source/lib/sysquotas_linux.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    System QUOTA function wrappers for LINUX
   4    Copyright (C) Stefan (metze) Metzmacher      2003
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 2 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program; if not, write to the Free Software
  18    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19 */
  20
  21
  22 #include "includes.h"
  23
  24 #undef DBGC_CLASS
  25 #define DBGC_CLASS DBGC_QUOTA
  26
  27 #ifdef HAVE_QUOTACTL_LINUX
  28
  29 #include "samba_linux_quota.h"
  30
  31 /****************************************************************************
  32  Abstract out the v1 Linux quota get calls.
  33 ****************************************************************************/
  34 static int sys_get_linux_v1_quota(const char *path, const char *bdev, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *dp)
  35 {
  36         int ret = -1;
  37         uint32 qflags = 0;
  38         struct v1_kern_dqblk D;
  39         SMB_BIG_UINT bsize = (SMB_BIG_UINT)QUOTABLOCK_SIZE;
  40
  41         ZERO_STRUCT(D);
  42
  43         switch (qtype) {
  44                 case SMB_USER_QUOTA_TYPE:
  45                         DEBUG(10,("sys_get_linux_v1_quota: path[%s] bdev[%s] SMB_USER_QUOTA_TYPE uid[%u]\n",
  46                                 path, bdev, (unsigned)id.uid));
  47
  48                         if ((ret = quotactl(QCMD(Q_V1_GETQUOTA,USRQUOTA), bdev, id.uid, (caddr_t)&D))&&errno != EDQUOT) {
  49                                 return ret;
  50                         }
  51
  52                         break;
  53                 case SMB_GROUP_QUOTA_TYPE:
  54                         DEBUG(10,("sys_get_linux_v1_quota: path[%s] bdev[%s] SMB_GROUP_QUOTA_TYPE gid[%u]\n",
  55                                 path, bdev, (unsigned)id.gid));
  56
  57                         if ((ret = quotactl(QCMD(Q_V1_GETQUOTA,GRPQUOTA), bdev, id.gid, (caddr_t)&D))&&errno != EDQUOT) {
  58                                 return ret;
  59                         }
  60
  61                         break;
  62                 case SMB_USER_FS_QUOTA_TYPE:
  63                         DEBUG(10,("sys_get_linux_v1_quota: path[%s] bdev[%s] SMB_USER_FS_QUOTA_TYPE (uid[%u])\n",
  64                                 path, bdev, (unsigned)id.uid));
  65
  66                         if ((ret = quotactl(QCMD(Q_V1_GETQUOTA,USRQUOTA), bdev, id.uid, (caddr_t)&D))==0) {
  67                                 qflags |= QUOTAS_DENY_DISK;
  68                         }
  69
  70                         break;
  71                 case SMB_GROUP_FS_QUOTA_TYPE:
  72                         DEBUG(10,("sys_get_linux_v1_quota: path[%s] bdev[%s] SMB_GROUP_FS_QUOTA_TYPE (gid[%u])\n",
  73                                 path, bdev, (unsigned)id.gid));
  74
  75                         if ((ret = quotactl(QCMD(Q_V1_GETQUOTA,GRPQUOTA), bdev, id.gid, (caddr_t)&D))==0) {
  76                                 qflags |= QUOTAS_DENY_DISK;
  77                         }
  78
  79                         break;
  80                 default:
  81                         errno = ENOSYS;
  82                         return -1;
  83         }
  84
  85         dp->bsize = bsize;
  86         dp->softlimit = (SMB_BIG_UINT)D.dqb_bsoftlimit;
  87         dp->hardlimit = (SMB_BIG_UINT)D.dqb_bhardlimit;
  88         dp->ihardlimit = (SMB_BIG_UINT)D.dqb_ihardlimit;
  89         dp->isoftlimit = (SMB_BIG_UINT)D.dqb_isoftlimit;
  90         dp->curinodes = (SMB_BIG_UINT)D.dqb_curinodes;
  91         dp->curblocks = (SMB_BIG_UINT)D.dqb_curblocks;
  92
  93
  94         dp->qflags = qflags;
  95
  96         return ret;
  97 }
  98
  99 /****************************************************************************
 100  Abstract out the v1 Linux quota set calls.
 101 ****************************************************************************/
 102 static int sys_set_linux_v1_quota(const char *path, const char *bdev, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *dp)
 103 {
 104         int ret = -1;
 105         uint32 qflags = 0;
 106         uint32 oldqflags = 0;
 107         struct v1_kern_dqblk D;
 108         SMB_BIG_UINT bsize = (SMB_BIG_UINT)QUOTABLOCK_SIZE;
 109
 110         ZERO_STRUCT(D);
 111
 112         if (bsize == dp->bsize) {
 113                 D.dqb_bsoftlimit = dp->softlimit;
 114                 D.dqb_bhardlimit = dp->hardlimit;
 115                 D.dqb_ihardlimit = dp->ihardlimit;
 116                 D.dqb_isoftlimit = dp->isoftlimit;
 117         } else {
 118                 D.dqb_bsoftlimit = (dp->softlimit*dp->bsize)/bsize;
 119                 D.dqb_bhardlimit = (dp->hardlimit*dp->bsize)/bsize;
 120                 D.dqb_ihardlimit = (dp->ihardlimit*dp->bsize)/bsize;
 121                 D.dqb_isoftlimit = (dp->isoftlimit*dp->bsize)/bsize;
 122         }
 123
 124         qflags = dp->qflags;
 125
 126         switch (qtype) {
 127                 case SMB_USER_QUOTA_TYPE:
 128                         DEBUG(10,("sys_set_linux_v1_quota: path[%s] bdev[%s] SMB_USER_QUOTA_TYPE uid[%u]\n",
 129                                 path, bdev, (unsigned)id.uid));
 130
 131                         ret = quotactl(QCMD(Q_V1_SETQUOTA,USRQUOTA), bdev, id.uid, (caddr_t)&D);
 132                         break;
 133                 case SMB_GROUP_QUOTA_TYPE:
 134                         DEBUG(10,("sys_set_linux_v1_quota: path[%s] bdev[%s] SMB_GROUP_QUOTA_TYPE gid[%u]\n",
 135                                 path, bdev, (unsigned)id.gid));
 136
 137                         ret = quotactl(QCMD(Q_V1_SETQUOTA,GRPQUOTA), bdev, id.gid, (caddr_t)&D);
 138                         break;
 139                 case SMB_USER_FS_QUOTA_TYPE:
 140                         DEBUG(10,("sys_set_linux_v1_quota: path[%s] bdev[%s] SMB_USER_FS_QUOTA_TYPE (uid[%u])\n",
 141                                 path, bdev, (unsigned)id.uid));
 142
 143                         if ((ret = quotactl(QCMD(Q_V1_GETQUOTA,USRQUOTA), bdev, id.uid, (caddr_t)&D))==0) {
 144                                 oldqflags |= QUOTAS_DENY_DISK;
 145                         }
 146
 147                         break;
 148                 case SMB_GROUP_FS_QUOTA_TYPE:
 149                         DEBUG(10,("sys_set_linux_v1_quota: path[%s] bdev[%s] SMB_GROUP_FS_QUOTA_TYPE (gid[%u])\n",
 150                                 path, bdev, (unsigned)id.gid));
 151
 152                         if ((ret = quotactl(QCMD(Q_V1_GETQUOTA,GRPQUOTA), bdev, id.gid, (caddr_t)&D))==0) {
 153                                 oldqflags |= QUOTAS_DENY_DISK;
 154                         }
 155
 156                         break;
 157                 default:
 158                         errno = ENOSYS;
 159                         return -1;
 160         }
 161
 162         return ret;
 163 }
 164
 165 /****************************************************************************
 166  Abstract out the v2 Linux quota get calls.
 167 ****************************************************************************/
 168 static int sys_get_linux_v2_quota(const char *path, const char *bdev, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *dp)
 169 {
 170         int ret = -1;
 171         uint32 qflags = 0;
 172         struct v2_kern_dqblk D;
 173         SMB_BIG_UINT bsize = (SMB_BIG_UINT)QUOTABLOCK_SIZE;
 174
 175         ZERO_STRUCT(D);
 176
 177         switch (qtype) {
 178                 case SMB_USER_QUOTA_TYPE:
 179                         DEBUG(10,("sys_get_linux_v2_quota: path[%s] bdev[%s] SMB_USER_QUOTA_TYPE uid[%u]\n",
 180                                 path, bdev, (unsigned)id.uid));
 181
 182                         if ((ret = quotactl(QCMD(Q_V2_GETQUOTA,USRQUOTA), bdev, id.uid, (caddr_t)&D))&&errno != EDQUOT) {
 183                                 return ret;
 184                         }
 185
 186                         break;
 187                 case SMB_GROUP_QUOTA_TYPE:
 188                         DEBUG(10,("sys_get_linux_v2_quota: path[%s] bdev[%s] SMB_GROUP_QUOTA_TYPE gid[%u]\n",
 189                                 path, bdev, (unsigned)id.gid));
 190
 191                         if ((ret = quotactl(QCMD(Q_V2_GETQUOTA,GRPQUOTA), bdev, id.gid, (caddr_t)&D))&&errno != EDQUOT) {
 192                                 return ret;
 193                         }
 194
 195                         break;
 196                 case SMB_USER_FS_QUOTA_TYPE:
 197                         DEBUG(10,("sys_get_linux_v2_quota: path[%s] bdev[%s] SMB_USER_FS_QUOTA_TYPE (uid[%u])\n",
 198                                 path, bdev, (unsigned)id.uid));
 199
 200                         if ((ret = quotactl(QCMD(Q_V2_GETQUOTA,USRQUOTA), bdev, id.uid, (caddr_t)&D))==0) {
 201                                 qflags |= QUOTAS_DENY_DISK;
 202                         }
 203
 204                         break;
 205                 case SMB_GROUP_FS_QUOTA_TYPE:
 206                         DEBUG(10,("sys_get_linux_v2_quota: path[%s] bdev[%s] SMB_GROUP_FS_QUOTA_TYPE (gid[%u])\n",
 207                                 path, bdev, (unsigned)id.gid));
 208
 209                         if ((ret = quotactl(QCMD(Q_V2_GETQUOTA,GRPQUOTA), bdev, id.gid, (caddr_t)&D))==0) {
 210                                 qflags |= QUOTAS_DENY_DISK;
 211                         }
 212
 213                         break;
 214                 default:
 215                         errno = ENOSYS;
 216                         return -1;
 217         }
 218
 219         dp->bsize = bsize;
 220         dp->softlimit = (SMB_BIG_UINT)D.dqb_bsoftlimit;
 221         dp->hardlimit = (SMB_BIG_UINT)D.dqb_bhardlimit;
 222         dp->ihardlimit = (SMB_BIG_UINT)D.dqb_ihardlimit;
 223         dp->isoftlimit = (SMB_BIG_UINT)D.dqb_isoftlimit;
 224         dp->curinodes = (SMB_BIG_UINT)D.dqb_curinodes;
 225         dp->curblocks = (SMB_BIG_UINT)D.dqb_curspace/bsize;
 226
 227
 228         dp->qflags = qflags;
 229
 230         return ret;
 231 }
 232
 233 /****************************************************************************
 234  Abstract out the v2 Linux quota set calls.
 235 ****************************************************************************/
 236 static int sys_set_linux_v2_quota(const char *path, const char *bdev, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *dp)
 237 {
 238         int ret = -1;
 239         uint32 qflags = 0;
 240         uint32 oldqflags = 0;
 241         struct v2_kern_dqblk D;
 242         SMB_BIG_UINT bsize = (SMB_BIG_UINT)QUOTABLOCK_SIZE;
 243
 244         ZERO_STRUCT(D);
 245
 246         if (bsize == dp->bsize) {
 247                 D.dqb_bsoftlimit = dp->softlimit;
 248                 D.dqb_bhardlimit = dp->hardlimit;
 249                 D.dqb_ihardlimit = dp->ihardlimit;
 250                 D.dqb_isoftlimit = dp->isoftlimit;
 251         } else {
 252                 D.dqb_bsoftlimit = (dp->softlimit*dp->bsize)/bsize;
 253                 D.dqb_bhardlimit = (dp->hardlimit*dp->bsize)/bsize;
 254                 D.dqb_ihardlimit = (dp->ihardlimit*dp->bsize)/bsize;
 255                 D.dqb_isoftlimit = (dp->isoftlimit*dp->bsize)/bsize;
 256         }
 257
 258         qflags = dp->qflags;
 259
 260         switch (qtype) {
 261                 case SMB_USER_QUOTA_TYPE:
 262                         DEBUG(10,("sys_set_linux_v2_quota: path[%s] bdev[%s] SMB_USER_QUOTA_TYPE uid[%u]\n",
 263                                 path, bdev, (unsigned)id.uid));
 264
 265                         ret = quotactl(QCMD(Q_V2_SETQUOTA,USRQUOTA), bdev, id.uid, (caddr_t)&D);
 266                         break;
 267                 case SMB_GROUP_QUOTA_TYPE:
 268                         DEBUG(10,("sys_set_linux_v2_quota: path[%s] bdev[%s] SMB_GROUP_QUOTA_TYPE gid[%u]\n",
 269                                 path, bdev, (unsigned)id.gid));
 270
 271                         ret = quotactl(QCMD(Q_V2_SETQUOTA,GRPQUOTA), bdev, id.gid, (caddr_t)&D);
 272                         break;
 273                 case SMB_USER_FS_QUOTA_TYPE:
 274                         DEBUG(10,("sys_set_linux_v2_quota: path[%s] bdev[%s] SMB_USER_FS_QUOTA_TYPE (uid[%u])\n",
 275                                 path, bdev, (unsigned)id.uid));
 276
 277                         if ((ret = quotactl(QCMD(Q_V2_GETQUOTA,USRQUOTA), bdev, id.uid, (caddr_t)&D))==0) {
 278                                 oldqflags |= QUOTAS_DENY_DISK;
 279                         }
 280
 281                         break;
 282                 case SMB_GROUP_FS_QUOTA_TYPE:
 283                         DEBUG(10,("sys_set_linux_v2_quota: path[%s] bdev[%s] SMB_GROUP_FS_QUOTA_TYPE (gid[%u])\n",
 284                                 path, bdev, (unsigned)id.gid));
 285
 286                         if ((ret = quotactl(QCMD(Q_V2_GETQUOTA,GRPQUOTA), bdev, id.gid, (caddr_t)&D))==0) {
 287                                 oldqflags |= QUOTAS_DENY_DISK;
 288                         }
 289
 290                         break;
 291                 default:
 292                         errno = ENOSYS;
 293                         return -1;
 294         }
 295
 296         return ret;
 297 }
 298
 299 /****************************************************************************
 300  Abstract out the generic Linux quota get calls.
 301 ****************************************************************************/
 302 static int sys_get_linux_gen_quota(const char *path, const char *bdev, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *dp)
 303 {
 304         int ret = -1;
 305         uint32 qflags = 0;
 306         struct if_dqblk D;
 307         SMB_BIG_UINT bsize = (SMB_BIG_UINT)QUOTABLOCK_SIZE;
 308
 309         ZERO_STRUCT(D);
 310
 311         switch (qtype) {
 312                 case SMB_USER_QUOTA_TYPE:
 313                         DEBUG(10,("sys_get_linux_gen_quota: path[%s] bdev[%s] SMB_USER_QUOTA_TYPE uid[%u]\n",
 314                                 path, bdev, (unsigned)id.uid));
 315
 316                         if ((ret = quotactl(QCMD(Q_GETQUOTA,USRQUOTA), bdev, id.uid, (caddr_t)&D))&&errno != EDQUOT) {
 317                                 return ret;
 318                         }
 319
 320                         break;
 321                 case SMB_GROUP_QUOTA_TYPE:
 322                         DEBUG(10,("sys_get_linux_gen_quota: path[%s] bdev[%s] SMB_GROUP_QUOTA_TYPE gid[%u]\n",
 323                                 path, bdev, (unsigned)id.gid));
 324
 325                         if ((ret = quotactl(QCMD(Q_GETQUOTA,GRPQUOTA), bdev, id.gid, (caddr_t)&D))&&errno != EDQUOT) {
 326                                 return ret;
 327                         }
 328
 329                         break;
 330                 case SMB_USER_FS_QUOTA_TYPE:
 331                         DEBUG(10,("sys_get_linux_gen_quota: path[%s] bdev[%s] SMB_USER_FS_QUOTA_TYPE (uid[%u])\n",
 332                                 path, bdev, (unsigned)id.uid));
 333
 334                         if ((ret = quotactl(QCMD(Q_GETQUOTA,USRQUOTA), bdev, id.uid, (caddr_t)&D))==0) {
 335                                 qflags |= QUOTAS_DENY_DISK;
 336                         }
 337
 338                         break;
 339                 case SMB_GROUP_FS_QUOTA_TYPE:
 340                         DEBUG(10,("sys_get_linux_gen_quota: path[%s] bdev[%s] SMB_GROUP_FS_QUOTA_TYPE (gid[%u])\n",
 341                                 path, bdev, (unsigned)id.gid));
 342
 343                         if ((ret = quotactl(QCMD(Q_GETQUOTA,GRPQUOTA), bdev, id.gid, (caddr_t)&D))==0) {
 344                                 qflags |= QUOTAS_DENY_DISK;
 345                         }
 346
 347                         break;
 348                 default:
 349                         errno = ENOSYS;
 350                         return -1;
 351         }
 352
 353         dp->bsize = bsize;
 354         dp->softlimit = (SMB_BIG_UINT)D.dqb_bsoftlimit;
 355         dp->hardlimit = (SMB_BIG_UINT)D.dqb_bhardlimit;
 356         dp->ihardlimit = (SMB_BIG_UINT)D.dqb_ihardlimit;
 357         dp->isoftlimit = (SMB_BIG_UINT)D.dqb_isoftlimit;
 358         dp->curinodes = (SMB_BIG_UINT)D.dqb_curinodes;
 359         dp->curblocks = (SMB_BIG_UINT)D.dqb_curspace/bsize;
 360
 361
 362         dp->qflags = qflags;
 363
 364         return ret;
 365 }
 366
 367 /****************************************************************************
 368  Abstract out the gen Linux quota set calls.
 369 ****************************************************************************/
 370 static int sys_set_linux_gen_quota(const char *path, const char *bdev, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *dp)
 371 {
 372         int ret = -1;
 373         uint32 qflags = 0;
 374         uint32 oldqflags = 0;
 375         struct if_dqblk D;
 376         SMB_BIG_UINT bsize = (SMB_BIG_UINT)QUOTABLOCK_SIZE;
 377
 378         ZERO_STRUCT(D);
 379
 380         if (bsize == dp->bsize) {
 381                 D.dqb_bsoftlimit = dp->softlimit;
 382                 D.dqb_bhardlimit = dp->hardlimit;
 383                 D.dqb_ihardlimit = dp->ihardlimit;
 384                 D.dqb_isoftlimit = dp->isoftlimit;
 385         } else {
 386                 D.dqb_bsoftlimit = (dp->softlimit*dp->bsize)/bsize;
 387                 D.dqb_bhardlimit = (dp->hardlimit*dp->bsize)/bsize;
 388                 D.dqb_ihardlimit = (dp->ihardlimit*dp->bsize)/bsize;
 389                 D.dqb_isoftlimit = (dp->isoftlimit*dp->bsize)/bsize;
 390         }
 391
 392         qflags = dp->qflags;
 393
 394         switch (qtype) {
 395                 case SMB_USER_QUOTA_TYPE:
 396                         DEBUG(10,("sys_set_linux_gen_quota: path[%s] bdev[%s] SMB_USER_QUOTA_TYPE uid[%u]\n",
 397                                 path, bdev, (unsigned)id.uid));
 398
 399                         ret = quotactl(QCMD(Q_SETQUOTA,USRQUOTA), bdev, id.uid, (caddr_t)&D);
 400                         break;
 401                 case SMB_GROUP_QUOTA_TYPE:
 402                         DEBUG(10,("sys_set_linux_gen_quota: path[%s] bdev[%s] SMB_GROUP_QUOTA_TYPE gid[%u]\n",
 403                                 path, bdev, (unsigned)id.gid));
 404
 405                         ret = quotactl(QCMD(Q_SETQUOTA,GRPQUOTA), bdev, id.gid, (caddr_t)&D);
 406                         break;
 407                 case SMB_USER_FS_QUOTA_TYPE:
 408                         DEBUG(10,("sys_set_linux_gen_quota: path[%s] bdev[%s] SMB_USER_FS_QUOTA_TYPE (uid[%u])\n",
 409                                 path, bdev, (unsigned)id.uid));
 410
 411                         if ((ret = quotactl(QCMD(Q_GETQUOTA,USRQUOTA), bdev, id.uid, (caddr_t)&D))==0) {
 412                                 oldqflags |= QUOTAS_DENY_DISK;
 413                         }
 414
 415                         break;
 416                 case SMB_GROUP_FS_QUOTA_TYPE:
 417                         DEBUG(10,("sys_set_linux_gen_quota: path[%s] bdev[%s] SMB_GROUP_FS_QUOTA_TYPE (gid[%u])\n",
 418                                 path, bdev, (unsigned)id.gid));
 419
 420                         if ((ret = quotactl(QCMD(Q_GETQUOTA,GRPQUOTA), bdev, id.gid, (caddr_t)&D))==0) {
 421                                 oldqflags |= QUOTAS_DENY_DISK;
 422                         }
 423
 424                         break;
 425                 default:
 426                         errno = ENOSYS;
 427                         return -1;
 428         }
 429
 430         return ret;
 431 }
 432
 433 /****************************************************************************
 434  Abstract out the Linux quota get calls.
 435 ****************************************************************************/
 436 int sys_get_vfs_quota(const char *path, const char *bdev, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *dp)
 437 {
 438         int ret = -1;
 439
 440         if (!path||!bdev||!dp)
 441                 smb_panic("sys_set_vfs_quota: called with NULL pointer");
 442
 443         ZERO_STRUCT(*dp);
 444         dp->qtype = qtype;
 445
 446         switch (qtype) {
 447                 case SMB_USER_QUOTA_TYPE:
 448                 case SMB_GROUP_QUOTA_TYPE:
 449                         if ((ret=sys_get_linux_gen_quota(path, bdev, qtype, id, dp))&&errno != EDQUOT) {
 450                                 if ((ret=sys_get_linux_v2_quota(path, bdev, qtype, id, dp))&&errno != EDQUOT) {
 451                                         if ((ret=sys_get_linux_v1_quota(path, bdev, qtype, id, dp))&&errno != EDQUOT) {
 452                                                 return ret;
 453                                         }
 454                                 }
 455                         }
 456
 457                         if ((dp->curblocks==0)&&
 458                                 (dp->softlimit==0)&&
 459                                 (dp->hardlimit==0)) {
 460                                 /* the upper layer functions don't want empty quota records...*/
 461                                 return -1;
 462                         }
 463
 464                         break;
 465                 case SMB_USER_FS_QUOTA_TYPE:
 466                         id.uid = getuid();
 467
 468                         if ((ret=sys_get_linux_gen_quota(path, bdev, qtype, id, dp))&&errno != EDQUOT) {
 469                                 if ((ret=sys_get_linux_v2_quota(path, bdev, qtype, id, dp))&&errno != EDQUOT) {
 470                                         ret=sys_get_linux_v1_quota(path, bdev, qtype, id, dp);
 471                                 }
 472                         }
 473
 474                         ret = 0;
 475                         break;
 476                 case SMB_GROUP_FS_QUOTA_TYPE:
 477                         id.gid = getgid();
 478
 479                         if ((ret=sys_get_linux_gen_quota(path, bdev, qtype, id, dp))&&errno != EDQUOT) {
 480                                 if ((ret=sys_get_linux_v2_quota(path, bdev, qtype, id, dp))&&errno != EDQUOT) {
 481                                         ret=sys_get_linux_v1_quota(path, bdev, qtype, id, dp);
 482                                 }
 483                         }
 484
 485                         ret = 0;
 486                         break;
 487                 default:
 488                         errno = ENOSYS;
 489                         return -1;
 490         }
 491
 492         return ret;
 493 }
 494
 495 /****************************************************************************
 496  Abstract out the Linux quota set calls.
 497 ****************************************************************************/
 498 int sys_set_vfs_quota(const char *path, const char *bdev, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *dp)
 499 {
 500         int ret = -1;
 501         uint32 oldqflags = 0;
 502
 503         if (!path||!bdev||!dp)
 504                 smb_panic("sys_set_vfs_quota: called with NULL pointer");
 505
 506         oldqflags = dp->qflags;
 507
 508         switch (qtype) {
 509                 case SMB_USER_QUOTA_TYPE:
 510                 case SMB_GROUP_QUOTA_TYPE:
 511                         if ((ret=sys_set_linux_gen_quota(path, bdev, qtype, id, dp))) {
 512                                 if ((ret=sys_set_linux_v2_quota(path, bdev, qtype, id, dp))) {
 513                                         if ((ret=sys_set_linux_v1_quota(path, bdev, qtype, id, dp))) {
 514                                                 return ret;
 515                                         }
 516                                 }
 517                         }
 518                         break;
 519                 case SMB_USER_FS_QUOTA_TYPE:
 520                         id.uid = getuid();
 521
 522                         if ((ret=sys_get_linux_gen_quota(path, bdev, qtype, id, dp))) {
 523                                 if ((ret=sys_get_linux_v2_quota(path, bdev, qtype, id, dp))) {
 524                                         ret=sys_get_linux_v1_quota(path, bdev, qtype, id, dp);
 525                                 }
 526                         }
 527
 528                         if (oldqflags == dp->qflags) {
 529                                 ret = 0;
 530                         } else {
 531                                 ret = -1;
 532                         }
 533                         break;
 534                 case SMB_GROUP_FS_QUOTA_TYPE:
 535                         id.gid = getgid();
 536
 537                         if ((ret=sys_get_linux_gen_quota(path, bdev, qtype, id, dp))) {
 538                                 if ((ret=sys_get_linux_v2_quota(path, bdev, qtype, id, dp))) {
 539                                         ret=sys_get_linux_v1_quota(path, bdev, qtype, id, dp);
 540                                 }
 541                         }
 542
 543                         if (oldqflags == dp->qflags) {
 544                                 ret = 0;
 545                         } else {
 546                                 ret = -1;
 547                         }
 548
 549                         break;
 550                 default:
 551                         errno = ENOSYS;
 552                         return -1;
 553         }
 554
 555         return ret;
 556 }
 557
 558 #else /* HAVE_QUOTACTL_LINUX */
 559  void dummy_sysquotas_linux(void){}
 560 #endif /* HAVE_QUOTACTL_LINUX */