Btrfs: remove remaining ref-cache code
Since commit f2a97a9d ("btrfs: remove all unused functions"), there's no extern functions at all in ref-cache.c, so just remove the remaining dead code. Signed-off-by:Li Zefan <lizf@cn.fujitsu.com> Signed-off-by:
Chris Mason <chris.mason@oracle.com>
parent
b9c8300c
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