lustre/include/lustre_quota.h

   1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
   2  * vim:expandtab:shiftwidth=8:tabstop=8:
   3  *
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   6  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License version 2 only,
  10  * as published by the Free Software Foundation.
  11  *
  12  * This program is distributed in the hope that it will be useful, but
  13  * WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * General Public License version 2 for more details (a copy is included
  16  * in the LICENSE file that accompanied this code).
  17  *
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  28 /*
  29  * Copyright  2008 Sun Microsystems, Inc. All rights reserved
  30  * Use is subject to license terms.
  31  */
  32 /*
  33  * This file is part of Lustre, http://www.lustre.org/
  34  * Lustre is a trademark of Sun Microsystems, Inc.
  35  */
  36
  37 #ifndef _LUSTRE_QUOTA_H
  38 #define _LUSTRE_QUOTA_H
  39
  40 #if defined(__linux__)
  41 #include <linux/lustre_quota.h>
  42 #elif defined(__APPLE__)
  43 #include <darwin/lustre_quota.h>
  44 #elif defined(__WINNT__)
  45 #include <winnt/lustre_quota.h>
  46 #else
  47 #error Unsupported operating system.
  48 #endif
  49
  50 #include <lustre_net.h>
  51 #include <lustre/lustre_idl.h>
  52 #include <lvfs.h>
  53 #include <obd_support.h>
  54 #include <class_hash.h>
  55
  56 struct obd_device;
  57 struct client_obd;
  58
  59 #ifndef NR_DQHASH
  60 #define NR_DQHASH 45
  61 #endif
  62
  63 #ifdef HAVE_QUOTA_SUPPORT
  64
  65 #ifdef __KERNEL__
  66
  67 #ifdef LPROCFS
  68 enum {
  69         LQUOTA_FIRST_STAT = 0,
  70         /** @{ */
  71         /**
  72          * these four are for measuring quota requests, for both of
  73          * quota master and quota slaves
  74          */
  75         LQUOTA_SYNC_ACQ = LQUOTA_FIRST_STAT,
  76         LQUOTA_SYNC_REL,
  77         LQUOTA_ASYNC_ACQ,
  78         LQUOTA_ASYNC_REL,
  79         /** }@ */
  80         /** @{ */
  81         /**
  82          * these four measure how much time I/O threads spend on dealing
  83          * with quota before and after writing data or creating files,
  84          * only for quota slaves(lquota_chkquota and lquota_pending_commit)
  85          */
  86         LQUOTA_WAIT_FOR_CHK_BLK,
  87         LQUOTA_WAIT_FOR_CHK_INO,
  88         LQUOTA_WAIT_FOR_COMMIT_BLK,
  89         LQUOTA_WAIT_FOR_COMMIT_INO,
  90         /** }@ */
  91         /** @{ */
  92         /**
  93          * these two are for measuring time waiting return of quota reqs
  94          * (qctxt_wait_pending_dqacq), only for quota salves
  95          */
  96         LQUOTA_WAIT_PENDING_BLK_QUOTA,
  97         LQUOTA_WAIT_PENDING_INO_QUOTA,
  98         /** }@ */
  99         /** @{ */
 100         /**
 101          * these two are for those when they are calling
 102          * qctxt_wait_pending_dqacq, the quota req has returned already,
 103          * only for quota salves
 104          */
 105         LQUOTA_NOWAIT_PENDING_BLK_QUOTA,
 106         LQUOTA_NOWAIT_PENDING_INO_QUOTA,
 107         /** }@ */
 108         /** @{ */
 109         /**
 110          * these are for quota ctl
 111          */
 112         LQUOTA_QUOTA_CTL,
 113         /** }@ */
 114         /** @{ */
 115         /**
 116          * these are for adjust quota qunit, for both of
 117          * quota master and quota slaves
 118          */
 119         LQUOTA_ADJUST_QUNIT,
 120         LQUOTA_LAST_STAT
 121         /** }@ */
 122 };
 123 #endif  /* LPROCFS */
 124
 125 /* structures to access admin quotafile */
 126 struct lustre_mem_dqinfo {
 127         unsigned int dqi_bgrace;
 128         unsigned int dqi_igrace;
 129         unsigned long dqi_flags;
 130         unsigned int dqi_blocks;
 131         unsigned int dqi_free_blk;
 132         unsigned int dqi_free_entry;
 133 };
 134
 135 struct lustre_quota_info {
 136         struct file *qi_files[MAXQUOTAS];
 137         struct lustre_mem_dqinfo qi_info[MAXQUOTAS];
 138         lustre_quota_version_t qi_version;
 139 };
 140
 141 #define DQ_STATUS_AVAIL         0x0     /* Available dquot */
 142 #define DQ_STATUS_SET           0x01    /* Sombody is setting dquot */
 143 #define DQ_STATUS_RECOVERY      0x02    /* dquot is in recovery */
 144
 145 struct lustre_mem_dqblk {
 146         __u64 dqb_bhardlimit;   /**< absolute limit on disk blks alloc */
 147         __u64 dqb_bsoftlimit;   /**< preferred limit on disk blks */
 148         __u64 dqb_curspace;     /**< current used space */
 149         __u64 dqb_ihardlimit;   /**< absolute limit on allocated inodes */
 150         __u64 dqb_isoftlimit;   /**< preferred inode limit */
 151         __u64 dqb_curinodes;    /**< current # allocated inodes */
 152         time_t dqb_btime;       /**< time limit for excessive disk use */
 153         time_t dqb_itime;       /**< time limit for excessive inode use */
 154 };
 155
 156 struct lustre_dquot {
 157         /** Hash list in memory, protect by dquot_hash_lock */
 158         struct list_head dq_hash;
 159         /** Protect the data in lustre_dquot */
 160         struct semaphore dq_sem;
 161         /** Use count */
 162         int dq_refcnt;
 163         /** Pointer of quota info it belongs to */
 164         struct lustre_quota_info *dq_info;
 165         /** Offset of dquot on disk */
 166         loff_t dq_off;
 167         /** ID this applies to (uid, gid) */
 168         unsigned int dq_id;
 169         /** Type fo quota (USRQUOTA, GRPQUOUTA) */
 170         int dq_type;
 171         /** See DQ_STATUS_ */
 172         unsigned short dq_status;
 173         /** See DQ_ in quota.h */
 174         unsigned long dq_flags;
 175         /** Diskquota usage */
 176         struct lustre_mem_dqblk dq_dqb;
 177 };
 178
 179 struct dquot_id {
 180         struct list_head        di_link;
 181         __u32                   di_id;
 182 };
 183
 184 #define QFILE_CHK               1
 185 #define QFILE_RD_INFO           2
 186 #define QFILE_WR_INFO           3
 187 #define QFILE_INIT_INFO         4
 188 #define QFILE_RD_DQUOT          5
 189 #define QFILE_WR_DQUOT          6
 190 #define QFILE_CONVERT           7
 191
 192 /* admin quotafile operations */
 193 int lustre_check_quota_file(struct lustre_quota_info *lqi, int type);
 194 int lustre_read_quota_info(struct lustre_quota_info *lqi, int type);
 195 int lustre_write_quota_info(struct lustre_quota_info *lqi, int type);
 196 int lustre_read_dquot(struct lustre_dquot *dquot);
 197 int lustre_commit_dquot(struct lustre_dquot *dquot);
 198 int lustre_init_quota_info(struct lustre_quota_info *lqi, int type);
 199 int lustre_get_qids(struct file *file, struct inode *inode, int type,
 200                     struct list_head *list);
 201 int lustre_quota_convert(struct lustre_quota_info *lqi, int type);
 202
 203 #define LL_DQUOT_OFF(sb)    DQUOT_OFF(sb)
 204
 205 typedef int (*dqacq_handler_t) (struct obd_device * obd, struct qunit_data * qd,
 206                                 int opc);
 207
 208 /* user quota is turned on on filter */
 209 #define LQC_USRQUOTA_FLAG (1 << 0)
 210 /* group quota is turned on on filter */
 211 #define LQC_GRPQUOTA_FLAG (1 << 1)
 212
 213 #define UGQUOTA2LQC(id) ((Q_TYPEMATCH(id, USRQUOTA) ? LQC_USRQUOTA_FLAG : 0) | \
 214                          (Q_TYPEMATCH(id, GRPQUOTA) ? LQC_GRPQUOTA_FLAG : 0))
 215
 216 struct lustre_quota_ctxt {
 217         /** superblock this applies to */
 218         struct super_block *lqc_sb;
 219         /** obd_device_target for obt_rwsem */
 220         struct obd_device_target *lqc_obt;
 221         /** import used to send dqacq/dqrel RPC */
 222         struct obd_import *lqc_import;
 223         /** dqacq/dqrel RPC handler, only for quota master */
 224         dqacq_handler_t lqc_handler;
 225         /** quota flags */
 226         unsigned long lqc_flags;
 227         /** @{ */
 228         unsigned long lqc_recovery:1,   /** Doing recovery */
 229                       lqc_switch_qs:1,  /**
 230                                          * the function of change qunit size
 231                                          * 0:Off, 1:On
 232                                          */
 233                       lqc_valid:1,      /** this qctxt is valid or not */
 234                       lqc_setup:1,      /**
 235                                          * tell whether of not quota_type has
 236                                          * been processed, so that the master
 237                                          * knows when it can start processing
 238                                          * incoming acq/rel quota requests
 239                                          */
 240                       lqc_immutable:1;  /**
 241                                          * cannot be turned on/off on-fly;
 242                                          * temporary used by SOM.
 243                                          */
 244         /** }@ */
 245         /**
 246          * original unit size of file quota and
 247          * upper limitation for adjust file qunit
 248          */
 249         unsigned long lqc_iunit_sz;
 250         /**
 251          * Trigger dqacq when available file
 252          * quota less than this value, trigger
 253          * dqrel when available file quota
 254          * more than this value + 1 iunit
 255          */
 256         unsigned long lqc_itune_sz;
 257         /**
 258          * original unit size of block quota and
 259          * upper limitation for adjust block qunit
 260          */
 261         unsigned long lqc_bunit_sz;
 262         /** See comment of lqc_itune_sz */
 263         unsigned long lqc_btune_sz;
 264         /** all lustre_qunit_size structures */
 265         struct lustre_hash *lqc_lqs_hash;
 266
 267         /** @{ */
 268         /**
 269          * the values below are relative to how master change its qunit sizes
 270          */
 271         /**
 272          * this affects the boundary of
 273          * shrinking and enlarging qunit size. default=4
 274          */
 275         unsigned long lqc_cqs_boundary_factor;
 276         /** the least value of block qunit */
 277         unsigned long lqc_cqs_least_bunit;
 278         /** the least value of inode qunit */
 279         unsigned long lqc_cqs_least_iunit;
 280         /**
 281          * when enlarging, qunit size will
 282          * mutilple it; when shrinking,
 283          * qunit size will divide it
 284          */
 285         unsigned long lqc_cqs_qs_factor;
 286         /**
 287          * avoid ping-pong effect of
 288          * adjusting qunit size. How many
 289          * seconds must be waited between
 290          * enlarging and shinking qunit
 291          */
 292         /** }@ */
 293         int           lqc_switch_seconds;
 294         /**
 295          * when blk qunit reaches this value,
 296          * later write reqs from client should be sync b=16642
 297          */
 298         int           lqc_sync_blk;
 299         /** guard lqc_imp_valid now */
 300         spinlock_t    lqc_lock;
 301         /**
 302          * when mds isn't connected, threads
 303          * on osts who send the quota reqs
 304          * with wait==1 will be put here b=14840
 305          */
 306         cfs_waitq_t   lqc_wait_for_qmaster;
 307         struct proc_dir_entry *lqc_proc_dir;
 308         /** lquota statistics */
 309         struct lprocfs_stats  *lqc_stats;
 310 };
 311
 312 #define QUOTA_MASTER_READY(qctxt)   (qctxt)->lqc_setup = 1
 313 #define QUOTA_MASTER_UNREADY(qctxt) (qctxt)->lqc_setup = 0
 314
 315 struct lustre_qunit_size {
 316         struct hlist_node lqs_hash; /** the hash entry */
 317         unsigned int lqs_id;        /** id of user/group */
 318         unsigned long lqs_flags;    /** is user/group; FULLBUF or LESSBUF */
 319         unsigned long lqs_iunit_sz; /** Unit size of file quota currently */
 320         /**
 321          * Trigger dqacq when available file quota
 322          * less than this value, trigger dqrel
 323          * when more than this value + 1 iunit
 324          */
 325         unsigned long lqs_itune_sz;
 326         unsigned long lqs_bunit_sz; /** Unit size of block quota currently */
 327         unsigned long lqs_btune_sz; /** See comment of lqs itune sz */
 328         /** the blocks reached ost and don't finish */
 329         unsigned long lqs_bwrite_pending;
 330         /** the inodes reached mds and don't finish */
 331         unsigned long lqs_iwrite_pending;
 332         /** when inodes are allocated/released, this value will record it */
 333         long long lqs_ino_rec;
 334         /** when blocks are allocated/released, this value will record it */
 335         long long lqs_blk_rec;
 336         atomic_t lqs_refcount;
 337         cfs_time_t lqs_last_bshrink;   /** time of last block shrink */
 338         cfs_time_t lqs_last_ishrink;   /** time of last inode shrink */
 339         spinlock_t lqs_lock;
 340         struct quota_adjust_qunit lqs_key; /** hash key */
 341         struct lustre_quota_ctxt *lqs_ctxt; /** quota ctxt */
 342 };
 343
 344 #define LQS_IS_GRP(lqs)    ((lqs)->lqs_flags & LQUOTA_FLAGS_GRP)
 345 #define LQS_IS_ADJBLK(lqs) ((lqs)->lqs_flags & LQUOTA_FLAGS_ADJBLK)
 346 #define LQS_IS_ADJINO(lqs) ((lqs)->lqs_flags & LQUOTA_FLAGS_ADJINO)
 347
 348 #define LQS_SET_GRP(lqs)    ((lqs)->lqs_flags |= LQUOTA_FLAGS_GRP)
 349 #define LQS_SET_ADJBLK(lqs) ((lqs)->lqs_flags |= LQUOTA_FLAGS_ADJBLK)
 350 #define LQS_SET_ADJINO(lqs) ((lqs)->lqs_flags |= LQUOTA_FLAGS_ADJINO)
 351
 352 static inline void lqs_getref(struct lustre_qunit_size *lqs)
 353 {
 354         atomic_inc(&lqs->lqs_refcount);
 355         CDEBUG(D_QUOTA, "lqs=%p refcount %d\n",
 356                lqs, atomic_read(&lqs->lqs_refcount));
 357 }
 358
 359 static inline void lqs_putref(struct lustre_qunit_size *lqs)
 360 {
 361         LASSERT(atomic_read(&lqs->lqs_refcount) > 0);
 362
 363         /* killing last ref, let's let hash table kill it */
 364         if (atomic_read(&lqs->lqs_refcount) == 1) {
 365                 lustre_hash_del(lqs->lqs_ctxt->lqc_lqs_hash,
 366                                 &lqs->lqs_key, &lqs->lqs_hash);
 367                 OBD_FREE_PTR(lqs);
 368         } else {
 369                 atomic_dec(&lqs->lqs_refcount);
 370                 CDEBUG(D_QUOTA, "lqs=%p refcount %d\n",
 371                        lqs, atomic_read(&lqs->lqs_refcount));
 372
 373         }
 374 }
 375
 376 static inline void lqs_initref(struct lustre_qunit_size *lqs)
 377 {
 378         atomic_set(&lqs->lqs_refcount, 0);
 379 }
 380
 381 #else
 382
 383 struct lustre_quota_info {
 384 };
 385
 386 struct lustre_quota_ctxt {
 387 };
 388
 389 #define QUOTA_MASTER_READY(qctxt)
 390 #define QUOTA_MASTER_UNREADY(qctxt)
 391
 392 #endif  /* !__KERNEL__ */
 393
 394 #else
 395
 396 #define LL_DQUOT_OFF(sb) do {} while(0)
 397
 398 struct lustre_quota_info {
 399 };
 400
 401 struct lustre_quota_ctxt {
 402 };
 403
 404 #endif /* !HAVE_QUOTA_SUPPORT */
 405
 406 /* If the (quota limit < qunit * slave count), the slave which can't
 407  * acquire qunit should set it's local limit as MIN_QLIMIT */
 408 #define MIN_QLIMIT      1
 409
 410 struct quotacheck_thread_args {
 411         struct obd_export   *qta_exp;   /** obd export */
 412         struct obd_device   *qta_obd;   /** obd device */
 413         struct obd_quotactl  qta_oqctl; /** obd_quotactl args */
 414         struct super_block  *qta_sb;    /** obd super block */
 415         atomic_t            *qta_sem;   /** obt_quotachecking */
 416 };
 417
 418 struct obd_trans_info;
 419 typedef int (*quota_acquire)(struct obd_device *obd, const unsigned int id[],
 420                              struct obd_trans_info *oti, int isblk);
 421
 422 typedef struct {
 423         int (*quota_init) (void);
 424         int (*quota_exit) (void);
 425         int (*quota_setup) (struct obd_device *);
 426         int (*quota_cleanup) (struct obd_device *);
 427         /**
 428          * For quota master, close admin quota files
 429          */
 430         int (*quota_fs_cleanup) (struct obd_device *);
 431         int (*quota_ctl) (struct obd_device *, struct obd_export *,
 432                           struct obd_quotactl *);
 433         int (*quota_check) (struct obd_device *, struct obd_export *,
 434                             struct obd_quotactl *);
 435         int (*quota_recovery) (struct obd_device *);
 436
 437         /**
 438          * For quota master/slave, adjust quota limit after fs operation
 439          */
 440         int (*quota_adjust) (struct obd_device *, const unsigned int[],
 441                              const unsigned int[], int, int);
 442
 443         /**
 444          * For quota slave, set import, trigger quota recovery,
 445          * For quota master, set lqc_setup
 446          */
 447         int (*quota_setinfo) (struct obd_device *, void *);
 448
 449         /**
 450          * For quota slave, clear import when relative import is invalid
 451          */
 452         int (*quota_clearinfo) (struct obd_export *, struct obd_device *);
 453
 454         /**
 455          * For quota slave, set proper thread resoure capability
 456          */
 457         int (*quota_enforce) (struct obd_device *, unsigned int);
 458
 459         /**
 460          * For quota slave, check whether specified uid/gid is over quota
 461          */
 462         int (*quota_getflag) (struct obd_device *, struct obdo *);
 463
 464 #ifdef __KERNEL__
 465         /**
 466          * For quota slave, acquire/release quota from master if needed
 467          */
 468         int (*quota_acquire) (struct obd_device *, const unsigned int [],
 469                               struct obd_trans_info *, int);
 470
 471         /**
 472          * For quota slave, check whether specified uid/gid's remaining quota
 473          * can finish a block_write or inode_create rpc. It updates the pending
 474          * record of block and inode, acquires quota if necessary
 475          */
 476         int (*quota_chkquota) (struct obd_device *, const unsigned int [],
 477                                int [], int, quota_acquire,
 478                                struct obd_trans_info *, int, struct inode *,
 479                                int);
 480
 481         /**
 482          * For quota client, the actions after the pending write is committed
 483          */
 484         int (*quota_pending_commit) (struct obd_device *, const unsigned int [],
 485                                      int [], int);
 486 #endif
 487
 488         /**
 489          * For quota client, poll if the quota check done
 490          */
 491         int (*quota_poll_check) (struct obd_export *, struct if_quotacheck *);
 492
 493         /**
 494          * For quota client, check whether specified uid/gid is over quota
 495          */
 496         int (*quota_chkdq) (struct client_obd *, const unsigned int []);
 497
 498         /**
 499          * For quota client, set over quota flag for specifed uid/gid
 500          */
 501         int (*quota_setdq) (struct client_obd *, const unsigned int [],
 502                             obd_flag, obd_flag);
 503
 504         /**
 505          * For adjusting qunit size b=10600
 506          */
 507         int (*quota_adjust_qunit) (struct obd_export *exp,
 508                                    struct quota_adjust_qunit *oqaq,
 509                                    struct lustre_quota_ctxt *qctxt);
 510
 511 } quota_interface_t;
 512
 513 #define Q_COPY(out, in, member) (out)->member = (in)->member
 514
 515 #define QUOTA_OP(interface, op) interface->quota_ ## op
 516
 517 #define QUOTA_CHECK_OP(interface, op)                           \
 518 do {                                                            \
 519         if (!interface)                                         \
 520                 RETURN(0);                                      \
 521         if (!QUOTA_OP(interface, op)) {                         \
 522                 CERROR("no quota operation: " #op "\n");        \
 523                 RETURN(-EOPNOTSUPP);                            \
 524         }                                                       \
 525 } while(0)
 526
 527 static inline int lquota_init(quota_interface_t *interface)
 528 {
 529         int rc;
 530         ENTRY;
 531
 532         QUOTA_CHECK_OP(interface, init);
 533         rc = QUOTA_OP(interface, init)();
 534         RETURN(rc);
 535 }
 536
 537 static inline int lquota_exit(quota_interface_t *interface)
 538 {
 539         int rc;
 540         ENTRY;
 541
 542         QUOTA_CHECK_OP(interface, exit);
 543         rc = QUOTA_OP(interface, exit)();
 544         RETURN(rc);
 545 }
 546
 547 static inline int lquota_setup(quota_interface_t *interface,
 548                                struct obd_device *obd)
 549 {
 550         int rc;
 551         ENTRY;
 552
 553         QUOTA_CHECK_OP(interface, setup);
 554         rc = QUOTA_OP(interface, setup)(obd);
 555         RETURN(rc);
 556 }
 557
 558 static inline int lquota_cleanup(quota_interface_t *interface,
 559                                  struct obd_device *obd)
 560 {
 561         int rc;
 562         ENTRY;
 563
 564         QUOTA_CHECK_OP(interface, cleanup);
 565         rc = QUOTA_OP(interface, cleanup)(obd);
 566         RETURN(rc);
 567 }
 568
 569 static inline int lquota_fs_cleanup(quota_interface_t *interface,
 570                                     struct obd_device *obd)
 571 {
 572         int rc;
 573         ENTRY;
 574
 575         QUOTA_CHECK_OP(interface, fs_cleanup);
 576         rc = QUOTA_OP(interface, fs_cleanup)(obd);
 577         RETURN(rc);
 578 }
 579
 580 static inline int lquota_recovery(quota_interface_t *interface,
 581                                   struct obd_device *obd)
 582 {
 583         int rc;
 584         ENTRY;
 585
 586         QUOTA_CHECK_OP(interface, recovery);
 587         rc = QUOTA_OP(interface, recovery)(obd);
 588         RETURN(rc);
 589 }
 590
 591 static inline int lquota_check(quota_interface_t *interface,
 592                                struct obd_device *obd,
 593                                struct obd_export *exp,
 594                                struct obd_quotactl *oqctl)
 595 {
 596         int rc;
 597         ENTRY;
 598
 599         QUOTA_CHECK_OP(interface, check);
 600         rc = QUOTA_OP(interface, check)(obd, exp, oqctl);
 601         RETURN(rc);
 602 }
 603
 604 static inline int lquota_ctl(quota_interface_t *interface,
 605                              struct obd_device *obd,
 606                              struct obd_quotactl *oqctl)
 607 {
 608         int rc;
 609         ENTRY;
 610
 611         QUOTA_CHECK_OP(interface, ctl);
 612         rc = QUOTA_OP(interface, ctl)(obd, NULL, oqctl);
 613         RETURN(rc);
 614 }
 615
 616 static inline int lquota_adjust(quota_interface_t *interface,
 617                                 struct obd_device *obd,
 618                                 const unsigned int qcids[],
 619                                 const unsigned int qpids[],
 620                                 int rc, int opc)
 621 {
 622         int ret;
 623         ENTRY;
 624
 625         QUOTA_CHECK_OP(interface, adjust);
 626         ret = QUOTA_OP(interface, adjust)(obd, qcids, qpids, rc, opc);
 627         RETURN(ret);
 628 }
 629
 630 static inline int lquota_chkdq(quota_interface_t *interface,
 631                                struct client_obd *cli, const unsigned int qid[])
 632 {
 633         int rc;
 634         ENTRY;
 635
 636         QUOTA_CHECK_OP(interface, chkdq);
 637         rc = QUOTA_OP(interface, chkdq)(cli, qid);
 638         RETURN(rc);
 639 }
 640
 641 static inline int lquota_setdq(quota_interface_t *interface,
 642                                struct client_obd *cli, const unsigned int qid[],
 643                                obd_flag valid, obd_flag flags)
 644 {
 645         int rc;
 646         ENTRY;
 647
 648         QUOTA_CHECK_OP(interface, setdq);
 649         rc = QUOTA_OP(interface, setdq)(cli, qid, valid, flags);
 650         RETURN(rc);
 651 }
 652
 653 static inline int lquota_poll_check(quota_interface_t *interface,
 654                                     struct obd_export *exp,
 655                                     struct if_quotacheck *qchk)
 656 {
 657         int rc;
 658         ENTRY;
 659
 660         QUOTA_CHECK_OP(interface, poll_check);
 661         rc = QUOTA_OP(interface, poll_check)(exp, qchk);
 662         RETURN(rc);
 663 }
 664
 665 static inline int lquota_setinfo(quota_interface_t *interface,
 666                                  struct obd_device *obd,
 667                                  void *data)
 668 {
 669         int rc;
 670         ENTRY;
 671
 672         QUOTA_CHECK_OP(interface, setinfo);
 673         rc = QUOTA_OP(interface, setinfo)(obd, data);
 674         RETURN(rc);
 675 }
 676
 677 static inline int lquota_clearinfo(quota_interface_t *interface,
 678                                    struct obd_export *exp,
 679                                    struct obd_device *obd)
 680 {
 681         int rc;
 682         ENTRY;
 683
 684         QUOTA_CHECK_OP(interface, clearinfo);
 685         rc = QUOTA_OP(interface, clearinfo)(exp, obd);
 686         RETURN(rc);
 687 }
 688
 689 static inline int lquota_enforce(quota_interface_t *interface,
 690                                  struct obd_device *obd,
 691                                  unsigned int ignore)
 692 {
 693         int rc;
 694         ENTRY;
 695
 696         QUOTA_CHECK_OP(interface, enforce);
 697         rc = QUOTA_OP(interface, enforce)(obd, ignore);
 698         RETURN(rc);
 699 }
 700
 701 static inline int lquota_getflag(quota_interface_t *interface,
 702                                  struct obd_device *obd, struct obdo *oa)
 703 {
 704         int rc;
 705         ENTRY;
 706
 707         QUOTA_CHECK_OP(interface, getflag);
 708         rc = QUOTA_OP(interface, getflag)(obd, oa);
 709         RETURN(rc);
 710 }
 711
 712 #ifdef __KERNEL__
 713 static inline int lquota_chkquota(quota_interface_t *interface,
 714                                   struct obd_device *obd,
 715                                   const unsigned int id[], int pending[],
 716                                   int count, struct obd_trans_info *oti,
 717                                   int isblk, void *data, int frags)
 718 {
 719         int rc;
 720         ENTRY;
 721
 722         QUOTA_CHECK_OP(interface, chkquota);
 723         QUOTA_CHECK_OP(interface, acquire);
 724         rc = QUOTA_OP(interface, chkquota)(obd, id, pending, count,
 725                                            QUOTA_OP(interface, acquire), oti,
 726                                            isblk, (struct inode *)data, frags);
 727         RETURN(rc);
 728 }
 729
 730 static inline int lquota_pending_commit(quota_interface_t *interface,
 731                                         struct obd_device *obd,
 732                                         const unsigned int id[],
 733                                         int pending[], int isblk)
 734 {
 735         int rc;
 736         ENTRY;
 737
 738         QUOTA_CHECK_OP(interface, pending_commit);
 739         rc = QUOTA_OP(interface, pending_commit)(obd, id, pending, isblk);
 740         RETURN(rc);
 741 }
 742 #endif
 743
 744 #ifndef __KERNEL__
 745 extern quota_interface_t osc_quota_interface;
 746 extern quota_interface_t lov_quota_interface;
 747 extern quota_interface_t mdc_quota_interface;
 748 extern quota_interface_t lmv_quota_interface;
 749
 750 #ifndef MAXQUOTAS
 751 #define MAXQUOTAS 2
 752 #endif
 753
 754 #ifndef USRQUOTA
 755 #define USRQUOTA 0
 756 #endif
 757
 758 #ifndef GRPQUOTA
 759 #define GRPQUOTA 1
 760 #endif
 761
 762 #endif
 763
 764 #define LUSTRE_ADMIN_QUOTAFILES_V2 {\
 765         "admin_quotafile_v2.usr",       /** user admin quotafile */\
 766         "admin_quotafile_v2.grp"        /** group admin quotafile */\
 767 }
 768
 769 #endif /* _LUSTRE_QUOTA_H */