From owner-freebsd-bugs@freebsd.org Fri Sep 1 21:13:55 2017 Return-Path: Delivered-To: freebsd-bugs@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id E88DCE07519 for ; Fri, 1 Sep 2017 21:13:55 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2001:1900:2254:206a::16:76]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id D72ED63E33 for ; Fri, 1 Sep 2017 21:13:55 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from bugs.freebsd.org ([127.0.1.118]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id v81LDsiI001578 for ; Fri, 1 Sep 2017 21:13:54 GMT (envelope-from bugzilla-noreply@freebsd.org) From: bugzilla-noreply@freebsd.org To: freebsd-bugs@FreeBSD.org Subject: [Bug 221985] "zfs mount -o remount" is broken Date: Fri, 01 Sep 2017 21:13:38 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: CURRENT X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: asomers@FreeBSD.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: freebsd-bugs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version rep_platform op_sys bug_status bug_severity priority component assigned_to reporter Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 01 Sep 2017 21:13:56 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D221985 Bug ID: 221985 Summary: "zfs mount -o remount" is broken Product: Base System Version: CURRENT Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: freebsd-bugs@FreeBSD.org Reporter: asomers@FreeBSD.org The "remount" option to the "zfs mount" subcommand is not documented in the= man page, but it is supported by Illumos. It is used to temporarily change a filesystem's properties while the fs is mounted. # On Illumos $ mount | grep foo /foo on foo read/write/setuid/devices/nonbmand/exec/xattr/atime/dev=3D43500= 04 on Fri Sep 1 15:09:49 2017 $ sudo zfs mount -o remount,noatime foo $ mount | grep foo /foo on foo read/write/setuid/devices/nonbmand/exec/xattr/noatime/dev=3D435= 0004 on Fri Sep 1 15:10:06 2017 # On FreeBSD > zfs mount -o remount,atime testpool cannot mount 'testpool': mountpoint or dataset is busy --=20 You are receiving this mail because: You are the assignee for the bug.=