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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   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/lustre_idl.h>
  51 #include <lustre_net.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
 238 #define QUOTA_MASTER_READY(qctxt)   (qctxt)->lqc_setup = 1
 239 #define QUOTA_MASTER_UNREADY(qctxt) (qctxt)->lqc_setup = 0
 240
 241 struct lustre_qunit_size {
 242         struct hlist_node lqs_hash; /* the hash entry */
 243         unsigned int lqs_id;        /* id of user/group */
 244         unsigned long lqs_flags;    /* is user/group; FULLBUF or LESSBUF */
 245         unsigned long lqs_iunit_sz; /* Unit size of file quota currently */
 246         unsigned long lqs_itune_sz; /* Trigger dqacq when available file quota
 247                                      * less than this value, trigger dqrel
 248                                      * when more than this value + 1 iunit */
 249         unsigned long lqs_bunit_sz; /* Unit size of block quota currently */
 250         unsigned long lqs_btune_sz; /* See comment of lqs itune sz */
 251         unsigned long lqs_bwrite_pending; /* the blocks reached ost and don't
 252                                            * finish */
 253         unsigned long lqs_iwrite_pending; /* the inodes reached mds and don't
 254                                            * finish */
 255         long long lqs_ino_rec;  /* when inodes are allocated/released,
 256                                  * this value will record it */
 257         long long lqs_blk_rec;  /* when blocks are allocated/released,
 258                                  * this value will record it */
 259         atomic_t lqs_refcount;
 260         cfs_time_t lqs_last_bshrink;   /* time of last block shrink */
 261         cfs_time_t lqs_last_ishrink;   /* time of last inode shrink */
 262         spinlock_t lqs_lock;
 263         struct quota_adjust_qunit lqs_key; /* hash key */
 264         struct lustre_quota_ctxt *lqs_ctxt; /* quota ctxt */
 265 };
 266
 267 #define LQS_IS_GRP(lqs)    ((lqs)->lqs_flags & LQUOTA_FLAGS_GRP)
 268 #define LQS_IS_ADJBLK(lqs) ((lqs)->lqs_flags & LQUOTA_FLAGS_ADJBLK)
 269 #define LQS_IS_ADJINO(lqs) ((lqs)->lqs_flags & LQUOTA_FLAGS_ADJINO)
 270
 271 #define LQS_SET_GRP(lqs)    ((lqs)->lqs_flags |= LQUOTA_FLAGS_GRP)
 272 #define LQS_SET_ADJBLK(lqs) ((lqs)->lqs_flags |= LQUOTA_FLAGS_ADJBLK)
 273 #define LQS_SET_ADJINO(lqs) ((lqs)->lqs_flags |= LQUOTA_FLAGS_ADJINO)
 274
 275 static inline void lqs_getref(struct lustre_qunit_size *lqs)
 276 {
 277         atomic_inc(&lqs->lqs_refcount);
 278         CDEBUG(D_QUOTA, "lqs=%p refcount %d\n",
 279                lqs, atomic_read(&lqs->lqs_refcount));
 280 }
 281
 282 static inline void lqs_putref(struct lustre_qunit_size *lqs)
 283 {
 284         LASSERT(atomic_read(&lqs->lqs_refcount) > 0);
 285
 286         /* killing last ref, let's let hash table kill it */
 287         if (atomic_read(&lqs->lqs_refcount) == 1) {
 288                 lustre_hash_del(lqs->lqs_ctxt->lqc_lqs_hash,
 289                                 &lqs->lqs_key, &lqs->lqs_hash);
 290                 OBD_FREE_PTR(lqs);
 291         } else {
 292                 atomic_dec(&lqs->lqs_refcount);
 293                 CDEBUG(D_QUOTA, "lqs=%p refcount %d\n",
 294                        lqs, atomic_read(&lqs->lqs_refcount));
 295
 296         }
 297 }
 298
 299 static inline void lqs_initref(struct lustre_qunit_size *lqs)
 300 {
 301         atomic_set(&lqs->lqs_refcount, 0);
 302 }
 303
 304 #else
 305
 306 struct lustre_quota_info {
 307 };
 308
 309 struct lustre_quota_ctxt {
 310 };
 311
 312 #endif  /* !__KERNEL__ */
 313
 314 #else
 315
 316 #define LL_DQUOT_OFF(sb) do {} while(0)
 317
 318 struct lustre_quota_info {
 319 };
 320
 321 struct lustre_quota_ctxt {
 322 };
 323
 324 #define QUOTA_MASTER_READY(qctxt)
 325 #define QUOTA_MASTER_UNREADY(qctxt)
 326
 327 #endif /* !HAVE_QUOTA_SUPPORT */
 328
 329 /* If the (quota limit < qunit * slave count), the slave which can't
 330  * acquire qunit should set it's local limit as MIN_QLIMIT */
 331 #define MIN_QLIMIT      1
 332
 333 struct quotacheck_thread_args {
 334         struct obd_export   *qta_exp;   /* obd export */
 335         struct obd_quotactl  qta_oqctl; /* obd_quotactl args */
 336         struct super_block  *qta_sb;    /* obd super block */
 337         atomic_t            *qta_sem;   /* obt_quotachecking */
 338 };
 339
 340 struct obd_trans_info;
 341 typedef int (*quota_acquire)(struct obd_device *obd, unsigned int uid,
 342                              unsigned int gid, struct obd_trans_info *oti);
 343
 344 typedef struct {
 345         int (*quota_init) (void);
 346         int (*quota_exit) (void);
 347         int (*quota_setup) (struct obd_device *);
 348         int (*quota_cleanup) (struct obd_device *);
 349         /* For quota master, close admin quota files */
 350         int (*quota_fs_cleanup) (struct obd_device *);
 351         int (*quota_ctl) (struct obd_export *, struct obd_quotactl *);
 352         int (*quota_check) (struct obd_export *, struct obd_quotactl *);
 353         int (*quota_recovery) (struct obd_device *);
 354
 355         /* For quota master/slave, adjust quota limit after fs operation */
 356         int (*quota_adjust) (struct obd_device *, unsigned int[],
 357                              unsigned int[], int, int);
 358
 359         /* For quota slave, set import, trigger quota recovery */
 360         int (*quota_setinfo) (struct obd_export *, struct obd_device *);
 361
 362         /* For quota slave, clear import when relative import is invalid */
 363         int (*quota_clearinfo) (struct obd_export *, struct obd_device *);
 364
 365         /* For quota slave, set proper thread resoure capability */
 366         int (*quota_enforce) (struct obd_device *, unsigned int);
 367
 368         /* For quota slave, check whether specified uid/gid is over quota */
 369         int (*quota_getflag) (struct obd_device *, struct obdo *);
 370 #ifdef __KERNEL__
 371         /* For quota slave, acquire/release quota from master if needed */
 372         int (*quota_acquire) (struct obd_device *, unsigned int, unsigned int,
 373                               struct obd_trans_info *);
 374
 375         /* For quota slave, check whether specified uid/gid's remaining quota
 376          * can finish a block_write or inode_create rpc. It updates the pending
 377          * record of block and inode, acquires quota if necessary */
 378         int (*quota_chkquota) (struct obd_device *, unsigned int, unsigned int,
 379                                int, int *, quota_acquire,
 380                                struct obd_trans_info *, struct inode *, int);
 381
 382         /* For quota client, the actions after the pending write is committed */
 383         int (*quota_pending_commit) (struct obd_device *, unsigned int,
 384                                      unsigned int, int);
 385 #endif
 386         /* For quota client, poll if the quota check done */
 387         int (*quota_poll_check) (struct obd_export *, struct if_quotacheck *);
 388
 389         /* For quota client, check whether specified uid/gid is over quota */
 390         int (*quota_chkdq) (struct client_obd *, unsigned int, unsigned int);
 391
 392         /* For quota client, set over quota flag for specifed uid/gid */
 393         int (*quota_setdq) (struct client_obd *, unsigned int, unsigned int,
 394                             obd_flag, obd_flag);
 395
 396         /* For adjusting qunit size b=10600 */
 397         int (*quota_adjust_qunit) (struct obd_export *exp,
 398                                    struct quota_adjust_qunit *oqaq,
 399                                    struct lustre_quota_ctxt *qctxt);
 400
 401 } quota_interface_t;
 402
 403 #define Q_COPY(out, in, member) (out)->member = (in)->member
 404
 405 #define QUOTA_OP(interface, op) interface->quota_ ## op
 406
 407 #define QUOTA_CHECK_OP(interface, op)                           \
 408 do {                                                            \
 409         if (!interface)                                         \
 410                 RETURN(0);                                      \
 411         if (!QUOTA_OP(interface, op)) {                         \
 412                 CERROR("no quota operation: " #op "\n");        \
 413                 RETURN(-EOPNOTSUPP);                            \
 414         }                                                       \
 415 } while(0)
 416
 417 static inline int lquota_init(quota_interface_t *interface)
 418 {
 419         int rc;
 420         ENTRY;
 421
 422         QUOTA_CHECK_OP(interface, init);
 423         rc = QUOTA_OP(interface, init)();
 424         RETURN(rc);
 425 }
 426
 427 static inline int lquota_exit(quota_interface_t *interface)
 428 {
 429         int rc;
 430         ENTRY;
 431
 432         QUOTA_CHECK_OP(interface, exit);
 433         rc = QUOTA_OP(interface, exit)();
 434         RETURN(rc);
 435 }
 436
 437 static inline int lquota_setup(quota_interface_t *interface,
 438                                struct obd_device *obd)
 439 {
 440         int rc;
 441         ENTRY;
 442
 443         QUOTA_CHECK_OP(interface, setup);
 444         rc = QUOTA_OP(interface, setup)(obd);
 445         RETURN(rc);
 446 }
 447
 448 static inline int lquota_cleanup(quota_interface_t *interface,
 449                                  struct obd_device *obd)
 450 {
 451         int rc;
 452         ENTRY;
 453
 454         QUOTA_CHECK_OP(interface, cleanup);
 455         rc = QUOTA_OP(interface, cleanup)(obd);
 456         RETURN(rc);
 457 }
 458
 459 static inline int lquota_fs_cleanup(quota_interface_t *interface,
 460                                     struct obd_device *obd)
 461 {
 462         int rc;
 463         ENTRY;
 464
 465         QUOTA_CHECK_OP(interface, fs_cleanup);
 466         rc = QUOTA_OP(interface, fs_cleanup)(obd);
 467         RETURN(rc);
 468 }
 469
 470 static inline int lquota_recovery(quota_interface_t *interface,
 471                                   struct obd_device *obd)
 472 {
 473         int rc;
 474         ENTRY;
 475
 476         QUOTA_CHECK_OP(interface, recovery);
 477         rc = QUOTA_OP(interface, recovery)(obd);
 478         RETURN(rc);
 479 }
 480
 481 static inline int lquota_adjust(quota_interface_t *interface,
 482                                 struct obd_device *obd,
 483                                 unsigned int qcids[],
 484                                 unsigned int qpids[],
 485                                 int rc, int opc)
 486 {
 487         int ret;
 488         ENTRY;
 489
 490         QUOTA_CHECK_OP(interface, adjust);
 491         ret = QUOTA_OP(interface, adjust)(obd, qcids, qpids, rc, opc);
 492         RETURN(ret);
 493 }
 494
 495 static inline int lquota_chkdq(quota_interface_t *interface,
 496                                struct client_obd *cli,
 497                                unsigned int uid, unsigned int gid)
 498 {
 499         int rc;
 500         ENTRY;
 501
 502         QUOTA_CHECK_OP(interface, chkdq);
 503         rc = QUOTA_OP(interface, chkdq)(cli, uid, gid);
 504         RETURN(rc);
 505 }
 506
 507 static inline int lquota_setdq(quota_interface_t *interface,
 508                                struct client_obd *cli,
 509                                unsigned int uid, unsigned int gid,
 510                                obd_flag valid, obd_flag flags)
 511 {
 512         int rc;
 513         ENTRY;
 514
 515         QUOTA_CHECK_OP(interface, setdq);
 516         rc = QUOTA_OP(interface, setdq)(cli, uid, gid, valid, flags);
 517         RETURN(rc);
 518 }
 519
 520 static inline int lquota_poll_check(quota_interface_t *interface,
 521                                     struct obd_export *exp,
 522                                     struct if_quotacheck *qchk)
 523 {
 524         int rc;
 525         ENTRY;
 526
 527         QUOTA_CHECK_OP(interface, poll_check);
 528         rc = QUOTA_OP(interface, poll_check)(exp, qchk);
 529         RETURN(rc);
 530 }
 531
 532 static inline int lquota_setinfo(quota_interface_t *interface,
 533                                  struct obd_export *exp,
 534                                  struct obd_device *obd)
 535 {
 536         int rc;
 537         ENTRY;
 538
 539         QUOTA_CHECK_OP(interface, setinfo);
 540         rc = QUOTA_OP(interface, setinfo)(exp, obd);
 541         RETURN(rc);
 542 }
 543
 544 static inline int lquota_clearinfo(quota_interface_t *interface,
 545                                    struct obd_export *exp,
 546                                    struct obd_device *obd)
 547 {
 548         int rc;
 549         ENTRY;
 550
 551         QUOTA_CHECK_OP(interface, clearinfo);
 552         rc = QUOTA_OP(interface, clearinfo)(exp, obd);
 553         RETURN(rc);
 554 }
 555
 556 static inline int lquota_enforce(quota_interface_t *interface,
 557                                  struct obd_device *obd,
 558                                  unsigned int ignore)
 559 {
 560         int rc;
 561         ENTRY;
 562
 563         QUOTA_CHECK_OP(interface, enforce);
 564         rc = QUOTA_OP(interface, enforce)(obd, ignore);
 565         RETURN(rc);
 566 }
 567
 568 static inline int lquota_getflag(quota_interface_t *interface,
 569                                  struct obd_device *obd, struct obdo *oa)
 570 {
 571         int rc;
 572         ENTRY;
 573
 574         QUOTA_CHECK_OP(interface, getflag);
 575         rc = QUOTA_OP(interface, getflag)(obd, oa);
 576         RETURN(rc);
 577 }
 578
 579 #ifdef __KERNEL__
 580 static inline int lquota_acquire(quota_interface_t *interface,
 581                                  struct obd_device *obd,
 582                                  unsigned int uid, unsigned int gid,
 583                                  struct obd_trans_info *oti)
 584 {
 585         int rc;
 586         ENTRY;
 587
 588         QUOTA_CHECK_OP(interface, acquire);
 589         rc = QUOTA_OP(interface, acquire)(obd, uid, gid, oti);
 590         RETURN(rc);
 591 }
 592
 593 static inline int lquota_chkquota(quota_interface_t *interface,
 594                                   struct obd_device *obd,
 595                                   unsigned int uid, unsigned int gid, int count,
 596                                   int *flag, struct obd_trans_info *oti,
 597                                   struct inode *inode, int frags)
 598 {
 599         int rc;
 600         ENTRY;
 601
 602         QUOTA_CHECK_OP(interface, chkquota);
 603         QUOTA_CHECK_OP(interface, acquire);
 604         rc = QUOTA_OP(interface, chkquota)(obd, uid, gid, count, flag,
 605                                            QUOTA_OP(interface, acquire), oti,
 606                                            inode, frags);
 607         RETURN(rc);
 608 }
 609
 610 static inline int lquota_pending_commit(quota_interface_t *interface,
 611                                         struct obd_device *obd,
 612                                         unsigned int uid, unsigned int gid,
 613                                         int pending)
 614 {
 615         int rc;
 616         ENTRY;
 617
 618         QUOTA_CHECK_OP(interface, pending_commit);
 619         rc = QUOTA_OP(interface, pending_commit)(obd, uid, gid, pending);
 620         RETURN(rc);
 621 }
 622 #endif
 623
 624 #ifndef __KERNEL__
 625 extern quota_interface_t osc_quota_interface;
 626 extern quota_interface_t mdc_quota_interface;
 627 extern quota_interface_t lov_quota_interface;
 628
 629 #ifndef MAXQUOTAS
 630 #define MAXQUOTAS 2
 631 #endif
 632
 633 #ifndef USRQUOTA
 634 #define USRQUOTA 0
 635 #endif
 636
 637 #ifndef GRPQUOTA
 638 #define GRPQUOTA 1
 639 #endif
 640
 641 #endif
 642
 643 #define LUSTRE_ADMIN_QUOTAFILES_V1 {\
 644         "admin_quotafile.usr",  /* user admin quotafile */\
 645         "admin_quotafile.grp"   /* group admin quotafile */\
 646 }
 647
 648 #define LUSTRE_ADMIN_QUOTAFILES_V2 {\
 649         "admin_quotafile_v2.usr",       /* user admin quotafile */\
 650         "admin_quotafile_v2.grp"        /* group admin quotafile */\
 651 }
 652
 653 #endif /* _LUSTRE_QUOTA_H */