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d="scan'208";a="377319371" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Sep 2023 08:06:24 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10831"; a="867419590" X-IronPort-AV: E=Sophos;i="6.02,139,1688454000"; d="scan'208";a="867419590" Received: from lkp-server02.sh.intel.com (HELO 0a6943a0b3e1) ([10.239.97.151]) by orsmga004.jf.intel.com with ESMTP; 12 Sep 2023 08:06:21 -0700 Received: from kbuild by 0a6943a0b3e1 with local (Exim 4.96) (envelope-from ) id 1qg4y3-00006B-0H; Tue, 12 Sep 2023 15:06:19 +0000 Date: Tue, 12 Sep 2023 23:06:13 +0800 From: kernel test robot To: Kent Overstreet Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, Linux Memory Management List Subject: [linux-next:master 2362/4552] fs/bcachefs/reflink.c:85:6: warning: no previous prototype for function 'bch2_reflink_v_merge' Message-ID: <202309122339.Gdj2Cei3-lkp@intel.com> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline 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 | 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; \ | ^~~~~~~~~~~~~~ :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; \ | ^~~~~~~~~~~~~~ :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; \ | ^~~~~~~~~~~~~~ :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; \ | ^~~~~~~~~~~~~~ :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