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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" | |
fcafb71b CH |
19 | #include "xfs_sb.h" |
20 | #include "xfs_inum.h" | |
ed3b4d6c | 21 | #include "xfs_log.h" |
fcafb71b CH |
22 | #include "xfs_ag.h" |
23 | #include "xfs_mount.h" | |
24 | #include "xfs_quota.h" | |
fcafb71b CH |
25 | #include "xfs_trans.h" |
26 | #include "xfs_bmap_btree.h" | |
27 | #include "xfs_inode.h" | |
28 | #include "quota/xfs_qm.h" | |
29 | #include <linux/quota.h> | |
30 | ||
31 | ||
32 | STATIC int | |
33 | xfs_quota_type(int type) | |
34 | { | |
35 | switch (type) { | |
36 | case USRQUOTA: | |
37 | return XFS_DQ_USER; | |
38 | case GRPQUOTA: | |
39 | return XFS_DQ_GROUP; | |
40 | default: | |
41 | return XFS_DQ_PROJ; | |
42 | } | |
43 | } | |
44 | ||
fcafb71b CH |
45 | STATIC int |
46 | xfs_fs_get_xstate( | |
47 | struct super_block *sb, | |
48 | struct fs_quota_stat *fqs) | |
49 | { | |
50 | struct xfs_mount *mp = XFS_M(sb); | |
51 | ||
52 | if (!XFS_IS_QUOTA_RUNNING(mp)) | |
53 | return -ENOSYS; | |
54 | return -xfs_qm_scall_getqstat(mp, fqs); | |
55 | } | |
56 | ||
57 | STATIC int | |
58 | xfs_fs_set_xstate( | |
59 | struct super_block *sb, | |
60 | unsigned int uflags, | |
61 | int op) | |
62 | { | |
63 | struct xfs_mount *mp = XFS_M(sb); | |
64 | unsigned int flags = 0; | |
65 | ||
66 | if (sb->s_flags & MS_RDONLY) | |
67 | return -EROFS; | |
c7ff91d7 | 68 | if (op != Q_XQUOTARM && !XFS_IS_QUOTA_RUNNING(mp)) |
fcafb71b | 69 | return -ENOSYS; |
fcafb71b | 70 | |
ade7ce31 | 71 | if (uflags & FS_QUOTA_UDQ_ACCT) |
fcafb71b | 72 | flags |= XFS_UQUOTA_ACCT; |
ade7ce31 | 73 | if (uflags & FS_QUOTA_PDQ_ACCT) |
fcafb71b | 74 | flags |= XFS_PQUOTA_ACCT; |
ade7ce31 | 75 | if (uflags & FS_QUOTA_GDQ_ACCT) |
fcafb71b | 76 | flags |= XFS_GQUOTA_ACCT; |
ade7ce31 | 77 | if (uflags & FS_QUOTA_UDQ_ENFD) |
fcafb71b | 78 | flags |= XFS_UQUOTA_ENFD; |
ade7ce31 | 79 | if (uflags & (FS_QUOTA_PDQ_ENFD|FS_QUOTA_GDQ_ENFD)) |
fcafb71b CH |
80 | flags |= XFS_OQUOTA_ENFD; |
81 | ||
82 | switch (op) { | |
83 | case Q_XQUOTAON: | |
84 | return -xfs_qm_scall_quotaon(mp, flags); | |
85 | case Q_XQUOTAOFF: | |
86 | if (!XFS_IS_QUOTA_ON(mp)) | |
87 | return -EINVAL; | |
88 | return -xfs_qm_scall_quotaoff(mp, flags); | |
89 | case Q_XQUOTARM: | |
90 | if (XFS_IS_QUOTA_ON(mp)) | |
91 | return -EINVAL; | |
92 | return -xfs_qm_scall_trunc_qfiles(mp, flags); | |
93 | } | |
94 | ||
95 | return -EINVAL; | |
96 | } | |
97 | ||
98 | STATIC int | |
b9b2dd36 | 99 | xfs_fs_get_dqblk( |
fcafb71b CH |
100 | struct super_block *sb, |
101 | int type, | |
102 | qid_t id, | |
103 | struct fs_disk_quota *fdq) | |
104 | { | |
105 | struct xfs_mount *mp = XFS_M(sb); | |
106 | ||
107 | if (!XFS_IS_QUOTA_RUNNING(mp)) | |
108 | return -ENOSYS; | |
109 | if (!XFS_IS_QUOTA_ON(mp)) | |
110 | return -ESRCH; | |
111 | ||
112 | return -xfs_qm_scall_getquota(mp, id, xfs_quota_type(type), fdq); | |
113 | } | |
114 | ||
115 | STATIC int | |
c472b432 | 116 | xfs_fs_set_dqblk( |
fcafb71b CH |
117 | struct super_block *sb, |
118 | int type, | |
119 | qid_t id, | |
120 | struct fs_disk_quota *fdq) | |
121 | { | |
122 | struct xfs_mount *mp = XFS_M(sb); | |
123 | ||
124 | if (sb->s_flags & MS_RDONLY) | |
125 | return -EROFS; | |
126 | if (!XFS_IS_QUOTA_RUNNING(mp)) | |
127 | return -ENOSYS; | |
128 | if (!XFS_IS_QUOTA_ON(mp)) | |
129 | return -ESRCH; | |
fcafb71b CH |
130 | |
131 | return -xfs_qm_scall_setqlim(mp, id, xfs_quota_type(type), fdq); | |
132 | } | |
133 | ||
0d54b217 | 134 | const struct quotactl_ops xfs_quotactl_operations = { |
fcafb71b CH |
135 | .get_xstate = xfs_fs_get_xstate, |
136 | .set_xstate = xfs_fs_set_xstate, | |
b9b2dd36 | 137 | .get_dqblk = xfs_fs_get_dqblk, |
c472b432 | 138 | .set_dqblk = xfs_fs_set_dqblk, |
fcafb71b | 139 | }; |