new helper: replace_fd()
analog of dup2(), except that it takes struct file * as source.
Signed-off-by: 
Al Viro <viro@zeniv.linux.org.uk>
parent
fe17f22d
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analog of dup2(), except that it takes struct file * as source.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>