git: devfs - Allow clone code to reuse an existing device

[Matthew Dillon]

commit 2c94b9eeb85c6cfa5ff918aa58ce484b27fc7c91
Author: Matthew Dillon <dillon at apollo.backplane.com>
Date:   Sun Jan 4 20:54:56 2015 -0800

    devfs - Allow clone code to reuse an existing device
    
    * Allow the clone code to set a replacement device which already exists
      in devfs.
    
    * This will allow the sound code to cache virtual channel devices after
      use.

Summary of changes:
 sys/vfs/devfs/devfs_core.c  | 29 +++++++++++++++++++++++------
 sys/vfs/devfs/devfs_vnops.c | 18 +++++++++++-------
 2 files changed, 34 insertions(+), 13 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/2c94b9eeb85c6cfa5ff918aa58ce484b27fc7c91


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