fs/xfs/quota/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 #define XFS_DQ_IS_ADDEDTO_TRX(t, d)     ((d)->q_transp == (t))
  28
  29 /*
  30  * Hash into a bucket in the dquot hash table, based on <mp, id>.
  31  */
  32 #define XFS_DQ_HASHVAL(mp, id) (((__psunsigned_t)(mp) + \
  33                                  (__psunsigned_t)(id)) & \
  34                                 (xfs_Gqm->qm_dqhashmask - 1))
  35 #define XFS_DQ_HASH(mp, id, type)   (type == XFS_DQ_USER ? \
  36                                      (xfs_Gqm->qm_usr_dqhtable + \
  37                                       XFS_DQ_HASHVAL(mp, id)) : \
  38                                      (xfs_Gqm->qm_grp_dqhtable + \
  39                                       XFS_DQ_HASHVAL(mp, id)))
  40 #define XFS_IS_DQTYPE_ON(mp, type)   (type == XFS_DQ_USER ? \
  41                                         XFS_IS_UQUOTA_ON(mp) : \
  42                                         XFS_IS_OQUOTA_ON(mp))
  43 #define XFS_IS_DQUOT_UNINITIALIZED(dqp) ( \
  44         !dqp->q_core.d_blk_hardlimit && \
  45         !dqp->q_core.d_blk_softlimit && \
  46         !dqp->q_core.d_rtb_hardlimit && \
  47         !dqp->q_core.d_rtb_softlimit && \
  48         !dqp->q_core.d_ino_hardlimit && \
  49         !dqp->q_core.d_ino_softlimit && \
  50         !dqp->q_core.d_bcount && \
  51         !dqp->q_core.d_rtbcount && \
  52         !dqp->q_core.d_icount)
  53
  54 #define XFS_DQ_IS_LOGITEM_INITD(dqp)    ((dqp)->q_logitem.qli_dquot == (dqp))
  55
  56 #define XFS_QM_DQP_TO_DQACCT(tp, dqp)   (XFS_QM_ISUDQ(dqp) ? \
  57                                          (tp)->t_dqinfo->dqa_usrdquots : \
  58                                          (tp)->t_dqinfo->dqa_grpdquots)
  59 #define XFS_IS_SUSER_DQUOT(dqp)         \
  60         (!((dqp)->q_core.d_id))
  61
  62 #define DQFLAGTO_TYPESTR(d)     (((d)->dq_flags & XFS_DQ_USER) ? "USR" : \
  63                                  (((d)->dq_flags & XFS_DQ_GROUP) ? "GRP" : \
  64                                  (((d)->dq_flags & XFS_DQ_PROJ) ? "PRJ":"???")))
  65
  66 #endif  /* __XFS_QUOTA_PRIV_H__ */