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fcafb71b CH |
1 | /* |
2 | * Copyright (c) 2008, Christoph Hellwig | |
3 | * All Rights Reserved. | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or | |
6 | * modify it under the terms of the GNU General Public License as | |
7 | * published by the Free Software Foundation. | |
8 | * | |
9 | * 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. | |
13 | * | |
14 | * 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 | |
17 | */ | |
18 | #include "xfs.h" | |
19 | #include "xfs_dmapi.h" | |
20 | #include "xfs_sb.h" | |
21 | #include "xfs_inum.h" | |
22 | #include "xfs_ag.h" | |
23 | #include "xfs_mount.h" | |
24 | #include "xfs_quota.h" | |
25 | #include "xfs_log.h" | |
26 | #include "xfs_trans.h" | |
27 | #include "xfs_bmap_btree.h" | |
28 | #include "xfs_inode.h" | |
29 | #include "quota/xfs_qm.h" | |
30 | #include <linux/quota.h> | |
31 | ||
32 | ||
33 | STATIC int | |
34 | xfs_quota_type(int type) | |
35 | { | |
36 | switch (type) { | |
37 | case USRQUOTA: | |
38 | return XFS_DQ_USER; | |
39 | case GRPQUOTA: | |
40 | return XFS_DQ_GROUP; | |
41 | default: | |
42 | return XFS_DQ_PROJ; | |
43 | } | |
44 | } | |
45 | ||
fcafb71b CH |
46 | STATIC int |
47 | xfs_fs_get_xstate( | |
48 | struct super_block *sb, | |
49 | struct fs_quota_stat *fqs) | |
50 | { | |
51 | struct xfs_mount *mp = XFS_M(sb); | |
52 | ||
53 | if (!XFS_IS_QUOTA_RUNNING(mp)) | |
54 | return -ENOSYS; | |
55 | return -xfs_qm_scall_getqstat(mp, fqs); | |
56 | } | |
57 | ||
58 | STATIC int | |
59 | xfs_fs_set_xstate( | |
60 | struct super_block *sb, | |
61 | unsigned int uflags, | |
62 | int op) | |
63 | { | |
64 | struct xfs_mount *mp = XFS_M(sb); | |
65 | unsigned int flags = 0; | |
66 | ||
67 | if (sb->s_flags & MS_RDONLY) | |
68 | return -EROFS; | |
c7ff91d7 | 69 | if (op != Q_XQUOTARM && !XFS_IS_QUOTA_RUNNING(mp)) |
fcafb71b | 70 | return -ENOSYS; |
fcafb71b CH |
71 | |
72 | if (uflags & XFS_QUOTA_UDQ_ACCT) | |
73 | flags |= XFS_UQUOTA_ACCT; | |
74 | if (uflags & XFS_QUOTA_PDQ_ACCT) | |
75 | flags |= XFS_PQUOTA_ACCT; | |
76 | if (uflags & XFS_QUOTA_GDQ_ACCT) | |
77 | flags |= XFS_GQUOTA_ACCT; | |
78 | if (uflags & XFS_QUOTA_UDQ_ENFD) | |
79 | flags |= XFS_UQUOTA_ENFD; | |
80 | if (uflags & (XFS_QUOTA_PDQ_ENFD|XFS_QUOTA_GDQ_ENFD)) | |
81 | flags |= XFS_OQUOTA_ENFD; | |
82 | ||
83 | switch (op) { | |
84 | case Q_XQUOTAON: | |
85 | return -xfs_qm_scall_quotaon(mp, flags); | |
86 | case Q_XQUOTAOFF: | |
87 | if (!XFS_IS_QUOTA_ON(mp)) | |
88 | return -EINVAL; | |
89 | return -xfs_qm_scall_quotaoff(mp, flags); | |
90 | case Q_XQUOTARM: | |
91 | if (XFS_IS_QUOTA_ON(mp)) | |
92 | return -EINVAL; | |
93 | return -xfs_qm_scall_trunc_qfiles(mp, flags); | |
94 | } | |
95 | ||
96 | return -EINVAL; | |
97 | } | |
98 | ||
99 | STATIC int | |
b9b2dd36 | 100 | xfs_fs_get_dqblk( |
fcafb71b CH |
101 | struct super_block *sb, |
102 | int type, | |
103 | qid_t id, | |
104 | struct fs_disk_quota *fdq) | |
105 | { | |
106 | struct xfs_mount *mp = XFS_M(sb); | |
107 | ||
108 | if (!XFS_IS_QUOTA_RUNNING(mp)) | |
109 | return -ENOSYS; | |
110 | if (!XFS_IS_QUOTA_ON(mp)) | |
111 | return -ESRCH; | |
112 | ||
113 | return -xfs_qm_scall_getquota(mp, id, xfs_quota_type(type), fdq); | |
114 | } | |
115 | ||
116 | STATIC int | |
117 | xfs_fs_set_xquota( | |
118 | struct super_block *sb, | |
119 | int type, | |
120 | qid_t id, | |
121 | struct fs_disk_quota *fdq) | |
122 | { | |
123 | struct xfs_mount *mp = XFS_M(sb); | |
124 | ||
125 | if (sb->s_flags & MS_RDONLY) | |
126 | return -EROFS; | |
127 | if (!XFS_IS_QUOTA_RUNNING(mp)) | |
128 | return -ENOSYS; | |
129 | if (!XFS_IS_QUOTA_ON(mp)) | |
130 | return -ESRCH; | |
fcafb71b CH |
131 | |
132 | return -xfs_qm_scall_setqlim(mp, id, xfs_quota_type(type), fdq); | |
133 | } | |
134 | ||
0d54b217 | 135 | const struct quotactl_ops xfs_quotactl_operations = { |
fcafb71b CH |
136 | .get_xstate = xfs_fs_get_xstate, |
137 | .set_xstate = xfs_fs_set_xstate, | |
b9b2dd36 | 138 | .get_dqblk = xfs_fs_get_dqblk, |
fcafb71b CH |
139 | .set_xquota = xfs_fs_set_xquota, |
140 | }; |