1.\" 2.\" SPDX-License-Identifier: BSD-2-Clause 3.\" 4.\" Copyright (c) 2025 Mateusz Piotrowski <0mp@FreeBSD.org> 5.\" 6.Dd October 24, 2025 7.Dt DEADFS 9 8.Os 9.Sh NAME 10.Nm deadfs 11.Nd pseudo-filesystem to own reclaimed vnodes 12.Sh DESCRIPTION 13The 14.Nm 15file system implements operations that do not modify any data 16and instead return indications of invalid IO. 17Its role is to provide a fallback vnode operations vector for reclaimed 18.Xr vnode 9 Ap s . 19.Pp 20It is a kernel-only pseudo-file system and so cannot be mounted from userspace. 21.Sh SEE ALSO 22.Xr insmntque 9 , 23.Xr vnode 9 , 24.Xr VOP_RECLAIM 9 25.Sh HISTORY 26UNIX System Manager's Manual (SMM) for 27.Bx 4.4 28described 29.Nm 30as a file system 31.Dq where rejected vnodes go to die . 32.Sh AUTHORS 33The 34.Nm 35manual page was written by 36.An Mateusz Piotrowski Aq Mt 0mp@FreeBSD.org . 37