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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
Nathan Scott4ce31212005-11-02 14:59:41 +11002 * Copyright (c) 2000-2003 Silicon Graphics, Inc.
3 * All Rights Reserved.
Linus Torvalds1da177e2005-04-16 15:20:36 -07004 *
Nathan Scott4ce31212005-11-02 14:59:41 +11005 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License as
Linus Torvalds1da177e2005-04-16 15:20:36 -07007 * published by the Free Software Foundation.
8 *
Nathan Scott4ce31212005-11-02 14:59:41 +11009 * 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.
Linus Torvalds1da177e2005-04-16 15:20:36 -070013 *
Nathan Scott4ce31212005-11-02 14:59:41 +110014 * 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
Linus Torvalds1da177e2005-04-16 15:20:36 -070017 */
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/* Number of dquots that fit in to a dquot block */
28#define XFS_QM_DQPERBLK(mp) ((mp)->m_quotainfo->qi_dqperchunk)
29
30#define XFS_ISLOCKED_INODE(ip) (ismrlocked(&(ip)->i_lock, \
31 MR_UPDATE | MR_ACCESS) != 0)
32#define XFS_ISLOCKED_INODE_EXCL(ip) (ismrlocked(&(ip)->i_lock, \
33 MR_UPDATE) != 0)
34
35#define XFS_DQ_IS_ADDEDTO_TRX(t, d) ((d)->q_transp == (t))
36
37#define XFS_QI_MPLRECLAIMS(mp) ((mp)->m_quotainfo->qi_dqreclaims)
38#define XFS_QI_UQIP(mp) ((mp)->m_quotainfo->qi_uquotaip)
39#define XFS_QI_GQIP(mp) ((mp)->m_quotainfo->qi_gquotaip)
40#define XFS_QI_DQCHUNKLEN(mp) ((mp)->m_quotainfo->qi_dqchunklen)
41#define XFS_QI_BTIMELIMIT(mp) ((mp)->m_quotainfo->qi_btimelimit)
42#define XFS_QI_RTBTIMELIMIT(mp) ((mp)->m_quotainfo->qi_rtbtimelimit)
43#define XFS_QI_ITIMELIMIT(mp) ((mp)->m_quotainfo->qi_itimelimit)
44#define XFS_QI_BWARNLIMIT(mp) ((mp)->m_quotainfo->qi_bwarnlimit)
Nathan Scott06d10dd2005-06-21 15:48:47 +100045#define XFS_QI_RTBWARNLIMIT(mp) ((mp)->m_quotainfo->qi_rtbwarnlimit)
Linus Torvalds1da177e2005-04-16 15:20:36 -070046#define XFS_QI_IWARNLIMIT(mp) ((mp)->m_quotainfo->qi_iwarnlimit)
47#define XFS_QI_QOFFLOCK(mp) ((mp)->m_quotainfo->qi_quotaofflock)
48
49#define XFS_QI_MPL_LIST(mp) ((mp)->m_quotainfo->qi_dqlist)
50#define XFS_QI_MPLLOCK(mp) ((mp)->m_quotainfo->qi_dqlist.qh_lock)
51#define XFS_QI_MPLNEXT(mp) ((mp)->m_quotainfo->qi_dqlist.qh_next)
52#define XFS_QI_MPLNDQUOTS(mp) ((mp)->m_quotainfo->qi_dqlist.qh_nelems)
53
Jes Sorensen794ee1b2006-01-09 15:59:21 -080054#define XQMLCK(h) (mutex_lock(&((h)->qh_lock)))
Linus Torvalds1da177e2005-04-16 15:20:36 -070055#define XQMUNLCK(h) (mutex_unlock(&((h)->qh_lock)))
56#ifdef DEBUG
57struct xfs_dqhash;
58static inline int XQMISLCKD(struct xfs_dqhash *h)
59{
60 if (mutex_trylock(&h->qh_lock)) {
61 mutex_unlock(&h->qh_lock);
62 return 0;
63 }
64 return 1;
65}
66#endif
67
68#define XFS_DQ_HASH_LOCK(h) XQMLCK(h)
69#define XFS_DQ_HASH_UNLOCK(h) XQMUNLCK(h)
70#define XFS_DQ_IS_HASH_LOCKED(h) XQMISLCKD(h)
71
72#define xfs_qm_mplist_lock(mp) XQMLCK(&(XFS_QI_MPL_LIST(mp)))
73#define xfs_qm_mplist_unlock(mp) XQMUNLCK(&(XFS_QI_MPL_LIST(mp)))
74#define XFS_QM_IS_MPLIST_LOCKED(mp) XQMISLCKD(&(XFS_QI_MPL_LIST(mp)))
75
76#define xfs_qm_freelist_lock(qm) XQMLCK(&((qm)->qm_dqfreelist))
77#define xfs_qm_freelist_unlock(qm) XQMUNLCK(&((qm)->qm_dqfreelist))
78#define XFS_QM_IS_FREELIST_LOCKED(qm) XQMISLCKD(&((qm)->qm_dqfreelist))
79
80/*
81 * Hash into a bucket in the dquot hash table, based on <mp, id>.
82 */
83#define XFS_DQ_HASHVAL(mp, id) (((__psunsigned_t)(mp) + \
84 (__psunsigned_t)(id)) & \
85 (xfs_Gqm->qm_dqhashmask - 1))
86#define XFS_DQ_HASH(mp, id, type) (type == XFS_DQ_USER ? \
87 (xfs_Gqm->qm_usr_dqhtable + \
88 XFS_DQ_HASHVAL(mp, id)) : \
89 (xfs_Gqm->qm_grp_dqhtable + \
90 XFS_DQ_HASHVAL(mp, id)))
91#define XFS_IS_DQTYPE_ON(mp, type) (type == XFS_DQ_USER ? \
Nathan Scottc8ad20f2005-06-21 15:38:48 +100092 XFS_IS_UQUOTA_ON(mp) : \
93 XFS_IS_OQUOTA_ON(mp))
Linus Torvalds1da177e2005-04-16 15:20:36 -070094#define XFS_IS_DQUOT_UNINITIALIZED(dqp) ( \
95 !dqp->q_core.d_blk_hardlimit && \
96 !dqp->q_core.d_blk_softlimit && \
97 !dqp->q_core.d_rtb_hardlimit && \
98 !dqp->q_core.d_rtb_softlimit && \
99 !dqp->q_core.d_ino_hardlimit && \
100 !dqp->q_core.d_ino_softlimit && \
101 !dqp->q_core.d_bcount && \
102 !dqp->q_core.d_rtbcount && \
103 !dqp->q_core.d_icount)
104
105#define HL_PREVP dq_hashlist.ql_prevp
106#define HL_NEXT dq_hashlist.ql_next
107#define MPL_PREVP dq_mplist.ql_prevp
108#define MPL_NEXT dq_mplist.ql_next
109
110
111#define _LIST_REMOVE(h, dqp, PVP, NXT) \
112 { \
113 xfs_dquot_t *d; \
114 if (((d) = (dqp)->NXT)) \
115 (d)->PVP = (dqp)->PVP; \
116 *((dqp)->PVP) = d; \
117 (dqp)->NXT = NULL; \
118 (dqp)->PVP = NULL; \
119 (h)->qh_version++; \
120 (h)->qh_nelems--; \
121 }
122
123#define _LIST_INSERT(h, dqp, PVP, NXT) \
124 { \
125 xfs_dquot_t *d; \
126 if (((d) = (h)->qh_next)) \
127 (d)->PVP = &((dqp)->NXT); \
128 (dqp)->NXT = d; \
129 (dqp)->PVP = &((h)->qh_next); \
130 (h)->qh_next = dqp; \
131 (h)->qh_version++; \
132 (h)->qh_nelems++; \
133 }
134
135#define FOREACH_DQUOT_IN_MP(dqp, mp) \
136 for ((dqp) = XFS_QI_MPLNEXT(mp); (dqp) != NULL; (dqp) = (dqp)->MPL_NEXT)
137
138#define FOREACH_DQUOT_IN_FREELIST(dqp, qlist) \
139for ((dqp) = (qlist)->qh_next; (dqp) != (xfs_dquot_t *)(qlist); \
140 (dqp) = (dqp)->dq_flnext)
141
142#define XQM_HASHLIST_INSERT(h, dqp) \
143 _LIST_INSERT(h, dqp, HL_PREVP, HL_NEXT)
144
145#define XQM_FREELIST_INSERT(h, dqp) \
146 xfs_qm_freelist_append(h, dqp)
147
148#define XQM_MPLIST_INSERT(h, dqp) \
149 _LIST_INSERT(h, dqp, MPL_PREVP, MPL_NEXT)
150
151#define XQM_HASHLIST_REMOVE(h, dqp) \
152 _LIST_REMOVE(h, dqp, HL_PREVP, HL_NEXT)
153#define XQM_FREELIST_REMOVE(dqp) \
154 xfs_qm_freelist_unlink(dqp)
155#define XQM_MPLIST_REMOVE(h, dqp) \
156 { _LIST_REMOVE(h, dqp, MPL_PREVP, MPL_NEXT); \
157 XFS_QI_MPLRECLAIMS((dqp)->q_mount)++; }
158
159#define XFS_DQ_IS_LOGITEM_INITD(dqp) ((dqp)->q_logitem.qli_dquot == (dqp))
160
161#define XFS_QM_DQP_TO_DQACCT(tp, dqp) (XFS_QM_ISUDQ(dqp) ? \
162 (tp)->t_dqinfo->dqa_usrdquots : \
163 (tp)->t_dqinfo->dqa_grpdquots)
164#define XFS_IS_SUSER_DQUOT(dqp) \
165 (!((dqp)->q_core.d_id))
166
167#define XFS_PURGE_INODE(ip) \
Christoph Hellwig66f58d22005-06-21 15:37:43 +1000168 IRELE(ip);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700169
170#define DQFLAGTO_TYPESTR(d) (((d)->dq_flags & XFS_DQ_USER) ? "USR" : \
Nathan Scottc8ad20f2005-06-21 15:38:48 +1000171 (((d)->dq_flags & XFS_DQ_GROUP) ? "GRP" : \
172 (((d)->dq_flags & XFS_DQ_PROJ) ? "PRJ":"???")))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700173#define DQFLAGTO_DIRTYSTR(d) (XFS_DQ_IS_DIRTY(d) ? "DIRTY" : "NOTDIRTY")
174
175#endif /* __XFS_QUOTA_PRIV_H__ */