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34 .Nd "marks a mount point as busy"
39 .Fn vfs_busy "struct mount *mp" "int flags"
43 function marks a mount point as busy by incrementing
44 the reference count of a mount point.
45 It also delays unmounting by sleeping on
58 .Bl -tag -width ".Fa flags"
60 The mount point to busy.
65 .Bl -tag -width ".Dv MBF_MNTLSTLOCK"
71 drop the mountlist_mtx in the critical path.
75 A 0 value is returned on success.
76 If the mount point is being
77 unmounted and MBF_NOWAIT flag is specified
83 The mount point is being unmounted
88 This manual page was written by
89 .An Chad David Aq davidc@acns.ab.ca .