lustre/include/lustre_quota.h

   1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
   2  * vim:expandtab:shiftwidth=8:tabstop=8:
   3  *
   4  * GPL HEADER START
   5  *
   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         /* these four are for measuring quota requests, for both of
  71          * quota master and quota slaves */
  72         LQUOTA_SYNC_ACQ = LQUOTA_FIRST_STAT,
  73         LQUOTA_SYNC_REL,
  74         LQUOTA_ASYNC_ACQ,
  75         LQUOTA_ASYNC_REL,
  76         /* these four measure how much time I/O threads spend on dealing
  77          * with quota before and after writing data or creating files,
  78          * only for quota slaves(lquota_chkquota and lquota_pending_commit) */
  79         LQUOTA_WAIT_FOR_CHK_BLK,
  80         LQUOTA_WAIT_FOR_CHK_INO,
  81         LQUOTA_WAIT_FOR_COMMIT_BLK,
  82         LQUOTA_WAIT_FOR_COMMIT_INO,
  83         /* these two are for measuring time waiting return of quota reqs
  84          * (qctxt_wait_pending_dqacq), only for quota salves */
  85         LQUOTA_WAIT_PENDING_BLK_QUOTA,
  86         LQUOTA_WAIT_PENDING_INO_QUOTA,
  87         /* these two are for those when they are calling
  88          * qctxt_wait_pending_dqacq, the quota req has returned already,
  89          * only for quota salves */
  90         LQUOTA_NOWAIT_PENDING_BLK_QUOTA,
  91         LQUOTA_NOWAIT_PENDING_INO_QUOTA,
  92         /* these are for quota ctl */
  93         LQUOTA_QUOTA_CTL,
  94         /* these are for adjust quota qunit, for both of
  95          * quota master and quota slaves  */
  96         LQUOTA_ADJUST_QUNIT,
  97         LQUOTA_LAST_STAT
  98 };
  99 #endif  /* LPROCFS */
 100
 101 /* structures to access admin quotafile */
 102 struct lustre_mem_dqinfo {
 103         unsigned int dqi_bgrace;
 104         unsigned int dqi_igrace;
 105         unsigned long dqi_flags;
 106         unsigned int dqi_blocks;
 107         unsigned int dqi_free_blk;
 108         unsigned int dqi_free_entry;
 109 };
 110
 111 struct lustre_quota_info {
 112         struct file *qi_files[MAXQUOTAS];
 113         struct lustre_mem_dqinfo qi_info[MAXQUOTAS];
 114         lustre_quota_version_t qi_version;
 115 };
 116
 117 #define DQ_STATUS_AVAIL         0x0     /* Available dquot */
 118 #define DQ_STATUS_SET           0x01    /* Sombody is setting dquot */
 119 #define DQ_STATUS_RECOVERY      0x02    /* dquot is in recovery */
 120
 121 struct lustre_mem_dqblk {
 122         __u64 dqb_bhardlimit;   /* absolute limit on disk blks alloc */
 123         __u64 dqb_bsoftlimit;   /* preferred limit on disk blks */
 124         __u64 dqb_curspace;     /* current used space */
 125         __u64 dqb_ihardlimit;   /* absolute limit on allocated inodes */
 126         __u64 dqb_isoftlimit;   /* preferred inode limit */
 127         __u64 dqb_curinodes;    /* current # allocated inodes */
 128         time_t dqb_btime;       /* time limit for excessive disk use */
 129         time_t dqb_itime;       /* time limit for excessive inode use */
 130 };
 131
 132 struct lustre_dquot {
 133         /* Hash list in memory, protect by dquot_hash_lock */
 134         struct list_head dq_hash;
 135         /* Protect the data in lustre_dquot */
 136         struct semaphore dq_sem;
 137         /* Use count */
 138         int dq_refcnt;
 139         /* Pointer of quota info it belongs to */
 140         struct lustre_quota_info *dq_info;
 141
 142         loff_t dq_off;                  /* Offset of dquot on disk */
 143         unsigned int dq_id;             /* ID this applies to (uid, gid) */
 144         int dq_type;                    /* Type fo quota (USRQUOTA, GRPQUOUTA) */
 145         unsigned short dq_status;       /* See DQ_STATUS_ */
 146         unsigned long dq_flags;         /* See DQ_ in quota.h */
 147         struct lustre_mem_dqblk dq_dqb; /* Diskquota usage */
 148 };
 149
 150 struct dquot_id {
 151         struct list_head        di_link;
 152         __u32                   di_id;
 153 };
 154
 155 #define QFILE_CHK               1
 156 #define QFILE_RD_INFO           2
 157 #define QFILE_WR_INFO           3
 158 #define QFILE_INIT_INFO         4
 159 #define QFILE_RD_DQUOT          5
 160 #define QFILE_WR_DQUOT          6
 161 #define QFILE_CONVERT           7
 162
 163 /* admin quotafile operations */
 164 int lustre_check_quota_file(struct lustre_quota_info *lqi, int type);
 165 int lustre_read_quota_info(struct lustre_quota_info *lqi, int type);
 166 int lustre_write_quota_info(struct lustre_quota_info *lqi, int type);
 167 int lustre_read_dquot(struct lustre_dquot *dquot);
 168 int lustre_commit_dquot(struct lustre_dquot *dquot);
 169 int lustre_init_quota_info(struct lustre_quota_info *lqi, int type);
 170 int lustre_get_qids(struct file *file, struct inode *inode, int type,
 171                     struct list_head *list);
 172 int lustre_quota_convert(struct lustre_quota_info *lqi, int type);
 173
 174 #define LL_DQUOT_OFF(sb)    DQUOT_OFF(sb)
 175
 176 typedef int (*dqacq_handler_t) (struct obd_device * obd, struct qunit_data * qd,
 177                                 int opc);
 178
 179 /* user quota is turned on on filter */
 180 #define LQC_USRQUOTA_FLAG (1 << 0)
 181 /* group quota is turned on on filter */
 182 #define LQC_GRPQUOTA_FLAG (1 << 1)
 183
 184 #define UGQUOTA2LQC(id) ((Q_TYPEMATCH(id, USRQUOTA) ? LQC_USRQUOTA_FLAG : 0) | \
 185                          (Q_TYPEMATCH(id, GRPQUOTA) ? LQC_GRPQUOTA_FLAG : 0))
 186
 187 struct lustre_quota_ctxt {
 188         struct super_block *lqc_sb;     /* superblock this applies to */
 189         struct obd_import *lqc_import;  /* import used to send dqacq/dqrel RPC */
 190         dqacq_handler_t lqc_handler;    /* dqacq/dqrel RPC handler, only for quota master */
 191         unsigned long lqc_flags;        /* quota flags */
 192         unsigned long lqc_recovery:1,   /* Doing recovery */
 193                       lqc_switch_qs:1,  /* the function of change qunit size
 194                                          * 0:Off, 1:On */
 195                       lqc_valid:1,      /* this qctxt is valid or not */
 196                       lqc_setup:1;      /* tell whether of not quota_type has
 197                                          * been processed, so that the master
 198                                          * knows when it can start processing
 199                                          * incoming acq/rel quota requests */
 200         unsigned long lqc_iunit_sz;     /* original unit size of file quota and
 201                                          * upper limitation for adjust file
 202                                          * qunit */
 203         unsigned long lqc_itune_sz;     /* Trigger dqacq when available file
 204                                          * quota less than this value, trigger
 205                                          * dqrel when available file quota
 206                                          * more than this value + 1 iunit */
 207         unsigned long lqc_bunit_sz;     /* original unit size of block quota and
 208                                          * upper limitation for adjust block
 209                                          * qunit */
 210         unsigned long lqc_btune_sz;     /* See comment of lqc_itune_sz */
 211         struct lustre_hash *lqc_lqs_hash; /* all lustre_qunit_size structures */
 212
 213         /* the values below are relative to how master change its qunit sizes */
 214         unsigned long lqc_cqs_boundary_factor; /* this affects the boundary of
 215                                                 * shrinking and enlarging qunit
 216                                                 * size. default=4 */
 217         unsigned long lqc_cqs_least_bunit;  /* the least value of block qunit */
 218         unsigned long lqc_cqs_least_iunit;  /* the least value of inode qunit */
 219         unsigned long lqc_cqs_qs_factor;    /* when enlarging, qunit size will
 220                                              * mutilple it; when shrinking,
 221                                              * qunit size will divide it */
 222         int           lqc_switch_seconds;   /* avoid ping-pong effect of
 223                                              * adjusting qunit size. How many
 224                                              * seconds must be waited between
 225                                              * enlarging and shinking qunit */
 226         int           lqc_sync_blk;         /* when blk qunit reaches this value,
 227                                              * later write reqs from client
 228                                              * should be sync b=16642 */
 229         spinlock_t    lqc_lock;         /* guard lqc_imp_valid now */
 230         cfs_waitq_t   lqc_wait_for_qmaster; /* when mds isn't connected, threads
 231                                              * on osts who send the quota reqs
 232                                              * with wait==1 will be put here
 233                                              * b=14840 */
 234         struct proc_dir_entry *lqc_proc_dir;
 235         struct lprocfs_stats  *lqc_stats; /* lquota statistics */
 236
 237         atomic_t      lqc_lqs;              /* the number of used hashed lqs */
 238         cfs_waitq_t   lqc_lqs_waitq;        /* no lqs are in use */
 239 };
 240
 241 #define QUOTA_MASTER_READY(qctxt)   (qctxt)->lqc_setup = 1
 242 #define QUOTA_MASTER_UNREADY(qctxt) (qctxt)->lqc_setup = 0
 243
 244 struct lustre_qunit_size {
 245         struct hlist_node lqs_hash; /* the hash entry */
 246         unsigned int lqs_id;        /* id of user/group */
 247         unsigned long lqs_flags;    /* is user/group; FULLBUF or LESSBUF */
 248         unsigned long lqs_iunit_sz; /* Unit size of file quota currently */
 249         unsigned long lqs_itune_sz; /* Trigger dqacq when available file quota
 250                                      * less than this value, trigger dqrel
 251                                      * when more than this value + 1 iunit */
 252         unsigned long lqs_bunit_sz; /* Unit size of block quota currently */
 253         unsigned long lqs_btune_sz; /* See comment of lqs itune sz */
 254         unsigned long lqs_bwrite_pending; /* the blocks reached ost and don't
 255                                            * finish */
 256         unsigned long lqs_iwrite_pending; /* the inodes reached mds and don't
 257                                            * finish */
 258         long long lqs_ino_rec;  /* when inodes are allocated/released,
 259                                  * this value will record it */
 260         long long lqs_blk_rec;  /* when blocks are allocated/released,
 261                                  * this value will record it */
 262         atomic_t lqs_refcount;
 263         cfs_time_t lqs_last_bshrink;   /* time of last block shrink */
 264         cfs_time_t lqs_last_ishrink;   /* time of last inode shrink */
 265         spinlock_t lqs_lock;
 266         struct quota_adjust_qunit lqs_key; /* hash key */
 267         struct lustre_quota_ctxt *lqs_ctxt; /* quota ctxt */
 268 };
 269
 270 #define LQS_IS_GRP(lqs)    ((lqs)->lqs_flags & LQUOTA_FLAGS_GRP)
 271 #define LQS_IS_ADJBLK(lqs) ((lqs)->lqs_flags & LQUOTA_FLAGS_ADJBLK)
 272 #define LQS_IS_ADJINO(lqs) ((lqs)->lqs_flags & LQUOTA_FLAGS_ADJINO)
 273
 274 #define LQS_SET_GRP(lqs)    ((lqs)->lqs_flags |= LQUOTA_FLAGS_GRP)
 275 #define LQS_SET_ADJBLK(lqs) ((lqs)->lqs_flags |= LQUOTA_FLAGS_ADJBLK)
 276 #define LQS_SET_ADJINO(lqs) ((lqs)->lqs_flags |= LQUOTA_FLAGS_ADJINO)
 277
 278 static inline void lqs_getref(struct lustre_qunit_size *lqs)
 279 {
 280         if (atomic_inc_return(&lqs->lqs_refcount) == 2) /* quota_create_lqs */
 281                 atomic_inc(&lqs->lqs_ctxt->lqc_lqs);
 282
 283         CDEBUG(D_QUOTA, "lqs=%p refcount %d\n",
 284                lqs, atomic_read(&lqs->lqs_refcount));
 285 }
 286
 287 static inline void lqs_putref(struct lustre_qunit_size *lqs)
 288 {
 289         LASSERT(atomic_read(&lqs->lqs_refcount) > 0);
 290
 291         /* killing last ref, let's let hash table kill it */
 292         if (atomic_read(&lqs->lqs_refcount) == 1) {
 293                 lustre_hash_del(lqs->lqs_ctxt->lqc_lqs_hash,
 294                                 &lqs->lqs_key, &lqs->lqs_hash);
 295                 OBD_FREE_PTR(lqs);
 296         } else {
 297                 if (atomic_dec_return(&lqs->lqs_refcount) == 1)
 298                         if (atomic_dec_and_test(&lqs->lqs_ctxt->lqc_lqs))
 299                                 cfs_waitq_signal(&lqs->lqs_ctxt->lqc_lqs_waitq);
 300                 CDEBUG(D_QUOTA, "lqs=%p refcount %d\n",
 301                        lqs, atomic_read(&lqs->lqs_refcount));
 302
 303         }
 304 }
 305
 306 static inline void lqs_initref(struct lustre_qunit_size *lqs)
 307 {
 308         atomic_set(&lqs->lqs_refcount, 0);
 309 }
 310
 311 #else
 312
 313 struct lustre_quota_info {
 314 };
 315
 316 struct lustre_quota_ctxt {
 317 };
 318
 319 #endif  /* !__KERNEL__ */
 320
 321 #else
 322
 323 #define LL_DQUOT_OFF(sb) do {} while(0)
 324
 325 struct lustre_quota_info {
 326 };
 327
 328 struct lustre_quota_ctxt {
 329 };
 330
 331 #define QUOTA_MASTER_READY(qctxt)
 332 #define QUOTA_MASTER_UNREADY(qctxt)
 333
 334 #endif /* !HAVE_QUOTA_SUPPORT */
 335
 336 /* If the (quota limit < qunit * slave count), the slave which can't
 337  * acquire qunit should set it's local limit as MIN_QLIMIT */
 338 #define MIN_QLIMIT      1
 339
 340 struct quotacheck_thread_args {
 341         struct obd_export   *qta_exp;   /* obd export */
 342         struct obd_quotactl  qta_oqctl; /* obd_quotactl args */
 343         struct super_block  *qta_sb;    /* obd super block */
 344         atomic_t            *qta_sem;   /* obt_quotachecking */
 345 };
 346
 347 struct obd_trans_info;
 348 typedef int (*quota_acquire)(struct obd_device *obd, unsigned int uid,
 349                              unsigned int gid, struct obd_trans_info *oti);
 350
 351 typedef struct {
 352         int (*quota_init) (void);
 353         int (*quota_exit) (void);
 354         int (*quota_setup) (struct obd_device *);
 355         int (*quota_cleanup) (struct obd_device *);
 356         /* For quota master, close admin quota files */
 357         int (*quota_fs_cleanup) (struct obd_device *);
 358         int (*quota_ctl) (struct obd_export *, struct obd_quotactl *);
 359         int (*quota_check) (struct obd_export *, struct obd_quotactl *);
 360         int (*quota_recovery) (struct obd_device *);
 361
 362         /* For quota master/slave, adjust quota limit after fs operation */
 363         int (*quota_adjust) (struct obd_device *, unsigned int[],
 364                              unsigned int[], int, int);
 365
 366         /* For quota slave, set import, trigger quota recovery */
 367         int (*quota_setinfo) (struct obd_export *, struct obd_device *);
 368
 369         /* For quota slave, clear import when relative import is invalid */
 370         int (*quota_clearinfo) (struct obd_export *, struct obd_device *);
 371
 372         /* For quota slave, set proper thread resoure capability */
 373         int (*quota_enforce) (struct obd_device *, unsigned int);
 374
 375         /* For quota slave, check whether specified uid/gid is over quota */
 376         int (*quota_getflag) (struct obd_device *, struct obdo *);
 377 #ifdef __KERNEL__
 378         /* For quota slave, acquire/release quota from master if needed */
 379         int (*quota_acquire) (struct obd_device *, unsigned int, unsigned int,
 380                               struct obd_trans_info *);
 381
 382         /* For quota slave, check whether specified uid/gid's remaining quota
 383          * can finish a block_write or inode_create rpc. It updates the pending
 384          * record of block and inode, acquires quota if necessary */
 385         int (*quota_chkquota) (struct obd_device *, unsigned int, unsigned int,
 386                                int, int *, quota_acquire,
 387                                struct obd_trans_info *, struct inode *, int);
 388
 389         /* For quota client, the actions after the pending write is committed */
 390         int (*quota_pending_commit) (struct obd_device *, unsigned int,
 391                                      unsigned int, int);
 392 #endif
 393         /* For quota client, poll if the quota check done */
 394         int (*quota_poll_check) (struct obd_export *, struct if_quotacheck *);
 395
 396         /* For quota client, check whether specified uid/gid is over quota */
 397         int (*quota_chkdq) (struct client_obd *, unsigned int, unsigned int);
 398
 399         /* For quota client, set over quota flag for specifed uid/gid */
 400         int (*quota_setdq) (struct client_obd *, unsigned int, unsigned int,
 401                             obd_flag, obd_flag);
 402
 403         /* For adjusting qunit size b=10600 */
 404         int (*quota_adjust_qunit) (struct obd_export *exp,
 405                                    struct quota_adjust_qunit *oqaq,
 406                                    struct lustre_quota_ctxt *qctxt);
 407
 408 } quota_interface_t;
 409
 410 #define Q_COPY(out, in, member) (out)->member = (in)->member
 411
 412 #define QUOTA_OP(interface, op) interface->quota_ ## op
 413
 414 #define QUOTA_CHECK_OP(interface, op)                           \
 415 do {                                                            \
 416         if (!interface)                                         \
 417                 RETURN(0);                                      \
 418         if (!QUOTA_OP(interface, op)) {                         \
 419                 CERROR("no quota operation: " #op "\n");        \
 420                 RETURN(-EOPNOTSUPP);                            \
 421         }                                                       \
 422 } while(0)
 423
 424 static inline int lquota_init(quota_interface_t *interface)
 425 {
 426         int rc;
 427         ENTRY;
 428
 429         QUOTA_CHECK_OP(interface, init);
 430         rc = QUOTA_OP(interface, init)();
 431         RETURN(rc);
 432 }
 433
 434 static inline int lquota_exit(quota_interface_t *interface)
 435 {
 436         int rc;
 437         ENTRY;
 438
 439         QUOTA_CHECK_OP(interface, exit);
 440         rc = QUOTA_OP(interface, exit)();
 441         RETURN(rc);
 442 }
 443
 444 static inline int lquota_setup(quota_interface_t *interface,
 445                                struct obd_device *obd)
 446 {
 447         int rc;
 448         ENTRY;
 449
 450         QUOTA_CHECK_OP(interface, setup);
 451         rc = QUOTA_OP(interface, setup)(obd);
 452         RETURN(rc);
 453 }
 454
 455 static inline int lquota_cleanup(quota_interface_t *interface,
 456                                  struct obd_device *obd)
 457 {
 458         int rc;
 459         ENTRY;
 460
 461         QUOTA_CHECK_OP(interface, cleanup);
 462         rc = QUOTA_OP(interface, cleanup)(obd);
 463         RETURN(rc);
 464 }
 465
 466 static inline int lquota_fs_cleanup(quota_interface_t *interface,
 467                                     struct obd_device *obd)
 468 {
 469         int rc;
 470         ENTRY;
 471
 472         QUOTA_CHECK_OP(interface, fs_cleanup);
 473         rc = QUOTA_OP(interface, fs_cleanup)(obd);
 474         RETURN(rc);
 475 }
 476
 477 static inline int lquota_recovery(quota_interface_t *interface,
 478                                   struct obd_device *obd)
 479 {
 480         int rc;
 481         ENTRY;
 482
 483         QUOTA_CHECK_OP(interface, recovery);
 484         rc = QUOTA_OP(interface, recovery)(obd);
 485         RETURN(rc);
 486 }
 487
 488 static inline int lquota_adjust(quota_interface_t *interface,
 489                                 struct obd_device *obd,
 490                                 unsigned int qcids[],
 491                                 unsigned int qpids[],
 492                                 int rc, int opc)
 493 {
 494         int ret;
 495         ENTRY;
 496
 497         QUOTA_CHECK_OP(interface, adjust);
 498         ret = QUOTA_OP(interface, adjust)(obd, qcids, qpids, rc, opc);
 499         RETURN(ret);
 500 }
 501
 502 static inline int lquota_chkdq(quota_interface_t *interface,
 503                                struct client_obd *cli,
 504                                unsigned int uid, unsigned int gid)
 505 {
 506         int rc;
 507         ENTRY;
 508
 509         QUOTA_CHECK_OP(interface, chkdq);
 510         rc = QUOTA_OP(interface, chkdq)(cli, uid, gid);
 511         RETURN(rc);
 512 }
 513
 514 static inline int lquota_setdq(quota_interface_t *interface,
 515                                struct client_obd *cli,
 516                                unsigned int uid, unsigned int gid,
 517                                obd_flag valid, obd_flag flags)
 518 {
 519         int rc;
 520         ENTRY;
 521
 522         QUOTA_CHECK_OP(interface, setdq);
 523         rc = QUOTA_OP(interface, setdq)(cli, uid, gid, valid, flags);
 524         RETURN(rc);
 525 }
 526
 527 static inline int lquota_poll_check(quota_interface_t *interface,
 528                                     struct obd_export *exp,
 529                                     struct if_quotacheck *qchk)
 530 {
 531         int rc;
 532         ENTRY;
 533
 534         QUOTA_CHECK_OP(interface, poll_check);
 535         rc = QUOTA_OP(interface, poll_check)(exp, qchk);
 536         RETURN(rc);
 537 }
 538
 539 static inline int lquota_setinfo(quota_interface_t *interface,
 540                                  struct obd_export *exp,
 541                                  struct obd_device *obd)
 542 {
 543         int rc;
 544         ENTRY;
 545
 546         QUOTA_CHECK_OP(interface, setinfo);
 547         rc = QUOTA_OP(interface, setinfo)(exp, obd);
 548         RETURN(rc);
 549 }
 550
 551 static inline int lquota_clearinfo(quota_interface_t *interface,
 552                                    struct obd_export *exp,
 553                                    struct obd_device *obd)
 554 {
 555         int rc;
 556         ENTRY;
 557
 558         QUOTA_CHECK_OP(interface, clearinfo);
 559         rc = QUOTA_OP(interface, clearinfo)(exp, obd);
 560         RETURN(rc);
 561 }
 562
 563 static inline int lquota_enforce(quota_interface_t *interface,
 564                                  struct obd_device *obd,
 565                                  unsigned int ignore)
 566 {
 567         int rc;
 568         ENTRY;
 569
 570         QUOTA_CHECK_OP(interface, enforce);
 571         rc = QUOTA_OP(interface, enforce)(obd, ignore);
 572         RETURN(rc);
 573 }
 574
 575 static inline int lquota_getflag(quota_interface_t *interface,
 576                                  struct obd_device *obd, struct obdo *oa)
 577 {
 578         int rc;
 579         ENTRY;
 580
 581         QUOTA_CHECK_OP(interface, getflag);
 582         rc = QUOTA_OP(interface, getflag)(obd, oa);
 583         RETURN(rc);
 584 }
 585
 586 #ifdef __KERNEL__
 587 static inline int lquota_acquire(quota_interface_t *interface,
 588                                  struct obd_device *obd,
 589                                  unsigned int uid, unsigned int gid,
 590                                  struct obd_trans_info *oti)
 591 {
 592         int rc;
 593         ENTRY;
 594
 595         QUOTA_CHECK_OP(interface, acquire);
 596         rc = QUOTA_OP(interface, acquire)(obd, uid, gid, oti);
 597         RETURN(rc);
 598 }
 599
 600 static inline int lquota_chkquota(quota_interface_t *interface,
 601                                   struct obd_device *obd,
 602                                   unsigned int uid, unsigned int gid, int count,
 603                                   int *flag, struct obd_trans_info *oti,
 604                                   struct inode *inode, int frags)
 605 {
 606         int rc;
 607         ENTRY;
 608
 609         QUOTA_CHECK_OP(interface, chkquota);
 610         QUOTA_CHECK_OP(interface, acquire);
 611         rc = QUOTA_OP(interface, chkquota)(obd, uid, gid, count, flag,
 612                                            QUOTA_OP(interface, acquire), oti,
 613                                            inode, frags);
 614         RETURN(rc);
 615 }
 616
 617 static inline int lquota_pending_commit(quota_interface_t *interface,
 618                                         struct obd_device *obd,
 619                                         unsigned int uid, unsigned int gid,
 620                                         int pending)
 621 {
 622         int rc;
 623         ENTRY;
 624
 625         QUOTA_CHECK_OP(interface, pending_commit);
 626         rc = QUOTA_OP(interface, pending_commit)(obd, uid, gid, pending);
 627         RETURN(rc);
 628 }
 629 #endif
 630
 631 #ifndef __KERNEL__
 632 extern quota_interface_t osc_quota_interface;
 633 extern quota_interface_t mdc_quota_interface;
 634 extern quota_interface_t lov_quota_interface;
 635
 636 #ifndef MAXQUOTAS
 637 #define MAXQUOTAS 2
 638 #endif
 639
 640 #ifndef USRQUOTA
 641 #define USRQUOTA 0
 642 #endif
 643
 644 #ifndef GRPQUOTA
 645 #define GRPQUOTA 1
 646 #endif
 647
 648 #endif
 649
 650 #define LUSTRE_ADMIN_QUOTAFILES_V1 {\
 651         "admin_quotafile.usr",  /* user admin quotafile */\
 652         "admin_quotafile.grp"   /* group admin quotafile */\
 653 }
 654
 655 #define LUSTRE_ADMIN_QUOTAFILES_V2 {\
 656         "admin_quotafile_v2.usr",       /* user admin quotafile */\
 657         "admin_quotafile_v2.grp"        /* group admin quotafile */\
 658 }
 659
 660 #endif /* _LUSTRE_QUOTA_H */