linux-next: build failure after merge of the block tree

Mark Brown
2024-06-21T15:40:31Z

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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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