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The F_GETLK64/F_SETLK64/F_SETLKW64 fcntl opcodes are only implemented
for the 32-bit syscall APIs, but are also needed for compat handling
on 64-bit kernels.
Consolidate them in unistd.h instead of definining the internal compat
definitions in compat.h, which is rather error prone (e.g. parisc
gets the values wrong currently).
Note that before this change they were never visible to userspace due
to the fact that CONFIG_64BIT is only set for kernel builds.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Guo Ren <guoren@kernel.org>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Tested-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/20220405071314.3225832-3-guoren@kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
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Don't bother to define the symbols empty, just don't use them.
That makes the intent a little more clear.
Remove the unused HAVE_ARCH_STRUCT_FLOCK64 define and merge the
32-bit mips struct flock into the generic one.
Add a new __ARCH_FLOCK_EXTRA_SYSID macro following the style of
__ARCH_FLOCK_PAD to avoid having a separate definition just for
one architecture.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Guo Ren <guoren@kernel.org>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Tested-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/20220405071314.3225832-2-guoren@kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
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We'll need defines for beautifying fcntl arguments that are not
available in older distros, these:
trace/beauty/fcntl.c: In function 'syscall_arg__scnprintf_fcntl_arg':
trace/beauty/fcntl.c:93: error: 'F_OFD_SETLK' undeclared (first use in this function)
trace/beauty/fcntl.c:93: error: (Each undeclared identifier is reported only once
trace/beauty/fcntl.c:93: error: for each function it appears in.)
trace/beauty/fcntl.c:93: error: 'F_OFD_SETLKW' undeclared (first use in this function)
trace/beauty/fcntl.c:93: error: 'F_OFD_GETLK' undeclared (first use in this function)
trace/beauty/fcntl.c:94: error: 'F_GETOWN_EX' undeclared (first use in this function)
trace/beauty/fcntl.c:94: error: 'F_SETOWN_EX' undeclared (first use in this function)
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-gvlw67a47e9z65jdunj4je5s@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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