From nobody Sat Nov 08 11:04:49 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 4d3Y3j5QTYz657xQ; Sat, 08 Nov 2025 11:04:49 +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 4d3Y3j4h3Yz3pjl; Sat, 08 Nov 2025 11:04:49 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1762599889; 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=SkKQiZ1L1xGk4hH5Kiy7WZWIxpxB3OPzUCWO+wfp0JA=; b=KJzbrxNi9HUyh6RqdepOIFtTrUx7CahnUHKO+a55BAuk8hihJIgitdnHAyA+K7jxoZWuC0 FdnuHxpMdbVgomfnHzQvCaY8Wwl9h2JoxG8mbi5BQdGs3oDxZtJmYJVfD+QKMzGsZ20RWa vGaKoOjEJpU4EApkg48p9bHq4rQVdfJMZuuPWllYxI2mucQlKmB5QQM3tJ/GF+MAzXIksn +IVbxxaIn66JUlf4tqq6f8PPkqFXAgpL1fGcprQTYpEumltCPvcxHCqaeLnwwye8j9aUpM 5x/6c0rXx6l+azfblgDTSP3gDvgLqA6OGBNm8jb8HkmS2Pz7BSyfSY6taTCyqA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1762599889; 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=SkKQiZ1L1xGk4hH5Kiy7WZWIxpxB3OPzUCWO+wfp0JA=; b=NSe5G1nMHSQ4JV7kAGPZAxKcAPwMaRXmvVHCryB5oIrfmNHHRplrwLBwWjXG2V21MTO96o avbScERipS53dB+C/cGyTKavWT1NQq6xgyj0Yv2ZH1dKKGP5uZhhHY3MNO6mzl+YJnVQLC 7qmkG9kSQpwJRD4MyfszrPbnhiHIjC4fkB+JMsHDGsa5ePAiDA7yZru2KeNvq6tmdEbI9L jC+zNths/F8ZJxYcEpRfF3HW8fupRHmgiVodlCA2PJaBqjjdFS9IW3RMGk9sDZLgKG7PEx rEDpz0LPw9z3B3Jqtjzqv39eA9Pcgz1vLP68uum5Q98UfAgx9sR3H6BivWYUoQ== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1762599889; a=rsa-sha256; cv=none; b=BHW2CNO+oF6gPkJZ68BaQIX/P3fVIo2SaGOTdAs6Lhdpev7ye9Rgr8JJuzK1Ws+R5YBuI5 qO4XYPqeIBlFRRSsecU7S/nZKO53ZOmqmaAQwWgkxBQJy9LdE3Vc90pXNpU0/4+0RJwz/f 0dRLQe5dDn5OBG2z1pR81OxmKfS7sbDZxbu71TTiaxCeO6fFKMMGwmvE2Cs0NitATZS2tj Sda9f/b8iwffJ1VTk+h6WTIaw4uNWCNGGTLZfkIhGWLGL2npdgBB+q/2wnkiPAXzD8+DvT nbQ+L6I6H53p8dMnJoJLl+LUiUK7UCTX2N3lGwWCsyNGEMetKxMh3YCUrZ+zIA== 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 4d3Y3j43FXzk2V; Sat, 08 Nov 2025 11:04:49 +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 5A8B4nv4069472; Sat, 8 Nov 2025 11:04:49 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.18.1/8.18.1/Submit) id 5A8B4nqU069469; Sat, 8 Nov 2025 11:04:49 GMT (envelope-from git) Date: Sat, 8 Nov 2025 11:04:49 GMT Message-Id: <202511081104.5A8B4nqU069469@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: 4d5583b9021f - stable/14 - 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/14 X-Git-Reftype: branch X-Git-Commit: 4d5583b9021fd227cbed25dc6d25c1d158e1dcf3 Auto-Submitted: auto-generated The branch stable/14 has been updated by 0mp: URL: https://cgit.FreeBSD.org/src/commit/?id=4d5583b9021fd227cbed25dc6d25c1d158e1dcf3 commit 4d5583b9021fd227cbed25dc6d25c1d158e1dcf3 Author: Mateusz Piotrowski <0mp@FreeBSD.org> AuthorDate: 2025-10-24 18:08:31 +0000 Commit: Mateusz Piotrowski <0mp@FreeBSD.org> CommitDate: 2025-11-08 11:04:37 +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 211c1150c909..148470e0934f 100644 --- a/share/man/man9/Makefile +++ b/share/man/man9/Makefile @@ -87,6 +87,7 @@ 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 .