From nobody Sat Nov 08 11:05:03 2025 X-Original-To: dev-commits-src-branches@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4d3Y400BL6z658D4; Sat, 08 Nov 2025 11:05:04 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R12" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4d3Y3z1VtTz3q1W; Sat, 08 Nov 2025 11:05:03 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1762599903; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=uzRrDWt8UDZz5VANm9WnNGjDUmN7bgs4mE+hyHAMUQw=; b=DxIVCCECSQ6CUgnGEe3uOG8OHf9JFJUYqk41kjUCMUZTddaDOumNOMv/+5fcBalg+Jca85 Z9da7WqgHpf743HqGmWmjhCithuvLqPChPAaQAjt94TVgics5JnuhjzipCINKmkP2o8cu9 vyOVsi2zimSs5WeipO85uX72z8x3LEMWLWk/Qt/y/2IWD8d6FAKMSBbwUkvtkdiTBHSex4 FWRkrt61zZ/85lb4R/l8FEwEuvJ23metxn59+YDbUB1DrG1Ckg6Ak1tR5RHvzRBEOKNSOB ufyhPacffsq4g8EYCqwLUuBUhwUtVaA/iMbzMQ4Dh53/dEVuNq0fqdauqwfHxQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1762599903; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=uzRrDWt8UDZz5VANm9WnNGjDUmN7bgs4mE+hyHAMUQw=; b=cGvMmKq0okCdISUtpAzdSjYfJoCyBBl8BuLNVhizQQoaV1AYN3OducH7xh1dlYtwenV+sd NtBHTxlpBjEnS7AuVe4VZ9JPg+CdRUt2/HQSO375iX2/qsVlOZoYnIRnJATiTyGX/knk+4 MJE/4KmgUIxJ3Jzv4XiY8BmIJZGocavDTtVW5LgEkERPHelwJzuz5RedFXltUrODL+FXCe 7Ge8tgw/0CKAAwg/pGFSNHVyL2NcduJDWcOg5r7icpMuRGwginXe9VZykKYzR5JdE0iWhE WB8E0M7TLnmfhJp5wpzhivzCmugCXJ7g8F7cnYJbpF4btqcnFgx1zMXSqmaf3w== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1762599903; a=rsa-sha256; cv=none; b=ITnEtKr0YpRYO6kANEyVES/qe2CQ2aMBNqYjvqnHOkWaFjzDytkjbklChabPU/j4FMttO9 n/gc0Dry0ELlsG/O5QukyHfzI+azlwQEMNQ67N4eNwpeIigDxqnbaRJrSxtyoPiXNXPhiA Lk91FMrPadi3lRMcaQA/NiEviyg9ndTtDVI0ucGORpAx/NtK39/a8mdmlXH1Kb79ZF5jHt y1RxdYQtJ3gbUo1nfRKbTrhlrDwHfu6OVaVo5hujPufk2qALc30Ky5S71oWkLsHcQ2OUoN NvqtlRSebOgc0sujSYAv0KkewNElrTfBXP5p5dCiwhpTaoC1q+b9BoTM7XNnmg== ARC-Authentication-Results: i=1; mx1.freebsd.org; none Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4d3Y3z0tKszk9g; Sat, 08 Nov 2025 11:05:03 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.18.1/8.18.1) with ESMTP id 5A8B53kG069698; Sat, 8 Nov 2025 11:05:03 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.18.1/8.18.1/Submit) id 5A8B53cc069695; Sat, 8 Nov 2025 11:05:03 GMT (envelope-from git) Date: Sat, 8 Nov 2025 11:05:03 GMT Message-Id: <202511081105.5A8B53cc069695@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Mateusz Piotrowski <0mp@FreeBSD.org> Subject: git: cd77df4c057e - stable/13 - deadfs.9: Document List-Id: Commits to the stable branches of the FreeBSD src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-branches List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-branches@freebsd.org Sender: owner-dev-commits-src-branches@FreeBSD.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: 0mp X-Git-Repository: src X-Git-Refname: refs/heads/stable/13 X-Git-Reftype: branch X-Git-Commit: cd77df4c057e51d3a36368d40019b23f9c8a8296 Auto-Submitted: auto-generated The branch stable/13 has been updated by 0mp: URL: https://cgit.FreeBSD.org/src/commit/?id=cd77df4c057e51d3a36368d40019b23f9c8a8296 commit cd77df4c057e51d3a36368d40019b23f9c8a8296 Author: Mateusz Piotrowski <0mp@FreeBSD.org> AuthorDate: 2025-10-24 18:08:31 +0000 Commit: Mateusz Piotrowski <0mp@FreeBSD.org> CommitDate: 2025-11-08 11:04:54 +0000 deadfs.9: Document Reviewed by: kib MFC after: 2 weeks Differential Revision: https://reviews.freebsd.org/D53334 (cherry picked from commit daa6660f899309f832bba0c7ac72dada125cfed5) --- share/man/man9/Makefile | 1 + share/man/man9/deadfs.9 | 36 ++++++++++++++++++++++++++++++++++++ 2 files changed, 37 insertions(+) diff --git a/share/man/man9/Makefile b/share/man/man9/Makefile index ca17497fc490..99fa72fabc64 100644 --- a/share/man/man9/Makefile +++ b/share/man/man9/Makefile @@ -84,6 +84,7 @@ MAN= accept_filter.9 \ DECLARE_MODULE.9 \ DEFINE_IFUNC.9 \ DELAY.9 \ + deadfs.9 \ devclass.9 \ devclass_find.9 \ devclass_get_device.9 \ diff --git a/share/man/man9/deadfs.9 b/share/man/man9/deadfs.9 new file mode 100644 index 000000000000..360451266625 --- /dev/null +++ b/share/man/man9/deadfs.9 @@ -0,0 +1,36 @@ +.\" +.\" 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 vnods go to die . +.Sh AUTHORS +The +.Nm +manual page was written by +.An Mateusz Piotrowski Aq Mt 0mp@FreeBSD.org .