granicus.if.org Git - strace/blob - quota.c

   1 /*
   2  * Copyright (c) 1991, 1992 Paul Kranenburg <pk@cs.few.eur.nl>
   3  * Copyright (c) 1993 Branko Lankester <branko@hacktic.nl>
   4  * Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <jrs@world.std.com>
   5  * Copyright (c) 1996-1999 Wichert Akkerman <wichert@cistron.nl>
   6  * Copyright (c) 2005-2016 Dmitry V. Levin <ldv@altlinux.org>
   7  * All rights reserved.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted provided that the following conditions
  11  * are met:
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the above copyright
  15  *    notice, this list of conditions and the following disclaimer in the
  16  *    documentation and/or other materials provided with the distribution.
  17  * 3. The name of the author may not be used to endorse or promote products
  18  *    derived from this software without specific prior written permission.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  21  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  22  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  23  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  24  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  25  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  29  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 #include "defs.h"
  33
  34 #define SUBCMDMASK  0x00ff
  35 #define SUBCMDSHIFT 8
  36 #define QCMD_CMD(cmd)   ((uint32_t)(cmd) >> SUBCMDSHIFT)
  37 #define QCMD_TYPE(cmd)  ((uint32_t)(cmd) & SUBCMDMASK)
  38
  39 #define OLD_CMD(cmd)    ((uint32_t)(cmd) << SUBCMDSHIFT)
  40 #define NEW_CMD(cmd)    ((uint32_t)(cmd) | 0x800000)
  41 #define XQM_CMD(cmd)    ((uint32_t)(cmd) | ('X' << SUBCMDSHIFT))
  42
  43 #include "xlat/quotacmds.h"
  44 #include "xlat/quotatypes.h"
  45 #include "xlat/quota_formats.h"
  46 #include "xlat/xfs_quota_flags.h"
  47 #include "xlat/xfs_dqblk_flags.h"
  48 #include "xlat/if_dqblk_valid.h"
  49 #include "xlat/if_dqinfo_flags.h"
  50 #include "xlat/if_dqinfo_valid.h"
  51
  52 struct if_dqblk
  53 {
  54         uint64_t dqb_bhardlimit;
  55         uint64_t dqb_bsoftlimit;
  56         uint64_t dqb_curspace;
  57         uint64_t dqb_ihardlimit;
  58         uint64_t dqb_isoftlimit;
  59         uint64_t dqb_curinodes;
  60         uint64_t dqb_btime;
  61         uint64_t dqb_itime;
  62         uint32_t dqb_valid;
  63 };
  64
  65 struct if_nextdqblk {
  66         uint64_t dqb_bhardlimit;
  67         uint64_t dqb_bsoftlimit;
  68         uint64_t dqb_curspace;
  69         uint64_t dqb_ihardlimit;
  70         uint64_t dqb_isoftlimit;
  71         uint64_t dqb_curinodes;
  72         uint64_t dqb_btime;
  73         uint64_t dqb_itime;
  74         uint32_t dqb_valid;
  75         uint32_t dqb_id;
  76 };
  77
  78 struct v1_dqblk
  79 {
  80         uint32_t dqb_bhardlimit;        /* absolute limit on disk blks alloc */
  81         uint32_t dqb_bsoftlimit;        /* preferred limit on disk blks */
  82         uint32_t dqb_curblocks;         /* current block count */
  83         uint32_t dqb_ihardlimit;        /* maximum # allocated inodes */
  84         uint32_t dqb_isoftlimit;        /* preferred inode limit */
  85         uint32_t dqb_curinodes;         /* current # allocated inodes */
  86         time_t  dqb_btime;              /* time limit for excessive disk use */
  87         time_t  dqb_itime;              /* time limit for excessive files */
  88 };
  89
  90 struct v2_dqblk
  91 {
  92         unsigned int dqb_ihardlimit;
  93         unsigned int dqb_isoftlimit;
  94         unsigned int dqb_curinodes;
  95         unsigned int dqb_bhardlimit;
  96         unsigned int dqb_bsoftlimit;
  97         uint64_t dqb_curspace;
  98         time_t  dqb_btime;
  99         time_t  dqb_itime;
 100 };
 101
 102 struct xfs_dqblk
 103 {
 104         int8_t  d_version;              /* version of this structure */
 105         int8_t  d_flags;                /* XFS_{USER,PROJ,GROUP}_QUOTA */
 106         uint16_t d_fieldmask;           /* field specifier */
 107         uint32_t d_id;                  /* user, project, or group ID */
 108         uint64_t d_blk_hardlimit;       /* absolute limit on disk blks */
 109         uint64_t d_blk_softlimit;       /* preferred limit on disk blks */
 110         uint64_t d_ino_hardlimit;       /* maximum # allocated inodes */
 111         uint64_t d_ino_softlimit;       /* preferred inode limit */
 112         uint64_t d_bcount;              /* # disk blocks owned by the user */
 113         uint64_t d_icount;              /* # inodes owned by the user */
 114         int32_t d_itimer;               /* zero if within inode limits */
 115         int32_t d_btimer;               /* similar to above; for disk blocks */
 116         uint16_t d_iwarns;              /* # warnings issued wrt num inodes */
 117         uint16_t d_bwarns;              /* # warnings issued wrt disk blocks */
 118         int32_t d_padding2;             /* padding2 - for future use */
 119         uint64_t d_rtb_hardlimit;       /* absolute limit on realtime blks */
 120         uint64_t d_rtb_softlimit;       /* preferred limit on RT disk blks */
 121         uint64_t d_rtbcount;            /* # realtime blocks owned */
 122         int32_t d_rtbtimer;             /* similar to above; for RT disk blks */
 123         uint16_t d_rtbwarns;            /* # warnings issued wrt RT disk blks */
 124         int16_t d_padding3;             /* padding3 - for future use */
 125         char    d_padding4[8];          /* yet more padding */
 126 };
 127
 128 struct if_dqinfo
 129 {
 130         uint64_t dqi_bgrace;
 131         uint64_t dqi_igrace;
 132         uint32_t dqi_flags;
 133         uint32_t dqi_valid;
 134 };
 135
 136 struct v2_dqinfo
 137 {
 138         unsigned int dqi_bgrace;
 139         unsigned int dqi_igrace;
 140         unsigned int dqi_flags;
 141         unsigned int dqi_blocks;
 142         unsigned int dqi_free_blk;
 143         unsigned int dqi_free_entry;
 144 };
 145
 146 struct v1_dqstats
 147 {
 148         uint32_t lookups;
 149         uint32_t drops;
 150         uint32_t reads;
 151         uint32_t writes;
 152         uint32_t cache_hits;
 153         uint32_t allocated_dquots;
 154         uint32_t free_dquots;
 155         uint32_t syncs;
 156 };
 157
 158 struct v2_dqstats
 159 {
 160         uint32_t lookups;
 161         uint32_t drops;
 162         uint32_t reads;
 163         uint32_t writes;
 164         uint32_t cache_hits;
 165         uint32_t allocated_dquots;
 166         uint32_t free_dquots;
 167         uint32_t syncs;
 168         uint32_t version;
 169 };
 170
 171 typedef struct fs_qfilestat
 172 {
 173         uint64_t qfs_ino;       /* inode number */
 174         uint64_t qfs_nblks;     /* number of BBs 512-byte-blks */
 175         uint32_t qfs_nextents;  /* number of extents */
 176 } fs_qfilestat_t;
 177
 178 struct xfs_dqstats
 179 {
 180         int8_t  qs_version;             /* version number for future changes */
 181         uint16_t qs_flags;              /* XFS_QUOTA_{U,P,G}DQ_{ACCT,ENFD} */
 182         int8_t  qs_pad;                 /* unused */
 183         fs_qfilestat_t qs_uquota;       /* user quota storage information */
 184         fs_qfilestat_t qs_gquota;       /* group quota storage information */
 185         uint32_t qs_incoredqs;          /* number of dquots incore */
 186         int32_t qs_btimelimit;          /* limit for blks timer */
 187         int32_t qs_itimelimit;          /* limit for inodes timer */
 188         int32_t qs_rtbtimelimit;        /* limit for rt blks timer */
 189         uint16_t qs_bwarnlimit;         /* limit for num warnings */
 190         uint16_t qs_iwarnlimit;         /* limit for num warnings */
 191 };
 192
 193 struct fs_qfilestatv {
 194         uint64_t qfs_ino, qfs_nblks;
 195         uint32_t qfs_nextents, qfs_pad;
 196 };
 197
 198 struct fs_quota_statv {
 199         int8_t qs_version;
 200         uint8_t qs_pad1;
 201         uint16_t qs_flags;
 202         uint32_t qs_incoredqs;
 203         struct fs_qfilestatv qs_uquota;
 204         struct fs_qfilestatv qs_gquota;
 205         struct fs_qfilestatv qs_pquota;
 206         int32_t qs_btimelimit;
 207         int32_t qs_itimelimit;
 208         int32_t qs_rtbtimelimit;
 209         uint16_t qs_bwarnlimit;
 210         uint16_t qs_iwarnlimit;
 211         uint64_t qs_pad2[8];
 212 };
 213
 214 static int
 215 decode_cmd_data(struct tcb *tcp, uint32_t cmd, unsigned long data)
 216 {
 217         switch (cmd) {
 218                 case Q_GETQUOTA:
 219                         if (entering(tcp))
 220                                 return 0;
 221                 case Q_SETQUOTA:
 222                 {
 223                         struct if_dqblk dq;
 224
 225                         if (umove_or_printaddr(tcp, data, &dq))
 226                                 break;
 227                         tprintf("{bhardlimit=%" PRIu64 ", ", dq.dqb_bhardlimit);
 228                         tprintf("bsoftlimit=%" PRIu64 ", ", dq.dqb_bsoftlimit);
 229                         tprintf("curspace=%" PRIu64 ", ", dq.dqb_curspace);
 230                         tprintf("ihardlimit=%" PRIu64 ", ", dq.dqb_ihardlimit);
 231                         tprintf("isoftlimit=%" PRIu64 ", ", dq.dqb_isoftlimit);
 232                         tprintf("curinodes=%" PRIu64 ", ", dq.dqb_curinodes);
 233                         if (!abbrev(tcp)) {
 234                                 tprintf("btime=%" PRIu64 ", ", dq.dqb_btime);
 235                                 tprintf("itime=%" PRIu64 ", ", dq.dqb_itime);
 236                                 tprints("valid=");
 237                                 printflags(if_dqblk_valid,
 238                                            dq.dqb_valid, "QIF_???");
 239                                 tprints("}");
 240                         } else
 241                                 tprints("...}");
 242                         break;
 243                 }
 244                 case Q_GETNEXTQUOTA:
 245                 {
 246                         struct if_nextdqblk dq;
 247
 248                         if (entering(tcp))
 249                                 return 0;
 250                         if (umove_or_printaddr(tcp, data, &dq))
 251                                 break;
 252                         tprintf("{bhardlimit=%" PRIu64 ", ", dq.dqb_bhardlimit);
 253                         tprintf("bsoftlimit=%" PRIu64 ", ", dq.dqb_bsoftlimit);
 254                         tprintf("curspace=%" PRIu64 ", ", dq.dqb_curspace);
 255                         tprintf("ihardlimit=%" PRIu64 ", ", dq.dqb_ihardlimit);
 256                         tprintf("isoftlimit=%" PRIu64 ", ", dq.dqb_isoftlimit);
 257                         tprintf("curinodes=%" PRIu64 ", ", dq.dqb_curinodes);
 258                         if (!abbrev(tcp)) {
 259                                 tprintf("btime=%" PRIu64 ", ", dq.dqb_btime);
 260                                 tprintf("itime=%" PRIu64 ", ", dq.dqb_itime);
 261                                 tprints("valid=");
 262                                 printflags(if_dqblk_valid,
 263                                            dq.dqb_valid, "QIF_???");
 264                                 tprintf(", id=%u}", dq.dqb_id);
 265                         } else
 266                                 tprintf("id=%u, ...}", dq.dqb_id);
 267                         break;
 268                 }
 269                 case Q_V1_GETQUOTA:
 270                         if (entering(tcp))
 271                                 return 0;
 272                 case Q_V1_SETQUOTA:
 273                 {
 274                         struct v1_dqblk dq;
 275
 276                         if (umove_or_printaddr(tcp, data, &dq))
 277                                 break;
 278                         tprintf("{bhardlimit=%u, ", dq.dqb_bhardlimit);
 279                         tprintf("bsoftlimit=%u, ", dq.dqb_bsoftlimit);
 280                         tprintf("curblocks=%u, ", dq.dqb_curblocks);
 281                         tprintf("ihardlimit=%u, ", dq.dqb_ihardlimit);
 282                         tprintf("isoftlimit=%u, ", dq.dqb_isoftlimit);
 283                         tprintf("curinodes=%u, ", dq.dqb_curinodes);
 284                         tprintf("btime=%lu, ", (long) dq.dqb_btime);
 285                         tprintf("itime=%lu}", (long) dq.dqb_itime);
 286                         break;
 287                 }
 288                 case Q_V2_GETQUOTA:
 289                         if (entering(tcp))
 290                                 return 0;
 291                 case Q_V2_SETQUOTA:
 292                 {
 293                         struct v2_dqblk dq;
 294
 295                         if (umove_or_printaddr(tcp, data, &dq))
 296                                 break;
 297                         tprintf("{ihardlimit=%u, ", dq.dqb_ihardlimit);
 298                         tprintf("isoftlimit=%u, ", dq.dqb_isoftlimit);
 299                         tprintf("curinodes=%u, ", dq.dqb_curinodes);
 300                         tprintf("bhardlimit=%u, ", dq.dqb_bhardlimit);
 301                         tprintf("bsoftlimit=%u, ", dq.dqb_bsoftlimit);
 302                         tprintf("curspace=%" PRIu64 ", ", dq.dqb_curspace);
 303                         tprintf("btime=%lu, ", (long) dq.dqb_btime);
 304                         tprintf("itime=%lu}", (long) dq.dqb_itime);
 305                         break;
 306                 }
 307                 case Q_XGETQUOTA:
 308                 case Q_XGETNEXTQUOTA:
 309                         if (entering(tcp))
 310                                 return 0;
 311                 case Q_XSETQLIM:
 312                 {
 313                         struct xfs_dqblk dq;
 314
 315                         if (umove_or_printaddr(tcp, data, &dq))
 316                                 break;
 317                         tprintf("{version=%d, ", dq.d_version);
 318                         tprints("flags=");
 319                         printflags(xfs_dqblk_flags,
 320                                    (uint8_t) dq.d_flags, "XFS_???_QUOTA");
 321                         tprintf(", fieldmask=%#x, ", dq.d_fieldmask);
 322                         tprintf("id=%u, ", dq.d_id);
 323                         tprintf("blk_hardlimit=%" PRIu64 ", ", dq.d_blk_hardlimit);
 324                         tprintf("blk_softlimit=%" PRIu64 ", ", dq.d_blk_softlimit);
 325                         tprintf("ino_hardlimit=%" PRIu64 ", ", dq.d_ino_hardlimit);
 326                         tprintf("ino_softlimit=%" PRIu64 ", ", dq.d_ino_softlimit);
 327                         tprintf("bcount=%" PRIu64 ", ", dq.d_bcount);
 328                         tprintf("icount=%" PRIu64 ", ", dq.d_icount);
 329                         if (!abbrev(tcp)) {
 330                                 tprintf("itimer=%d, ", dq.d_itimer);
 331                                 tprintf("btimer=%d, ", dq.d_btimer);
 332                                 tprintf("iwarns=%u, ", dq.d_iwarns);
 333                                 tprintf("bwarns=%u, ", dq.d_bwarns);
 334                                 tprintf("rtbcount=%" PRIu64 ", ", dq.d_rtbcount);
 335                                 tprintf("rtbtimer=%d, ", dq.d_rtbtimer);
 336                                 tprintf("rtbwarns=%u}", dq.d_rtbwarns);
 337                         } else
 338                                 tprints("...}");
 339                         break;
 340                 }
 341                 case Q_GETFMT:
 342                 {
 343                         uint32_t fmt;
 344
 345                         if (entering(tcp))
 346                                 return 0;
 347                         if (umove_or_printaddr(tcp, data, &fmt))
 348                                 break;
 349                         tprints("[");
 350                         printxval(quota_formats, fmt, "QFMT_VFS_???");
 351                         tprints("]");
 352                         break;
 353                 }
 354                 case Q_GETINFO:
 355                         if (entering(tcp))
 356                                 return 0;
 357                 case Q_SETINFO:
 358                 {
 359                         struct if_dqinfo dq;
 360
 361                         if (umove_or_printaddr(tcp, data, &dq))
 362                                 break;
 363                         tprintf("{bgrace=%" PRIu64 ", ", dq.dqi_bgrace);
 364                         tprintf("igrace=%" PRIu64 ", ", dq.dqi_igrace);
 365                         tprints("flags=");
 366                         printflags(if_dqinfo_flags, dq.dqi_flags, "DQF_???");
 367                         tprints(", valid=");
 368                         printflags(if_dqinfo_valid, dq.dqi_valid, "IIF_???");
 369                         tprints("}");
 370                         break;
 371                 }
 372                 case Q_V2_GETINFO:
 373                         if (entering(tcp))
 374                                 return 0;
 375                 case Q_V2_SETINFO:
 376                 {
 377                         struct v2_dqinfo dq;
 378
 379                         if (umove_or_printaddr(tcp, data, &dq))
 380                                 break;
 381                         tprintf("{bgrace=%u, ", dq.dqi_bgrace);
 382                         tprintf("igrace=%u, ", dq.dqi_igrace);
 383                         tprints("flags=");
 384                         printflags(if_dqinfo_flags, dq.dqi_flags, "DQF_???");
 385                         tprintf(", blocks=%u, ", dq.dqi_blocks);
 386                         tprintf("free_blk=%u, ", dq.dqi_free_blk);
 387                         tprintf("free_entry=%u}", dq.dqi_free_entry);
 388                         break;
 389                 }
 390                 case Q_V1_GETSTATS:
 391                 {
 392                         struct v1_dqstats dq;
 393
 394                         if (entering(tcp))
 395                                 return 0;
 396                         if (umove_or_printaddr(tcp, data, &dq))
 397                                 break;
 398                         tprintf("{lookups=%u, ", dq.lookups);
 399                         tprintf("drops=%u, ", dq.drops);
 400                         tprintf("reads=%u, ", dq.reads);
 401                         tprintf("writes=%u, ", dq.writes);
 402                         tprintf("cache_hits=%u, ", dq.cache_hits);
 403                         tprintf("allocated_dquots=%u, ", dq.allocated_dquots);
 404                         tprintf("free_dquots=%u, ", dq.free_dquots);
 405                         tprintf("syncs=%u}", dq.syncs);
 406                         break;
 407                 }
 408                 case Q_V2_GETSTATS:
 409                 {
 410                         struct v2_dqstats dq;
 411
 412                         if (entering(tcp))
 413                                 return 0;
 414                         if (umove_or_printaddr(tcp, data, &dq))
 415                                 break;
 416                         tprintf("{lookups=%u, ", dq.lookups);
 417                         tprintf("drops=%u, ", dq.drops);
 418                         tprintf("reads=%u, ", dq.reads);
 419                         tprintf("writes=%u, ", dq.writes);
 420                         tprintf("cache_hits=%u, ", dq.cache_hits);
 421                         tprintf("allocated_dquots=%u, ", dq.allocated_dquots);
 422                         tprintf("free_dquots=%u, ", dq.free_dquots);
 423                         tprintf("syncs=%u, ", dq.syncs);
 424                         tprintf("version=%u}", dq.version);
 425                         break;
 426                 }
 427                 case Q_XGETQSTAT:
 428                 {
 429                         struct xfs_dqstats dq;
 430
 431                         if (entering(tcp))
 432                                 return 0;
 433                         if (umove_or_printaddr(tcp, data, &dq))
 434                                 break;
 435                         tprintf("{version=%d, ", dq.qs_version);
 436                         if (abbrev(tcp)) {
 437                                 tprints("...}");
 438                                 break;
 439                         }
 440                         tprints("flags=");
 441                         printflags(xfs_quota_flags,
 442                                    dq.qs_flags, "XFS_QUOTA_???");
 443                         tprintf(", incoredqs=%u, ", dq.qs_incoredqs);
 444                         tprintf("u_ino=%" PRIu64 ", ", dq.qs_uquota.qfs_ino);
 445                         tprintf("u_nblks=%" PRIu64 ", ", dq.qs_uquota.qfs_nblks);
 446                         tprintf("u_nextents=%u, ", dq.qs_uquota.qfs_nextents);
 447                         tprintf("g_ino=%" PRIu64 ", ", dq.qs_gquota.qfs_ino);
 448                         tprintf("g_nblks=%" PRIu64 ", ", dq.qs_gquota.qfs_nblks);
 449                         tprintf("g_nextents=%u, ", dq.qs_gquota.qfs_nextents);
 450                         tprintf("btimelimit=%d, ", dq.qs_btimelimit);
 451                         tprintf("itimelimit=%d, ", dq.qs_itimelimit);
 452                         tprintf("rtbtimelimit=%d, ", dq.qs_rtbtimelimit);
 453                         tprintf("bwarnlimit=%u, ", dq.qs_bwarnlimit);
 454                         tprintf("iwarnlimit=%u}", dq.qs_iwarnlimit);
 455                         break;
 456                 }
 457                 case Q_XGETQSTATV:
 458                 {
 459                         struct fs_quota_statv dq;
 460
 461                         if (entering(tcp))
 462                                 return 0;
 463                         if (umove_or_printaddr(tcp, data, &dq))
 464                                 break;
 465                         tprintf("{version=%d, ", dq.qs_version);
 466                         if (abbrev(tcp)) {
 467                                 tprints("...}");
 468                                 break;
 469                         }
 470                         tprints("flags=");
 471                         printflags(xfs_quota_flags,
 472                                    dq.qs_flags, "XFS_QUOTA_???");
 473                         tprintf(", incoredqs=%u, ", dq.qs_incoredqs);
 474                         tprintf("u_ino=%" PRIu64 ", ", dq.qs_uquota.qfs_ino);
 475                         tprintf("u_nblks=%" PRIu64 ", ", dq.qs_uquota.qfs_nblks);
 476                         tprintf("u_nextents=%u, ", dq.qs_uquota.qfs_nextents);
 477                         tprintf("g_ino=%" PRIu64 ", ", dq.qs_gquota.qfs_ino);
 478                         tprintf("g_nblks=%" PRIu64 ", ", dq.qs_gquota.qfs_nblks);
 479                         tprintf("g_nextents=%u, ", dq.qs_gquota.qfs_nextents);
 480                         tprintf("p_ino=%" PRIu64 ", ", dq.qs_pquota.qfs_ino);
 481                         tprintf("p_nblks=%" PRIu64 ", ", dq.qs_pquota.qfs_nblks);
 482                         tprintf("p_nextents=%u, ", dq.qs_pquota.qfs_nextents);
 483                         tprintf("btimelimit=%d, ", dq.qs_btimelimit);
 484                         tprintf("itimelimit=%d, ", dq.qs_itimelimit);
 485                         tprintf("rtbtimelimit=%d, ", dq.qs_rtbtimelimit);
 486                         tprintf("bwarnlimit=%u, ", dq.qs_bwarnlimit);
 487                         tprintf("iwarnlimit=%u}", dq.qs_iwarnlimit);
 488                         break;
 489                 }
 490                 case Q_XQUOTAON:
 491                 case Q_XQUOTAOFF:
 492                 {
 493                         uint32_t flag;
 494
 495                         if (umove_or_printaddr(tcp, data, &flag))
 496                                 break;
 497                         tprints("[");
 498                         printflags(xfs_quota_flags, flag, "XFS_QUOTA_???");
 499                         tprints("]");
 500                         break;
 501                 }
 502                 default:
 503                         printaddr(data);
 504                         break;
 505         }
 506         return RVAL_DECODED;
 507 }
 508
 509 SYS_FUNC(quotactl)
 510 {
 511         /*
 512          * The Linux kernel only looks at the low 32 bits of command and id
 513          * arguments, but on some 64-bit architectures (s390x) this word
 514          * will have been sign-extended when we see it.  The high 1 bits
 515          * don't mean anything, so don't confuse the output with them.
 516          */
 517         uint32_t qcmd = tcp->u_arg[0];
 518         uint32_t cmd = QCMD_CMD(qcmd);
 519         uint32_t type = QCMD_TYPE(qcmd);
 520         uint32_t id = tcp->u_arg[2];
 521
 522         if (entering(tcp)) {
 523                 tprints("QCMD(");
 524                 printxval(quotacmds, cmd, "Q_???");
 525                 tprints(", ");
 526                 printxval(quotatypes, type, "???QUOTA");
 527                 tprints("), ");
 528                 printpath(tcp, tcp->u_arg[1]);
 529                 tprints(", ");
 530                 switch (cmd) {
 531                         case Q_QUOTAON:
 532                         case Q_V1_QUOTAON:
 533                                 printxval(quota_formats, id, "QFMT_VFS_???");
 534                                 tprints(", ");
 535                                 printpath(tcp, tcp->u_arg[3]);
 536                                 return RVAL_DECODED;
 537                 }
 538                 printuid("", id);
 539                 tprints(", ");
 540         }
 541         return decode_cmd_data(tcp, cmd, tcp->u_arg[3]);
 542 }