lustre/quota/quota_internal.h

   1 /*
   2  * GPL HEADER START
   3  *
   4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   5  *
   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.
   9  *
  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).
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * version 2 along with this program; If not, see
  18  * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
  19  *
  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
  22  * have any questions.
  23  *
  24  * GPL HEADER END
  25  */
  26 /*
  27  * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
  28  * Use is subject to license terms.
  29  */
  30 /*
  31  * This file is part of Lustre, http://www.lustre.org/
  32  * Lustre is a trademark of Sun Microsystems, Inc.
  33  */
  34
  35 #ifndef __QUOTA_INTERNAL_H
  36 #define __QUOTA_INTERNAL_H
  37
  38 #include <lustre_quota.h>
  39
  40 /* QUSG covnert bytes to blocks when counting block quota */
  41 #define QUSG(count, isblk)      (isblk ? toqb(count) : count)
  42
  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"
  47
  48 #ifdef __KERNEL__
  49
  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,     \
  57                ## arg);                                                       \
  58
  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);
  68
  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',     \
  73                qd->qd_count,                                                  \
  74                (QDATA_IS_ADJBLK(qd) | QDATA_IS_ADJINO(qd)) ? qd->qd_qunit : 0,\
  75                ## arg);
  76
  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);
  82
  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) "         \
  87                "refcount(%d): "                                               \
  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);
  94
  95
  96 /* quota_context.c */
  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,
 110                      int isblk);
 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);
 118 /* quota_master.c */
 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);
 130
 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);
 146 #endif
 147
 148 /* quota_ctl.c */
 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);
 153
 154 /* quota_chk.c */
 155 int target_quota_check(struct obd_device *obd, struct obd_export *exp,
 156                        struct obd_quotactl *oqctl);
 157
 158 int quota_adjust_slave_lqs(struct quota_adjust_qunit *oqaq, struct
 159                           lustre_quota_ctxt *qctxt);
 160 #ifdef __KERNEL__
 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,
 164                                            int create);
 165 void quota_compute_lqs(struct qunit_data *qdata, struct lustre_qunit_size *lqs,
 166                        int is_chk, int is_acq);
 167
 168
 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);
 180
 181 extern cfs_proc_dir_entry_t *lquota_type_proc_dir;
 182 #endif
 183
 184 #define LQS_BLK_DECREASE 1
 185 #define LQS_BLK_INCREASE 2
 186 #define LQS_INO_DECREASE 4
 187 #define LQS_INO_INCREASE 8
 188
 189 /* the return status of quota operation */
 190 #define QUOTA_REQ_RETURNED 1
 191
 192 #endif