1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
|
/*
* Copyright (c) 2000-2003 Silicon Graphics, Inc.
* All Rights Reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it would be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef __XFS_QUOTA_PRIV_H__
#define __XFS_QUOTA_PRIV_H__
/*
* Number of bmaps that we ask from bmapi when doing a quotacheck.
* We make this restriction to keep the memory usage to a minimum.
*/
#define XFS_DQITER_MAP_SIZE 10
/* Number of dquots that fit in to a dquot block */
#define XFS_QM_DQPERBLK(mp) ((mp)->m_quotainfo->qi_dqperchunk)
#define XFS_ISLOCKED_INODE(ip) (ismrlocked(&(ip)->i_lock, \
MR_UPDATE | MR_ACCESS) != 0)
#define XFS_ISLOCKED_INODE_EXCL(ip) (ismrlocked(&(ip)->i_lock, \
MR_UPDATE) != 0)
#define XFS_DQ_IS_ADDEDTO_TRX(t, d) ((d)->q_transp == (t))
#define XFS_QI_MPLRECLAIMS(mp) ((mp)->m_quotainfo->qi_dqreclaims)
#define XFS_QI_UQIP(mp) ((mp)->m_quotainfo->qi_uquotaip)
#define XFS_QI_GQIP(mp) ((mp)->m_quotainfo->qi_gquotaip)
#define XFS_QI_DQCHUNKLEN(mp) ((mp)->m_quotainfo->qi_dqchunklen)
#define XFS_QI_BTIMELIMIT(mp) ((mp)->m_quotainfo->qi_btimelimit)
#define XFS_QI_RTBTIMELIMIT(mp) ((mp)->m_quotainfo->qi_rtbtimelimit)
#define XFS_QI_ITIMELIMIT(mp) ((mp)->m_quotainfo->qi_itimelimit)
#define XFS_QI_BWARNLIMIT(mp) ((mp)->m_quotainfo->qi_bwarnlimit)
#define XFS_QI_RTBWARNLIMIT(mp) ((mp)->m_quotainfo->qi_rtbwarnlimit)
#define XFS_QI_IWARNLIMIT(mp) ((mp)->m_quotainfo->qi_iwarnlimit)
#define XFS_QI_QOFFLOCK(mp) ((mp)->m_quotainfo->qi_quotaofflock)
#define XFS_QI_MPL_LIST(mp) ((mp)->m_quotainfo->qi_dqlist)
#define XFS_QI_MPLLOCK(mp) ((mp)->m_quotainfo->qi_dqlist.qh_lock)
#define XFS_QI_MPLNEXT(mp) ((mp)->m_quotainfo->qi_dqlist.qh_next)
#define XFS_QI_MPLNDQUOTS(mp) ((mp)->m_quotainfo->qi_dqlist.qh_nelems)
#define XQMLCK(h) (mutex_lock(&((h)->qh_lock)))
#define XQMUNLCK(h) (mutex_unlock(&((h)->qh_lock)))
#ifdef DEBUG
struct xfs_dqhash;
static inline int XQMISLCKD(struct xfs_dqhash *h)
{
if (mutex_trylock(&h->qh_lock)) {
mutex_unlock(&h->qh_lock);
return 0;
}
return 1;
}
#endif
#define XFS_DQ_HASH_LOCK(h) XQMLCK(h)
#define XFS_DQ_HASH_UNLOCK(h) XQMUNLCK(h)
#define XFS_DQ_IS_HASH_LOCKED(h) XQMISLCKD(h)
#define xfs_qm_mplist_lock(mp) XQMLCK(&(XFS_QI_MPL_LIST(mp)))
#define xfs_qm_mplist_unlock(mp) XQMUNLCK(&(XFS_QI_MPL_LIST(mp)))
#define XFS_QM_IS_MPLIST_LOCKED(mp) XQMISLCKD(&(XFS_QI_MPL_LIST(mp)))
#define xfs_qm_freelist_lock(qm) XQMLCK(&((qm)->qm_dqfreelist))
#define xfs_qm_freelist_unlock(qm) XQMUNLCK(&((qm)->qm_dqfreelist))
/*
* Hash into a bucket in the dquot hash table, based on <mp, id>.
*/
#define XFS_DQ_HASHVAL(mp, id) (((__psunsigned_t)(mp) + \
(__psunsigned_t)(id)) & \
(xfs_Gqm->qm_dqhashmask - 1))
#define XFS_DQ_HASH(mp, id, type) (type == XFS_DQ_USER ? \
(xfs_Gqm->qm_usr_dqhtable + \
XFS_DQ_HASHVAL(mp, id)) : \
(xfs_Gqm->qm_grp_dqhtable + \
XFS_DQ_HASHVAL(mp, id)))
#define XFS_IS_DQTYPE_ON(mp, type) (type == XFS_DQ_USER ? \
XFS_IS_UQUOTA_ON(mp) : \
XFS_IS_OQUOTA_ON(mp))
#define XFS_IS_DQUOT_UNINITIALIZED(dqp) ( \
!dqp->q_core.d_blk_hardlimit && \
!dqp->q_core.d_blk_softlimit && \
!dqp->q_core.d_rtb_hardlimit && \
!dqp->q_core.d_rtb_softlimit && \
!dqp->q_core.d_ino_hardlimit && \
!dqp->q_core.d_ino_softlimit && \
!dqp->q_core.d_bcount && \
!dqp->q_core.d_rtbcount && \
!dqp->q_core.d_icount)
#define HL_PREVP dq_hashlist.ql_prevp
#define HL_NEXT dq_hashlist.ql_next
#define MPL_PREVP dq_mplist.ql_prevp
#define MPL_NEXT dq_mplist.ql_next
#define _LIST_REMOVE(h, dqp, PVP, NXT) \
{ \
xfs_dquot_t *d; \
if (((d) = (dqp)->NXT)) \
(d)->PVP = (dqp)->PVP; \
*((dqp)->PVP) = d; \
(dqp)->NXT = NULL; \
(dqp)->PVP = NULL; \
(h)->qh_version++; \
(h)->qh_nelems--; \
}
#define _LIST_INSERT(h, dqp, PVP, NXT) \
{ \
xfs_dquot_t *d; \
if (((d) = (h)->qh_next)) \
(d)->PVP = &((dqp)->NXT); \
(dqp)->NXT = d; \
(dqp)->PVP = &((h)->qh_next); \
(h)->qh_next = dqp; \
(h)->qh_version++; \
(h)->qh_nelems++; \
}
#define FOREACH_DQUOT_IN_MP(dqp, mp) \
for ((dqp) = XFS_QI_MPLNEXT(mp); (dqp) != NULL; (dqp) = (dqp)->MPL_NEXT)
#define FOREACH_DQUOT_IN_FREELIST(dqp, qlist) \
for ((dqp) = (qlist)->qh_next; (dqp) != (xfs_dquot_t *)(qlist); \
(dqp) = (dqp)->dq_flnext)
#define XQM_HASHLIST_INSERT(h, dqp) \
_LIST_INSERT(h, dqp, HL_PREVP, HL_NEXT)
#define XQM_FREELIST_INSERT(h, dqp) \
xfs_qm_freelist_append(h, dqp)
#define XQM_MPLIST_INSERT(h, dqp) \
_LIST_INSERT(h, dqp, MPL_PREVP, MPL_NEXT)
#define XQM_HASHLIST_REMOVE(h, dqp) \
_LIST_REMOVE(h, dqp, HL_PREVP, HL_NEXT)
#define XQM_FREELIST_REMOVE(dqp) \
xfs_qm_freelist_unlink(dqp)
#define XQM_MPLIST_REMOVE(h, dqp) \
{ _LIST_REMOVE(h, dqp, MPL_PREVP, MPL_NEXT); \
XFS_QI_MPLRECLAIMS((dqp)->q_mount)++; }
#define XFS_DQ_IS_LOGITEM_INITD(dqp) ((dqp)->q_logitem.qli_dquot == (dqp))
#define XFS_QM_DQP_TO_DQACCT(tp, dqp) (XFS_QM_ISUDQ(dqp) ? \
(tp)->t_dqinfo->dqa_usrdquots : \
(tp)->t_dqinfo->dqa_grpdquots)
#define XFS_IS_SUSER_DQUOT(dqp) \
(!((dqp)->q_core.d_id))
#define XFS_PURGE_INODE(ip) \
IRELE(ip);
#define DQFLAGTO_TYPESTR(d) (((d)->dq_flags & XFS_DQ_USER) ? "USR" : \
(((d)->dq_flags & XFS_DQ_GROUP) ? "GRP" : \
(((d)->dq_flags & XFS_DQ_PROJ) ? "PRJ":"???")))
#endif /* __XFS_QUOTA_PRIV_H__ */
|
