From patchwork Mon May 18 18:52:16 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Sandeen X-Patchwork-Id: 11556129 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 62BC913B4 for ; Mon, 18 May 2020 18:52:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 44FBE207FB for ; Mon, 18 May 2020 18:52:24 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="L6360xO+" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728747AbgERSwY (ORCPT ); Mon, 18 May 2020 14:52:24 -0400 Received: from us-smtp-2.mimecast.com ([207.211.31.81]:52518 "EHLO us-smtp-delivery-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728679AbgERSwX (ORCPT ); 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Mon, 18 May 2020 18:52:17 +0000 (UTC) Received: from [IPv6:::1] (ovpn04.gateway.prod.ext.phx2.redhat.com [10.5.9.4]) by smtp.corp.redhat.com (Postfix) with ESMTPS id B3CAD6298F for ; Mon, 18 May 2020 18:52:17 +0000 (UTC) Subject: [PATCH 6/6] xfs: allow individual quota grace period extension From: Eric Sandeen To: linux-xfs References: <842a7671-b514-d698-b996-5c1ccf65a6ad@redhat.com> Autocrypt: addr=sandeen@redhat.com; prefer-encrypt=mutual; keydata= mQINBE6x99QBEADMR+yNFBc1Y5avoUhzI/sdR9ANwznsNpiCtZlaO4pIWvqQJCjBzp96cpCs nQZV32nqJBYnDpBDITBqTa/EF+IrHx8gKq8TaSBLHUq2ju2gJJLfBoL7V3807PQcI18YzkF+ WL05ODFQ2cemDhx5uLghHEeOxuGj+1AI+kh/FCzMedHc6k87Yu2ZuaWF+Gh1W2ix6hikRJmQ vj5BEeAx7xKkyBhzdbNIbbjV/iGi9b26B/dNcyd5w2My2gxMtxaiP7q5b6GM2rsQklHP8FtW ZiYO7jsg/qIppR1C6Zr5jK1GQlMUIclYFeBbKggJ9mSwXJH7MIftilGQ8KDvNuV5AbkronGC sEEHj2khs7GfVv4pmUUHf1MRIvV0x3WJkpmhuZaYg8AdJlyGKgp+TQ7B+wCjNTdVqMI1vDk2 BS6Rg851ay7AypbCPx2w4d8jIkQEgNjACHVDU89PNKAjScK1aTnW+HNUqg9BliCvuX5g4z2j gJBs57loTWAGe2Ve3cMy3VoQ40Wt3yKK0Eno8jfgzgb48wyycINZgnseMRhxc2c8hd51tftK LKhPj4c7uqjnBjrgOVaVBupGUmvLiePlnW56zJZ51BR5igWnILeOJ1ZIcf7KsaHyE6B1mG+X dmYtjDhjf3NAcoBWJuj8euxMB6TcQN2MrSXy5wSKaw40evooGwARAQABtCRFcmljIFIuIFNh bmRlZW4gPHNhbmRlZW5AcmVkaGF0LmNvbT6JAjgEEwECACIFAk6yrl4CGwMGCwkIBwMCBhUI AgkKCwQWAgMBAh4BAheAAAoJECCuFpLhPd7gh2kP/A6CRmIF2MSttebyBk+6Ppx47ct+Kcmp YokwfI9iahSPiQ+LmmBZE+PMYesE+8+lsSiAvzz6YEXsfWMlGzHiqiE76d2xSOYVPO2rX7xl 4T2J98yZlYrjMDmQ6gpFe0ZBpVl45CFUYkBaeulEMspzaYLH6zGsPjgfVJyYnW94ZXLWcrST ixBPJcDtk4j6jrbY3K8eVFimK+RSq6CqZgUZ+uaDA/wJ4kHrYuvM3QPbsHQr/bYSNkVAFxgl G6a4CSJ4w70/dT9FFb7jzj30nmaBmDFcuC+xzecpcflaLvuFayuBJslMp4ebaL8fglvntWsQ ZM8361Ckjt82upo2JRYiTrlE9XiSEGsxW3EpdFT3vUmIlgY0/Xo5PGv3ySwcFucRUk1Q9j+Z X4gCaX5sHpQM03UTaDx4jFdGqOLnTT1hfrMQZ3EizVbnQW9HN0snm9lD5P6O1dxyKbZpevfW BfwdQ35RXBbIKDmmZnwJGJgYl5Bzh5DlT0J7oMVOzdEVYipWx82wBqHVW4I1tPunygrYO+jN n+BLwRCOYRJm5BANwYx0MvWlm3Mt3OkkW2pbX+C3P5oAcxrflaw3HeEBi/KYkygxovWl93IL TsW03R0aNcI6bSdYR/68pL4ELdx7G/SLbaHf28FzzUFjRvN55nBoMePOFo1O6KtkXXQ4GbXV ebdvuQINBE6x99QBEADQOtSJ9OtdDOrE7xqJA4Lmn1PPbk2n9N+m/Wuh87AvxU8Ey8lfg/mX VXbJ3vQxlFRWCOYLJ0TLEsnobZjIc7YhlMRqNRjRSn5vcSs6kulnCG+BZq2OJ+mPpsFIq4Nd 5OGoV2SmEXmQCaB9UAiRqflLFYrf5LRXYX+jGy0hWIGEyEPAjpexGWdUGgsthwSKXEDYWVFR Lsw5kaZEmRG10YPmShVlIzrFVlBKZ8QFphD9YkEYlB0/L3ieeUBWfeUff43ule81S4IZX63h hS3e0txG4ilgEI5aVztumB4KmzldrR0hmAnwui67o4Enm9VeM/FOWQV1PRLT+56sIbnW7ynq wZEudR4BQaRB8hSoZSNbasdpeBY2/M5XqLe1/1hqJcqXdq8Vo1bWQoGzRPkzVyeVZlRS2XqT TiXPk6Og1j0n9sbJXcNKWRuVdEwrzuIthBKtxXpwXP09GXi9bUsZ9/fFFAeeB43l8/HN7xfk 0TeFv5JLDIxISonGFVNclV9BZZbR1DE/sc3CqY5ZgX/qb7WAr9jaBjeMBCexZOu7hFVNkacr AQ+Y4KlJS+xNFexUeCxYnvSp3TI5KNa6K/hvy+YPf5AWDK8IHE8x0/fGzE3l62F4sw6BHBak ufrI0Wr/G2Cz4QKAb6BHvzJdDIDuIKzm0WzY6sypXmO5IwaafSTElQARAQABiQIfBBgBAgAJ BQJOsffUAhsMAAoJECCuFpLhPd7gErAP/Rk46ZQ05kJI4sAyNnHea1i2NiB9Q0qLSSJg+94a hFZOpuKzxSK0+02sbhfGDMs6KNJ04TNDCR04in9CdmEY2ywx6MKeyW4rQZB35GQVVY2ZxBPv yEF4ZycQwBdkqrtuQgrO9zToYWaQxtf+ACXoOI0a/RQ0Bf7kViH65wIllLICnewD738sqPGd N51fRrKBcDquSlfRjQW83/11+bjv4sartYCoE7JhNTcTr/5nvZtmgb9wbsA0vFw+iiUs6tTj eioWcPxDBw3nrLhV8WPf+MMXYxffG7i/Y6OCVWMwRgdMLE/eanF6wYe6o6K38VH6YXQw/0kZ +PrH5uP/0kwG0JbVtj9o94x08ZMm9eMa05VhuUZmtKNdGfn75S7LfoK+RyuO7OJIMb4kR7Eb FzNbA3ias5BaExPknJv7XwI74JbEl8dpheIsRbt0jUDKcviOOfhbQxKJelYNTD5+wE4+TpqH XQLj5HUlzt3JSwqSwx+++FFfWFMheG2HzkfXrvTpud5NrJkGGVn+ErXy6pNf6zSicb+bUXe9 i92UTina2zWaaLEwXspqM338TlFC2JICu8pNt+wHpPCjgy2Ei4u5/4zSYjiA+X1I+V99YJhU +FpT2jzfLUoVsP/6WHWmM/tsS79i50G/PsXYzKOHj/0ZQCKOsJM14NMMCC8gkONe4tek Message-ID: <868cac51-800e-2051-1322-aa77302a65c2@redhat.com> Date: Mon, 18 May 2020 13:52:16 -0500 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:68.0) Gecko/20100101 Thunderbird/68.8.0 MIME-Version: 1.0 In-Reply-To: <842a7671-b514-d698-b996-5c1ccf65a6ad@redhat.com> Content-Language: en-US X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Sender: linux-xfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-xfs@vger.kernel.org The only grace period which can be set in the kernel today is for id 0, i.e. the default grace period for all users. However, setting an individual grace period is useful; for example: Alice has a soft quota of 100 inodes, and a hard quota of 200 inodes Alice uses 150 inodes, and enters a short grace period Alice really needs to use those 150 inodes past the grace period The administrator extends Alice's grace period until next Monday vfs quota users such as ext4 can do this today, with setquota -T To enable this for XFS, we simply move the timelimit assignment out from under the (id == 0) test. Default setting remains under (id == 0). Note that this now is consistent with how we set warnings. (Userspace requires updates to enable this as well; xfs_quota needs to parse new options, and setquota needs to set appropriate field flags.) Signed-off-by: Eric Sandeen --- fs/xfs/xfs_qm_syscalls.c | 48 +++++++++++++++++++++++----------------- 1 file changed, 28 insertions(+), 20 deletions(-) diff --git a/fs/xfs/xfs_qm_syscalls.c b/fs/xfs/xfs_qm_syscalls.c index 29c1d5d4104d..94d374820c7e 100644 --- a/fs/xfs/xfs_qm_syscalls.c +++ b/fs/xfs/xfs_qm_syscalls.c @@ -555,32 +555,40 @@ xfs_qm_scall_setqlim( ddq->d_rtbwarns = cpu_to_be16(newlim->d_rt_spc_warns); if (id == 0) { - /* - * Timelimits for the super user set the relative time - * the other users can be over quota for this file system. - * If it is zero a default is used. Ditto for the default - * soft and hard limit values (already done, above), and - * for warnings. - */ - if (newlim->d_fieldmask & QC_SPC_TIMER) { - defq->btimelimit = newlim->d_spc_timer; - ddq->d_btimer = cpu_to_be32(newlim->d_spc_timer); - } - if (newlim->d_fieldmask & QC_INO_TIMER) { - defq->itimelimit = newlim->d_ino_timer; - ddq->d_itimer = cpu_to_be32(newlim->d_ino_timer); - } - if (newlim->d_fieldmask & QC_RT_SPC_TIMER) { - defq->rtbtimelimit = newlim->d_rt_spc_timer; - ddq->d_rtbtimer = cpu_to_be32(newlim->d_rt_spc_timer); - } if (newlim->d_fieldmask & QC_SPC_WARNS) defq->bwarnlimit = newlim->d_spc_warns; if (newlim->d_fieldmask & QC_INO_WARNS) defq->iwarnlimit = newlim->d_ino_warns; if (newlim->d_fieldmask & QC_RT_SPC_WARNS) defq->rtbwarnlimit = newlim->d_rt_spc_warns; - } else { + } + + /* + * Timelimits for the super user set the relative time the other users + * can be over quota for this file system. If it is zero a default is + * used. Ditto for the default soft and hard limit values (already + * done, above), and for warnings. + * + * For other IDs, userspace can bump out the grace period if over + * the soft limit. + */ + if (newlim->d_fieldmask & QC_SPC_TIMER) + ddq->d_btimer = cpu_to_be32(newlim->d_spc_timer); + if (newlim->d_fieldmask & QC_INO_TIMER) + ddq->d_itimer = cpu_to_be32(newlim->d_ino_timer); + if (newlim->d_fieldmask & QC_RT_SPC_TIMER) + ddq->d_rtbtimer = cpu_to_be32(newlim->d_rt_spc_timer); + + if (id == 0) { + if (newlim->d_fieldmask & QC_SPC_TIMER) + defq->btimelimit = newlim->d_spc_timer; + if (newlim->d_fieldmask & QC_INO_TIMER) + defq->itimelimit = newlim->d_ino_timer; + if (newlim->d_fieldmask & QC_RT_SPC_TIMER) + defq->rtbtimelimit = newlim->d_rt_spc_timer; + } + + if (id != 0) { /* * If the user is now over quota, start the timelimit. * The user will not be 'warned'.