Hi all, After merging the block tree, today's linux-next build (arm multi_v7_defconfig) failed like this: In file included from /tmp/next/build/include/linux/printk.h:10, from /tmp/next/build/include/linux/kernel.h:31, from /tmp/next/build/block/blk-settings.c:5: /tmp/next/build/block/blk-settings.c: In function 'blk_validate_atomic_write_limits': /tmp/next/build/include/asm-generic/div64.h:222:35: warning: comparison of distinct pointer types lacks a cast 222 | (void)(((typeof((n)) *)0) == ((uint64_t *)0)); \ | ^~ /tmp/next/build/include/linux/once_lite.h:28:41: note: in definition of macro 'DO_ONCE_LITE_IF' 28 | bool __ret_do_once = !!(condition); \ | ^~~~~~~~~ /tmp/next/build/block/blk-settings.c:200:21: note: in expansion of macro 'WARN_ON_ONCE' 200 | if (WARN_ON_ONCE(do_div(chunk_sectors, boundary_sectors))) | ^~~~~~~~~~~~ /tmp/next/build/block/blk-settings.c:200:34: note: in expansion of macro 'do_div' 200 | if (WARN_ON_ONCE(do_div(chunk_sectors, boundary_sectors))) | ^~~~~~ /tmp/next/build/include/asm-generic/div64.h:234:32: warning: right shift count >= width of type [-Wshift-count-overflow] 234 | } else if (likely(((n) >> 32) == 0)) { \ | ^~ /tmp/next/build/include/linux/once_lite.h:28:41: note: in definition of macro 'DO_ONCE_LITE_IF' 28 | bool __ret_do_once = !!(condition); \ | ^~~~~~~~~ /tmp/next/build/block/blk-settings.c:200:21: note: in expansion of macro 'WARN_ON_ONCE' 200 | if (WARN_ON_ONCE(do_div(chunk_sectors, boundary_sectors))) | ^~~~~~~~~~~~ /tmp/next/build/include/asm-generic/div64.h:234:20: note: in expansion of macro 'likely' 234 | } else if (likely(((n) >> 32) == 0)) { \ | ^~~~~~ /tmp/next/build/block/blk-settings.c:200:34: note: in expansion of macro 'do_div' 200 | if (WARN_ON_ONCE(do_div(chunk_sectors, boundary_sectors))) | ^~~~~~ /tmp/next/build/include/asm-generic/div64.h:238:36: error: passing argument 1 of '__div64_32' from incompatible pointer type [-Werror=incompatible-pointer-types] 238 | __rem = __div64_32(&(n), __base); \ | ^~~~ | | | unsigned int * /tmp/next/build/include/linux/once_lite.h:28:41: note: in definition of macro 'DO_ONCE_LITE_IF' 28 | bool __ret_do_once = !!(condition); \ | ^~~~~~~~~ /tmp/next/build/block/blk-settings.c:200:21: note: in expansion of macro 'WARN_ON_ONCE' 200 | if (WARN_ON_ONCE(do_div(chunk_sectors, boundary_sectors))) | ^~~~~~~~~~~~ /tmp/next/build/block/blk-settings.c:200:34: note: in expansion of macro 'do_div' 200 | if (WARN_ON_ONCE(do_div(chunk_sectors, boundary_sectors))) | ^~~~~~ In file included from /tmp/next/build/include/linux/math.h:6, from /tmp/next/build/include/linux/kernel.h:27, from /tmp/next/build/block/blk-settings.c:5: /tmp/next/build/arch/arm/include/asm/div64.h:24:45: note: expected 'uint64_t *' {aka 'long long unsigned int *'} but argument is of type 'unsigned int *' 24 | static inline uint32_t __div64_32(uint64_t *n, uint32_t base) | ~~~~~~~~~~^ cc1: some warnings being treated as errors Caused by commit 9da3d1e912f ("block: Add core atomic write support") I have used the version from yesterday instead.
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