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26cc002180
SGI-PV: 981498 SGI-Modid: xfs-linux-melb:xfs-kern:31405a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Tim Shimmin <tes@sgi.com> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
166 lines
5.6 KiB
C
166 lines
5.6 KiB
C
/*
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* Copyright (c) 2000-2003 Silicon Graphics, Inc.
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* All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it would be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef __XFS_QUOTA_PRIV_H__
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#define __XFS_QUOTA_PRIV_H__
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/*
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* Number of bmaps that we ask from bmapi when doing a quotacheck.
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* We make this restriction to keep the memory usage to a minimum.
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*/
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#define XFS_DQITER_MAP_SIZE 10
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/* Number of dquots that fit in to a dquot block */
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#define XFS_QM_DQPERBLK(mp) ((mp)->m_quotainfo->qi_dqperchunk)
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#define XFS_DQ_IS_ADDEDTO_TRX(t, d) ((d)->q_transp == (t))
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#define XFS_QI_MPLRECLAIMS(mp) ((mp)->m_quotainfo->qi_dqreclaims)
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#define XFS_QI_UQIP(mp) ((mp)->m_quotainfo->qi_uquotaip)
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#define XFS_QI_GQIP(mp) ((mp)->m_quotainfo->qi_gquotaip)
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#define XFS_QI_DQCHUNKLEN(mp) ((mp)->m_quotainfo->qi_dqchunklen)
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#define XFS_QI_BTIMELIMIT(mp) ((mp)->m_quotainfo->qi_btimelimit)
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#define XFS_QI_RTBTIMELIMIT(mp) ((mp)->m_quotainfo->qi_rtbtimelimit)
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#define XFS_QI_ITIMELIMIT(mp) ((mp)->m_quotainfo->qi_itimelimit)
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#define XFS_QI_BWARNLIMIT(mp) ((mp)->m_quotainfo->qi_bwarnlimit)
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#define XFS_QI_RTBWARNLIMIT(mp) ((mp)->m_quotainfo->qi_rtbwarnlimit)
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#define XFS_QI_IWARNLIMIT(mp) ((mp)->m_quotainfo->qi_iwarnlimit)
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#define XFS_QI_QOFFLOCK(mp) ((mp)->m_quotainfo->qi_quotaofflock)
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#define XFS_QI_MPL_LIST(mp) ((mp)->m_quotainfo->qi_dqlist)
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#define XFS_QI_MPLLOCK(mp) ((mp)->m_quotainfo->qi_dqlist.qh_lock)
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#define XFS_QI_MPLNEXT(mp) ((mp)->m_quotainfo->qi_dqlist.qh_next)
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#define XFS_QI_MPLNDQUOTS(mp) ((mp)->m_quotainfo->qi_dqlist.qh_nelems)
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#define XQMLCK(h) (mutex_lock(&((h)->qh_lock)))
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#define XQMUNLCK(h) (mutex_unlock(&((h)->qh_lock)))
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#ifdef DEBUG
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struct xfs_dqhash;
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static inline int XQMISLCKD(struct xfs_dqhash *h)
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{
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if (mutex_trylock(&h->qh_lock)) {
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mutex_unlock(&h->qh_lock);
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return 0;
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}
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return 1;
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}
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#endif
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#define XFS_DQ_HASH_LOCK(h) XQMLCK(h)
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#define XFS_DQ_HASH_UNLOCK(h) XQMUNLCK(h)
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#define XFS_DQ_IS_HASH_LOCKED(h) XQMISLCKD(h)
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#define xfs_qm_mplist_lock(mp) XQMLCK(&(XFS_QI_MPL_LIST(mp)))
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#define xfs_qm_mplist_unlock(mp) XQMUNLCK(&(XFS_QI_MPL_LIST(mp)))
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#define XFS_QM_IS_MPLIST_LOCKED(mp) XQMISLCKD(&(XFS_QI_MPL_LIST(mp)))
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#define xfs_qm_freelist_lock(qm) XQMLCK(&((qm)->qm_dqfreelist))
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#define xfs_qm_freelist_unlock(qm) XQMUNLCK(&((qm)->qm_dqfreelist))
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/*
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* Hash into a bucket in the dquot hash table, based on <mp, id>.
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*/
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#define XFS_DQ_HASHVAL(mp, id) (((__psunsigned_t)(mp) + \
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(__psunsigned_t)(id)) & \
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(xfs_Gqm->qm_dqhashmask - 1))
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#define XFS_DQ_HASH(mp, id, type) (type == XFS_DQ_USER ? \
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(xfs_Gqm->qm_usr_dqhtable + \
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XFS_DQ_HASHVAL(mp, id)) : \
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(xfs_Gqm->qm_grp_dqhtable + \
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XFS_DQ_HASHVAL(mp, id)))
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#define XFS_IS_DQTYPE_ON(mp, type) (type == XFS_DQ_USER ? \
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XFS_IS_UQUOTA_ON(mp) : \
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XFS_IS_OQUOTA_ON(mp))
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#define XFS_IS_DQUOT_UNINITIALIZED(dqp) ( \
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!dqp->q_core.d_blk_hardlimit && \
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!dqp->q_core.d_blk_softlimit && \
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!dqp->q_core.d_rtb_hardlimit && \
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!dqp->q_core.d_rtb_softlimit && \
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!dqp->q_core.d_ino_hardlimit && \
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!dqp->q_core.d_ino_softlimit && \
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!dqp->q_core.d_bcount && \
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!dqp->q_core.d_rtbcount && \
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!dqp->q_core.d_icount)
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#define HL_PREVP dq_hashlist.ql_prevp
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#define HL_NEXT dq_hashlist.ql_next
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#define MPL_PREVP dq_mplist.ql_prevp
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#define MPL_NEXT dq_mplist.ql_next
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#define _LIST_REMOVE(h, dqp, PVP, NXT) \
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{ \
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xfs_dquot_t *d; \
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if (((d) = (dqp)->NXT)) \
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(d)->PVP = (dqp)->PVP; \
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*((dqp)->PVP) = d; \
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(dqp)->NXT = NULL; \
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(dqp)->PVP = NULL; \
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(h)->qh_version++; \
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(h)->qh_nelems--; \
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}
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#define _LIST_INSERT(h, dqp, PVP, NXT) \
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{ \
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xfs_dquot_t *d; \
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if (((d) = (h)->qh_next)) \
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(d)->PVP = &((dqp)->NXT); \
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(dqp)->NXT = d; \
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(dqp)->PVP = &((h)->qh_next); \
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(h)->qh_next = dqp; \
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(h)->qh_version++; \
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(h)->qh_nelems++; \
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}
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#define FOREACH_DQUOT_IN_MP(dqp, mp) \
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for ((dqp) = XFS_QI_MPLNEXT(mp); (dqp) != NULL; (dqp) = (dqp)->MPL_NEXT)
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#define FOREACH_DQUOT_IN_FREELIST(dqp, qlist) \
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for ((dqp) = (qlist)->qh_next; (dqp) != (xfs_dquot_t *)(qlist); \
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(dqp) = (dqp)->dq_flnext)
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#define XQM_HASHLIST_INSERT(h, dqp) \
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_LIST_INSERT(h, dqp, HL_PREVP, HL_NEXT)
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#define XQM_FREELIST_INSERT(h, dqp) \
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xfs_qm_freelist_append(h, dqp)
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#define XQM_MPLIST_INSERT(h, dqp) \
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_LIST_INSERT(h, dqp, MPL_PREVP, MPL_NEXT)
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#define XQM_HASHLIST_REMOVE(h, dqp) \
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_LIST_REMOVE(h, dqp, HL_PREVP, HL_NEXT)
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#define XQM_FREELIST_REMOVE(dqp) \
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xfs_qm_freelist_unlink(dqp)
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#define XQM_MPLIST_REMOVE(h, dqp) \
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{ _LIST_REMOVE(h, dqp, MPL_PREVP, MPL_NEXT); \
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XFS_QI_MPLRECLAIMS((dqp)->q_mount)++; }
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#define XFS_DQ_IS_LOGITEM_INITD(dqp) ((dqp)->q_logitem.qli_dquot == (dqp))
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#define XFS_QM_DQP_TO_DQACCT(tp, dqp) (XFS_QM_ISUDQ(dqp) ? \
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(tp)->t_dqinfo->dqa_usrdquots : \
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(tp)->t_dqinfo->dqa_grpdquots)
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#define XFS_IS_SUSER_DQUOT(dqp) \
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(!((dqp)->q_core.d_id))
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#define DQFLAGTO_TYPESTR(d) (((d)->dq_flags & XFS_DQ_USER) ? "USR" : \
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(((d)->dq_flags & XFS_DQ_GROUP) ? "GRP" : \
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(((d)->dq_flags & XFS_DQ_PROJ) ? "PRJ":"???")))
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#endif /* __XFS_QUOTA_PRIV_H__ */
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