chs 3c58c3daec 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		2020-03-06 18:41:37 +00:00
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mntfs_vnops.c