btrfs: allow scanning multiple devices during mount

Allows to specify one or multiple device=/dev/foo options during mount
so that ioctls on the control device can be avoided.  Especially useful
when trying to mount a multi-device setup as root.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
1 file changed
tree: 3eab1d2b29d348b37788cc03cce84a92850fd35f
  1. fs/