trasz aea1562f16 Add new unmount(2) flag, MNT_NONBUSY, to check whether there are
any open vnodes before proceeding. Make autounmound(8) use this flag.
Without it, even an unsuccessfull unmount causes filesystem flush,
which interferes with normal operation.

Reviewed by:	kib@
Approved by:	re (gjb@)
MFC after:	1 month
Differential Revision:	https://reviews.freebsd.org/D7047
2016-07-07 09:03:57 +00:00
..
2015-04-22 14:38:58 +00:00
2016-06-09 18:27:41 +00:00
2016-02-23 23:37:10 +00:00
2015-01-22 11:12:42 +00:00
2016-04-29 22:15:33 +00:00
2015-03-17 14:16:50 +00:00
2016-04-14 17:07:26 +00:00
2016-04-29 21:54:28 +00:00