.\"
.\" SPDX-License-Identifier: BSD-2-Clause
.\"
.\" Copyright (c) 2025 Mateusz Piotrowski <0mp@FreeBSD.org>
.\"
.Dd October 24, 2025
.Dt DEADFS 9
.Os
.Sh NAME
.Nm deadfs
.Nd pseudo-filesystem to own reclaimed vnodes
.Sh DESCRIPTION
The
.Nm
file system implements operations that do not modify any data
and instead return indications of invalid IO.
Its role is to provide a fallback vnode operations vector for reclaimed
.Xr vnode 9 Ap s .
.Pp
It is a kernel-only pseudo-file system and so cannot be mounted from userspace.
.Sh SEE ALSO
.Xr insmntque 9 ,
.Xr vnode 9 ,
.Xr VOP_RECLAIM 9
.Sh HISTORY
UNIX System Manager's Manual (SMM) for
.Bx 4.4
described
.Nm
as a file system
.Dq where rejected vnodes go to die .
.Sh AUTHORS
The
.Nm
manual page was written by
.An Mateusz Piotrowski Aq Mt 0mp@FreeBSD.org .