* [zab-rpdfs:rpdfs-initial 41/51] fs/rpdfs/place.h:41:1: warning: control reaches end of non-void function
@ 2026-04-07 6:40 kernel test robot
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From: kernel test robot @ 2026-04-07 6:40 UTC (permalink / raw)
To: Zach Brown; +Cc: oe-kbuild-all
tree: https://git.kernel.org/pub/scm/linux/kernel/git/zab/linux-rpdfs.git rpdfs-initial
head: 9a0627207ad856d2a5eb09f3458afb1e34ac10a3
commit: 7db9f9d6d7cd9f1130ec06063f679a26a17d9fc0 [41/51] rpdfs: add place details metadata
config: nios2-allmodconfig (https://download.01.org/0day-ci/archive/20260407/202604071407.jaPX7Fpt-lkp@intel.com/config)
compiler: nios2-linux-gcc (GCC) 11.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260407/202604071407.jaPX7Fpt-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/202604071407.jaPX7Fpt-lkp@intel.com/
All warnings (new ones prefixed by >>):
| ^~~~
fs/rpdfs/place.h: In function 'rpdfs_place_full':
fs/rpdfs/place.h:19:18: error: 'u128' undeclared (first use in this function)
19 | return ((u128)rpdfs_place_hi(type, ino, depth) << 64) | off;
| ^~~~
fs/rpdfs/place.h:19:18: note: each undeclared identifier is reported only once for each function it appears in
fs/rpdfs/place.h:19:23: error: expected ')' before 'rpdfs_place_hi'
19 | return ((u128)rpdfs_place_hi(type, ino, depth) << 64) | off;
| ~ ^~~~~~~~~~~~~~
| )
fs/rpdfs/place.h: At top level:
fs/rpdfs/place.h:32:65: error: unknown type name 'u128'
32 | static inline void rpdfs_place_split_le(__le64 *lo, __le64 *hi, u128 full)
| ^~~~
fs/rpdfs/place.h:38:15: error: unknown type name 'u128'
38 | static inline u128 rpdfs_place_combine_le(__le64 lo, __le64 hi)
| ^~~~
fs/rpdfs/place.h: In function 'rpdfs_place_combine_le':
fs/rpdfs/place.h:40:18: error: 'u128' undeclared (first use in this function)
40 | return ((u128)le64_to_cpu(hi) << 64) | le64_to_cpu(lo);
| ^~~~
In file included from fs/rpdfs/txn.h:7,
from fs/rpdfs/balloc.h:10,
from fs/rpdfs/block.c:9:
fs/rpdfs/block.h: At top level:
fs/rpdfs/block.h:79:9: error: unknown type name 'u128'
79 | u128 place;
| ^~~~
fs/rpdfs/block.c: In function 'send_block_write':
fs/rpdfs/block.c:614:9: error: implicit declaration of function 'rpdfs_place_split_le'; did you mean 'rpdfs_place_combine_le'? [-Werror=implicit-function-declaration]
614 | rpdfs_place_split_le(&wr.det.place_lo, &wr.det.place_hi, bk->hnd.place);
| ^~~~~~~~~~~~~~~~~~~~
| rpdfs_place_combine_le
In file included from fs/rpdfs/block.h:8,
from fs/rpdfs/txn.h:7,
from fs/rpdfs/balloc.h:10,
from fs/rpdfs/block.c:9:
fs/rpdfs/block.c: In function 'rpdfs_block_acquire':
fs/rpdfs/place.h:8:39: warning: right shift count >= width of type [-Wshift-count-overflow]
8 | #define RPA(place) (u64)((place) >> 64), (u64)(place)
| ^~
fs/rpdfs/block.c:189:63: note: in expansion of macro 'RPA'
189 | (bk)->hnd.bnr, (bk)->hnd.alloc_ctr, (bk)->hnd.wcount, RPA((bk)->hnd.place), \
| ^~~
include/linux/dynamic_debug.h:224:29: note: in expansion of macro 'RBA'
224 | func(&id, ##__VA_ARGS__); \
| ^~~~~~~~~~~
include/linux/dynamic_debug.h:248:9: note: in expansion of macro '__dynamic_func_call_cls'
248 | __dynamic_func_call_cls(__UNIQUE_ID(ddebug), cls, fmt, func, ##__VA_ARGS__)
| ^~~~~~~~~~~~~~~~~~~~~~~
include/linux/dynamic_debug.h:250:9: note: in expansion of macro '_dynamic_func_call_cls'
250 | _dynamic_func_call_cls(_DPRINTK_CLASS_DFLT, fmt, func, ##__VA_ARGS__)
| ^~~~~~~~~~~~~~~~~~~~~~
include/linux/dynamic_debug.h:269:9: note: in expansion of macro '_dynamic_func_call'
269 | _dynamic_func_call(fmt, __dynamic_pr_debug, \
| ^~~~~~~~~~~~~~~~~~
include/linux/printk.h:631:9: note: in expansion of macro 'dynamic_pr_debug'
631 | dynamic_pr_debug(fmt, ##__VA_ARGS__)
| ^~~~~~~~~~~~~~~~
fs/rpdfs/pr.h:19:9: note: in expansion of macro 'pr_debug'
19 | pr_debug("rpdfs: %s:%u: "fmt"\n", __func__, __LINE__, ##args); \
| ^~~~~~~~
fs/rpdfs/pr.h:26:9: note: in expansion of macro '_rpdfs_pr_debug'
26 | _rpdfs_pr_debug(fmt, ##args)
| ^~~~~~~~~~~~~~~
fs/rpdfs/block.c:1233:17: note: in expansion of macro 'rpdfs_prd_rfi'
1233 | rpdfs_prd_rfi(rfi, "acquire mode %u rbaf %x wait "RBF,
| ^~~~~~~~~~~~~
fs/rpdfs/block.c: In function 'recv_block_grant_mode':
fs/rpdfs/place.h:8:39: warning: right shift count >= width of type [-Wshift-count-overflow]
8 | #define RPA(place) (u64)((place) >> 64), (u64)(place)
| ^~
fs/rpdfs/block.c:189:63: note: in expansion of macro 'RPA'
189 | (bk)->hnd.bnr, (bk)->hnd.alloc_ctr, (bk)->hnd.wcount, RPA((bk)->hnd.place), \
| ^~~
include/linux/dynamic_debug.h:224:29: note: in expansion of macro 'RBA'
224 | func(&id, ##__VA_ARGS__); \
| ^~~~~~~~~~~
include/linux/dynamic_debug.h:248:9: note: in expansion of macro '__dynamic_func_call_cls'
248 | __dynamic_func_call_cls(__UNIQUE_ID(ddebug), cls, fmt, func, ##__VA_ARGS__)
| ^~~~~~~~~~~~~~~~~~~~~~~
include/linux/dynamic_debug.h:250:9: note: in expansion of macro '_dynamic_func_call_cls'
250 | _dynamic_func_call_cls(_DPRINTK_CLASS_DFLT, fmt, func, ##__VA_ARGS__)
| ^~~~~~~~~~~~~~~~~~~~~~
include/linux/dynamic_debug.h:269:9: note: in expansion of macro '_dynamic_func_call'
269 | _dynamic_func_call(fmt, __dynamic_pr_debug, \
| ^~~~~~~~~~~~~~~~~~
include/linux/printk.h:631:9: note: in expansion of macro 'dynamic_pr_debug'
631 | dynamic_pr_debug(fmt, ##__VA_ARGS__)
| ^~~~~~~~~~~~~~~~
fs/rpdfs/pr.h:19:9: note: in expansion of macro 'pr_debug'
19 | pr_debug("rpdfs: %s:%u: "fmt"\n", __func__, __LINE__, ##args); \
| ^~~~~~~~
fs/rpdfs/pr.h:22:9: note: in expansion of macro '_rpdfs_pr_debug'
22 | _rpdfs_pr_debug(fmt, ##args)
| ^~~~~~~~~~~~~~~
fs/rpdfs/block.c:1610:9: note: in expansion of macro 'rpdfs_prd'
1610 | rpdfs_prd("mode %u "RBF, cm->mode, RBA(bk));
| ^~~~~~~~~
fs/rpdfs/place.h: In function 'rpdfs_place_combine_le':
>> fs/rpdfs/place.h:41:1: warning: control reaches end of non-void function [-Wreturn-type]
41 | }
| ^
cc1: some warnings being treated as errors
vim +41 fs/rpdfs/place.h
37
38 static inline u128 rpdfs_place_combine_le(__le64 lo, __le64 hi)
39 {
40 return ((u128)le64_to_cpu(hi) << 64) | le64_to_cpu(lo);
> 41 }
42
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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2026-04-07 6:40 [zab-rpdfs:rpdfs-initial 41/51] fs/rpdfs/place.h:41:1: warning: control reaches end of non-void function kernel test robot
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