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fac1250a8c
When building bcachefs for 32-bit ARM, there is a compiler warning in
bch2_set_bucket_needs_journal_commit() due to a debug print using the
wrong specifier:
fs/bcachefs/buckets_waiting_for_journal.c:137:30: error: format specifies type 'size_t' (aka 'unsigned int') but the argument has type 'unsigned long' [-Werror,-Wformat]
136 | pr_debug("took %zu rehashes, table at %zu/%zu elements",
| ~~~
| %lu
137 | nr_rehashes, nr_elements, 1UL << b->t->bits);
| ^~~~~~~~~~~~~~~~~
include/linux/printk.h:579:26: note: expanded from macro 'pr_debug'
579 | dynamic_pr_debug(fmt, ##__VA_ARGS__)
| ~~~ ^~~~~~~~~~~
include/linux/dynamic_debug.h:270:22: note: expanded from macro 'dynamic_pr_debug'
270 | pr_fmt(fmt), ##__VA_ARGS__)
| ~~~ ^~~~~~~~~~~
include/linux/dynamic_debug.h:250:59: note: expanded from macro '_dynamic_func_call'
250 | _dynamic_func_call_cls(_DPRINTK_CLASS_DFLT, fmt, func, ##__VA_ARGS__)
| ^~~~~~~~~~~
include/linux/dynamic_debug.h:248:65: note: expanded from macro '_dynamic_func_call_cls'
248 | __dynamic_func_call_cls(__UNIQUE_ID(ddebug), cls, fmt, func, ##__VA_ARGS__)
| ^~~~~~~~~~~
include/linux/dynamic_debug.h:224:15: note: expanded from macro '__dynamic_func_call_cls'
224 | func(&id, ##__VA_ARGS__); \
| ^~~~~~~~~~~
1 error generated.
On 64-bit architectures, size_t is 'unsigned long', so there is no
warning when using %zu but on 32-bit architectures, size_t is
'unsigned int'. Use the correct specifier to resolve the warning.
Fixes: 7a82e75ddaef ("bcachefs: New data structure for buckets waiting on journal commit")
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.