1.\" 2.\" Copyright (C) 2001 Chad David <davidc@acns.ab.ca>. All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice(s), this list of conditions and the following disclaimer as 9.\" the first lines of this file unmodified other than the possible 10.\" addition of one or more copyright notices. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice(s), this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 15.\" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY 16.\" EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 17.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 18.\" DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) BE LIABLE FOR ANY 19.\" DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 20.\" (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 21.\" SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 22.\" CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH 25.\" DAMAGE. 26.\" 27.Dd November 21, 2001 28.Dt VFLUSH 9 29.Os 30.Sh NAME 31.Nm vflush 32.Nd "flush vnodes for a mount point" 33.Sh SYNOPSIS 34.In sys/param.h 35.In sys/vnode.h 36.Ft int 37.Fn vflush "struct mount *mp" "int rootrefs" "int flags" "struct thread *td" 38.Sh DESCRIPTION 39The 40.Fn vflush 41function removes any vnodes in the vnode table that belong to the given 42.Vt mount 43structure. 44.Pp 45Its arguments are: 46.Bl -tag -width ".Fa rootrefs" 47.It Fa mp 48The mount point whose vnodes should be removed. 49.It Fa rootrefs 50The number of references expected on the root vnode. 51.Xr vrele 9 52will be invoked on the root vnode 53.Fa rootrefs 54times. 55.It Fa flags 56The flags indicating how vnodes should be handled. 57.Bl -tag -width ".Dv WRITECLOSE" 58.It Dv FORCECLOSE 59If set, busy vnodes will be forcibly closed. 60.It Dv SKIPSYSTEM 61If set, vnodes with the 62.Dv VV_SYSTEM 63flag set will be skipped. 64.It Dv WRITECLOSE 65If set, only regular files currently opened for writing will be removed. 66.El 67.It Fa td 68The calling thread. 69.El 70.Sh RETURN VALUES 71A value of 0 is returned if the flush is successful; otherwise, 72.Er EBUSY 73will be returned. 74.Sh SEE ALSO 75.Xr vgone 9 , 76.Xr vrele 9 77.Sh AUTHORS 78This manual page was written by 79.An Chad David Aq Mt davidc@acns.ab.ca . 80