Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
Tim Shimmin | 4cd4a03 | 2005-09-05 08:24:10 +1000 | [diff] [blame] | 2 | * Copyright (c) 2000-2005 Silicon Graphics, Inc. All Rights Reserved. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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" |
Nathan Scott | a844f45 | 2005-11-02 14:38:42 +1100 | [diff] [blame^] | 33 | #include "xfs_fs.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 34 | #include "xfs_types.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 35 | #include "xfs_log.h" |
Nathan Scott | a844f45 | 2005-11-02 14:38:42 +1100 | [diff] [blame^] | 36 | #include "xfs_inum.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 37 | #include "xfs_trans.h" |
| 38 | #include "xfs_sb.h" |
| 39 | #include "xfs_ag.h" |
| 40 | #include "xfs_dir.h" |
| 41 | #include "xfs_dir2.h" |
| 42 | #include "xfs_dmapi.h" |
| 43 | #include "xfs_mount.h" |
Tim Shimmin | 4cd4a03 | 2005-09-05 08:24:10 +1000 | [diff] [blame] | 44 | #include "xfs_quota.h" |
| 45 | #include "xfs_error.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 46 | |
| 47 | STATIC struct xfs_dquot * |
| 48 | xfs_dqvopchown_default( |
| 49 | struct xfs_trans *tp, |
| 50 | struct xfs_inode *ip, |
| 51 | struct xfs_dquot **dqp, |
| 52 | struct xfs_dquot *dq) |
| 53 | { |
| 54 | return NULL; |
| 55 | } |
| 56 | |
Tim Shimmin | 4cd4a03 | 2005-09-05 08:24:10 +1000 | [diff] [blame] | 57 | /* |
| 58 | * Clear the quotaflags in memory and in the superblock. |
| 59 | */ |
| 60 | int |
| 61 | xfs_mount_reset_sbqflags(xfs_mount_t *mp) |
| 62 | { |
| 63 | int error; |
| 64 | xfs_trans_t *tp; |
| 65 | unsigned long s; |
| 66 | |
| 67 | mp->m_qflags = 0; |
| 68 | /* |
| 69 | * It is OK to look at sb_qflags here in mount path, |
| 70 | * without SB_LOCK. |
| 71 | */ |
| 72 | if (mp->m_sb.sb_qflags == 0) |
| 73 | return 0; |
| 74 | s = XFS_SB_LOCK(mp); |
| 75 | mp->m_sb.sb_qflags = 0; |
| 76 | XFS_SB_UNLOCK(mp, s); |
| 77 | |
| 78 | /* |
| 79 | * if the fs is readonly, let the incore superblock run |
| 80 | * with quotas off but don't flush the update out to disk |
| 81 | */ |
| 82 | if (XFS_MTOVFS(mp)->vfs_flag & VFS_RDONLY) |
| 83 | return 0; |
| 84 | #ifdef QUOTADEBUG |
| 85 | xfs_fs_cmn_err(CE_NOTE, mp, "Writing superblock quota changes"); |
| 86 | #endif |
| 87 | tp = xfs_trans_alloc(mp, XFS_TRANS_QM_SBCHANGE); |
| 88 | if ((error = xfs_trans_reserve(tp, 0, mp->m_sb.sb_sectsize + 128, 0, 0, |
| 89 | XFS_DEFAULT_LOG_COUNT))) { |
| 90 | xfs_trans_cancel(tp, 0); |
| 91 | xfs_fs_cmn_err(CE_ALERT, mp, |
| 92 | "xfs_mount_reset_sbqflags: Superblock update failed!"); |
| 93 | return error; |
| 94 | } |
| 95 | xfs_mod_sb(tp, XFS_SB_QFLAGS); |
| 96 | error = xfs_trans_commit(tp, 0, NULL); |
| 97 | return error; |
| 98 | } |
| 99 | |
| 100 | STATIC int |
| 101 | xfs_noquota_init( |
| 102 | xfs_mount_t *mp, |
| 103 | uint *needquotamount, |
| 104 | uint *quotaflags) |
| 105 | { |
| 106 | int error = 0; |
| 107 | |
| 108 | *quotaflags = 0; |
| 109 | *needquotamount = B_FALSE; |
| 110 | |
| 111 | ASSERT(!XFS_IS_QUOTA_ON(mp)); |
| 112 | |
| 113 | /* |
| 114 | * If a file system had quotas running earlier, but decided to |
| 115 | * mount without -o uquota/pquota/gquota options, revoke the |
| 116 | * quotachecked license. |
| 117 | */ |
| 118 | if (mp->m_sb.sb_qflags & XFS_ALL_QUOTA_ACCT) { |
| 119 | cmn_err(CE_NOTE, |
| 120 | "XFS resetting qflags for filesystem %s", |
| 121 | mp->m_fsname); |
| 122 | |
| 123 | error = xfs_mount_reset_sbqflags(mp); |
| 124 | } |
| 125 | return error; |
| 126 | } |
| 127 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 128 | xfs_qmops_t xfs_qmcore_stub = { |
Tim Shimmin | 4cd4a03 | 2005-09-05 08:24:10 +1000 | [diff] [blame] | 129 | .xfs_qminit = (xfs_qminit_t) xfs_noquota_init, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 130 | .xfs_qmdone = (xfs_qmdone_t) fs_noerr, |
| 131 | .xfs_qmmount = (xfs_qmmount_t) fs_noerr, |
| 132 | .xfs_qmunmount = (xfs_qmunmount_t) fs_noerr, |
| 133 | .xfs_dqrele = (xfs_dqrele_t) fs_noerr, |
| 134 | .xfs_dqattach = (xfs_dqattach_t) fs_noerr, |
| 135 | .xfs_dqdetach = (xfs_dqdetach_t) fs_noerr, |
| 136 | .xfs_dqpurgeall = (xfs_dqpurgeall_t) fs_noerr, |
| 137 | .xfs_dqvopalloc = (xfs_dqvopalloc_t) fs_noerr, |
| 138 | .xfs_dqvopcreate = (xfs_dqvopcreate_t) fs_noerr, |
| 139 | .xfs_dqvoprename = (xfs_dqvoprename_t) fs_noerr, |
| 140 | .xfs_dqvopchown = xfs_dqvopchown_default, |
| 141 | .xfs_dqvopchownresv = (xfs_dqvopchownresv_t) fs_noerr, |
| 142 | }; |