aboutsummaryrefslogtreecommitdiffstats
path: root/fs/xfs/quota/xfs_quota_priv.h
blob: 6f4bbae51acaea3244c160d296e56b59b5577aad (plain)
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
/*
 * 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_DQ_IS_ADDEDTO_TRX(t, d)	((d)->q_transp == (t))

#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_qm_freelist_lock(qm) \
	mutex_lock(&((qm)->qm_dqfreelist.qh_lock))
#define xfs_qm_freelist_lock_nowait(qm) \
	mutex_trylock(&((qm)->qm_dqfreelist.qh_lock))
#define xfs_qm_freelist_unlock(qm) \
	mutex_unlock(&((qm)->qm_dqfreelist.qh_lock))

/*
 * 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 _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_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_HASHLIST_REMOVE(h, dqp)	\
	 _LIST_REMOVE(h, dqp, HL_PREVP, HL_NEXT)
#define XQM_FREELIST_REMOVE(dqp)	\
	 xfs_qm_freelist_unlink(dqp)

#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 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__ */