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[ Upstream commitc3eeaae9fd] Something changed recently to uncover this warning: samples/vfs/test-statx.c:24:15: warning: `struct foo' declared inside parameter list will not be visible outside of this definition or declaration 24 | #define statx foo | ^~~ Which is due the use of "struct statx" (here, "struct foo") in a function prototype argument list before it has been defined: int # 56 "/usr/include/x86_64-linux-gnu/bits/statx-generic.h" foo # 56 "/usr/include/x86_64-linux-gnu/bits/statx-generic.h" 3 4 (int __dirfd, const char *__restrict __path, int __flags, unsigned int __mask, struct # 57 "/usr/include/x86_64-linux-gnu/bits/statx-generic.h" foo # 57 "/usr/include/x86_64-linux-gnu/bits/statx-generic.h" 3 4 *__restrict __buf) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (2, 5))); Add explicit struct before #include to avoid warning. Fixes:f1b5618e01("vfs: Add a sample program for the new mount API") Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Cc: Miklos Szeredi <mszeredi@redhat.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: David Howells <dhowells@redhat.com> Link: http://lkml.kernel.org/r/202006282213.C516EA6@keescook Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
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.