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0b61f8a4 | 1 | // SPDX-License-Identifier: GPL-2.0 |
1da177e4 | 2 | /* |
4ce3121f NS |
3 | * Copyright (c) 2000-2005 Silicon Graphics, Inc. |
4 | * All Rights Reserved. | |
1da177e4 LT |
5 | */ |
6 | #ifndef __XFS_QM_H__ | |
7 | #define __XFS_QM_H__ | |
8 | ||
9 | #include "xfs_dquot_item.h" | |
10 | #include "xfs_dquot.h" | |
1da177e4 | 11 | |
1da177e4 LT |
12 | struct xfs_inode; |
13 | ||
a05931ce | 14 | extern struct kmem_zone *xfs_qm_dqtrxzone; |
1da177e4 | 15 | |
afbd123d JL |
16 | /* |
17 | * Number of bmaps that we ask from bmapi when doing a quotacheck. | |
18 | * We make this restriction to keep the memory usage to a minimum. | |
19 | */ | |
20 | #define XFS_DQITER_MAP_SIZE 10 | |
21 | ||
22 | #define XFS_IS_DQUOT_UNINITIALIZED(dqp) ( \ | |
d3537cf9 DW |
23 | !dqp->q_blk.hardlimit && \ |
24 | !dqp->q_blk.softlimit && \ | |
25 | !dqp->q_rtb.hardlimit && \ | |
26 | !dqp->q_rtb.softlimit && \ | |
27 | !dqp->q_ino.hardlimit && \ | |
28 | !dqp->q_ino.softlimit && \ | |
be37d40c DW |
29 | !dqp->q_blk.count && \ |
30 | !dqp->q_rtb.count && \ | |
31 | !dqp->q_ino.count) | |
afbd123d | 32 | |
438769e3 DW |
33 | struct xfs_quota_limits { |
34 | xfs_qcnt_t hard; /* default hard limit */ | |
35 | xfs_qcnt_t soft; /* default soft limit */ | |
36 | time64_t time; /* limit for timers */ | |
37 | xfs_qwarncnt_t warn; /* limit for warnings */ | |
38 | }; | |
39 | ||
e850301f | 40 | /* Defaults for each quota type: time limits, warn limits, usage limits */ |
be607946 | 41 | struct xfs_def_quota { |
438769e3 DW |
42 | struct xfs_quota_limits blk; |
43 | struct xfs_quota_limits ino; | |
44 | struct xfs_quota_limits rtb; | |
be607946 CM |
45 | }; |
46 | ||
1da177e4 LT |
47 | /* |
48 | * Various quota information for individual filesystems. | |
49 | * The mount structure keeps a pointer to this. | |
50 | */ | |
c072fbef | 51 | struct xfs_quotainfo { |
8d077f5b ES |
52 | struct radix_tree_root qi_uquota_tree; |
53 | struct radix_tree_root qi_gquota_tree; | |
54 | struct radix_tree_root qi_pquota_tree; | |
55 | struct mutex qi_tree_lock; | |
92f8ff73 CS |
56 | struct xfs_inode *qi_uquotaip; /* user quota inode */ |
57 | struct xfs_inode *qi_gquotaip; /* group quota inode */ | |
58 | struct xfs_inode *qi_pquotaip; /* project quota inode */ | |
8d077f5b ES |
59 | struct list_lru qi_lru; |
60 | int qi_dquots; | |
8d077f5b ES |
61 | struct mutex qi_quotaofflock;/* to serialize quotaoff */ |
62 | xfs_filblks_t qi_dqchunklen; /* # BBs in a chunk of dqs */ | |
63 | uint qi_dqperchunk; /* # ondisk dq in above chunk */ | |
be607946 CM |
64 | struct xfs_def_quota qi_usr_default; |
65 | struct xfs_def_quota qi_grp_default; | |
66 | struct xfs_def_quota qi_prj_default; | |
8d077f5b | 67 | struct shrinker qi_shrinker; |
11d8a919 DW |
68 | |
69 | /* Minimum and maximum quota expiration timestamp values. */ | |
70 | time64_t qi_expiry_min; | |
71 | time64_t qi_expiry_max; | |
c072fbef | 72 | }; |
1da177e4 | 73 | |
329e0875 CS |
74 | static inline struct radix_tree_root * |
75 | xfs_dquot_tree( | |
76 | struct xfs_quotainfo *qi, | |
1a7ed271 | 77 | xfs_dqtype_t type) |
329e0875 CS |
78 | { |
79 | switch (type) { | |
8cd4901d | 80 | case XFS_DQTYPE_USER: |
329e0875 | 81 | return &qi->qi_uquota_tree; |
8cd4901d | 82 | case XFS_DQTYPE_GROUP: |
329e0875 | 83 | return &qi->qi_gquota_tree; |
8cd4901d | 84 | case XFS_DQTYPE_PROJ: |
92f8ff73 | 85 | return &qi->qi_pquota_tree; |
329e0875 CS |
86 | default: |
87 | ASSERT(0); | |
88 | } | |
89 | return NULL; | |
90 | } | |
995961c4 CS |
91 | |
92 | static inline struct xfs_inode * | |
1a7ed271 | 93 | xfs_quota_inode(struct xfs_mount *mp, xfs_dqtype_t type) |
995961c4 | 94 | { |
1a7ed271 | 95 | switch (type) { |
8cd4901d | 96 | case XFS_DQTYPE_USER: |
4d4d9523 | 97 | return mp->m_quotainfo->qi_uquotaip; |
8cd4901d | 98 | case XFS_DQTYPE_GROUP: |
4d4d9523 | 99 | return mp->m_quotainfo->qi_gquotaip; |
8cd4901d | 100 | case XFS_DQTYPE_PROJ: |
4d4d9523 | 101 | return mp->m_quotainfo->qi_pquotaip; |
995961c4 CS |
102 | default: |
103 | ASSERT(0); | |
104 | } | |
105 | return NULL; | |
106 | } | |
107 | ||
903b1fc2 DW |
108 | extern void xfs_trans_mod_dquot(struct xfs_trans *tp, struct xfs_dquot *dqp, |
109 | uint field, int64_t delta); | |
113a5683 CS |
110 | extern void xfs_trans_dqjoin(struct xfs_trans *, struct xfs_dquot *); |
111 | extern void xfs_trans_log_dquot(struct xfs_trans *, struct xfs_dquot *); | |
1da177e4 LT |
112 | |
113 | /* | |
92f8ff73 CS |
114 | * We keep the usr, grp, and prj dquots separately so that locking will be |
115 | * easier to do at commit time. All transactions that we know of at this point | |
1da177e4 LT |
116 | * affect no more than two dquots of one type. Hence, the TRANS_MAXDQS value. |
117 | */ | |
0e6436d9 CS |
118 | enum { |
119 | XFS_QM_TRANS_USR = 0, | |
120 | XFS_QM_TRANS_GRP, | |
92f8ff73 | 121 | XFS_QM_TRANS_PRJ, |
0e6436d9 CS |
122 | XFS_QM_TRANS_DQTYPES |
123 | }; | |
1da177e4 | 124 | #define XFS_QM_TRANS_MAXDQS 2 |
0e6436d9 CS |
125 | struct xfs_dquot_acct { |
126 | struct xfs_dqtrx dqs[XFS_QM_TRANS_DQTYPES][XFS_QM_TRANS_MAXDQS]; | |
127 | }; | |
1da177e4 LT |
128 | |
129 | /* | |
130 | * Users are allowed to have a usage exceeding their softlimit for | |
131 | * a period this long. | |
132 | */ | |
133 | #define XFS_QM_BTIMELIMIT (7 * 24*60*60) /* 1 week */ | |
134 | #define XFS_QM_RTBTIMELIMIT (7 * 24*60*60) /* 1 week */ | |
135 | #define XFS_QM_ITIMELIMIT (7 * 24*60*60) /* 1 week */ | |
136 | ||
137 | #define XFS_QM_BWARNLIMIT 5 | |
138 | #define XFS_QM_IWARNLIMIT 5 | |
06d10dd9 | 139 | #define XFS_QM_RTBWARNLIMIT 5 |
1da177e4 | 140 | |
113a5683 | 141 | extern void xfs_qm_destroy_quotainfo(struct xfs_mount *); |
1da177e4 | 142 | |
fcafb71b | 143 | /* quota ops */ |
113a5683 | 144 | extern int xfs_qm_scall_trunc_qfiles(struct xfs_mount *, uint); |
1a7ed271 DW |
145 | extern int xfs_qm_scall_getquota(struct xfs_mount *mp, |
146 | xfs_dqid_t id, | |
147 | xfs_dqtype_t type, | |
148 | struct qc_dqblk *dst); | |
149 | extern int xfs_qm_scall_getquota_next(struct xfs_mount *mp, | |
150 | xfs_dqid_t *id, | |
151 | xfs_dqtype_t type, | |
152 | struct qc_dqblk *dst); | |
153 | extern int xfs_qm_scall_setqlim(struct xfs_mount *mp, | |
154 | xfs_dqid_t id, | |
155 | xfs_dqtype_t type, | |
156 | struct qc_dqblk *newlim); | |
113a5683 CS |
157 | extern int xfs_qm_scall_quotaon(struct xfs_mount *, uint); |
158 | extern int xfs_qm_scall_quotaoff(struct xfs_mount *, uint); | |
fcafb71b | 159 | |
be607946 | 160 | static inline struct xfs_def_quota * |
1a7ed271 | 161 | xfs_get_defquota(struct xfs_quotainfo *qi, xfs_dqtype_t type) |
be607946 | 162 | { |
ce6e7e79 | 163 | switch (type) { |
8cd4901d | 164 | case XFS_DQTYPE_USER: |
ce6e7e79 | 165 | return &qi->qi_usr_default; |
8cd4901d | 166 | case XFS_DQTYPE_GROUP: |
ce6e7e79 | 167 | return &qi->qi_grp_default; |
8cd4901d | 168 | case XFS_DQTYPE_PROJ: |
ce6e7e79 ES |
169 | return &qi->qi_prj_default; |
170 | default: | |
171 | ASSERT(0); | |
172 | return NULL; | |
be607946 | 173 | } |
be607946 CM |
174 | } |
175 | ||
1da177e4 | 176 | #endif /* __XFS_QM_H__ */ |