K 10
svn:author
V 3
chs
K 8
svn:date
V 27
2020-03-06T18:41:37.310648Z
K 7
svn:log
V 441
Add a new "mntfs" pseudo file system which provides private device vnodes for
file systems to safely access their disk devices, and adapt FFS to use it.
Also add a new BO_NOBUFS flag to allow enforcing that file systems using
mntfs vnodes do not accidentally use the original devfs vnode to create buffers.

Reviewed by:	kib, mckusick
Approved by:	imp (mentor)
Sponsored by:	Netflix
Differential Revision:	https://reviews.freebsd.org/D23787

END