lustre/include/lustre_quota.h

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   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  *
  18  * You should have received a copy of the GNU General Public License
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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         unsigned long long 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 /* In the hash for lustre_qunit_size, the key is decided by
 353  * grp_or_usr and uid/gid, in here, I combine these two values,
 354  * which will make comparing easier and more efficient */
 355 #define LQS_KEY(is_grp, id)  ((is_grp ? 1ULL << 32: 0) + id)
 356 #define LQS_KEY_ID(key)      (key & 0xffffffff)
 357 #define LQS_KEY_GRP(key)     (key >> 32)
 358
 359 static inline void lqs_getref(struct lustre_qunit_size *lqs)
 360 {
 361         atomic_inc(&lqs->lqs_refcount);
 362         CDEBUG(D_QUOTA, "lqs=%p refcount %d\n",
 363                lqs, atomic_read(&lqs->lqs_refcount));
 364 }
 365
 366 static inline void lqs_putref(struct lustre_qunit_size *lqs)
 367 {
 368         LASSERT(atomic_read(&lqs->lqs_refcount) > 0);
 369
 370         /* killing last ref, let's let hash table kill it */
 371         if (atomic_read(&lqs->lqs_refcount) == 1) {
 372                 lustre_hash_del(lqs->lqs_ctxt->lqc_lqs_hash,
 373                                 &lqs->lqs_key, &lqs->lqs_hash);
 374                 OBD_FREE_PTR(lqs);
 375         } else {
 376                 atomic_dec(&lqs->lqs_refcount);
 377                 CDEBUG(D_QUOTA, "lqs=%p refcount %d\n",
 378                        lqs, atomic_read(&lqs->lqs_refcount));
 379
 380         }
 381 }
 382
 383 static inline void lqs_initref(struct lustre_qunit_size *lqs)
 384 {
 385         atomic_set(&lqs->lqs_refcount, 0);
 386 }
 387
 388 #else
 389
 390 struct lustre_quota_info {
 391 };
 392
 393 struct lustre_quota_ctxt {
 394 };
 395
 396 #define QUOTA_MASTER_READY(qctxt)
 397 #define QUOTA_MASTER_UNREADY(qctxt)
 398
 399 #endif  /* !__KERNEL__ */
 400
 401 #else
 402
 403 #define LL_DQUOT_OFF(sb) do {} while(0)
 404
 405 struct lustre_quota_info {
 406 };
 407
 408 struct lustre_quota_ctxt {
 409 };
 410
 411 #endif /* !HAVE_QUOTA_SUPPORT */
 412
 413 /* If the (quota limit < qunit * slave count), the slave which can't
 414  * acquire qunit should set it's local limit as MIN_QLIMIT */
 415 #define MIN_QLIMIT      1
 416
 417 struct quotacheck_thread_args {
 418         struct obd_export   *qta_exp;   /** obd export */
 419         struct obd_device   *qta_obd;   /** obd device */
 420         struct obd_quotactl  qta_oqctl; /** obd_quotactl args */
 421         struct super_block  *qta_sb;    /** obd super block */
 422         atomic_t            *qta_sem;   /** obt_quotachecking */
 423 };
 424
 425 struct obd_trans_info;
 426 typedef int (*quota_acquire)(struct obd_device *obd, const unsigned int id[],
 427                              struct obd_trans_info *oti, int isblk);
 428
 429 typedef struct {
 430         int (*quota_init) (void);
 431         int (*quota_exit) (void);
 432         int (*quota_setup) (struct obd_device *);
 433         int (*quota_cleanup) (struct obd_device *);
 434         /**
 435          * For quota master, close admin quota files
 436          */
 437         int (*quota_fs_cleanup) (struct obd_device *);
 438         int (*quota_ctl) (struct obd_device *, struct obd_export *,
 439                           struct obd_quotactl *);
 440         int (*quota_check) (struct obd_device *, struct obd_export *,
 441                             struct obd_quotactl *);
 442         int (*quota_recovery) (struct obd_device *);
 443
 444         /**
 445          * For quota master/slave, adjust quota limit after fs operation
 446          */
 447         int (*quota_adjust) (struct obd_device *, const unsigned int[],
 448                              const unsigned int[], int, int);
 449
 450         /**
 451          * For quota slave, set import, trigger quota recovery,
 452          * For quota master, set lqc_setup
 453          */
 454         int (*quota_setinfo) (struct obd_device *, void *);
 455
 456         /**
 457          * For quota slave, clear import when relative import is invalid
 458          */
 459         int (*quota_clearinfo) (struct obd_export *, struct obd_device *);
 460
 461         /**
 462          * For quota slave, set proper thread resoure capability
 463          */
 464         int (*quota_enforce) (struct obd_device *, unsigned int);
 465
 466         /**
 467          * For quota slave, check whether specified uid/gid is over quota
 468          */
 469         int (*quota_getflag) (struct obd_device *, struct obdo *);
 470
 471 #ifdef __KERNEL__
 472         /**
 473          * For quota slave, acquire/release quota from master if needed
 474          */
 475         int (*quota_acquire) (struct obd_device *, const unsigned int [],
 476                               struct obd_trans_info *, int);
 477
 478         /**
 479          * For quota slave, check whether specified uid/gid's remaining quota
 480          * can finish a block_write or inode_create rpc. It updates the pending
 481          * record of block and inode, acquires quota if necessary
 482          */
 483         int (*quota_chkquota) (struct obd_device *, const unsigned int [],
 484                                int [], int, quota_acquire,
 485                                struct obd_trans_info *, int, struct inode *,
 486                                int);
 487
 488         /**
 489          * For quota client, the actions after the pending write is committed
 490          */
 491         int (*quota_pending_commit) (struct obd_device *, const unsigned int [],
 492                                      int [], int);
 493 #endif
 494
 495         /**
 496          * For quota client, poll if the quota check done
 497          */
 498         int (*quota_poll_check) (struct obd_export *, struct if_quotacheck *);
 499
 500         /**
 501          * For quota client, check whether specified uid/gid is over quota
 502          */
 503         int (*quota_chkdq) (struct client_obd *, const unsigned int []);
 504
 505         /**
 506          * For quota client, set over quota flag for specifed uid/gid
 507          */
 508         int (*quota_setdq) (struct client_obd *, const unsigned int [],
 509                             obd_flag, obd_flag);
 510
 511         /**
 512          * For adjusting qunit size b=10600
 513          */
 514         int (*quota_adjust_qunit) (struct obd_export *exp,
 515                                    struct quota_adjust_qunit *oqaq,
 516                                    struct lustre_quota_ctxt *qctxt);
 517
 518 } quota_interface_t;
 519
 520 #define Q_COPY(out, in, member) (out)->member = (in)->member
 521
 522 #define QUOTA_OP(interface, op) interface->quota_ ## op
 523
 524 #define QUOTA_CHECK_OP(interface, op)                           \
 525 do {                                                            \
 526         if (!interface)                                         \
 527                 RETURN(0);                                      \
 528         if (!QUOTA_OP(interface, op)) {                         \
 529                 CERROR("no quota operation: " #op "\n");        \
 530                 RETURN(-EOPNOTSUPP);                            \
 531         }                                                       \
 532 } while(0)
 533
 534 static inline int lquota_init(quota_interface_t *interface)
 535 {
 536         int rc;
 537         ENTRY;
 538
 539         QUOTA_CHECK_OP(interface, init);
 540         rc = QUOTA_OP(interface, init)();
 541         RETURN(rc);
 542 }
 543
 544 static inline int lquota_exit(quota_interface_t *interface)
 545 {
 546         int rc;
 547         ENTRY;
 548
 549         QUOTA_CHECK_OP(interface, exit);
 550         rc = QUOTA_OP(interface, exit)();
 551         RETURN(rc);
 552 }
 553
 554 static inline int lquota_setup(quota_interface_t *interface,
 555                                struct obd_device *obd)
 556 {
 557         int rc;
 558         ENTRY;
 559
 560         QUOTA_CHECK_OP(interface, setup);
 561         rc = QUOTA_OP(interface, setup)(obd);
 562         RETURN(rc);
 563 }
 564
 565 static inline int lquota_cleanup(quota_interface_t *interface,
 566                                  struct obd_device *obd)
 567 {
 568         int rc;
 569         ENTRY;
 570
 571         QUOTA_CHECK_OP(interface, cleanup);
 572         rc = QUOTA_OP(interface, cleanup)(obd);
 573         RETURN(rc);
 574 }
 575
 576 static inline int lquota_fs_cleanup(quota_interface_t *interface,
 577                                     struct obd_device *obd)
 578 {
 579         int rc;
 580         ENTRY;
 581
 582         QUOTA_CHECK_OP(interface, fs_cleanup);
 583         rc = QUOTA_OP(interface, fs_cleanup)(obd);
 584         RETURN(rc);
 585 }
 586
 587 static inline int lquota_recovery(quota_interface_t *interface,
 588                                   struct obd_device *obd)
 589 {
 590         int rc;
 591         ENTRY;
 592
 593         QUOTA_CHECK_OP(interface, recovery);
 594         rc = QUOTA_OP(interface, recovery)(obd);
 595         RETURN(rc);
 596 }
 597
 598 static inline int lquota_check(quota_interface_t *interface,
 599                                struct obd_device *obd,
 600                                struct obd_export *exp,
 601                                struct obd_quotactl *oqctl)
 602 {
 603         int rc;
 604         ENTRY;
 605
 606         QUOTA_CHECK_OP(interface, check);
 607         rc = QUOTA_OP(interface, check)(obd, exp, oqctl);
 608         RETURN(rc);
 609 }
 610
 611 static inline int lquota_ctl(quota_interface_t *interface,
 612                              struct obd_device *obd,
 613                              struct obd_quotactl *oqctl)
 614 {
 615         int rc;
 616         ENTRY;
 617
 618         QUOTA_CHECK_OP(interface, ctl);
 619         rc = QUOTA_OP(interface, ctl)(obd, NULL, oqctl);
 620         RETURN(rc);
 621 }
 622
 623 static inline int lquota_adjust(quota_interface_t *interface,
 624                                 struct obd_device *obd,
 625                                 const unsigned int qcids[],
 626                                 const unsigned int qpids[],
 627                                 int rc, int opc)
 628 {
 629         int ret;
 630         ENTRY;
 631
 632         QUOTA_CHECK_OP(interface, adjust);
 633         ret = QUOTA_OP(interface, adjust)(obd, qcids, qpids, rc, opc);
 634         RETURN(ret);
 635 }
 636
 637 static inline int lquota_chkdq(quota_interface_t *interface,
 638                                struct client_obd *cli, const unsigned int qid[])
 639 {
 640         int rc;
 641         ENTRY;
 642
 643         QUOTA_CHECK_OP(interface, chkdq);
 644         rc = QUOTA_OP(interface, chkdq)(cli, qid);
 645         RETURN(rc);
 646 }
 647
 648 static inline int lquota_setdq(quota_interface_t *interface,
 649                                struct client_obd *cli, const unsigned int qid[],
 650                                obd_flag valid, obd_flag flags)
 651 {
 652         int rc;
 653         ENTRY;
 654
 655         QUOTA_CHECK_OP(interface, setdq);
 656         rc = QUOTA_OP(interface, setdq)(cli, qid, valid, flags);
 657         RETURN(rc);
 658 }
 659
 660 static inline int lquota_poll_check(quota_interface_t *interface,
 661                                     struct obd_export *exp,
 662                                     struct if_quotacheck *qchk)
 663 {
 664         int rc;
 665         ENTRY;
 666
 667         QUOTA_CHECK_OP(interface, poll_check);
 668         rc = QUOTA_OP(interface, poll_check)(exp, qchk);
 669         RETURN(rc);
 670 }
 671
 672 static inline int lquota_setinfo(quota_interface_t *interface,
 673                                  struct obd_device *obd,
 674                                  void *data)
 675 {
 676         int rc;
 677         ENTRY;
 678
 679         QUOTA_CHECK_OP(interface, setinfo);
 680         rc = QUOTA_OP(interface, setinfo)(obd, data);
 681         RETURN(rc);
 682 }
 683
 684 static inline int lquota_clearinfo(quota_interface_t *interface,
 685                                    struct obd_export *exp,
 686                                    struct obd_device *obd)
 687 {
 688         int rc;
 689         ENTRY;
 690
 691         QUOTA_CHECK_OP(interface, clearinfo);
 692         rc = QUOTA_OP(interface, clearinfo)(exp, obd);
 693         RETURN(rc);
 694 }
 695
 696 static inline int lquota_enforce(quota_interface_t *interface,
 697                                  struct obd_device *obd,
 698                                  unsigned int ignore)
 699 {
 700         int rc;
 701         ENTRY;
 702
 703         QUOTA_CHECK_OP(interface, enforce);
 704         rc = QUOTA_OP(interface, enforce)(obd, ignore);
 705         RETURN(rc);
 706 }
 707
 708 static inline int lquota_getflag(quota_interface_t *interface,
 709                                  struct obd_device *obd, struct obdo *oa)
 710 {
 711         int rc;
 712         ENTRY;
 713
 714         QUOTA_CHECK_OP(interface, getflag);
 715         rc = QUOTA_OP(interface, getflag)(obd, oa);
 716         RETURN(rc);
 717 }
 718
 719 #ifdef __KERNEL__
 720 static inline int lquota_chkquota(quota_interface_t *interface,
 721                                   struct obd_device *obd,
 722                                   const unsigned int id[], int pending[],
 723                                   int count, struct obd_trans_info *oti,
 724                                   int isblk, void *data, int frags)
 725 {
 726         int rc;
 727         ENTRY;
 728
 729         QUOTA_CHECK_OP(interface, chkquota);
 730         QUOTA_CHECK_OP(interface, acquire);
 731         rc = QUOTA_OP(interface, chkquota)(obd, id, pending, count,
 732                                            QUOTA_OP(interface, acquire), oti,
 733                                            isblk, (struct inode *)data, frags);
 734         RETURN(rc);
 735 }
 736
 737 static inline int lquota_pending_commit(quota_interface_t *interface,
 738                                         struct obd_device *obd,
 739                                         const unsigned int id[],
 740                                         int pending[], int isblk)
 741 {
 742         int rc;
 743         ENTRY;
 744
 745         QUOTA_CHECK_OP(interface, pending_commit);
 746         rc = QUOTA_OP(interface, pending_commit)(obd, id, pending, isblk);
 747         RETURN(rc);
 748 }
 749 #endif
 750
 751 #ifndef __KERNEL__
 752 extern quota_interface_t osc_quota_interface;
 753 extern quota_interface_t lov_quota_interface;
 754 extern quota_interface_t mdc_quota_interface;
 755 extern quota_interface_t lmv_quota_interface;
 756
 757 #ifndef MAXQUOTAS
 758 #define MAXQUOTAS 2
 759 #endif
 760
 761 #ifndef USRQUOTA
 762 #define USRQUOTA 0
 763 #endif
 764
 765 #ifndef GRPQUOTA
 766 #define GRPQUOTA 1
 767 #endif
 768
 769 #endif
 770
 771 #define LUSTRE_ADMIN_QUOTAFILES_V2 {\
 772         "admin_quotafile_v2.usr",       /** user admin quotafile */\
 773         "admin_quotafile_v2.grp"        /** group admin quotafile */\
 774 }
 775
 776 #endif /* _LUSTRE_QUOTA_H */