nbd: allow device creation at a specific index
authorJosef Bacik <jbacik@fb.com>
Mon, 14 Aug 2017 18:25:33 +0000 (18:25 +0000)
committerJens Axboe <axboe@kernel.dk>
Thu, 17 Aug 2017 17:02:57 +0000 (11:02 -0600)
commite6a76272d0fb50cb3cc773f4fc6f67c14fb4b157
tree998d7a6b571ef5f6090a742ee478bcde8c7ca313
parenta8c1d064d3e80aa9e3ca39e908391e433cc53f78
nbd: allow device creation at a specific index

If users really want to use a particular index for their nbd device and it
doesn't already exist there's no reason we can't just create it for them.  Do
this instead of erroring out.

Signed-off-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
drivers/block/nbd.c