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.
   7  *
   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
  19  * version 2 along with this program; If not, see
  20  * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
  21  *
  22  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
  23  * CA 95054 USA or visit www.sun.com if you need additional information or
  24  * have any questions.
  25  *
  26  * GPL HEADER END
  27  */
  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         __u32                   di_flag;
 154 };
 155 /* set inode quota limitation on a quota uid/gid */
 156 #define QI_SET                (1 << 30)
 157 /* set block quota limitation on a quota uid/gid */
 158 #define QB_SET                (1 << 31)
 159
 160 #define QFILE_CHK               1
 161 #define QFILE_RD_INFO           2
 162 #define QFILE_WR_INFO           3
 163 #define QFILE_INIT_INFO         4
 164 #define QFILE_RD_DQUOT          5
 165 #define QFILE_WR_DQUOT          6
 166 #define QFILE_CONVERT           7
 167
 168 /* admin quotafile operations */
 169 int lustre_check_quota_file(struct lustre_quota_info *lqi, int type);
 170 int lustre_read_quota_info(struct lustre_quota_info *lqi, int type);
 171 int lustre_write_quota_info(struct lustre_quota_info *lqi, int type);
 172 int lustre_read_dquot(struct lustre_dquot *dquot);
 173 int lustre_commit_dquot(struct lustre_dquot *dquot);
 174 int lustre_init_quota_info(struct lustre_quota_info *lqi, int type);
 175 int lustre_get_qids(struct file *file, struct inode *inode, int type,
 176                     struct list_head *list);
 177 int lustre_quota_convert(struct lustre_quota_info *lqi, int type);
 178
 179 #define LL_DQUOT_OFF(sb)    DQUOT_OFF(sb)
 180
 181 typedef int (*dqacq_handler_t) (struct obd_device * obd, struct qunit_data * qd,
 182                                 int opc);
 183
 184 /* user quota is turned on on filter */
 185 #define LQC_USRQUOTA_FLAG (1 << 0)
 186 /* group quota is turned on on filter */
 187 #define LQC_GRPQUOTA_FLAG (1 << 1)
 188
 189 #define UGQUOTA2LQC(id) ((Q_TYPEMATCH(id, USRQUOTA) ? LQC_USRQUOTA_FLAG : 0) | \
 190                          (Q_TYPEMATCH(id, GRPQUOTA) ? LQC_GRPQUOTA_FLAG : 0))
 191
 192 struct lustre_quota_ctxt {
 193         struct super_block *lqc_sb;     /* superblock this applies to */
 194         struct obd_import *lqc_import;  /* import used to send dqacq/dqrel RPC */
 195         dqacq_handler_t lqc_handler;    /* dqacq/dqrel RPC handler, only for quota master */
 196         unsigned long lqc_flags;        /* quota flags */
 197         unsigned long lqc_recovery:1,   /* Doing recovery */
 198                       lqc_switch_qs:1,  /* the function of change qunit size
 199                                          * 0:Off, 1:On */
 200                       lqc_valid:1,      /* this qctxt is valid or not */
 201                       lqc_setup:1;      /* tell whether of not quota_type has
 202                                          * been processed, so that the master
 203                                          * knows when it can start processing
 204                                          * incoming acq/rel quota requests */
 205         unsigned long lqc_iunit_sz;     /* original unit size of file quota and
 206                                          * upper limitation for adjust file
 207                                          * qunit */
 208         unsigned long lqc_itune_sz;     /* Trigger dqacq when available file
 209                                          * quota less than this value, trigger
 210                                          * dqrel when available file quota
 211                                          * more than this value + 1 iunit */
 212         unsigned long lqc_bunit_sz;     /* original unit size of block quota and
 213                                          * upper limitation for adjust block
 214                                          * qunit */
 215         unsigned long lqc_btune_sz;     /* See comment of lqc_itune_sz */
 216         struct lustre_hash *lqc_lqs_hash; /* all lustre_qunit_size structures */
 217
 218         /* the values below are relative to how master change its qunit sizes */
 219         unsigned long lqc_cqs_boundary_factor; /* this affects the boundary of
 220                                                 * shrinking and enlarging qunit
 221                                                 * size. default=4 */
 222         unsigned long lqc_cqs_least_bunit;  /* the least value of block qunit */
 223         unsigned long lqc_cqs_least_iunit;  /* the least value of inode qunit */
 224         unsigned long lqc_cqs_qs_factor;    /* when enlarging, qunit size will
 225                                              * mutilple it; when shrinking,
 226                                              * qunit size will divide it */
 227         int           lqc_switch_seconds;   /* avoid ping-pong effect of
 228                                              * adjusting qunit size. How many
 229                                              * seconds must be waited between
 230                                              * enlarging and shinking qunit */
 231         int           lqc_sync_blk;         /* when blk qunit reaches this value,
 232                                              * later write reqs from client
 233                                              * should be sync b=16642 */
 234         spinlock_t    lqc_lock;             /* guard lqc_imp_valid now */
 235         cfs_waitq_t   lqc_wait_for_qmaster; /* when mds isn't connected, threads
 236                                              * on osts who send the quota reqs
 237                                              * with wait==1 will be put here
 238                                              * b=14840 */
 239         struct proc_dir_entry *lqc_proc_dir;
 240         struct lprocfs_stats  *lqc_stats; /* lquota statistics */
 241
 242         atomic_t      lqc_lqs;              /* the number of used hashed lqs */
 243         cfs_waitq_t   lqc_lqs_waitq;        /* no lqs are in use */
 244 };
 245
 246 #define QUOTA_MASTER_READY(qctxt)   (qctxt)->lqc_setup = 1
 247 #define QUOTA_MASTER_UNREADY(qctxt) (qctxt)->lqc_setup = 0
 248
 249 struct lustre_qunit_size {
 250         struct hlist_node lqs_hash; /* the hash entry */
 251         unsigned int lqs_id;        /* id of user/group */
 252         unsigned long lqs_flags;    /* 31st bit is QB_SET, 30th bit is QI_SET
 253                                      * other bits are same as LQUOTA_FLAGS_* */
 254         unsigned long lqs_iunit_sz; /* Unit size of file quota currently */
 255         unsigned long lqs_itune_sz; /* Trigger dqacq when available file quota
 256                                      * less than this value, trigger dqrel
 257                                      * when more than this value + 1 iunit */
 258         unsigned long lqs_bunit_sz; /* Unit size of block quota currently */
 259         unsigned long lqs_btune_sz; /* See comment of lqs itune sz */
 260         unsigned long lqs_bwrite_pending; /* the blocks reached ost and don't
 261                                            * finish */
 262         unsigned long lqs_iwrite_pending; /* the inodes reached mds and don't
 263                                            * finish */
 264         long long lqs_ino_rec;  /* when inodes are allocated/released,
 265                                  * this value will record it */
 266         long long lqs_blk_rec;  /* when blocks are allocated/released,
 267                                  * this value will record it */
 268         atomic_t lqs_refcount;
 269         cfs_time_t lqs_last_bshrink;   /* time of last block shrink */
 270         cfs_time_t lqs_last_ishrink;   /* time of last inode shrink */
 271         spinlock_t lqs_lock;
 272         unsigned long long lqs_key; /* hash key */
 273         struct lustre_quota_ctxt *lqs_ctxt; /* quota ctxt */
 274 };
 275
 276 #define LQS_IS_GRP(lqs)    ((lqs)->lqs_flags & LQUOTA_FLAGS_GRP)
 277 #define LQS_IS_ADJBLK(lqs) ((lqs)->lqs_flags & LQUOTA_FLAGS_ADJBLK)
 278 #define LQS_IS_ADJINO(lqs) ((lqs)->lqs_flags & LQUOTA_FLAGS_ADJINO)
 279
 280 #define LQS_SET_GRP(lqs)    ((lqs)->lqs_flags |= LQUOTA_FLAGS_GRP)
 281 #define LQS_SET_ADJBLK(lqs) ((lqs)->lqs_flags |= LQUOTA_FLAGS_ADJBLK)
 282 #define LQS_SET_ADJINO(lqs) ((lqs)->lqs_flags |= LQUOTA_FLAGS_ADJINO)
 283
 284 /* In the hash for lustre_qunit_size, the key is decided by
 285  * grp_or_usr and uid/gid, in here, I combine these two values,
 286  * which will make comparing easier and more efficient */
 287 #define LQS_KEY(is_grp, id)  ((is_grp ? 1ULL << 32: 0) + id)
 288 #define LQS_KEY_ID(key)      (key & 0xffffffff)
 289 #define LQS_KEY_GRP(key)     (key >> 32)
 290
 291 static inline void lqs_getref(struct lustre_qunit_size *lqs)
 292 {
 293         if (atomic_inc_return(&lqs->lqs_refcount) == 2) /* quota_create_lqs */
 294                 atomic_inc(&lqs->lqs_ctxt->lqc_lqs);
 295
 296         CDEBUG(D_QUOTA, "lqs=%p refcount %d\n",
 297                lqs, atomic_read(&lqs->lqs_refcount));
 298 }
 299
 300 static inline void lqs_putref(struct lustre_qunit_size *lqs)
 301 {
 302         LASSERT(atomic_read(&lqs->lqs_refcount) > 0);
 303
 304         /* killing last ref, let's let hash table kill it */
 305         if (atomic_read(&lqs->lqs_refcount) == 1) {
 306                 lustre_hash_del(lqs->lqs_ctxt->lqc_lqs_hash,
 307                                 &lqs->lqs_key, &lqs->lqs_hash);
 308                 OBD_FREE_PTR(lqs);
 309         } else {
 310                 if (atomic_dec_return(&lqs->lqs_refcount) == 1)
 311                         if (atomic_dec_and_test(&lqs->lqs_ctxt->lqc_lqs))
 312                                 cfs_waitq_signal(&lqs->lqs_ctxt->lqc_lqs_waitq);
 313                 CDEBUG(D_QUOTA, "lqs=%p refcount %d\n",
 314                        lqs, atomic_read(&lqs->lqs_refcount));
 315
 316         }
 317 }
 318
 319 static inline void lqs_initref(struct lustre_qunit_size *lqs)
 320 {
 321         atomic_set(&lqs->lqs_refcount, 0);
 322 }
 323
 324 #else
 325
 326 struct lustre_quota_info {
 327 };
 328
 329 struct lustre_quota_ctxt {
 330 };
 331
 332 #endif  /* !__KERNEL__ */
 333
 334 #else
 335
 336 #define LL_DQUOT_OFF(sb) do {} while(0)
 337
 338 struct lustre_quota_info {
 339 };
 340
 341 struct lustre_quota_ctxt {
 342 };
 343
 344 #define QUOTA_MASTER_READY(qctxt)
 345 #define QUOTA_MASTER_UNREADY(qctxt)
 346
 347 #endif /* !HAVE_QUOTA_SUPPORT */
 348
 349 /* If the (quota limit < qunit * slave count), the slave which can't
 350  * acquire qunit should set it's local limit as MIN_QLIMIT */
 351 #define MIN_QLIMIT      1
 352
 353 struct quotacheck_thread_args {
 354         struct obd_export   *qta_exp;   /* obd export */
 355         struct obd_quotactl  qta_oqctl; /* obd_quotactl args */
 356         struct super_block  *qta_sb;    /* obd super block */
 357         atomic_t            *qta_sem;   /* obt_quotachecking */
 358 };
 359
 360 struct obd_trans_info;
 361 typedef int (*quota_acquire)(struct obd_device *obd, unsigned int uid,
 362                              unsigned int gid, struct obd_trans_info *oti);
 363
 364 typedef struct {
 365         int (*quota_init) (void);
 366         int (*quota_exit) (void);
 367         int (*quota_setup) (struct obd_device *);
 368         int (*quota_cleanup) (struct obd_device *);
 369         /* For quota master, close admin quota files */
 370         int (*quota_fs_cleanup) (struct obd_device *);
 371         int (*quota_ctl) (struct obd_export *, struct obd_quotactl *);
 372         int (*quota_check) (struct obd_export *, struct obd_quotactl *);
 373         int (*quota_recovery) (struct obd_device *);
 374
 375         /* For quota master/slave, adjust quota limit after fs operation */
 376         int (*quota_adjust) (struct obd_device *, unsigned int[],
 377                              unsigned int[], int, int);
 378
 379         /* For quota slave, set import, trigger quota recovery */
 380         int (*quota_setinfo) (struct obd_export *, struct obd_device *);
 381
 382         /* For quota slave, clear import when relative import is invalid */
 383         int (*quota_clearinfo) (struct obd_export *, struct obd_device *);
 384
 385         /* For quota slave, set proper thread resoure capability */
 386         int (*quota_enforce) (struct obd_device *, unsigned int);
 387
 388         /* For quota slave, check whether specified uid/gid is over quota */
 389         int (*quota_getflag) (struct obd_device *, struct obdo *);
 390 #ifdef __KERNEL__
 391         /* For quota slave, acquire/release quota from master if needed */
 392         int (*quota_acquire) (struct obd_device *, unsigned int, unsigned int,
 393                               struct obd_trans_info *);
 394
 395         /* For quota slave, check whether specified uid/gid's remaining quota
 396          * can finish a block_write or inode_create rpc. It updates the pending
 397          * record of block and inode, acquires quota if necessary */
 398         int (*quota_chkquota) (struct obd_device *, unsigned int, unsigned int,
 399                                int, int *, quota_acquire,
 400                                struct obd_trans_info *, struct inode *, int);
 401
 402         /* For quota client, the actions after the pending write is committed */
 403         int (*quota_pending_commit) (struct obd_device *, unsigned int,
 404                                      unsigned int, int);
 405 #endif
 406         /* For quota client, poll if the quota check done */
 407         int (*quota_poll_check) (struct obd_export *, struct if_quotacheck *);
 408
 409         /* For quota client, check whether specified uid/gid is over quota */
 410         int (*quota_chkdq) (struct client_obd *, unsigned int, unsigned int);
 411
 412         /* For quota client, set over quota flag for specifed uid/gid */
 413         int (*quota_setdq) (struct client_obd *, unsigned int, unsigned int,
 414                             obd_flag, obd_flag);
 415
 416         /* For adjusting qunit size b=10600 */
 417         int (*quota_adjust_qunit) (struct obd_export *exp,
 418                                    struct quota_adjust_qunit *oqaq,
 419                                    struct lustre_quota_ctxt *qctxt);
 420
 421 } quota_interface_t;
 422
 423 #define Q_COPY(out, in, member) (out)->member = (in)->member
 424
 425 #define QUOTA_OP(interface, op) interface->quota_ ## op
 426
 427 #define QUOTA_CHECK_OP(interface, op)                           \
 428 do {                                                            \
 429         if (!interface)                                         \
 430                 RETURN(0);                                      \
 431         if (!QUOTA_OP(interface, op)) {                         \
 432                 CERROR("no quota operation: " #op "\n");        \
 433                 RETURN(-EOPNOTSUPP);                            \
 434         }                                                       \
 435 } while(0)
 436
 437 static inline int lquota_init(quota_interface_t *interface)
 438 {
 439         int rc;
 440         ENTRY;
 441
 442         QUOTA_CHECK_OP(interface, init);
 443         rc = QUOTA_OP(interface, init)();
 444         RETURN(rc);
 445 }
 446
 447 static inline int lquota_exit(quota_interface_t *interface)
 448 {
 449         int rc;
 450         ENTRY;
 451
 452         QUOTA_CHECK_OP(interface, exit);
 453         rc = QUOTA_OP(interface, exit)();
 454         RETURN(rc);
 455 }
 456
 457 static inline int lquota_setup(quota_interface_t *interface,
 458                                struct obd_device *obd)
 459 {
 460         int rc;
 461         ENTRY;
 462
 463         QUOTA_CHECK_OP(interface, setup);
 464         rc = QUOTA_OP(interface, setup)(obd);
 465         RETURN(rc);
 466 }
 467
 468 static inline int lquota_cleanup(quota_interface_t *interface,
 469                                  struct obd_device *obd)
 470 {
 471         int rc;
 472         ENTRY;
 473
 474         QUOTA_CHECK_OP(interface, cleanup);
 475         rc = QUOTA_OP(interface, cleanup)(obd);
 476         RETURN(rc);
 477 }
 478
 479 static inline int lquota_fs_cleanup(quota_interface_t *interface,
 480                                     struct obd_device *obd)
 481 {
 482         int rc;
 483         ENTRY;
 484
 485         QUOTA_CHECK_OP(interface, fs_cleanup);
 486         rc = QUOTA_OP(interface, fs_cleanup)(obd);
 487         RETURN(rc);
 488 }
 489
 490 static inline int lquota_recovery(quota_interface_t *interface,
 491                                   struct obd_device *obd)
 492 {
 493         int rc;
 494         ENTRY;
 495
 496         QUOTA_CHECK_OP(interface, recovery);
 497         rc = QUOTA_OP(interface, recovery)(obd);
 498         RETURN(rc);
 499 }
 500
 501 static inline int lquota_adjust(quota_interface_t *interface,
 502                                 struct obd_device *obd,
 503                                 unsigned int qcids[],
 504                                 unsigned int qpids[],
 505                                 int rc, int opc)
 506 {
 507         int ret;
 508         ENTRY;
 509
 510         QUOTA_CHECK_OP(interface, adjust);
 511         ret = QUOTA_OP(interface, adjust)(obd, qcids, qpids, rc, opc);
 512         RETURN(ret);
 513 }
 514
 515 static inline int lquota_chkdq(quota_interface_t *interface,
 516                                struct client_obd *cli,
 517                                unsigned int uid, unsigned int gid)
 518 {
 519         int rc;
 520         ENTRY;
 521
 522         QUOTA_CHECK_OP(interface, chkdq);
 523         rc = QUOTA_OP(interface, chkdq)(cli, uid, gid);
 524         RETURN(rc);
 525 }
 526
 527 static inline int lquota_setdq(quota_interface_t *interface,
 528                                struct client_obd *cli,
 529                                unsigned int uid, unsigned int gid,
 530                                obd_flag valid, obd_flag flags)
 531 {
 532         int rc;
 533         ENTRY;
 534
 535         QUOTA_CHECK_OP(interface, setdq);
 536         rc = QUOTA_OP(interface, setdq)(cli, uid, gid, valid, flags);
 537         RETURN(rc);
 538 }
 539
 540 static inline int lquota_poll_check(quota_interface_t *interface,
 541                                     struct obd_export *exp,
 542                                     struct if_quotacheck *qchk)
 543 {
 544         int rc;
 545         ENTRY;
 546
 547         QUOTA_CHECK_OP(interface, poll_check);
 548         rc = QUOTA_OP(interface, poll_check)(exp, qchk);
 549         RETURN(rc);
 550 }
 551
 552 static inline int lquota_setinfo(quota_interface_t *interface,
 553                                  struct obd_export *exp,
 554                                  struct obd_device *obd)
 555 {
 556         int rc;
 557         ENTRY;
 558
 559         QUOTA_CHECK_OP(interface, setinfo);
 560         rc = QUOTA_OP(interface, setinfo)(exp, obd);
 561         RETURN(rc);
 562 }
 563
 564 static inline int lquota_clearinfo(quota_interface_t *interface,
 565                                    struct obd_export *exp,
 566                                    struct obd_device *obd)
 567 {
 568         int rc;
 569         ENTRY;
 570
 571         QUOTA_CHECK_OP(interface, clearinfo);
 572         rc = QUOTA_OP(interface, clearinfo)(exp, obd);
 573         RETURN(rc);
 574 }
 575
 576 static inline int lquota_enforce(quota_interface_t *interface,
 577                                  struct obd_device *obd,
 578                                  unsigned int ignore)
 579 {
 580         int rc;
 581         ENTRY;
 582
 583         QUOTA_CHECK_OP(interface, enforce);
 584         rc = QUOTA_OP(interface, enforce)(obd, ignore);
 585         RETURN(rc);
 586 }
 587
 588 static inline int lquota_getflag(quota_interface_t *interface,
 589                                  struct obd_device *obd, struct obdo *oa)
 590 {
 591         int rc;
 592         ENTRY;
 593
 594         QUOTA_CHECK_OP(interface, getflag);
 595         rc = QUOTA_OP(interface, getflag)(obd, oa);
 596         RETURN(rc);
 597 }
 598
 599 #ifdef __KERNEL__
 600 static inline int lquota_acquire(quota_interface_t *interface,
 601                                  struct obd_device *obd,
 602                                  unsigned int uid, unsigned int gid,
 603                                  struct obd_trans_info *oti)
 604 {
 605         int rc;
 606         ENTRY;
 607
 608         QUOTA_CHECK_OP(interface, acquire);
 609         rc = QUOTA_OP(interface, acquire)(obd, uid, gid, oti);
 610         RETURN(rc);
 611 }
 612
 613 static inline int lquota_chkquota(quota_interface_t *interface,
 614                                   struct obd_device *obd,
 615                                   unsigned int uid, unsigned int gid, int count,
 616                                   int *flag, struct obd_trans_info *oti,
 617                                   struct inode *inode, int frags)
 618 {
 619         int rc;
 620         ENTRY;
 621
 622         QUOTA_CHECK_OP(interface, chkquota);
 623         QUOTA_CHECK_OP(interface, acquire);
 624         rc = QUOTA_OP(interface, chkquota)(obd, uid, gid, count, flag,
 625                                            QUOTA_OP(interface, acquire), oti,
 626                                            inode, frags);
 627         RETURN(rc);
 628 }
 629
 630 static inline int lquota_pending_commit(quota_interface_t *interface,
 631                                         struct obd_device *obd,
 632                                         unsigned int uid, unsigned int gid,
 633                                         int pending)
 634 {
 635         int rc;
 636         ENTRY;
 637
 638         QUOTA_CHECK_OP(interface, pending_commit);
 639         rc = QUOTA_OP(interface, pending_commit)(obd, uid, gid, pending);
 640         RETURN(rc);
 641 }
 642 #endif
 643
 644 #ifndef __KERNEL__
 645 extern quota_interface_t osc_quota_interface;
 646 extern quota_interface_t mdc_quota_interface;
 647 extern quota_interface_t lov_quota_interface;
 648
 649 #ifndef MAXQUOTAS
 650 #define MAXQUOTAS 2
 651 #endif
 652
 653 #ifndef USRQUOTA
 654 #define USRQUOTA 0
 655 #endif
 656
 657 #ifndef GRPQUOTA
 658 #define GRPQUOTA 1
 659 #endif
 660
 661 #endif
 662
 663 #define LUSTRE_ADMIN_QUOTAFILES_V1 {\
 664         "admin_quotafile.usr",  /* user admin quotafile */\
 665         "admin_quotafile.grp"   /* group admin quotafile */\
 666 }
 667
 668 #define LUSTRE_ADMIN_QUOTAFILES_V2 {\
 669         "admin_quotafile_v2.usr",       /* user admin quotafile */\
 670         "admin_quotafile_v2.grp"        /* group admin quotafile */\
 671 }
 672
 673 #endif /* _LUSTRE_QUOTA_H */