fs/xfs/xfs_quota_priv.h

   1 /*
   2  * Copyright (c) 2000-2003 Silicon Graphics, Inc.
   3  * All Rights Reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License as
   7  * published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it would be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write the Free Software Foundation,
  16  * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  17  */
  18 #ifndef __XFS_QUOTA_PRIV_H__
  19 #define __XFS_QUOTA_PRIV_H__
  20
  21 /*
  22  * Number of bmaps that we ask from bmapi when doing a quotacheck.
  23  * We make this restriction to keep the memory usage to a minimum.
  24  */
  25 #define XFS_DQITER_MAP_SIZE     10
  26
  27 /*
  28  * Hash into a bucket in the dquot hash table, based on <mp, id>.
  29  */
  30 #define XFS_DQ_HASHVAL(mp, id) (((__psunsigned_t)(mp) + \
  31                                  (__psunsigned_t)(id)) & \
  32                                 (xfs_Gqm->qm_dqhashmask - 1))
  33 #define XFS_DQ_HASH(mp, id, type)   (type == XFS_DQ_USER ? \
  34                                      (xfs_Gqm->qm_usr_dqhtable + \
  35                                       XFS_DQ_HASHVAL(mp, id)) : \
  36                                      (xfs_Gqm->qm_grp_dqhtable + \
  37                                       XFS_DQ_HASHVAL(mp, id)))
  38 #define XFS_IS_DQUOT_UNINITIALIZED(dqp) ( \
  39         !dqp->q_core.d_blk_hardlimit && \
  40         !dqp->q_core.d_blk_softlimit && \
  41         !dqp->q_core.d_rtb_hardlimit && \
  42         !dqp->q_core.d_rtb_softlimit && \
  43         !dqp->q_core.d_ino_hardlimit && \
  44         !dqp->q_core.d_ino_softlimit && \
  45         !dqp->q_core.d_bcount && \
  46         !dqp->q_core.d_rtbcount && \
  47         !dqp->q_core.d_icount)
  48
  49 #define DQFLAGTO_TYPESTR(d)     (((d)->dq_flags & XFS_DQ_USER) ? "USR" : \
  50                                  (((d)->dq_flags & XFS_DQ_GROUP) ? "GRP" : \
  51                                  (((d)->dq_flags & XFS_DQ_PROJ) ? "PRJ":"???")))
  52
  53 #endif  /* __XFS_QUOTA_PRIV_H__ */