projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 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" | |
| 06f8e2d6 | 28 | #include "xfs_qm.h" |
| fcafb71b CH |
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 | }; |