4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 only,
8 * as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
16 * You should have received a copy of the GNU General Public License
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18 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
20 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
21 * CA 95054 USA or visit www.sun.com if you need additional information or
27 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
28 * Use is subject to license terms.
31 * This file is part of Lustre, http://www.lustre.org/
32 * Lustre is a trademark of Sun Microsystems, Inc.
35 #ifndef __QUOTA_INTERNAL_H
36 #define __QUOTA_INTERNAL_H
38 #include <lustre_quota.h>
40 /* QUSG covnert bytes to blocks when counting block quota */
41 #define QUSG(count, isblk) (isblk ? toqb(count) : count)
43 /* This flag is set in qc_stat to distinguish if the current getquota
44 * operation is for quota recovery */
45 #define QUOTA_RECOVERING 0x01
46 #define OBD_LQUOTA_DEVICENAME "lquota"
50 #define DQUOT_DEBUG(dquot, fmt, arg...) \
51 CDEBUG(D_QUOTA, "refcnt(%u) id(%u) type(%u) off(%llu) flags(%lu) " \
52 "bhardlimit("LPU64") curspace("LPU64") ihardlimit("LPU64") " \
53 "curinodes("LPU64"): " fmt, cfs_atomic_read(&dquot->dq_refcnt),\
54 dquot->dq_id, dquot->dq_type, dquot->dq_off, dquot->dq_flags, \
55 dquot->dq_dqb.dqb_bhardlimit, dquot->dq_dqb.dqb_curspace, \
56 dquot->dq_dqb.dqb_ihardlimit, dquot->dq_dqb.dqb_curinodes, \
59 #define QINFO_DEBUG(qinfo, fmt, arg...) \
60 CDEBUG(D_QUOTA, "files (%p/%p) flags(%lu/%lu) blocks(%u/%u) " \
61 "free_blk(/%u/%u) free_entry(%u/%u): " fmt, \
62 qinfo->qi_files[0], qinfo->qi_files[1], \
63 qinfo->qi_info[0].dqi_flags, qinfo->qi_info[1].dqi_flags, \
64 qinfo->qi_info[0].dqi_blocks, qinfo->qi_info[1].dqi_blocks, \
65 qinfo->qi_info[0].dqi_free_blk, qinfo->qi_info[1].dqi_free_blk,\
66 qinfo->qi_info[0].dqi_free_entry, \
67 qinfo->qi_info[1].dqi_free_entry, ## arg);
69 #define QDATA_DEBUG(qd, fmt, arg...) \
70 CDEBUG(D_QUOTA, "id(%u) flag(%u) type(%c) isblk(%c) count("LPU64") " \
71 "qd_qunit("LPU64"): " fmt, qd->qd_id, qd->qd_flags, \
72 QDATA_IS_GRP(qd) ? 'g' : 'u', QDATA_IS_BLK(qd) ? 'b': 'i', \
74 (QDATA_IS_ADJBLK(qd) | QDATA_IS_ADJINO(qd)) ? qd->qd_qunit : 0,\
77 #define QAQ_DEBUG(qaq, fmt, arg...) \
78 CDEBUG(D_QUOTA, "id(%u) flag(%u) type(%c) bunit("LPU64") " \
79 "iunit("LPU64"): " fmt, qaq->qaq_id, qaq->qaq_flags, \
80 QAQ_IS_GRP(qaq) ? 'g': 'u', qaq->qaq_bunit_sz, \
81 qaq->qaq_iunit_sz, ## arg);
83 #define LQS_DEBUG(lqs, fmt, arg...) \
84 CDEBUG(D_QUOTA, "lqs(%p) id(%u) flag(%lu) type(%c) bunit(%lu) " \
85 "btune(%lu) iunit(%lu) itune(%lu) lqs_bwrite_pending(%lu) " \
86 "lqs_iwrite_pending(%lu) ino_rec(%lld) blk_rec(%lld) " \
88 fmt, lqs, lqs->lqs_id, lqs->lqs_flags, \
89 LQS_IS_GRP(lqs) ? 'g' : 'u', \
90 lqs->lqs_bunit_sz, lqs->lqs_btune_sz, lqs->lqs_iunit_sz, \
91 lqs->lqs_itune_sz, lqs->lqs_bwrite_pending, \
92 lqs->lqs_iwrite_pending, lqs->lqs_ino_rec, \
93 lqs->lqs_blk_rec, cfs_atomic_read(&lqs->lqs_refcount), ## arg);
97 void qunit_cache_cleanup(void);
98 int qunit_cache_init(void);
99 int qctxt_adjust_qunit(struct obd_device *obd, struct lustre_quota_ctxt *qctxt,
100 const unsigned int id[], __u32 isblk, int wait,
101 struct obd_trans_info *oti);
102 int qctxt_wait_pending_dqacq(struct lustre_quota_ctxt *qctxt, unsigned int id,
103 unsigned short type, int isblk);
104 int qctxt_init(struct obd_device *obd, dqacq_handler_t handler);
105 void qctxt_cleanup(struct lustre_quota_ctxt *qctxt, int force);
106 void qslave_start_recovery(struct obd_device *obd,
107 struct lustre_quota_ctxt *qctxt);
108 int compute_remquota(struct obd_device *obd,
109 struct lustre_quota_ctxt *qctxt, struct qunit_data *qdata,
111 int check_qm(struct lustre_quota_ctxt *qctxt);
112 void dqacq_interrupt(struct lustre_quota_ctxt *qctxt);
113 int quota_is_on(struct lustre_quota_ctxt *qctxt, struct obd_quotactl *oqctl);
114 int quota_is_off(struct lustre_quota_ctxt *qctxt, struct obd_quotactl *oqctl);
115 void* quota_barrier(struct lustre_quota_ctxt *qctxt,
116 struct obd_quotactl *oqctl, int isblk);
117 void quota_unbarrier(void *handle);
119 int lustre_dquot_init(void);
120 void lustre_dquot_exit(void);
121 int dqacq_handler(struct obd_device *obd, struct qunit_data *qdata, int opc);
122 int mds_quota_adjust(struct obd_device *obd, const unsigned int qcids[],
123 const unsigned int qpids[], int rc, int opc);
124 int filter_quota_adjust(struct obd_device *obd, const unsigned int qcids[],
125 const unsigned int qpids[], int rc, int opc);
126 int init_admin_quotafiles(struct obd_device *obd, struct obd_quotactl *oqctl);
127 int mds_quota_get_version(struct obd_device *obd, lustre_quota_version_t *ver);
128 int mds_quota_invalidate(struct obd_device *obd, struct obd_quotactl *oqctl);
129 int mds_quota_finvalidate(struct obd_device *obd, struct obd_quotactl *oqctl);
131 int mds_admin_quota_on(struct obd_device *obd, struct obd_quotactl *oqctl);
132 int mds_quota_on(struct obd_device *obd, struct obd_quotactl *oqctl);
133 int mds_quota_off(struct obd_device *obd, struct obd_quotactl *oqctl);
134 int do_mds_quota_off(struct obd_device *obd, struct obd_quotactl *oqctl);
135 int mds_admin_quota_off(struct obd_device *obd, struct obd_quotactl *oqctl);
136 int mds_set_dqinfo(struct obd_device *obd, struct obd_quotactl *oqctl);
137 int mds_get_dqinfo(struct obd_device *obd, struct obd_quotactl *oqctl);
138 int mds_set_dqblk(struct obd_device *obd, struct obd_quotactl *oqctl);
139 int mds_get_dqblk(struct obd_device *obd, struct obd_quotactl *oqctl);
140 int mds_quota_recovery(struct obd_device *obd);
141 int mds_get_obd_quota(struct obd_device *obd, struct obd_quotactl *oqctl);
142 int dquot_create_oqaq(struct lustre_quota_ctxt *qctxt, struct lustre_dquot
143 *dquot, __u32 ost_num, __u32 mdt_num, int type,
144 struct quota_adjust_qunit *oqaq);
145 int generic_quota_on(struct obd_device *, struct obd_quotactl *, int);
149 int mds_quota_ctl(struct obd_device *obd, struct obd_export *exp,
150 struct obd_quotactl *oqctl);
151 int filter_quota_ctl(struct obd_device *unused, struct obd_export *exp,
152 struct obd_quotactl *oqctl);
155 int target_quota_check(struct obd_device *obd, struct obd_export *exp,
156 struct obd_quotactl *oqctl);
158 int quota_adjust_slave_lqs(struct quota_adjust_qunit *oqaq, struct
159 lustre_quota_ctxt *qctxt);
161 int quota_is_set(struct obd_device *obd, const unsigned int id[], int flag);
162 struct lustre_qunit_size *quota_search_lqs(unsigned long long lqs_key,
163 struct lustre_quota_ctxt *qctxt,
165 void quota_compute_lqs(struct qunit_data *qdata, struct lustre_qunit_size *lqs,
166 int is_chk, int is_acq);
169 extern int quote_get_qdata(struct ptlrpc_request *req, struct qunit_data *qdata,
170 int is_req, int is_exp);
171 extern int quote_copy_qdata(struct ptlrpc_request *req, struct qunit_data *qdata,
172 int is_req, int is_exp);
173 int filter_quota_adjust_qunit(struct obd_export *exp,
174 struct quota_adjust_qunit *oqaq,
175 struct lustre_quota_ctxt *qctxt,
176 struct ptlrpc_request_set *rqset);
177 int lquota_proc_setup(struct obd_device *obd, int is_master);
178 int lquota_proc_cleanup(struct lustre_quota_ctxt *qctxt);
179 void build_lqs(struct obd_device *obd);
181 extern cfs_proc_dir_entry_t *lquota_type_proc_dir;
184 #define LQS_BLK_DECREASE 1
185 #define LQS_BLK_INCREASE 2
186 #define LQS_INO_DECREASE 4
187 #define LQS_INO_INCREASE 8
189 /* the return status of quota operation */
190 #define QUOTA_REQ_RETURNED 1