1*daa6660fSMateusz Piotrowski.\" 2*daa6660fSMateusz Piotrowski.\" SPDX-License-Identifier: BSD-2-Clause 3*daa6660fSMateusz Piotrowski.\" 4*daa6660fSMateusz Piotrowski.\" Copyright (c) 2025 Mateusz Piotrowski <0mp@FreeBSD.org> 5*daa6660fSMateusz Piotrowski.\" 6*daa6660fSMateusz Piotrowski.Dd October 24, 2025 7*daa6660fSMateusz Piotrowski.Dt DEADFS 9 8*daa6660fSMateusz Piotrowski.Os 9*daa6660fSMateusz Piotrowski.Sh NAME 10*daa6660fSMateusz Piotrowski.Nm deadfs 11*daa6660fSMateusz Piotrowski.Nd pseudo-filesystem to own reclaimed vnodes 12*daa6660fSMateusz Piotrowski.Sh DESCRIPTION 13*daa6660fSMateusz PiotrowskiThe 14*daa6660fSMateusz Piotrowski.Nm 15*daa6660fSMateusz Piotrowskifile system implements operations that do not modify any data 16*daa6660fSMateusz Piotrowskiand instead return indications of invalid IO. 17*daa6660fSMateusz PiotrowskiIts role is to provide a fallback vnode operations vector for reclaimed 18*daa6660fSMateusz Piotrowski.Xr vnode 9 Ap s . 19*daa6660fSMateusz Piotrowski.Pp 20*daa6660fSMateusz PiotrowskiIt is a kernel-only pseudo-file system and so cannot be mounted from userspace. 21*daa6660fSMateusz Piotrowski.Sh SEE ALSO 22*daa6660fSMateusz Piotrowski.Xr insmntque 9 , 23*daa6660fSMateusz Piotrowski.Xr vnode 9 , 24*daa6660fSMateusz Piotrowski.Xr VOP_RECLAIM 9 25*daa6660fSMateusz Piotrowski.Sh HISTORY 26*daa6660fSMateusz PiotrowskiUNIX System Manager's Manual (SMM) for 27*daa6660fSMateusz Piotrowski.Bx 4.4 28*daa6660fSMateusz Piotrowskidescribed 29*daa6660fSMateusz Piotrowski.Nm 30*daa6660fSMateusz Piotrowskias a file system 31*daa6660fSMateusz Piotrowski.Dq where rejected vnods go to die . 32*daa6660fSMateusz Piotrowski.Sh AUTHORS 33*daa6660fSMateusz PiotrowskiThe 34*daa6660fSMateusz Piotrowski.Nm 35*daa6660fSMateusz Piotrowskimanual page was written by 36*daa6660fSMateusz Piotrowski.An Mateusz Piotrowski Aq Mt 0mp@FreeBSD.org . 37