Commit | Line | Data |
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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" | |
6ca1c906 | 19 | #include "xfs_format.h" |
239880ef | 20 | #include "xfs_log_format.h" |
7fd36c44 | 21 | #include "xfs_trans_resv.h" |
fcafb71b | 22 | #include "xfs_mount.h" |
a4fbe6ab | 23 | #include "xfs_inode.h" |
fcafb71b | 24 | #include "xfs_quota.h" |
fcafb71b | 25 | #include "xfs_trans.h" |
06f8e2d6 | 26 | #include "xfs_qm.h" |
fcafb71b CH |
27 | #include <linux/quota.h> |
28 | ||
29 | ||
30 | STATIC int | |
31 | xfs_quota_type(int type) | |
32 | { | |
33 | switch (type) { | |
34 | case USRQUOTA: | |
35 | return XFS_DQ_USER; | |
36 | case GRPQUOTA: | |
37 | return XFS_DQ_GROUP; | |
38 | default: | |
39 | return XFS_DQ_PROJ; | |
40 | } | |
41 | } | |
42 | ||
fcafb71b CH |
43 | STATIC int |
44 | xfs_fs_get_xstate( | |
45 | struct super_block *sb, | |
46 | struct fs_quota_stat *fqs) | |
47 | { | |
48 | struct xfs_mount *mp = XFS_M(sb); | |
49 | ||
50 | if (!XFS_IS_QUOTA_RUNNING(mp)) | |
51 | return -ENOSYS; | |
2451337d | 52 | return xfs_qm_scall_getqstat(mp, fqs); |
fcafb71b CH |
53 | } |
54 | ||
5d5e3d57 CS |
55 | STATIC int |
56 | xfs_fs_get_xstatev( | |
57 | struct super_block *sb, | |
58 | struct fs_quota_statv *fqs) | |
59 | { | |
60 | struct xfs_mount *mp = XFS_M(sb); | |
61 | ||
62 | if (!XFS_IS_QUOTA_RUNNING(mp)) | |
63 | return -ENOSYS; | |
2451337d | 64 | return xfs_qm_scall_getqstatv(mp, fqs); |
5d5e3d57 CS |
65 | } |
66 | ||
38e478c4 JK |
67 | static unsigned int |
68 | xfs_quota_flags(unsigned int uflags) | |
fcafb71b | 69 | { |
38e478c4 | 70 | unsigned int flags = 0; |
fcafb71b | 71 | |
ade7ce31 | 72 | if (uflags & FS_QUOTA_UDQ_ACCT) |
fcafb71b | 73 | flags |= XFS_UQUOTA_ACCT; |
ade7ce31 | 74 | if (uflags & FS_QUOTA_PDQ_ACCT) |
fcafb71b | 75 | flags |= XFS_PQUOTA_ACCT; |
ade7ce31 | 76 | if (uflags & FS_QUOTA_GDQ_ACCT) |
fcafb71b | 77 | flags |= XFS_GQUOTA_ACCT; |
ade7ce31 | 78 | if (uflags & FS_QUOTA_UDQ_ENFD) |
fcafb71b | 79 | flags |= XFS_UQUOTA_ENFD; |
83e782e1 CS |
80 | if (uflags & FS_QUOTA_GDQ_ENFD) |
81 | flags |= XFS_GQUOTA_ENFD; | |
82 | if (uflags & FS_QUOTA_PDQ_ENFD) | |
83 | flags |= XFS_PQUOTA_ENFD; | |
fcafb71b | 84 | |
38e478c4 JK |
85 | return flags; |
86 | } | |
87 | ||
88 | STATIC int | |
89 | xfs_quota_enable( | |
90 | struct super_block *sb, | |
91 | unsigned int uflags) | |
92 | { | |
93 | struct xfs_mount *mp = XFS_M(sb); | |
94 | ||
95 | if (sb->s_flags & MS_RDONLY) | |
96 | return -EROFS; | |
97 | if (!XFS_IS_QUOTA_RUNNING(mp)) | |
98 | return -ENOSYS; | |
99 | ||
100 | return xfs_qm_scall_quotaon(mp, xfs_quota_flags(uflags)); | |
101 | } | |
102 | ||
103 | STATIC int | |
104 | xfs_quota_disable( | |
105 | struct super_block *sb, | |
106 | unsigned int uflags) | |
107 | { | |
108 | struct xfs_mount *mp = XFS_M(sb); | |
109 | ||
110 | if (sb->s_flags & MS_RDONLY) | |
111 | return -EROFS; | |
112 | if (!XFS_IS_QUOTA_RUNNING(mp)) | |
113 | return -ENOSYS; | |
114 | if (!XFS_IS_QUOTA_ON(mp)) | |
115 | return -EINVAL; | |
fcafb71b | 116 | |
38e478c4 | 117 | return xfs_qm_scall_quotaoff(mp, xfs_quota_flags(uflags)); |
fcafb71b CH |
118 | } |
119 | ||
9da93f9b ES |
120 | STATIC int |
121 | xfs_fs_rm_xquota( | |
122 | struct super_block *sb, | |
123 | unsigned int uflags) | |
124 | { | |
125 | struct xfs_mount *mp = XFS_M(sb); | |
126 | unsigned int flags = 0; | |
2451337d | 127 | |
9da93f9b ES |
128 | if (sb->s_flags & MS_RDONLY) |
129 | return -EROFS; | |
130 | ||
131 | if (XFS_IS_QUOTA_ON(mp)) | |
132 | return -EINVAL; | |
133 | ||
134 | if (uflags & FS_USER_QUOTA) | |
135 | flags |= XFS_DQ_USER; | |
136 | if (uflags & FS_GROUP_QUOTA) | |
137 | flags |= XFS_DQ_GROUP; | |
74dc93a9 | 138 | if (uflags & FS_PROJ_QUOTA) |
9da93f9b ES |
139 | flags |= XFS_DQ_PROJ; |
140 | ||
2451337d DC |
141 | return xfs_qm_scall_trunc_qfiles(mp, flags); |
142 | } | |
9da93f9b | 143 | |
fcafb71b | 144 | STATIC int |
b9b2dd36 | 145 | xfs_fs_get_dqblk( |
fcafb71b | 146 | struct super_block *sb, |
74a8a103 | 147 | struct kqid qid, |
14bf61ff | 148 | struct qc_dqblk *qdq) |
fcafb71b CH |
149 | { |
150 | struct xfs_mount *mp = XFS_M(sb); | |
151 | ||
152 | if (!XFS_IS_QUOTA_RUNNING(mp)) | |
153 | return -ENOSYS; | |
154 | if (!XFS_IS_QUOTA_ON(mp)) | |
155 | return -ESRCH; | |
156 | ||
2451337d | 157 | return xfs_qm_scall_getquota(mp, from_kqid(&init_user_ns, qid), |
14bf61ff | 158 | xfs_quota_type(qid.type), qdq); |
fcafb71b CH |
159 | } |
160 | ||
161 | STATIC int | |
c472b432 | 162 | xfs_fs_set_dqblk( |
fcafb71b | 163 | struct super_block *sb, |
74a8a103 | 164 | struct kqid qid, |
14bf61ff | 165 | struct qc_dqblk *qdq) |
fcafb71b CH |
166 | { |
167 | struct xfs_mount *mp = XFS_M(sb); | |
168 | ||
169 | if (sb->s_flags & MS_RDONLY) | |
170 | return -EROFS; | |
171 | if (!XFS_IS_QUOTA_RUNNING(mp)) | |
172 | return -ENOSYS; | |
173 | if (!XFS_IS_QUOTA_ON(mp)) | |
174 | return -ESRCH; | |
fcafb71b | 175 | |
2451337d | 176 | return xfs_qm_scall_setqlim(mp, from_kqid(&init_user_ns, qid), |
14bf61ff | 177 | xfs_quota_type(qid.type), qdq); |
fcafb71b CH |
178 | } |
179 | ||
0d54b217 | 180 | const struct quotactl_ops xfs_quotactl_operations = { |
5d5e3d57 | 181 | .get_xstatev = xfs_fs_get_xstatev, |
fcafb71b | 182 | .get_xstate = xfs_fs_get_xstate, |
38e478c4 JK |
183 | .quota_enable = xfs_quota_enable, |
184 | .quota_disable = xfs_quota_disable, | |
9da93f9b | 185 | .rm_xquota = xfs_fs_rm_xquota, |
b9b2dd36 | 186 | .get_dqblk = xfs_fs_get_dqblk, |
c472b432 | 187 | .set_dqblk = xfs_fs_set_dqblk, |
fcafb71b | 188 | }; |