K 10
svn:author
V 3
imp
K 8
svn:date
V 27
2020-08-19T17:10:04.900304Z
K 7
svn:log
V 321
Add VFS FS events for mount and unmount to devctl/devd

Report when a filesystem is mounted, remounted or unmounted via devd, along with
details about the mount point and mount options.

Discussed with:	kib@
Reviewed by: kirk@ (prior version)
Sponsored by: Netflix
Diffential Revision: https://reviews.freebsd.org/D25969

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