Christoph Hellwig f073531070 init: add an init_dup helper ...

Add a simple helper to grab a reference to a file and install it at
the next available fd, and switch the early init code over to it.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

2020-08-04 21:02:38 -04:00

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