From owner-freebsd-hackers@FreeBSD.ORG Tue May 26 12:03:24 2009 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 9AA321065680 for ; Tue, 26 May 2009 12:03:24 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from mail.terabit.net.ua (mail.terabit.net.ua [195.137.202.147]) by mx1.freebsd.org (Postfix) with ESMTP id 3D7C38FC34 for ; Tue, 26 May 2009 12:03:23 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from skuns.zoral.com.ua ([91.193.166.194] helo=mail.zoral.com.ua) by mail.terabit.net.ua with esmtps (TLSv1:AES256-SHA:256) (Exim 4.63 (FreeBSD)) (envelope-from ) id 1M8vNG-000Fvt-TA; Tue, 26 May 2009 15:03:19 +0300 Received: from deviant.kiev.zoral.com.ua (root@deviant.kiev.zoral.com.ua [10.1.1.148]) by mail.zoral.com.ua (8.14.2/8.14.2) with ESMTP id n4QC3EXi054064 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Tue, 26 May 2009 15:03:14 +0300 (EEST) (envelope-from kostikbel@gmail.com) Received: from deviant.kiev.zoral.com.ua (kostik@localhost [127.0.0.1]) by deviant.kiev.zoral.com.ua (8.14.3/8.14.3) with ESMTP id n4QC3EaQ055482; Tue, 26 May 2009 15:03:14 +0300 (EEST) (envelope-from kostikbel@gmail.com) Received: (from kostik@localhost) by deviant.kiev.zoral.com.ua (8.14.3/8.14.3/Submit) id n4QC3DsJ055481; Tue, 26 May 2009 15:03:13 +0300 (EEST) (envelope-from kostikbel@gmail.com) X-Authentication-Warning: deviant.kiev.zoral.com.ua: kostik set sender to kostikbel@gmail.com using -f Date: Tue, 26 May 2009 15:03:13 +0300 From: Kostik Belousov To: Menshikov Konstantin Message-ID: <20090526120313.GA1927@deviant.kiev.zoral.com.ua> References: <4A1B8CF8.7030102@peterhost.ru> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="QLtikqB3wVxGaUVK" Content-Disposition: inline In-Reply-To: <4A1B8CF8.7030102@peterhost.ru> User-Agent: Mutt/1.4.2.3i X-Virus-Scanned: clamav-milter 0.95.1 at skuns.kiev.zoral.com.ua X-Virus-Status: Clean X-Spam-Status: No, score=-4.4 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00 autolearn=ham version=3.2.5 X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on skuns.kiev.zoral.com.ua X-Virus-Scanned: mail.terabit.net.ua 1M8vNG-000Fvt-TA 299cff901667d573a90bc5bbd351357d X-Terabit: YES Cc: freebsd-hackers@freebsd.org Subject: Re: Disk quota for Jail. Discussion. X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 26 May 2009 12:03:26 -0000 --QLtikqB3wVxGaUVK Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, May 26, 2009 at 10:32:24AM +0400, Menshikov Konstantin wrote: > Hi. > Jail now have no disk quotas. > Users which use jail, use separate zfs or md device for jail, but it=20 > from a hopelessness. > It is necessary to discuss possible ways of realisation. > I suggest to make disk quotas for jail on the basis of the user quotas. >=20 > Introduction. > User UID and GID are located in inode and are always accessible. > No information about jail in ufs is present. All activity jail is=20 > limited root path. >=20 > The work scheme. > In structure prison it is added structures containing disk quotas and usa= ge. > At start Jail, we calculate the size root path and number of files in=20 > it, thus receiving current use of a disk. > In functions of allocation of disk blocks and inode, we check quotas and= =20 > we increase current use. UFS cannot determine whether the new allocation goes under the jail root or not. > If jail exceeds a quota, inquiry about allocation of the disk block or=20 > inode it is rejected. > After work end jail the information on disk use is lost. >=20 > What do you think about it? > There are other offers? > -- > Menshikov Konstantin. >=20 > _______________________________________________ > freebsd-hackers@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-hackers > To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd.org" --QLtikqB3wVxGaUVK Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (FreeBSD) iEYEARECAAYFAkob2oEACgkQC3+MBN1Mb4iBpACgo/032KYBBnt2K6Ety2UgWvZv 6F4AoOi9yZj9il5/SpsFIA5duCONcuqH =+nNi -----END PGP SIGNATURE----- --QLtikqB3wVxGaUVK--