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git2svn
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V 27
2022-01-27T00:15:24.562695Z
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V 485
mount_nfs: Add a "bgnow" NFS mount option

The "bg" option does not go background until the initial mount
attempt fails, which can take 60+ seconds.

This new "bgnow" option goes background immediately, avoiding
the 60+ second delay, if the NFS server is not yet available.

The man page update is a content change.

PR:		260764

(cherry picked from commit 08a8d16cbb269d4c2be02eb67351c59d16f4ecb9)

Git Hash:   62db233e1fd23827fa90527ac90c4d98c9644ef5
Git Author: rmacklem@FreeBSD.org
END