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由 James Hogan 提交于
The new renameat2 syscall provides all the functionality of renameat with an additional flags argument, so make renameat optional so that future architectures can omit it without getting a warning. This patch doesn't affect existing architectures. Signed-off-by: NJames Hogan <james.hogan@imgtec.com> Acked-by: NArnd Bergmann <arnd@arndb.de> Signed-off-by: NMiklos Szeredi <mszeredi@suse.cz> Cc: linux-arch@vger.kernel.org
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