lustre/quota/quota_internal.h

   1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
   2  * vim:expandtab:shiftwidth=8:tabstop=8:
   3  *
   4  *  lustre/quota/quota_internal.h
   5  *
   6  *  Copyright (c) 2001-2005 Cluster File Systems, Inc.
   7  *
   8  *   This file is part of Lustre, http://www.lustre.org.
   9  *
  10  *   No redistribution or use is permitted outside of Cluster File Systems, Inc.
  11  *
  12  */
  13
  14 #ifndef __QUOTA_INTERNAL_H
  15 #define __QUOTA_INTERNAL_H
  16
  17 #include <lustre_quota.h>
  18
  19 /* QUSG covnert bytes to blocks when counting block quota */
  20 #define QUSG(count, isblk)      (isblk ? toqb(count) : count)
  21
  22 /* This flag is set in qc_stat to distinguish if the current getquota
  23  * operation is for quota recovery */
  24 #define QUOTA_RECOVERING    0x01
  25
  26 #ifdef __KERNEL__
  27
  28 #define DQUOT_DEBUG(dquot, fmt, arg...)                                       \
  29         CDEBUG(D_QUOTA, "refcnt(%u) id(%u) type(%u) off(%llu) flags(%lu) "    \
  30                "bhardlimit(%u) curspace("LPX64") ihardlimit(%u) "             \
  31                "curinodes(%u): " fmt, dquot->dq_refcnt,                       \
  32                dquot->dq_id, dquot->dq_type, dquot->dq_off,  dquot->dq_flags, \
  33                dquot->dq_dqb.dqb_bhardlimit, dquot->dq_dqb.dqb_curspace,      \
  34                dquot->dq_dqb.dqb_ihardlimit, dquot->dq_dqb.dqb_curinodes,     \
  35                ## arg);                                                       \
  36
  37 #define QINFO_DEBUG(qinfo, fmt, arg...)                                       \
  38         CDEBUG(D_QUOTA, "files (%p/%p) flags(%lu/%lu) blocks(%u/%u) "         \
  39                "free_blk(/%u/%u) free_entry(%u/%u): " fmt,                    \
  40                qinfo->qi_files[0], qinfo->qi_files[1],                        \
  41                qinfo->qi_info[0].dqi_flags, qinfo->qi_info[1].dqi_flags,      \
  42                qinfo->qi_info[0].dqi_blocks, qinfo->qi_info[1].dqi_blocks,    \
  43                qinfo->qi_info[0].dqi_free_blk, qinfo->qi_info[1].dqi_free_blk,\
  44                qinfo->qi_info[0].dqi_free_entry,                              \
  45                qinfo->qi_info[1].dqi_free_entry, ## arg);
  46
  47 #define QDATA_DEBUG(qd, fmt, arg...)                                          \
  48         CDEBUG(D_QUOTA, "id(%u) type(%lu) count(%llu) isblk(%lu):"            \
  49                fmt, qd->qd_id, qd->qd_flags & QUOTA_IS_GRP, qd->qd_count,     \
  50                (qd->qd_flags & QUOTA_IS_BLOCK) >> 1,       \
  51                ## arg);
  52
  53
  54 /* quota_context.c */
  55 void qunit_cache_cleanup(void);
  56 int qunit_cache_init(void);
  57 int qctxt_adjust_qunit(struct obd_device *obd, struct lustre_quota_ctxt *qctxt,
  58                        uid_t uid, gid_t gid, __u32 isblk, int wait);
  59 int qctxt_wait_pending_dqacq(struct lustre_quota_ctxt *qctxt, unsigned int id,
  60                              unsigned short type, int isblk);
  61 int qctxt_init(struct lustre_quota_ctxt *qctxt, struct super_block *sb,
  62                dqacq_handler_t handler);
  63 void qctxt_cleanup(struct lustre_quota_ctxt *qctxt, int force);
  64 void qslave_start_recovery(struct obd_device *obd,
  65                            struct lustre_quota_ctxt *qctxt);
  66 /* quota_master.c */
  67 int lustre_dquot_init(void);
  68 void lustre_dquot_exit(void);
  69 int dqacq_handler(struct obd_device *obd, struct qunit_data *qdata, int opc);
  70 int mds_quota_adjust(struct obd_device *obd, unsigned int qcids[],
  71                      unsigned int qpids[], int rc, int opc);
  72 int filter_quota_adjust(struct obd_device *obd, unsigned int qcids[],
  73                         unsigned int qpids[], int rc, int opc);
  74 int init_admin_quotafiles(struct obd_device *obd, struct obd_quotactl *oqctl);
  75 int mds_admin_quota_on(struct obd_device *obd, struct obd_quotactl *oqctl);
  76 int mds_quota_on(struct obd_device *obd, struct obd_quotactl *oqctl);
  77 int mds_quota_off(struct obd_device *obd, struct obd_quotactl *oqctl);
  78 int mds_set_dqinfo(struct obd_device *obd, struct obd_quotactl *oqctl);
  79 int mds_get_dqinfo(struct obd_device *obd, struct obd_quotactl *oqctl);
  80 int mds_set_dqblk(struct obd_device *obd, struct obd_quotactl *oqctl);
  81 int mds_get_dqblk(struct obd_device *obd, struct obd_quotactl *oqctl);
  82 int mds_quota_recovery(struct obd_device *obd);
  83 int mds_get_obd_quota(struct obd_device *obd, struct obd_quotactl *oqctl);
  84 #endif
  85
  86 /* quota_ctl.c */
  87 int mds_quota_ctl(struct obd_export *exp, struct obd_quotactl *oqctl);
  88 int filter_quota_ctl(struct obd_export *exp, struct obd_quotactl *oqctl);
  89 int client_quota_ctl(struct obd_export *exp, struct obd_quotactl *oqctl);
  90 int lov_quota_ctl(struct obd_export *exp, struct obd_quotactl *oqctl);
  91
  92 /* quota_chk.c */
  93 int target_quota_check(struct obd_export *exp, struct obd_quotactl *oqctl);
  94 int client_quota_check(struct obd_export *exp, struct obd_quotactl *oqctl);
  95 int lov_quota_check(struct obd_export *exp, struct obd_quotactl *oqctl);
  96 int client_quota_poll_check(struct obd_export *exp, struct if_quotacheck *qchk);
  97
  98 #endif