From: kernel test robot <lkp@intel.com>
To: Kent Overstreet <kmo@daterainc.com>
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
Linux Memory Management List <linux-mm@kvack.org>
Subject: [linux-next:master 2362/4552] fs/bcachefs/reflink.c:85:6: warning: no previous prototype for function 'bch2_reflink_v_merge'
Date: Tue, 12 Sep 2023 23:06:13 +0800 [thread overview]
Message-ID: <202309122339.Gdj2Cei3-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: 3c13c772fc233a10342c8e1605ff0855dfdf0c89
commit: 2d1feb7b84307216167db8178df30a0c83c709c2 [2362/4552] bcachefs: Merging for indirect extents
config: powerpc-randconfig-r006-20230912 (https://download.01.org/0day-ci/archive/20230912/202309122339.Gdj2Cei3-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230912/202309122339.Gdj2Cei3-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/202309122339.Gdj2Cei3-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from fs/bcachefs/reflink.c:2:
In file included from fs/bcachefs/bcachefs.h:184:
In file included from include/linux/bio.h:10:
In file included from include/linux/blk_types.h:10:
In file included from include/linux/bvec.h:10:
In file included from include/linux/highmem.h:12:
In file included from include/linux/hardirq.h:11:
In file included from arch/powerpc/include/asm/hardirq.h:6:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/powerpc/include/asm/io.h:672:
arch/powerpc/include/asm/io-defs.h:47:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
47 | DEF_PCI_AC_NORET(insl, (unsigned long p, void *b, unsigned long c),
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
48 | (p, b, c), pio, p)
| ~~~~~~~~~~~~~~~~~~
arch/powerpc/include/asm/io.h:669:3: note: expanded from macro 'DEF_PCI_AC_NORET'
669 | __do_##name al; \
| ^~~~~~~~~~~~~~
<scratch space>:211:1: note: expanded from here
211 | __do_insl
| ^
arch/powerpc/include/asm/io.h:611:56: note: expanded from macro '__do_insl'
611 | #define __do_insl(p, b, n) readsl((PCI_IO_ADDR)_IO_BASE+(p), (b), (n))
| ~~~~~~~~~~~~~~~~~~~~~^
In file included from fs/bcachefs/reflink.c:2:
In file included from fs/bcachefs/bcachefs.h:184:
In file included from include/linux/bio.h:10:
In file included from include/linux/blk_types.h:10:
In file included from include/linux/bvec.h:10:
In file included from include/linux/highmem.h:12:
In file included from include/linux/hardirq.h:11:
In file included from arch/powerpc/include/asm/hardirq.h:6:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/powerpc/include/asm/io.h:672:
arch/powerpc/include/asm/io-defs.h:49:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
49 | DEF_PCI_AC_NORET(outsb, (unsigned long p, const void *b, unsigned long c),
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
50 | (p, b, c), pio, p)
| ~~~~~~~~~~~~~~~~~~
arch/powerpc/include/asm/io.h:669:3: note: expanded from macro 'DEF_PCI_AC_NORET'
669 | __do_##name al; \
| ^~~~~~~~~~~~~~
<scratch space>:213:1: note: expanded from here
213 | __do_outsb
| ^
arch/powerpc/include/asm/io.h:612:58: note: expanded from macro '__do_outsb'
612 | #define __do_outsb(p, b, n) writesb((PCI_IO_ADDR)_IO_BASE+(p),(b),(n))
| ~~~~~~~~~~~~~~~~~~~~~^
In file included from fs/bcachefs/reflink.c:2:
In file included from fs/bcachefs/bcachefs.h:184:
In file included from include/linux/bio.h:10:
In file included from include/linux/blk_types.h:10:
In file included from include/linux/bvec.h:10:
In file included from include/linux/highmem.h:12:
In file included from include/linux/hardirq.h:11:
In file included from arch/powerpc/include/asm/hardirq.h:6:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/powerpc/include/asm/io.h:672:
arch/powerpc/include/asm/io-defs.h:51:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
51 | DEF_PCI_AC_NORET(outsw, (unsigned long p, const void *b, unsigned long c),
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
52 | (p, b, c), pio, p)
| ~~~~~~~~~~~~~~~~~~
arch/powerpc/include/asm/io.h:669:3: note: expanded from macro 'DEF_PCI_AC_NORET'
669 | __do_##name al; \
| ^~~~~~~~~~~~~~
<scratch space>:215:1: note: expanded from here
215 | __do_outsw
| ^
arch/powerpc/include/asm/io.h:613:58: note: expanded from macro '__do_outsw'
613 | #define __do_outsw(p, b, n) writesw((PCI_IO_ADDR)_IO_BASE+(p),(b),(n))
| ~~~~~~~~~~~~~~~~~~~~~^
In file included from fs/bcachefs/reflink.c:2:
In file included from fs/bcachefs/bcachefs.h:184:
In file included from include/linux/bio.h:10:
In file included from include/linux/blk_types.h:10:
In file included from include/linux/bvec.h:10:
In file included from include/linux/highmem.h:12:
In file included from include/linux/hardirq.h:11:
In file included from arch/powerpc/include/asm/hardirq.h:6:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/powerpc/include/asm/io.h:672:
arch/powerpc/include/asm/io-defs.h:53:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
53 | DEF_PCI_AC_NORET(outsl, (unsigned long p, const void *b, unsigned long c),
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
54 | (p, b, c), pio, p)
| ~~~~~~~~~~~~~~~~~~
arch/powerpc/include/asm/io.h:669:3: note: expanded from macro 'DEF_PCI_AC_NORET'
669 | __do_##name al; \
| ^~~~~~~~~~~~~~
<scratch space>:217:1: note: expanded from here
217 | __do_outsl
| ^
arch/powerpc/include/asm/io.h:614:58: note: expanded from macro '__do_outsl'
614 | #define __do_outsl(p, b, n) writesl((PCI_IO_ADDR)_IO_BASE+(p),(b),(n))
| ~~~~~~~~~~~~~~~~~~~~~^
>> fs/bcachefs/reflink.c:85:6: warning: no previous prototype for function 'bch2_reflink_v_merge' [-Wmissing-prototypes]
85 | bool bch2_reflink_v_merge(struct bch_fs *c, struct bkey_s _l, struct bkey_s_c _r)
| ^
fs/bcachefs/reflink.c:85:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
85 | bool bch2_reflink_v_merge(struct bch_fs *c, struct bkey_s _l, struct bkey_s_c _r)
| ^
| static
7 warnings generated.
Kconfig warnings: (for reference only)
WARNING: unmet direct dependencies detected for HOTPLUG_CPU
Depends on [n]: SMP [=y] && (PPC_PSERIES [=n] || PPC_PMAC [=n] || PPC_POWERNV [=n] || FSL_SOC_BOOKE [=n])
Selected by [y]:
- PM_SLEEP_SMP [=y] && SMP [=y] && (ARCH_SUSPEND_POSSIBLE [=n] || ARCH_HIBERNATION_POSSIBLE [=y]) && PM_SLEEP [=y]
vim +/bch2_reflink_v_merge +85 fs/bcachefs/reflink.c
84
> 85 bool bch2_reflink_v_merge(struct bch_fs *c, struct bkey_s _l, struct bkey_s_c _r)
86 {
87 struct bkey_s_reflink_v l = bkey_s_to_reflink_v(_l);
88 struct bkey_s_c_reflink_v r = bkey_s_c_to_reflink_v(_r);
89
90 return l.v->refcount == r.v->refcount && bch2_extent_merge(c, _l, _r);
91 }
92
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2023-09-12 15:08 UTC|newest]
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