xref: /freebsd/share/man/man9/vflush.9 (revision e6bfd18d21b225af6a0ed67ceeaf1293b7b9eba5)
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27.\" $FreeBSD$
28.\"
29.Dd November 21, 2001
30.Dt VFLUSH 9
31.Os
32.Sh NAME
33.Nm vflush
34.Nd "flush vnodes for a mount point"
35.Sh SYNOPSIS
36.In sys/param.h
37.In sys/vnode.h
38.Ft int
39.Fn vflush "struct mount *mp" "int rootrefs" "int flags" "struct thread *td"
40.Sh DESCRIPTION
41The
42.Fn vflush
43function removes any vnodes in the vnode table that belong to the given
44.Vt mount
45structure.
46.Pp
47Its arguments are:
48.Bl -tag -width ".Fa rootrefs"
49.It Fa mp
50The mount point whose vnodes should be removed.
51.It Fa rootrefs
52The number of references expected on the root vnode.
53.Xr vrele 9
54will be invoked on the root vnode
55.Fa rootrefs
56times.
57.It Fa flags
58The flags indicating how vnodes should be handled.
59.Bl -tag -width ".Dv WRITECLOSE"
60.It Dv FORCECLOSE
61If set, busy vnodes will be forcibly closed.
62.It Dv SKIPSYSTEM
63If set, vnodes with the
64.Dv VV_SYSTEM
65flag set will be skipped.
66.It Dv WRITECLOSE
67If set, only regular files currently opened for writing will be removed.
68.El
69.It Fa td
70The calling thread.
71.El
72.Sh RETURN VALUES
73A value of 0 is returned if the flush is successful; otherwise,
74.Er EBUSY
75will be returned.
76.Sh SEE ALSO
77.Xr vgone 9 ,
78.Xr vrele 9
79.Sh AUTHORS
80This manual page was written by
81.An Chad David Aq Mt davidc@acns.ab.ca .
82