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f7ed15eb17
When building bcachefs for 32-bit ARM, there is a compiler warning in
bch2_btree_key_cache_to_text() due to use of an incorrect format
specifier:
fs/bcachefs/btree_key_cache.c:1060:36: error: format specifies type 'size_t' (aka 'unsigned int') but the argument has type 'long' [-Werror,-Wformat]
1060 | prt_printf(out, "nr_freed:\t%zu", atomic_long_read(&c->nr_freed));
| ~~~ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| %ld
fs/bcachefs/util.h:223:54: note: expanded from macro 'prt_printf'
223 | #define prt_printf(_out, ...) bch2_prt_printf(_out, __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 '%lu' to match the other format specifiers used in
this function for printing values returned from atomic_long_read().
Fixes: 6d799930ce0f ("bcachefs: btree key cache pcpu freedlist")
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.