Hi Christoph, I love your patch! Perhaps something to improve: [auto build test WARNING on a06377c5d01eeeaa52ad979b62c3c72efcc3eff0] url: https://github.com/intel-lab-lkp/linux/commits/Christoph-B-hmwalder/drbd-Rip-out-the-ERR_IF_CNT_IS_NEGATIVE-macro/20230216-003454 base: a06377c5d01eeeaa52ad979b62c3c72efcc3eff0 patch link: https://lore.kernel.org/r/20230215163204.2856631-4-christoph.boehmwalder%40linbit.com patch subject: [PATCH 3/7] drbd: INFO_bm_xfer_stats(): Pass a peer device argument config: m68k-allyesconfig (https://download.01.org/0day-ci/archive/20230216/202302160521.CQ9teCgI-lkp@xxxxxxxxx/config) compiler: m68k-linux-gcc (GCC) 12.1.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/intel-lab-lkp/linux/commit/5c0303cbd7f9f393f07ff9b8738a25cb1883e947 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Christoph-B-hmwalder/drbd-Rip-out-the-ERR_IF_CNT_IS_NEGATIVE-macro/20230216-003454 git checkout 5c0303cbd7f9f393f07ff9b8738a25cb1883e947 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=m68k olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=m68k SHELL=/bin/bash drivers/block/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202302160521.CQ9teCgI-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from drivers/block/drbd/drbd_bitmap.c:22: >> drivers/block/drbd/drbd_int.h:129:39: warning: 'struct drbd_peer_device' declared inside parameter list will not be visible outside of this definition or declaration 129 | extern void INFO_bm_xfer_stats(struct drbd_peer_device *peer_device, | ^~~~~~~~~~~~~~~~ -- In file included from drivers/block/drbd/drbd_receiver.c:37: >> drivers/block/drbd/drbd_int.h:129:39: warning: 'struct drbd_peer_device' declared inside parameter list will not be visible outside of this definition or declaration 129 | extern void INFO_bm_xfer_stats(struct drbd_peer_device *peer_device, | ^~~~~~~~~~~~~~~~ drivers/block/drbd/drbd_receiver.c: In function 'drbd_sync_handshake': drivers/block/drbd/drbd_receiver.c:3593:21: error: too many arguments to function 'drbd_bitmap_io' 3593 | if (drbd_bitmap_io(device, &drbd_bmio_set_n_write, "set_n_write from sync_handshake", | ^~~~~~~~~~~~~~ drivers/block/drbd/drbd_int.h:1072:12: note: declared here 1072 | extern int drbd_bitmap_io(struct drbd_device *device, | ^~~~~~~~~~~~~~ drivers/block/drbd/drbd_receiver.c: In function 'receive_uuids': drivers/block/drbd/drbd_receiver.c:4271:25: error: too many arguments to function 'drbd_bitmap_io' 4271 | drbd_bitmap_io(device, &drbd_bmio_clear_n_write, | ^~~~~~~~~~~~~~ drivers/block/drbd/drbd_int.h:1072:12: note: declared here 1072 | extern int drbd_bitmap_io(struct drbd_device *device, | ^~~~~~~~~~~~~~ drivers/block/drbd/drbd_receiver.c: At top level: drivers/block/drbd/drbd_receiver.c:4769:6: error: conflicting types for 'INFO_bm_xfer_stats'; have 'void(struct drbd_peer_device *, const char *, struct bm_xfer_ctx *)' 4769 | void INFO_bm_xfer_stats(struct drbd_peer_device *peer_device, | ^~~~~~~~~~~~~~~~~~ drivers/block/drbd/drbd_int.h:129:13: note: previous declaration of 'INFO_bm_xfer_stats' with type 'void(struct drbd_peer_device *, const char *, struct bm_xfer_ctx *)' 129 | extern void INFO_bm_xfer_stats(struct drbd_peer_device *peer_device, | ^~~~~~~~~~~~~~~~~~ drivers/block/drbd/drbd_receiver.c: In function 'receive_bitmap': drivers/block/drbd/drbd_receiver.c:4880:23: error: too few arguments to function 'drbd_send_bitmap' 4880 | err = drbd_send_bitmap(device); | ^~~~~~~~~~~~~~~~ drivers/block/drbd/drbd_int.h:1045:12: note: declared here 1045 | extern int drbd_send_bitmap(struct drbd_device *device, struct drbd_peer_device *peer_device); | ^~~~~~~~~~~~~~~~ drivers/block/drbd/drbd_receiver.c: In function 'drbd_disconnected': drivers/block/drbd/drbd_receiver.c:5216:40: error: passing argument 2 of 'drbd_bitmap_io' from incompatible pointer type [-Werror=incompatible-pointer-types] 5216 | drbd_bitmap_io(device, &drbd_bm_write_copy_pages, | ^~~~~~~~~~~~~~~~~~~~~~~~~ | | | int (*)(struct drbd_device *) drivers/block/drbd/drbd_int.h:1073:23: note: expected 'int (*)(struct drbd_device *, struct drbd_peer_device *)' but argument is of type 'int (*)(struct drbd_device *)' 1073 | int (*io_fn)(struct drbd_device *, struct drbd_peer_device *), | ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/block/drbd/drbd_receiver.c:5216:17: error: too many arguments to function 'drbd_bitmap_io' 5216 | drbd_bitmap_io(device, &drbd_bm_write_copy_pages, | ^~~~~~~~~~~~~~ drivers/block/drbd/drbd_int.h:1072:12: note: declared here 1072 | extern int drbd_bitmap_io(struct drbd_device *device, | ^~~~~~~~~~~~~~ cc1: some warnings being treated as errors -- In file included from drivers/block/drbd/drbd_main.c:46: >> drivers/block/drbd/drbd_int.h:129:39: warning: 'struct drbd_peer_device' declared inside parameter list will not be visible outside of this definition or declaration 129 | extern void INFO_bm_xfer_stats(struct drbd_peer_device *peer_device, | ^~~~~~~~~~~~~~~~ drivers/block/drbd/drbd_main.c: In function 'send_bitmap_rle_or_plain': drivers/block/drbd/drbd_main.c:1203:29: error: 'device' redeclared as different kind of symbol 1203 | struct drbd_device *device = peer_device->device; | ^~~~~~ drivers/block/drbd/drbd_main.c:1201:51: note: previous definition of 'device' with type 'struct drbd_peer_device *' 1201 | send_bitmap_rle_or_plain(struct drbd_peer_device *device, struct bm_xfer_ctx *c) | ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~ drivers/block/drbd/drbd_main.c:1203:38: error: 'peer_device' undeclared (first use in this function); did you mean 'phy_device'? 1203 | struct drbd_device *device = peer_device->device; | ^~~~~~~~~~~ | phy_device drivers/block/drbd/drbd_main.c:1203:38: note: each undeclared identifier is reported only once for each function it appears in drivers/block/drbd/drbd_main.c: In function '_drbd_send_bitmap': drivers/block/drbd/drbd_main.c:1272:29: error: too few arguments to function 'drbd_bm_write' 1272 | if (drbd_bm_write(device)) { | ^~~~~~~~~~~~~ drivers/block/drbd/drbd_int.h:1293:13: note: declared here 1293 | extern int drbd_bm_write(struct drbd_device *device, | ^~~~~~~~~~~~~ drivers/block/drbd/drbd_main.c: At top level: drivers/block/drbd/drbd_main.c:3497:6: error: conflicting types for 'drbd_queue_bitmap_io'; have 'void(struct drbd_device *, int (*)(struct drbd_device *, struct drbd_peer_device *), void (*)(struct drbd_device *, int), char *, enum bm_flag, struct drbd_peer_device *)' 3497 | void drbd_queue_bitmap_io(struct drbd_device *device, | ^~~~~~~~~~~~~~~~~~~~ drivers/block/drbd/drbd_int.h:1068:13: note: previous declaration of 'drbd_queue_bitmap_io' with type 'void(struct drbd_device *, int (*)(struct drbd_device *, struct drbd_peer_device *), void (*)(struct drbd_device *, int), char *, enum bm_flag)' 1068 | extern void drbd_queue_bitmap_io(struct drbd_device *device, | ^~~~~~~~~~~~~~~~~~~~ drivers/block/drbd/drbd_main.c:3540:5: error: conflicting types for 'drbd_bitmap_io'; have 'int(struct drbd_device *, int (*)(struct drbd_device *, struct drbd_peer_device *), char *, enum bm_flag, struct drbd_peer_device *)' 3540 | int drbd_bitmap_io(struct drbd_device *device, | ^~~~~~~~~~~~~~ drivers/block/drbd/drbd_int.h:1072:12: note: previous declaration of 'drbd_bitmap_io' with type 'int(struct drbd_device *, int (*)(struct drbd_device *, struct drbd_peer_device *), char *, enum bm_flag)' 1072 | extern int drbd_bitmap_io(struct drbd_device *device, | ^~~~~~~~~~~~~~ -- In file included from drivers/block/drbd/drbd_nl.c:24: >> drivers/block/drbd/drbd_int.h:129:39: warning: 'struct drbd_peer_device' declared inside parameter list will not be visible outside of this definition or declaration 129 | extern void INFO_bm_xfer_stats(struct drbd_peer_device *peer_device, | ^~~~~~~~~~~~~~~~ In file included from include/linux/drbd_genl_api.h:54, from drivers/block/drbd/drbd_int.h:35: include/linux/drbd_genl_api.h:51:33: warning: no previous prototype for 'drbd_genl_cmd_to_str' [-Wmissing-prototypes] 51 | #define GENL_MAGIC_FAMILY drbd | ^~~~ include/linux/genl_magic_struct.h:20:25: note: in definition of macro 'CONCAT__' 20 | #define CONCAT__(a,b) a ## b | ^ include/linux/genl_magic_func.h:212:13: note: in expansion of macro 'CONCAT_' 212 | const char *CONCAT_(GENL_MAGIC_FAMILY, _genl_cmd_to_str)(__u8 cmd) | ^~~~~~~ include/linux/genl_magic_func.h:212:21: note: in expansion of macro 'GENL_MAGIC_FAMILY' 212 | const char *CONCAT_(GENL_MAGIC_FAMILY, _genl_cmd_to_str)(__u8 cmd) | ^~~~~~~~~~~~~~~~~ drivers/block/drbd/drbd_nl.c: In function 'drbd_determine_dev_size': drivers/block/drbd/drbd_nl.c:1055:70: warning: pointer type mismatch in conditional expression 1055 | drbd_bitmap_io(device, md_moved ? &drbd_bm_write_all : &drbd_bm_write, | ^ drivers/block/drbd/drbd_nl.c:1055:17: error: too many arguments to function 'drbd_bitmap_io' 1055 | drbd_bitmap_io(device, md_moved ? &drbd_bm_write_all : &drbd_bm_write, | ^~~~~~~~~~~~~~ drivers/block/drbd/drbd_int.h:1072:12: note: declared here 1072 | extern int drbd_bitmap_io(struct drbd_device *device, | ^~~~~~~~~~~~~~ drivers/block/drbd/drbd_nl.c: In function 'drbd_adm_attach': drivers/block/drbd/drbd_nl.c:2029:21: error: too many arguments to function 'drbd_bitmap_io' 2029 | if (drbd_bitmap_io(device, &drbd_bmio_set_n_write, | ^~~~~~~~~~~~~~ drivers/block/drbd/drbd_int.h:1072:12: note: declared here 1072 | extern int drbd_bitmap_io(struct drbd_device *device, | ^~~~~~~~~~~~~~ drivers/block/drbd/drbd_nl.c:2036:21: error: too many arguments to function 'drbd_bitmap_io' 2036 | if (drbd_bitmap_io(device, &drbd_bm_read, | ^~~~~~~~~~~~~~ drivers/block/drbd/drbd_int.h:1072:12: note: declared here 1072 | extern int drbd_bitmap_io(struct drbd_device *device, | ^~~~~~~~~~~~~~ drivers/block/drbd/drbd_nl.c: In function 'drbd_adm_invalidate': drivers/block/drbd/drbd_nl.c:2976:29: error: too many arguments to function 'drbd_bitmap_io' 2976 | if (drbd_bitmap_io(device, &drbd_bmio_set_n_write, | ^~~~~~~~~~~~~~ drivers/block/drbd/drbd_int.h:1072:12: note: declared here 1072 | extern int drbd_bitmap_io(struct drbd_device *device, | ^~~~~~~~~~~~~~ drivers/block/drbd/drbd_nl.c: In function 'drbd_bmio_set_susp_al': drivers/block/drbd/drbd_nl.c:3014:14: error: too few arguments to function 'drbd_bmio_set_n_write' 3014 | rv = drbd_bmio_set_n_write(device); | ^~~~~~~~~~~~~~~~~~~~~ drivers/block/drbd/drbd_int.h:1078:12: note: declared here 1078 | extern int drbd_bmio_set_n_write(struct drbd_device *device, | ^~~~~~~~~~~~~~~~~~~~~ drivers/block/drbd/drbd_nl.c: In function 'drbd_adm_invalidate_peer': drivers/block/drbd/drbd_nl.c:3055:52: error: passing argument 2 of 'drbd_bitmap_io' from incompatible pointer type [-Werror=incompatible-pointer-types] 3055 | if (drbd_bitmap_io(device, &drbd_bmio_set_susp_al, | ^~~~~~~~~~~~~~~~~~~~~~ | | | int (*)(struct drbd_device *) drivers/block/drbd/drbd_int.h:1073:23: note: expected 'int (*)(struct drbd_device *, struct drbd_peer_device *)' but argument is of type 'int (*)(struct drbd_device *)' 1073 | int (*io_fn)(struct drbd_device *, struct drbd_peer_device *), | ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/block/drbd/drbd_nl.c:3055:29: error: too many arguments to function 'drbd_bitmap_io' 3055 | if (drbd_bitmap_io(device, &drbd_bmio_set_susp_al, | ^~~~~~~~~~~~~~ drivers/block/drbd/drbd_int.h:1072:12: note: declared here 1072 | extern int drbd_bitmap_io(struct drbd_device *device, | ^~~~~~~~~~~~~~ drivers/block/drbd/drbd_nl.c: In function 'drbd_adm_new_c_uuid': drivers/block/drbd/drbd_nl.c:4152:23: error: too many arguments to function 'drbd_bitmap_io' 4152 | err = drbd_bitmap_io(device, &drbd_bmio_clear_n_write, | ^~~~~~~~~~~~~~ drivers/block/drbd/drbd_int.h:1072:12: note: declared here 1072 | extern int drbd_bitmap_io(struct drbd_device *device, | ^~~~~~~~~~~~~~ cc1: some warnings being treated as errors -- In file included from drivers/block/drbd/drbd_state.c:17: >> drivers/block/drbd/drbd_int.h:129:39: warning: 'struct drbd_peer_device' declared inside parameter list will not be visible outside of this definition or declaration 129 | extern void INFO_bm_xfer_stats(struct drbd_peer_device *peer_device, | ^~~~~~~~~~~~~~~~ drivers/block/drbd/drbd_state.c:1520:5: error: conflicting types for 'drbd_bitmap_io_from_worker'; have 'int(struct drbd_device *, int (*)(struct drbd_device *, struct drbd_peer_device *), char *, enum bm_flag, struct drbd_peer_device *)' 1520 | int drbd_bitmap_io_from_worker(struct drbd_device *device, | ^~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/block/drbd/drbd_int.h:1075:12: note: previous declaration of 'drbd_bitmap_io_from_worker' with type 'int(struct drbd_device *, int (*)(struct drbd_device *, struct drbd_peer_device *), char *, enum bm_flag)' 1075 | extern int drbd_bitmap_io_from_worker(struct drbd_device *device, | ^~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/block/drbd/drbd_state.c: In function 'after_state_ch': drivers/block/drbd/drbd_state.c:1842:25: error: too few arguments to function 'drbd_bitmap_io_from_worker' 1842 | drbd_bitmap_io_from_worker(device, &drbd_bm_write, | ^~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/block/drbd/drbd_state.c:1520:5: note: declared here 1520 | int drbd_bitmap_io_from_worker(struct drbd_device *device, | ^~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/block/drbd/drbd_state.c:1854:17: error: too few arguments to function 'drbd_bitmap_io_from_worker' 1854 | drbd_bitmap_io_from_worker(device, &drbd_bm_write, | ^~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/block/drbd/drbd_state.c:1520:5: note: declared here 1520 | int drbd_bitmap_io_from_worker(struct drbd_device *device, | ^~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/block/drbd/drbd_state.c:2014:46: error: passing argument 2 of 'drbd_queue_bitmap_io' from incompatible pointer type [-Werror=incompatible-pointer-types] 2014 | drbd_queue_bitmap_io(device, &drbd_bm_write_copy_pages, NULL, | ^~~~~~~~~~~~~~~~~~~~~~~~~ | | | int (*)(struct drbd_device *) drivers/block/drbd/drbd_int.h:1069:40: note: expected 'int (*)(struct drbd_device *, struct drbd_peer_device *)' but argument is of type 'int (*)(struct drbd_device *)' 1069 | int (*io_fn)(struct drbd_device *, struct drbd_peer_device *), | ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +129 drivers/block/drbd/drbd_int.h 128 > 129 extern void INFO_bm_xfer_stats(struct drbd_peer_device *peer_device, 130 const char *direction, struct bm_xfer_ctx *c); 131 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests