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1da177e4 | 1 | /* |
4cd4a034 | 2 | * Copyright (c) 2000-2005 Silicon Graphics, Inc. All Rights Reserved. |
1da177e4 LT |
3 | * |
4 | * This program is free software; you can redistribute it and/or modify it | |
5 | * under the terms of version 2 of the GNU General Public License as | |
6 | * published by the Free Software Foundation. | |
7 | * | |
8 | * This program is distributed in the hope that it would be useful, but | |
9 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. | |
11 | * | |
12 | * Further, this software is distributed without any warranty that it is | |
13 | * free of the rightful claim of any third person regarding infringement | |
14 | * or the like. Any license provided herein, whether implied or | |
15 | * otherwise, applies only to this software file. Patent licenses, if | |
16 | * any, provided herein do not apply to combinations of this program with | |
17 | * other software, or any other product whatsoever. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License along | |
20 | * with this program; if not, write the Free Software Foundation, Inc., 59 | |
21 | * Temple Place - Suite 330, Boston MA 02111-1307, USA. | |
22 | * | |
23 | * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy, | |
24 | * Mountain View, CA 94043, or: | |
25 | * | |
26 | * http://www.sgi.com | |
27 | * | |
28 | * For further information regarding this notice, see: | |
29 | * | |
30 | * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/ | |
31 | */ | |
32 | #include "xfs.h" | |
33 | ||
34 | #include "xfs_macros.h" | |
35 | #include "xfs_types.h" | |
36 | #include "xfs_inum.h" | |
37 | #include "xfs_log.h" | |
38 | #include "xfs_trans.h" | |
39 | #include "xfs_sb.h" | |
40 | #include "xfs_ag.h" | |
41 | #include "xfs_dir.h" | |
42 | #include "xfs_dir2.h" | |
43 | #include "xfs_dmapi.h" | |
44 | #include "xfs_mount.h" | |
4cd4a034 TS |
45 | #include "xfs_quota.h" |
46 | #include "xfs_error.h" | |
1da177e4 LT |
47 | |
48 | STATIC struct xfs_dquot * | |
49 | xfs_dqvopchown_default( | |
50 | struct xfs_trans *tp, | |
51 | struct xfs_inode *ip, | |
52 | struct xfs_dquot **dqp, | |
53 | struct xfs_dquot *dq) | |
54 | { | |
55 | return NULL; | |
56 | } | |
57 | ||
4cd4a034 TS |
58 | /* |
59 | * Clear the quotaflags in memory and in the superblock. | |
60 | */ | |
61 | int | |
62 | xfs_mount_reset_sbqflags(xfs_mount_t *mp) | |
63 | { | |
64 | int error; | |
65 | xfs_trans_t *tp; | |
66 | unsigned long s; | |
67 | ||
68 | mp->m_qflags = 0; | |
69 | /* | |
70 | * It is OK to look at sb_qflags here in mount path, | |
71 | * without SB_LOCK. | |
72 | */ | |
73 | if (mp->m_sb.sb_qflags == 0) | |
74 | return 0; | |
75 | s = XFS_SB_LOCK(mp); | |
76 | mp->m_sb.sb_qflags = 0; | |
77 | XFS_SB_UNLOCK(mp, s); | |
78 | ||
79 | /* | |
80 | * if the fs is readonly, let the incore superblock run | |
81 | * with quotas off but don't flush the update out to disk | |
82 | */ | |
83 | if (XFS_MTOVFS(mp)->vfs_flag & VFS_RDONLY) | |
84 | return 0; | |
85 | #ifdef QUOTADEBUG | |
86 | xfs_fs_cmn_err(CE_NOTE, mp, "Writing superblock quota changes"); | |
87 | #endif | |
88 | tp = xfs_trans_alloc(mp, XFS_TRANS_QM_SBCHANGE); | |
89 | if ((error = xfs_trans_reserve(tp, 0, mp->m_sb.sb_sectsize + 128, 0, 0, | |
90 | XFS_DEFAULT_LOG_COUNT))) { | |
91 | xfs_trans_cancel(tp, 0); | |
92 | xfs_fs_cmn_err(CE_ALERT, mp, | |
93 | "xfs_mount_reset_sbqflags: Superblock update failed!"); | |
94 | return error; | |
95 | } | |
96 | xfs_mod_sb(tp, XFS_SB_QFLAGS); | |
97 | error = xfs_trans_commit(tp, 0, NULL); | |
98 | return error; | |
99 | } | |
100 | ||
101 | STATIC int | |
102 | xfs_noquota_init( | |
103 | xfs_mount_t *mp, | |
104 | uint *needquotamount, | |
105 | uint *quotaflags) | |
106 | { | |
107 | int error = 0; | |
108 | ||
109 | *quotaflags = 0; | |
110 | *needquotamount = B_FALSE; | |
111 | ||
112 | ASSERT(!XFS_IS_QUOTA_ON(mp)); | |
113 | ||
114 | /* | |
115 | * If a file system had quotas running earlier, but decided to | |
116 | * mount without -o uquota/pquota/gquota options, revoke the | |
117 | * quotachecked license. | |
118 | */ | |
119 | if (mp->m_sb.sb_qflags & XFS_ALL_QUOTA_ACCT) { | |
120 | cmn_err(CE_NOTE, | |
121 | "XFS resetting qflags for filesystem %s", | |
122 | mp->m_fsname); | |
123 | ||
124 | error = xfs_mount_reset_sbqflags(mp); | |
125 | } | |
126 | return error; | |
127 | } | |
128 | ||
1da177e4 | 129 | xfs_qmops_t xfs_qmcore_stub = { |
4cd4a034 | 130 | .xfs_qminit = (xfs_qminit_t) xfs_noquota_init, |
1da177e4 LT |
131 | .xfs_qmdone = (xfs_qmdone_t) fs_noerr, |
132 | .xfs_qmmount = (xfs_qmmount_t) fs_noerr, | |
133 | .xfs_qmunmount = (xfs_qmunmount_t) fs_noerr, | |
134 | .xfs_dqrele = (xfs_dqrele_t) fs_noerr, | |
135 | .xfs_dqattach = (xfs_dqattach_t) fs_noerr, | |
136 | .xfs_dqdetach = (xfs_dqdetach_t) fs_noerr, | |
137 | .xfs_dqpurgeall = (xfs_dqpurgeall_t) fs_noerr, | |
138 | .xfs_dqvopalloc = (xfs_dqvopalloc_t) fs_noerr, | |
139 | .xfs_dqvopcreate = (xfs_dqvopcreate_t) fs_noerr, | |
140 | .xfs_dqvoprename = (xfs_dqvoprename_t) fs_noerr, | |
141 | .xfs_dqvopchown = xfs_dqvopchown_default, | |
142 | .xfs_dqvopchownresv = (xfs_dqvopchownresv_t) fs_noerr, | |
143 | }; |