Maxim Sobolev f7ca2bbe44 Add ability to label md(4) devices. ... This feature comes from the fact that we rely memory-backed md(4) in our build process heavily. However, if the build goes haywire the allocated resources (i.e. swap and memory-backed md(4)'s) need to be purged. It is extremely useful to have ability to attach arbitrary labels to each of the virtual disks so that they can be identified and GC'ed if neecessary. MFC after: 4 weeks Differential Revision: https://reviews.freebsd.org/D10457		2017-08-28 15:54:07 +00:00
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md.c	Add ability to label md(4) devices.	2017-08-28 15:54:07 +00:00