricted gfp_t [usertype] flags
   fs/f2fs/cache.c:196:25: sparse:     got unsigned int flags
   fs/f2fs/cache.c:196:25: sparse: sparse: incorrect type in argument 2 (different base types) @@     expected restricted gfp_t [usertype] flags @@     got unsigned int flags @@
   fs/f2fs/cache.c:196:25: sparse:     expected restricted gfp_t [usertype] flags
   fs/f2fs/cache.c:196:25: sparse:     got unsigned int flags
   fs/f2fs/cache.c:198:59: sparse: sparse: incorrect type in argument 3 (different base types) @@     expected restricted gfp_t [usertype] flags @@     got unsigned int flags @@
   fs/f2fs/cache.c:198:59: sparse:     expected restricted gfp_t [usertype] flags
   fs/f2fs/cache.c:198:59: sparse:     got unsigned int flags

vim +179 fs/f2fs/cache.c

   175	
   176	static struct folio *f2fs_cache_folio_alloc(struct f2fs_sb_info *sbi,
   177							unsigned int flags)
   178	{
 > 179		if (!(flags & __GFP_NOFAIL) &&
   180				time_to_inject(sbi, FAULT_PAGE_ALLOC))
   181			return NULL;
   182		return folio_alloc(flags, 0);
   183	}
   184	

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