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Diffstat (limited to 'static/freebsd/man9/VOP_INACTIVE.9')
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diff --git a/static/freebsd/man9/VOP_INACTIVE.9 b/static/freebsd/man9/VOP_INACTIVE.9 new file mode 100644 index 00000000..a137d6fb --- /dev/null +++ b/static/freebsd/man9/VOP_INACTIVE.9 @@ -0,0 +1,79 @@ +.\" -*- nroff -*- +.\" +.\" Copyright (c) 1996 Doug Rabson +.\" +.\" All rights reserved. +.\" +.\" This program is free software. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY EXPRESS OR +.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES +.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. +.\" IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT, +.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT +.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF +.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +.\" +.Dd March 15, 2019 +.Dt VOP_INACTIVE 9 +.Os +.Sh NAME +.Nm VOP_INACTIVE , +.Nm VOP_RECLAIM +.Nd reclaim file system resources for a vnode +.Sh SYNOPSIS +.In sys/param.h +.In sys/vnode.h +.Ft int +.Fn VOP_INACTIVE "struct vnode *vp" "struct thread *td" +.Ft int +.Fn VOP_RECLAIM "struct vnode *vp" "struct thread *td" +.Sh DESCRIPTION +The arguments are: +.Bl -tag -width 2n +.It Fa vp +The vnode being reclaimed. +.El +.Pp +.Fn VOP_INACTIVE +is usually called when the kernel is no longer using the vnode. +However, there is no guarantee that it will be called at all, for example if +the last reference was dropped while the vnode lock could not be upgraded +to exclusive without sleeping. +This may be +because the reference count reaches zero or it may be that the +file system is being forcibly unmounted while there are open files. +It can be used to reclaim space on the last close of an +.Sq open but deleted +file. +.Pp +.Fn VOP_RECLAIM +is called when a vnode is being reused for a different file system. +Any file system specific resources associated with the vnode should be +freed. +.Sh LOCKS +For both +.Fn VOP_INACTIVE +and +.Fn VOP_RECLAIM , +the +.Fa vp +will be exclusively locked on entry, and must be left exclusively +locked on return. +.Sh SEE ALSO +.Xr vnode 9 +.Sh AUTHORS +This manual page was written by +.An Doug Rabson . |
