2 * Copyright (c) 2008, Christoph Hellwig
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License as
7 * published by the Free Software Foundation.
9 * This program is distributed in the hope that it would be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write the Free Software Foundation,
16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
19 #include "xfs_format.h"
20 #include "xfs_log_format.h"
21 #include "xfs_trans_resv.h"
22 #include "xfs_mount.h"
23 #include "xfs_inode.h"
24 #include "xfs_quota.h"
25 #include "xfs_trans.h"
26 #include "xfs_trace.h"
27 #include "xfs_icache.h"
29 #include <linux/quota.h>
34 struct qc_type_state *tstate,
39 struct xfs_quotainfo *q = mp->m_quotainfo;
43 if (!ip && ino == NULLFSINO)
46 if (xfs_iget(mp, NULL, ino, 0, 0, &ip))
50 tstate->flags |= QCI_SYSFILE;
51 tstate->blocks = ip->i_d.di_nblocks;
52 tstate->nextents = ip->i_d.di_nextents;
53 tstate->spc_timelimit = q->qi_btimelimit;
54 tstate->ino_timelimit = q->qi_itimelimit;
55 tstate->rt_spc_timelimit = q->qi_rtbtimelimit;
56 tstate->spc_warnlimit = q->qi_bwarnlimit;
57 tstate->ino_warnlimit = q->qi_iwarnlimit;
58 tstate->rt_spc_warnlimit = q->qi_rtbwarnlimit;
64 * Return quota status information, such as enforcements, quota file inode
68 xfs_fs_get_quota_state(
69 struct super_block *sb,
70 struct qc_state *state)
72 struct xfs_mount *mp = XFS_M(sb);
73 struct xfs_quotainfo *q = mp->m_quotainfo;
75 memset(state, 0, sizeof(*state));
76 if (!XFS_IS_QUOTA_RUNNING(mp))
78 state->s_incoredqs = q->qi_dquots;
79 if (XFS_IS_UQUOTA_RUNNING(mp))
80 state->s_state[USRQUOTA].flags |= QCI_ACCT_ENABLED;
81 if (XFS_IS_UQUOTA_ENFORCED(mp))
82 state->s_state[USRQUOTA].flags |= QCI_LIMITS_ENFORCED;
83 if (XFS_IS_GQUOTA_RUNNING(mp))
84 state->s_state[GRPQUOTA].flags |= QCI_ACCT_ENABLED;
85 if (XFS_IS_GQUOTA_ENFORCED(mp))
86 state->s_state[GRPQUOTA].flags |= QCI_LIMITS_ENFORCED;
87 if (XFS_IS_PQUOTA_RUNNING(mp))
88 state->s_state[PRJQUOTA].flags |= QCI_ACCT_ENABLED;
89 if (XFS_IS_PQUOTA_ENFORCED(mp))
90 state->s_state[PRJQUOTA].flags |= QCI_LIMITS_ENFORCED;
92 xfs_qm_fill_state(&state->s_state[USRQUOTA], mp, q->qi_uquotaip,
93 mp->m_sb.sb_uquotino);
94 xfs_qm_fill_state(&state->s_state[GRPQUOTA], mp, q->qi_gquotaip,
95 mp->m_sb.sb_gquotino);
96 xfs_qm_fill_state(&state->s_state[PRJQUOTA], mp, q->qi_pquotaip,
97 mp->m_sb.sb_pquotino);
102 xfs_quota_type(int type)
114 #define XFS_QC_SETINFO_MASK (QC_TIMER_MASK | QC_WARNS_MASK)
117 * Adjust quota timers & warnings
121 struct super_block *sb,
123 struct qc_info *info)
125 struct xfs_mount *mp = XFS_M(sb);
126 struct qc_dqblk newlim;
128 if (sb->s_flags & MS_RDONLY)
130 if (!XFS_IS_QUOTA_RUNNING(mp))
132 if (!XFS_IS_QUOTA_ON(mp))
134 if (info->i_fieldmask & ~XFS_QC_SETINFO_MASK)
136 if ((info->i_fieldmask & XFS_QC_SETINFO_MASK) == 0)
139 newlim.d_fieldmask = info->i_fieldmask;
140 newlim.d_spc_timer = info->i_spc_timelimit;
141 newlim.d_ino_timer = info->i_ino_timelimit;
142 newlim.d_rt_spc_timer = info->i_rt_spc_timelimit;
143 newlim.d_ino_warns = info->i_ino_warnlimit;
144 newlim.d_spc_warns = info->i_spc_warnlimit;
145 newlim.d_rt_spc_warns = info->i_rt_spc_warnlimit;
147 return xfs_qm_scall_setqlim(mp, 0, xfs_quota_type(type), &newlim);
151 xfs_quota_flags(unsigned int uflags)
153 unsigned int flags = 0;
155 if (uflags & FS_QUOTA_UDQ_ACCT)
156 flags |= XFS_UQUOTA_ACCT;
157 if (uflags & FS_QUOTA_PDQ_ACCT)
158 flags |= XFS_PQUOTA_ACCT;
159 if (uflags & FS_QUOTA_GDQ_ACCT)
160 flags |= XFS_GQUOTA_ACCT;
161 if (uflags & FS_QUOTA_UDQ_ENFD)
162 flags |= XFS_UQUOTA_ENFD;
163 if (uflags & FS_QUOTA_GDQ_ENFD)
164 flags |= XFS_GQUOTA_ENFD;
165 if (uflags & FS_QUOTA_PDQ_ENFD)
166 flags |= XFS_PQUOTA_ENFD;
173 struct super_block *sb,
176 struct xfs_mount *mp = XFS_M(sb);
178 if (sb->s_flags & MS_RDONLY)
180 if (!XFS_IS_QUOTA_RUNNING(mp))
183 return xfs_qm_scall_quotaon(mp, xfs_quota_flags(uflags));
188 struct super_block *sb,
191 struct xfs_mount *mp = XFS_M(sb);
193 if (sb->s_flags & MS_RDONLY)
195 if (!XFS_IS_QUOTA_RUNNING(mp))
197 if (!XFS_IS_QUOTA_ON(mp))
200 return xfs_qm_scall_quotaoff(mp, xfs_quota_flags(uflags));
205 struct super_block *sb,
208 struct xfs_mount *mp = XFS_M(sb);
209 unsigned int flags = 0;
211 if (sb->s_flags & MS_RDONLY)
214 if (XFS_IS_QUOTA_ON(mp))
217 if (uflags & FS_USER_QUOTA)
218 flags |= XFS_DQ_USER;
219 if (uflags & FS_GROUP_QUOTA)
220 flags |= XFS_DQ_GROUP;
221 if (uflags & FS_PROJ_QUOTA)
222 flags |= XFS_DQ_PROJ;
224 return xfs_qm_scall_trunc_qfiles(mp, flags);
229 struct super_block *sb,
231 struct qc_dqblk *qdq)
233 struct xfs_mount *mp = XFS_M(sb);
236 if (!XFS_IS_QUOTA_RUNNING(mp))
238 if (!XFS_IS_QUOTA_ON(mp))
241 id = from_kqid(&init_user_ns, qid);
242 return xfs_qm_scall_getquota(mp, &id,
243 xfs_quota_type(qid.type), qdq, 0);
246 /* Return quota info for active quota >= this qid */
248 xfs_fs_get_nextdqblk(
249 struct super_block *sb,
251 struct qc_dqblk *qdq)
254 struct xfs_mount *mp = XFS_M(sb);
257 if (!XFS_IS_QUOTA_RUNNING(mp))
259 if (!XFS_IS_QUOTA_ON(mp))
262 id = from_kqid(&init_user_ns, *qid);
263 ret = xfs_qm_scall_getquota(mp, &id,
264 xfs_quota_type(qid->type), qdq,
269 /* ID may be different, so convert back what we got */
270 *qid = make_kqid(current_user_ns(), qid->type, id);
277 struct super_block *sb,
279 struct qc_dqblk *qdq)
281 struct xfs_mount *mp = XFS_M(sb);
283 if (sb->s_flags & MS_RDONLY)
285 if (!XFS_IS_QUOTA_RUNNING(mp))
287 if (!XFS_IS_QUOTA_ON(mp))
290 return xfs_qm_scall_setqlim(mp, from_kqid(&init_user_ns, qid),
291 xfs_quota_type(qid.type), qdq);
294 const struct quotactl_ops xfs_quotactl_operations = {
295 .get_state = xfs_fs_get_quota_state,
296 .set_info = xfs_fs_set_info,
297 .quota_enable = xfs_quota_enable,
298 .quota_disable = xfs_quota_disable,
299 .rm_xquota = xfs_fs_rm_xquota,
300 .get_dqblk = xfs_fs_get_dqblk,
301 .get_nextdqblk = xfs_fs_get_nextdqblk,
302 .set_dqblk = xfs_fs_set_dqblk,