sys/dev/disk/dm: Ignore zero-filled uuid on inserting a dm device
authorTomohiro Kusumi <kusumi.tomohiro@gmail.com>
Tue, 13 Oct 2015 05:55:56 +0000 (14:55 +0900)
committerTomohiro Kusumi <kusumi.tomohiro@gmail.com>
Wed, 14 Oct 2015 19:06:20 +0000 (04:06 +0900)
commit03821153fc23b82d42316ad8dd63ac8852a65105
tree3423e0b20070775606152391240b1130e1ffd4c0
parent7ed81407385dcf9e6b82d756facd65595f674243
sys/dev/disk/dm: Ignore zero-filled uuid on inserting a dm device

PR2843
http://bugs.dragonflybsd.org/issues/2843

dm targets that use dmsetup(8) without dedicated high-level
commands are almost unusable without this fix.
sys/dev/disk/dm/dm_dev.c