Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
Nathan Scott | 4ce3121 | 2005-11-02 14:59:41 +1100 | [diff] [blame] | 2 | * Copyright (c) 2000-2005 Silicon Graphics, Inc. |
| 3 | * All Rights Reserved. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4 | * |
Nathan Scott | 4ce3121 | 2005-11-02 14:59:41 +1100 | [diff] [blame] | 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 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7 | * published by the Free Software Foundation. |
| 8 | * |
Nathan Scott | 4ce3121 | 2005-11-02 14:59:41 +1100 | [diff] [blame] | 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. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 13 | * |
Nathan Scott | 4ce3121 | 2005-11-02 14:59:41 +1100 | [diff] [blame] | 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 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 17 | */ |
Randy Dunlap | 16f7e0f | 2006-01-11 12:17:46 -0800 | [diff] [blame] | 18 | |
| 19 | #include <linux/capability.h> |
| 20 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 21 | #include "xfs.h" |
| 22 | #include "xfs_fs.h" |
Nathan Scott | a844f45 | 2005-11-02 14:38:42 +1100 | [diff] [blame] | 23 | #include "xfs_bit.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 24 | #include "xfs_log.h" |
| 25 | #include "xfs_trans.h" |
| 26 | #include "xfs_sb.h" |
Nathan Scott | a844f45 | 2005-11-02 14:38:42 +1100 | [diff] [blame] | 27 | #include "xfs_ag.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 28 | #include "xfs_alloc.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 29 | #include "xfs_quota.h" |
| 30 | #include "xfs_mount.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 31 | #include "xfs_bmap_btree.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 32 | #include "xfs_inode.h" |
Christoph Hellwig | 673e8e5 | 2011-12-18 20:00:04 +0000 | [diff] [blame] | 33 | #include "xfs_inode_item.h" |
Nathan Scott | a844f45 | 2005-11-02 14:38:42 +1100 | [diff] [blame] | 34 | #include "xfs_itable.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 35 | #include "xfs_bmap.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 36 | #include "xfs_rtalloc.h" |
| 37 | #include "xfs_error.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 38 | #include "xfs_attr.h" |
| 39 | #include "xfs_buf_item.h" |
| 40 | #include "xfs_utils.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 41 | #include "xfs_qm.h" |
Christoph Hellwig | 0b1b213 | 2009-12-14 23:14:59 +0000 | [diff] [blame] | 42 | #include "xfs_trace.h" |
Dave Chinner | 6d8b79c | 2012-10-08 21:56:09 +1100 | [diff] [blame] | 43 | #include "xfs_icache.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 44 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 45 | STATIC int xfs_qm_log_quotaoff(xfs_mount_t *, xfs_qoff_logitem_t **, uint); |
| 46 | STATIC int xfs_qm_log_quotaoff_end(xfs_mount_t *, xfs_qoff_logitem_t *, |
| 47 | uint); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 48 | STATIC uint xfs_qm_export_flags(uint); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 49 | STATIC uint xfs_qm_export_qtype_flags(uint); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 50 | |
| 51 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 52 | * Turn off quota accounting and/or enforcement for all udquots and/or |
| 53 | * gdquots. Called only at unmount time. |
| 54 | * |
| 55 | * This assumes that there are no dquots of this file system cached |
| 56 | * incore, and modifies the ondisk dquot directly. Therefore, for example, |
| 57 | * it is an error to call this twice, without purging the cache. |
| 58 | */ |
Christoph Hellwig | fcafb71 | 2009-02-09 08:47:34 +0100 | [diff] [blame] | 59 | int |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 60 | xfs_qm_scall_quotaoff( |
| 61 | xfs_mount_t *mp, |
Christoph Hellwig | fcafb71 | 2009-02-09 08:47:34 +0100 | [diff] [blame] | 62 | uint flags) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 63 | { |
Christoph Hellwig | 8a7b8a8 | 2010-04-20 17:01:30 +1000 | [diff] [blame] | 64 | struct xfs_quotainfo *q = mp->m_quotainfo; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 65 | uint dqtype; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 66 | int error; |
| 67 | uint inactivate_flags; |
| 68 | xfs_qoff_logitem_t *qoffstart; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 69 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 70 | /* |
| 71 | * No file system can have quotas enabled on disk but not in core. |
| 72 | * Note that quota utilities (like quotaoff) _expect_ |
| 73 | * errno == EEXIST here. |
| 74 | */ |
| 75 | if ((mp->m_qflags & flags) == 0) |
| 76 | return XFS_ERROR(EEXIST); |
| 77 | error = 0; |
| 78 | |
| 79 | flags &= (XFS_ALL_QUOTA_ACCT | XFS_ALL_QUOTA_ENFD); |
| 80 | |
| 81 | /* |
| 82 | * We don't want to deal with two quotaoffs messing up each other, |
| 83 | * so we're going to serialize it. quotaoff isn't exactly a performance |
| 84 | * critical thing. |
| 85 | * If quotaoff, then we must be dealing with the root filesystem. |
| 86 | */ |
Christoph Hellwig | 8a7b8a8 | 2010-04-20 17:01:30 +1000 | [diff] [blame] | 87 | ASSERT(q); |
| 88 | mutex_lock(&q->qi_quotaofflock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 89 | |
| 90 | /* |
| 91 | * If we're just turning off quota enforcement, change mp and go. |
| 92 | */ |
| 93 | if ((flags & XFS_ALL_QUOTA_ACCT) == 0) { |
| 94 | mp->m_qflags &= ~(flags); |
| 95 | |
Eric Sandeen | 3685c2a | 2007-10-11 17:42:32 +1000 | [diff] [blame] | 96 | spin_lock(&mp->m_sb_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 97 | mp->m_sb.sb_qflags = mp->m_qflags; |
Eric Sandeen | 3685c2a | 2007-10-11 17:42:32 +1000 | [diff] [blame] | 98 | spin_unlock(&mp->m_sb_lock); |
Christoph Hellwig | 8a7b8a8 | 2010-04-20 17:01:30 +1000 | [diff] [blame] | 99 | mutex_unlock(&q->qi_quotaofflock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 100 | |
| 101 | /* XXX what to do if error ? Revert back to old vals incore ? */ |
| 102 | error = xfs_qm_write_sb_changes(mp, XFS_SB_QFLAGS); |
| 103 | return (error); |
| 104 | } |
| 105 | |
| 106 | dqtype = 0; |
| 107 | inactivate_flags = 0; |
| 108 | /* |
| 109 | * If accounting is off, we must turn enforcement off, clear the |
| 110 | * quota 'CHKD' certificate to make it known that we have to |
| 111 | * do a quotacheck the next time this quota is turned on. |
| 112 | */ |
| 113 | if (flags & XFS_UQUOTA_ACCT) { |
| 114 | dqtype |= XFS_QMOPT_UQUOTA; |
| 115 | flags |= (XFS_UQUOTA_CHKD | XFS_UQUOTA_ENFD); |
| 116 | inactivate_flags |= XFS_UQUOTA_ACTIVE; |
| 117 | } |
| 118 | if (flags & XFS_GQUOTA_ACCT) { |
| 119 | dqtype |= XFS_QMOPT_GQUOTA; |
Nathan Scott | c8ad20f | 2005-06-21 15:38:48 +1000 | [diff] [blame] | 120 | flags |= (XFS_OQUOTA_CHKD | XFS_OQUOTA_ENFD); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 121 | inactivate_flags |= XFS_GQUOTA_ACTIVE; |
Nathan Scott | c8ad20f | 2005-06-21 15:38:48 +1000 | [diff] [blame] | 122 | } else if (flags & XFS_PQUOTA_ACCT) { |
| 123 | dqtype |= XFS_QMOPT_PQUOTA; |
| 124 | flags |= (XFS_OQUOTA_CHKD | XFS_OQUOTA_ENFD); |
| 125 | inactivate_flags |= XFS_PQUOTA_ACTIVE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 126 | } |
| 127 | |
| 128 | /* |
| 129 | * Nothing to do? Don't complain. This happens when we're just |
| 130 | * turning off quota enforcement. |
| 131 | */ |
Christoph Hellwig | 8a7b8a8 | 2010-04-20 17:01:30 +1000 | [diff] [blame] | 132 | if ((mp->m_qflags & flags) == 0) |
| 133 | goto out_unlock; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 134 | |
| 135 | /* |
| 136 | * Write the LI_QUOTAOFF log record, and do SB changes atomically, |
David Chinner | cb6edc2 | 2008-04-10 12:20:45 +1000 | [diff] [blame] | 137 | * and synchronously. If we fail to write, we should abort the |
| 138 | * operation as it cannot be recovered safely if we crash. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 139 | */ |
David Chinner | cb6edc2 | 2008-04-10 12:20:45 +1000 | [diff] [blame] | 140 | error = xfs_qm_log_quotaoff(mp, &qoffstart, flags); |
| 141 | if (error) |
Christoph Hellwig | 8a7b8a8 | 2010-04-20 17:01:30 +1000 | [diff] [blame] | 142 | goto out_unlock; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 143 | |
| 144 | /* |
| 145 | * Next we clear the XFS_MOUNT_*DQ_ACTIVE bit(s) in the mount struct |
| 146 | * to take care of the race between dqget and quotaoff. We don't take |
| 147 | * any special locks to reset these bits. All processes need to check |
| 148 | * these bits *after* taking inode lock(s) to see if the particular |
| 149 | * quota type is in the process of being turned off. If *ACTIVE, it is |
| 150 | * guaranteed that all dquot structures and all quotainode ptrs will all |
| 151 | * stay valid as long as that inode is kept locked. |
| 152 | * |
| 153 | * There is no turning back after this. |
| 154 | */ |
| 155 | mp->m_qflags &= ~inactivate_flags; |
| 156 | |
| 157 | /* |
| 158 | * Give back all the dquot reference(s) held by inodes. |
| 159 | * Here we go thru every single incore inode in this file system, and |
| 160 | * do a dqrele on the i_udquot/i_gdquot that it may have. |
| 161 | * Essentially, as long as somebody has an inode locked, this guarantees |
| 162 | * that quotas will not be turned off. This is handy because in a |
| 163 | * transaction once we lock the inode(s) and check for quotaon, we can |
| 164 | * depend on the quota inodes (and other things) being valid as long as |
| 165 | * we keep the lock(s). |
| 166 | */ |
| 167 | xfs_qm_dqrele_all_inodes(mp, flags); |
| 168 | |
| 169 | /* |
| 170 | * Next we make the changes in the quota flag in the mount struct. |
| 171 | * This isn't protected by a particular lock directly, because we |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 172 | * don't want to take a mrlock every time we depend on quotas being on. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 173 | */ |
Christoph Hellwig | b84a3a9 | 2012-03-14 11:53:34 -0500 | [diff] [blame] | 174 | mp->m_qflags &= ~flags; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 175 | |
| 176 | /* |
| 177 | * Go through all the dquots of this file system and purge them, |
Christoph Hellwig | b84a3a9 | 2012-03-14 11:53:34 -0500 | [diff] [blame] | 178 | * according to what was turned off. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 179 | */ |
Christoph Hellwig | b84a3a9 | 2012-03-14 11:53:34 -0500 | [diff] [blame] | 180 | xfs_qm_dqpurge_all(mp, dqtype); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 181 | |
| 182 | /* |
| 183 | * Transactions that had started before ACTIVE state bit was cleared |
| 184 | * could have logged many dquots, so they'd have higher LSNs than |
| 185 | * the first QUOTAOFF log record does. If we happen to crash when |
| 186 | * the tail of the log has gone past the QUOTAOFF record, but |
| 187 | * before the last dquot modification, those dquots __will__ |
| 188 | * recover, and that's not good. |
| 189 | * |
| 190 | * So, we have QUOTAOFF start and end logitems; the start |
| 191 | * logitem won't get overwritten until the end logitem appears... |
| 192 | */ |
David Chinner | cb6edc2 | 2008-04-10 12:20:45 +1000 | [diff] [blame] | 193 | error = xfs_qm_log_quotaoff_end(mp, qoffstart, flags); |
| 194 | if (error) { |
| 195 | /* We're screwed now. Shutdown is the only option. */ |
| 196 | xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE); |
Christoph Hellwig | 8a7b8a8 | 2010-04-20 17:01:30 +1000 | [diff] [blame] | 197 | goto out_unlock; |
David Chinner | cb6edc2 | 2008-04-10 12:20:45 +1000 | [diff] [blame] | 198 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 199 | |
| 200 | /* |
| 201 | * If quotas is completely disabled, close shop. |
| 202 | */ |
Nathan Scott | c8ad20f | 2005-06-21 15:38:48 +1000 | [diff] [blame] | 203 | if (((flags & XFS_MOUNT_QUOTA_ALL) == XFS_MOUNT_QUOTA_SET1) || |
| 204 | ((flags & XFS_MOUNT_QUOTA_ALL) == XFS_MOUNT_QUOTA_SET2)) { |
Christoph Hellwig | 8a7b8a8 | 2010-04-20 17:01:30 +1000 | [diff] [blame] | 205 | mutex_unlock(&q->qi_quotaofflock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 206 | xfs_qm_destroy_quotainfo(mp); |
| 207 | return (0); |
| 208 | } |
| 209 | |
| 210 | /* |
Christoph Hellwig | 8a7b8a8 | 2010-04-20 17:01:30 +1000 | [diff] [blame] | 211 | * Release our quotainode references if we don't need them anymore. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 212 | */ |
Christoph Hellwig | 8a7b8a8 | 2010-04-20 17:01:30 +1000 | [diff] [blame] | 213 | if ((dqtype & XFS_QMOPT_UQUOTA) && q->qi_uquotaip) { |
| 214 | IRELE(q->qi_uquotaip); |
| 215 | q->qi_uquotaip = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 216 | } |
Christoph Hellwig | 8a7b8a8 | 2010-04-20 17:01:30 +1000 | [diff] [blame] | 217 | if ((dqtype & (XFS_QMOPT_GQUOTA|XFS_QMOPT_PQUOTA)) && q->qi_gquotaip) { |
| 218 | IRELE(q->qi_gquotaip); |
| 219 | q->qi_gquotaip = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 220 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 221 | |
Christoph Hellwig | 8a7b8a8 | 2010-04-20 17:01:30 +1000 | [diff] [blame] | 222 | out_unlock: |
| 223 | mutex_unlock(&q->qi_quotaofflock); |
| 224 | return error; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 225 | } |
| 226 | |
Christoph Hellwig | 5d18898 | 2010-07-20 17:51:31 +1000 | [diff] [blame] | 227 | STATIC int |
| 228 | xfs_qm_scall_trunc_qfile( |
| 229 | struct xfs_mount *mp, |
| 230 | xfs_ino_t ino) |
| 231 | { |
| 232 | struct xfs_inode *ip; |
| 233 | struct xfs_trans *tp; |
| 234 | int error; |
| 235 | |
| 236 | if (ino == NULLFSINO) |
| 237 | return 0; |
| 238 | |
| 239 | error = xfs_iget(mp, NULL, ino, 0, 0, &ip); |
| 240 | if (error) |
| 241 | return error; |
| 242 | |
| 243 | xfs_ilock(ip, XFS_IOLOCK_EXCL); |
| 244 | |
| 245 | tp = xfs_trans_alloc(mp, XFS_TRANS_TRUNCATE_FILE); |
| 246 | error = xfs_trans_reserve(tp, 0, XFS_ITRUNCATE_LOG_RES(mp), 0, |
| 247 | XFS_TRANS_PERM_LOG_RES, |
| 248 | XFS_ITRUNCATE_LOG_COUNT); |
| 249 | if (error) { |
| 250 | xfs_trans_cancel(tp, 0); |
| 251 | xfs_iunlock(ip, XFS_IOLOCK_EXCL); |
| 252 | goto out_put; |
| 253 | } |
| 254 | |
| 255 | xfs_ilock(ip, XFS_ILOCK_EXCL); |
Christoph Hellwig | ddc3415 | 2011-09-19 15:00:54 +0000 | [diff] [blame] | 256 | xfs_trans_ijoin(tp, ip, 0); |
Christoph Hellwig | 5d18898 | 2010-07-20 17:51:31 +1000 | [diff] [blame] | 257 | |
Christoph Hellwig | 673e8e5 | 2011-12-18 20:00:04 +0000 | [diff] [blame] | 258 | ip->i_d.di_size = 0; |
Christoph Hellwig | 673e8e5 | 2011-12-18 20:00:04 +0000 | [diff] [blame] | 259 | xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); |
| 260 | |
| 261 | error = xfs_itruncate_extents(&tp, ip, XFS_DATA_FORK, 0); |
Christoph Hellwig | 5d18898 | 2010-07-20 17:51:31 +1000 | [diff] [blame] | 262 | if (error) { |
| 263 | xfs_trans_cancel(tp, XFS_TRANS_RELEASE_LOG_RES | |
| 264 | XFS_TRANS_ABORT); |
| 265 | goto out_unlock; |
| 266 | } |
| 267 | |
Christoph Hellwig | 673e8e5 | 2011-12-18 20:00:04 +0000 | [diff] [blame] | 268 | ASSERT(ip->i_d.di_nextents == 0); |
| 269 | |
Dave Chinner | dcd79a1 | 2010-09-28 12:27:25 +1000 | [diff] [blame] | 270 | xfs_trans_ichgtime(tp, ip, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG); |
Christoph Hellwig | 5d18898 | 2010-07-20 17:51:31 +1000 | [diff] [blame] | 271 | error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES); |
| 272 | |
| 273 | out_unlock: |
| 274 | xfs_iunlock(ip, XFS_ILOCK_EXCL | XFS_IOLOCK_EXCL); |
| 275 | out_put: |
| 276 | IRELE(ip); |
| 277 | return error; |
| 278 | } |
| 279 | |
Christoph Hellwig | fcafb71 | 2009-02-09 08:47:34 +0100 | [diff] [blame] | 280 | int |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 281 | xfs_qm_scall_trunc_qfiles( |
| 282 | xfs_mount_t *mp, |
| 283 | uint flags) |
| 284 | { |
David Chinner | 88ab020 | 2008-04-10 12:20:51 +1000 | [diff] [blame] | 285 | int error = 0, error2 = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 286 | |
Eric Sandeen | 6211870 | 2008-03-06 13:44:28 +1100 | [diff] [blame] | 287 | if (!xfs_sb_version_hasquota(&mp->m_sb) || flags == 0) { |
Dave Chinner | 8221112 | 2011-03-07 10:07:35 +1100 | [diff] [blame] | 288 | xfs_debug(mp, "%s: flags=%x m_qflags=%x\n", |
| 289 | __func__, flags, mp->m_qflags); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 290 | return XFS_ERROR(EINVAL); |
| 291 | } |
| 292 | |
Christoph Hellwig | 5d18898 | 2010-07-20 17:51:31 +1000 | [diff] [blame] | 293 | if (flags & XFS_DQ_USER) |
| 294 | error = xfs_qm_scall_trunc_qfile(mp, mp->m_sb.sb_uquotino); |
| 295 | if (flags & (XFS_DQ_GROUP|XFS_DQ_PROJ)) |
| 296 | error2 = xfs_qm_scall_trunc_qfile(mp, mp->m_sb.sb_gquotino); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 297 | |
David Chinner | 88ab020 | 2008-04-10 12:20:51 +1000 | [diff] [blame] | 298 | return error ? error : error2; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 299 | } |
| 300 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 301 | /* |
| 302 | * Switch on (a given) quota enforcement for a filesystem. This takes |
| 303 | * effect immediately. |
| 304 | * (Switching on quota accounting must be done at mount time.) |
| 305 | */ |
Christoph Hellwig | fcafb71 | 2009-02-09 08:47:34 +0100 | [diff] [blame] | 306 | int |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 307 | xfs_qm_scall_quotaon( |
| 308 | xfs_mount_t *mp, |
| 309 | uint flags) |
| 310 | { |
| 311 | int error; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 312 | uint qf; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 313 | __int64_t sbflags; |
| 314 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 315 | flags &= (XFS_ALL_QUOTA_ACCT | XFS_ALL_QUOTA_ENFD); |
| 316 | /* |
| 317 | * Switching on quota accounting must be done at mount time. |
| 318 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 319 | flags &= ~(XFS_ALL_QUOTA_ACCT); |
| 320 | |
| 321 | sbflags = 0; |
| 322 | |
| 323 | if (flags == 0) { |
Dave Chinner | 8221112 | 2011-03-07 10:07:35 +1100 | [diff] [blame] | 324 | xfs_debug(mp, "%s: zero flags, m_qflags=%x\n", |
| 325 | __func__, mp->m_qflags); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 326 | return XFS_ERROR(EINVAL); |
| 327 | } |
| 328 | |
| 329 | /* No fs can turn on quotas with a delayed effect */ |
| 330 | ASSERT((flags & XFS_ALL_QUOTA_ACCT) == 0); |
| 331 | |
| 332 | /* |
| 333 | * Can't enforce without accounting. We check the superblock |
| 334 | * qflags here instead of m_qflags because rootfs can have |
| 335 | * quota acct on ondisk without m_qflags' knowing. |
| 336 | */ |
| 337 | if (((flags & XFS_UQUOTA_ACCT) == 0 && |
| 338 | (mp->m_sb.sb_qflags & XFS_UQUOTA_ACCT) == 0 && |
| 339 | (flags & XFS_UQUOTA_ENFD)) |
| 340 | || |
Nathan Scott | c8ad20f | 2005-06-21 15:38:48 +1000 | [diff] [blame] | 341 | ((flags & XFS_PQUOTA_ACCT) == 0 && |
| 342 | (mp->m_sb.sb_qflags & XFS_PQUOTA_ACCT) == 0 && |
Donald Douwsma | 424ea91b | 2007-05-08 13:49:15 +1000 | [diff] [blame] | 343 | (flags & XFS_GQUOTA_ACCT) == 0 && |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 344 | (mp->m_sb.sb_qflags & XFS_GQUOTA_ACCT) == 0 && |
Nathan Scott | c8ad20f | 2005-06-21 15:38:48 +1000 | [diff] [blame] | 345 | (flags & XFS_OQUOTA_ENFD))) { |
Dave Chinner | 8221112 | 2011-03-07 10:07:35 +1100 | [diff] [blame] | 346 | xfs_debug(mp, |
| 347 | "%s: Can't enforce without acct, flags=%x sbflags=%x\n", |
| 348 | __func__, flags, mp->m_sb.sb_qflags); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 349 | return XFS_ERROR(EINVAL); |
| 350 | } |
| 351 | /* |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 352 | * If everything's up to-date incore, then don't waste time. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 353 | */ |
| 354 | if ((mp->m_qflags & flags) == flags) |
| 355 | return XFS_ERROR(EEXIST); |
| 356 | |
| 357 | /* |
| 358 | * Change sb_qflags on disk but not incore mp->qflags |
| 359 | * if this is the root filesystem. |
| 360 | */ |
Eric Sandeen | 3685c2a | 2007-10-11 17:42:32 +1000 | [diff] [blame] | 361 | spin_lock(&mp->m_sb_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 362 | qf = mp->m_sb.sb_qflags; |
| 363 | mp->m_sb.sb_qflags = qf | flags; |
Eric Sandeen | 3685c2a | 2007-10-11 17:42:32 +1000 | [diff] [blame] | 364 | spin_unlock(&mp->m_sb_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 365 | |
| 366 | /* |
| 367 | * There's nothing to change if it's the same. |
| 368 | */ |
| 369 | if ((qf & flags) == flags && sbflags == 0) |
| 370 | return XFS_ERROR(EEXIST); |
| 371 | sbflags |= XFS_SB_QFLAGS; |
| 372 | |
| 373 | if ((error = xfs_qm_write_sb_changes(mp, sbflags))) |
| 374 | return (error); |
| 375 | /* |
| 376 | * If we aren't trying to switch on quota enforcement, we are done. |
| 377 | */ |
| 378 | if (((mp->m_sb.sb_qflags & XFS_UQUOTA_ACCT) != |
| 379 | (mp->m_qflags & XFS_UQUOTA_ACCT)) || |
Nathan Scott | c8ad20f | 2005-06-21 15:38:48 +1000 | [diff] [blame] | 380 | ((mp->m_sb.sb_qflags & XFS_PQUOTA_ACCT) != |
| 381 | (mp->m_qflags & XFS_PQUOTA_ACCT)) || |
| 382 | ((mp->m_sb.sb_qflags & XFS_GQUOTA_ACCT) != |
| 383 | (mp->m_qflags & XFS_GQUOTA_ACCT)) || |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 384 | (flags & XFS_ALL_QUOTA_ENFD) == 0) |
| 385 | return (0); |
| 386 | |
| 387 | if (! XFS_IS_QUOTA_RUNNING(mp)) |
| 388 | return XFS_ERROR(ESRCH); |
| 389 | |
| 390 | /* |
| 391 | * Switch on quota enforcement in core. |
| 392 | */ |
Christoph Hellwig | 8a7b8a8 | 2010-04-20 17:01:30 +1000 | [diff] [blame] | 393 | mutex_lock(&mp->m_quotainfo->qi_quotaofflock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 394 | mp->m_qflags |= (flags & XFS_ALL_QUOTA_ENFD); |
Christoph Hellwig | 8a7b8a8 | 2010-04-20 17:01:30 +1000 | [diff] [blame] | 395 | mutex_unlock(&mp->m_quotainfo->qi_quotaofflock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 396 | |
| 397 | return (0); |
| 398 | } |
| 399 | |
| 400 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 401 | /* |
| 402 | * Return quota status information, such as uquota-off, enforcements, etc. |
| 403 | */ |
Christoph Hellwig | fcafb71 | 2009-02-09 08:47:34 +0100 | [diff] [blame] | 404 | int |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 405 | xfs_qm_scall_getqstat( |
Christoph Hellwig | 8a7b8a8 | 2010-04-20 17:01:30 +1000 | [diff] [blame] | 406 | struct xfs_mount *mp, |
| 407 | struct fs_quota_stat *out) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 408 | { |
Christoph Hellwig | 8a7b8a8 | 2010-04-20 17:01:30 +1000 | [diff] [blame] | 409 | struct xfs_quotainfo *q = mp->m_quotainfo; |
| 410 | struct xfs_inode *uip, *gip; |
Thiago Farina | 667a929 | 2012-11-12 21:32:59 -0200 | [diff] [blame] | 411 | bool tempuqip, tempgqip; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 412 | |
| 413 | uip = gip = NULL; |
Thiago Farina | 667a929 | 2012-11-12 21:32:59 -0200 | [diff] [blame] | 414 | tempuqip = tempgqip = false; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 415 | memset(out, 0, sizeof(fs_quota_stat_t)); |
| 416 | |
| 417 | out->qs_version = FS_QSTAT_VERSION; |
Eric Sandeen | 6211870 | 2008-03-06 13:44:28 +1100 | [diff] [blame] | 418 | if (!xfs_sb_version_hasquota(&mp->m_sb)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 419 | out->qs_uquota.qfs_ino = NULLFSINO; |
| 420 | out->qs_gquota.qfs_ino = NULLFSINO; |
| 421 | return (0); |
| 422 | } |
| 423 | out->qs_flags = (__uint16_t) xfs_qm_export_flags(mp->m_qflags & |
| 424 | (XFS_ALL_QUOTA_ACCT| |
| 425 | XFS_ALL_QUOTA_ENFD)); |
| 426 | out->qs_pad = 0; |
| 427 | out->qs_uquota.qfs_ino = mp->m_sb.sb_uquotino; |
| 428 | out->qs_gquota.qfs_ino = mp->m_sb.sb_gquotino; |
| 429 | |
Christoph Hellwig | 8a7b8a8 | 2010-04-20 17:01:30 +1000 | [diff] [blame] | 430 | if (q) { |
| 431 | uip = q->qi_uquotaip; |
| 432 | gip = q->qi_gquotaip; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 433 | } |
| 434 | if (!uip && mp->m_sb.sb_uquotino != NULLFSINO) { |
| 435 | if (xfs_iget(mp, NULL, mp->m_sb.sb_uquotino, |
Dave Chinner | 7b6259e | 2010-06-24 11:35:17 +1000 | [diff] [blame] | 436 | 0, 0, &uip) == 0) |
Thiago Farina | 667a929 | 2012-11-12 21:32:59 -0200 | [diff] [blame] | 437 | tempuqip = true; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 438 | } |
| 439 | if (!gip && mp->m_sb.sb_gquotino != NULLFSINO) { |
| 440 | if (xfs_iget(mp, NULL, mp->m_sb.sb_gquotino, |
Dave Chinner | 7b6259e | 2010-06-24 11:35:17 +1000 | [diff] [blame] | 441 | 0, 0, &gip) == 0) |
Thiago Farina | 667a929 | 2012-11-12 21:32:59 -0200 | [diff] [blame] | 442 | tempgqip = true; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 443 | } |
| 444 | if (uip) { |
| 445 | out->qs_uquota.qfs_nblks = uip->i_d.di_nblocks; |
| 446 | out->qs_uquota.qfs_nextents = uip->i_d.di_nextents; |
| 447 | if (tempuqip) |
Christoph Hellwig | 4335509 | 2008-03-27 18:01:08 +1100 | [diff] [blame] | 448 | IRELE(uip); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 449 | } |
| 450 | if (gip) { |
| 451 | out->qs_gquota.qfs_nblks = gip->i_d.di_nblocks; |
| 452 | out->qs_gquota.qfs_nextents = gip->i_d.di_nextents; |
| 453 | if (tempgqip) |
Christoph Hellwig | 4335509 | 2008-03-27 18:01:08 +1100 | [diff] [blame] | 454 | IRELE(gip); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 455 | } |
Christoph Hellwig | 8a7b8a8 | 2010-04-20 17:01:30 +1000 | [diff] [blame] | 456 | if (q) { |
| 457 | out->qs_incoredqs = q->qi_dquots; |
| 458 | out->qs_btimelimit = q->qi_btimelimit; |
| 459 | out->qs_itimelimit = q->qi_itimelimit; |
| 460 | out->qs_rtbtimelimit = q->qi_rtbtimelimit; |
| 461 | out->qs_bwarnlimit = q->qi_bwarnlimit; |
| 462 | out->qs_iwarnlimit = q->qi_iwarnlimit; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 463 | } |
Christoph Hellwig | 8a7b8a8 | 2010-04-20 17:01:30 +1000 | [diff] [blame] | 464 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 465 | } |
| 466 | |
Christoph Hellwig | c472b43 | 2010-05-06 17:05:17 -0400 | [diff] [blame] | 467 | #define XFS_DQ_MASK \ |
| 468 | (FS_DQ_LIMIT_MASK | FS_DQ_TIMER_MASK | FS_DQ_WARNS_MASK) |
| 469 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 470 | /* |
| 471 | * Adjust quota limits, and start/stop timers accordingly. |
| 472 | */ |
Christoph Hellwig | fcafb71 | 2009-02-09 08:47:34 +0100 | [diff] [blame] | 473 | int |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 474 | xfs_qm_scall_setqlim( |
Brian Foster | b136645 | 2013-03-18 10:51:46 -0400 | [diff] [blame] | 475 | struct xfs_mount *mp, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 476 | xfs_dqid_t id, |
| 477 | uint type, |
| 478 | fs_disk_quota_t *newlim) |
| 479 | { |
Christoph Hellwig | 8a7b8a8 | 2010-04-20 17:01:30 +1000 | [diff] [blame] | 480 | struct xfs_quotainfo *q = mp->m_quotainfo; |
Brian Foster | b136645 | 2013-03-18 10:51:46 -0400 | [diff] [blame] | 481 | struct xfs_disk_dquot *ddq; |
| 482 | struct xfs_dquot *dqp; |
| 483 | struct xfs_trans *tp; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 484 | int error; |
| 485 | xfs_qcnt_t hard, soft; |
| 486 | |
Christoph Hellwig | c472b43 | 2010-05-06 17:05:17 -0400 | [diff] [blame] | 487 | if (newlim->d_fieldmask & ~XFS_DQ_MASK) |
| 488 | return EINVAL; |
| 489 | if ((newlim->d_fieldmask & XFS_DQ_MASK) == 0) |
| 490 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 491 | |
Dave Chinner | f648167 | 2013-05-21 18:02:00 +1000 | [diff] [blame] | 492 | /* |
| 493 | * We don't want to race with a quotaoff so take the quotaoff lock. |
| 494 | * We don't hold an inode lock, so there's nothing else to stop |
| 495 | * a quotaoff from happening. |
| 496 | */ |
| 497 | mutex_lock(&q->qi_quotaofflock); |
| 498 | |
| 499 | /* |
| 500 | * Get the dquot (locked) before we start, as we need to do a |
| 501 | * transaction to allocate it if it doesn't exist. Once we have the |
| 502 | * dquot, unlock it so we can start the next transaction safely. We hold |
| 503 | * a reference to the dquot, so it's safe to do this unlock/lock without |
| 504 | * it being reclaimed in the mean time. |
| 505 | */ |
| 506 | error = xfs_qm_dqget(mp, NULL, id, type, XFS_QMOPT_DQALLOC, &dqp); |
| 507 | if (error) { |
| 508 | ASSERT(error != ENOENT); |
| 509 | goto out_unlock; |
| 510 | } |
| 511 | xfs_dqunlock(dqp); |
| 512 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 513 | tp = xfs_trans_alloc(mp, XFS_TRANS_QM_SETQLIM); |
Jeff Liu | f0f2df9 | 2013-01-28 21:26:49 +0800 | [diff] [blame] | 514 | error = xfs_trans_reserve(tp, 0, XFS_QM_SETQLIM_LOG_RES(mp), |
| 515 | 0, 0, XFS_DEFAULT_LOG_COUNT); |
| 516 | if (error) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 517 | xfs_trans_cancel(tp, 0); |
Dave Chinner | f648167 | 2013-05-21 18:02:00 +1000 | [diff] [blame] | 518 | goto out_rele; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 519 | } |
| 520 | |
Dave Chinner | f648167 | 2013-05-21 18:02:00 +1000 | [diff] [blame] | 521 | xfs_dqlock(dqp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 522 | xfs_trans_dqjoin(tp, dqp); |
| 523 | ddq = &dqp->q_core; |
| 524 | |
| 525 | /* |
| 526 | * Make sure that hardlimits are >= soft limits before changing. |
| 527 | */ |
| 528 | hard = (newlim->d_fieldmask & FS_DQ_BHARD) ? |
| 529 | (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_blk_hardlimit) : |
Christoph Hellwig | 1149d96 | 2005-11-02 15:01:12 +1100 | [diff] [blame] | 530 | be64_to_cpu(ddq->d_blk_hardlimit); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 531 | soft = (newlim->d_fieldmask & FS_DQ_BSOFT) ? |
| 532 | (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_blk_softlimit) : |
Christoph Hellwig | 1149d96 | 2005-11-02 15:01:12 +1100 | [diff] [blame] | 533 | be64_to_cpu(ddq->d_blk_softlimit); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 534 | if (hard == 0 || hard >= soft) { |
Christoph Hellwig | 1149d96 | 2005-11-02 15:01:12 +1100 | [diff] [blame] | 535 | ddq->d_blk_hardlimit = cpu_to_be64(hard); |
| 536 | ddq->d_blk_softlimit = cpu_to_be64(soft); |
Brian Foster | b136645 | 2013-03-18 10:51:46 -0400 | [diff] [blame] | 537 | xfs_dquot_set_prealloc_limits(dqp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 538 | if (id == 0) { |
Christoph Hellwig | 8a7b8a8 | 2010-04-20 17:01:30 +1000 | [diff] [blame] | 539 | q->qi_bhardlimit = hard; |
| 540 | q->qi_bsoftlimit = soft; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 541 | } |
| 542 | } else { |
Dave Chinner | 8221112 | 2011-03-07 10:07:35 +1100 | [diff] [blame] | 543 | xfs_debug(mp, "blkhard %Ld < blksoft %Ld\n", hard, soft); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 544 | } |
| 545 | hard = (newlim->d_fieldmask & FS_DQ_RTBHARD) ? |
| 546 | (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_rtb_hardlimit) : |
Christoph Hellwig | 1149d96 | 2005-11-02 15:01:12 +1100 | [diff] [blame] | 547 | be64_to_cpu(ddq->d_rtb_hardlimit); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 548 | soft = (newlim->d_fieldmask & FS_DQ_RTBSOFT) ? |
| 549 | (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_rtb_softlimit) : |
Christoph Hellwig | 1149d96 | 2005-11-02 15:01:12 +1100 | [diff] [blame] | 550 | be64_to_cpu(ddq->d_rtb_softlimit); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 551 | if (hard == 0 || hard >= soft) { |
Christoph Hellwig | 1149d96 | 2005-11-02 15:01:12 +1100 | [diff] [blame] | 552 | ddq->d_rtb_hardlimit = cpu_to_be64(hard); |
| 553 | ddq->d_rtb_softlimit = cpu_to_be64(soft); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 554 | if (id == 0) { |
Christoph Hellwig | 8a7b8a8 | 2010-04-20 17:01:30 +1000 | [diff] [blame] | 555 | q->qi_rtbhardlimit = hard; |
| 556 | q->qi_rtbsoftlimit = soft; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 557 | } |
| 558 | } else { |
Dave Chinner | 8221112 | 2011-03-07 10:07:35 +1100 | [diff] [blame] | 559 | xfs_debug(mp, "rtbhard %Ld < rtbsoft %Ld\n", hard, soft); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 560 | } |
| 561 | |
| 562 | hard = (newlim->d_fieldmask & FS_DQ_IHARD) ? |
| 563 | (xfs_qcnt_t) newlim->d_ino_hardlimit : |
Christoph Hellwig | 1149d96 | 2005-11-02 15:01:12 +1100 | [diff] [blame] | 564 | be64_to_cpu(ddq->d_ino_hardlimit); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 565 | soft = (newlim->d_fieldmask & FS_DQ_ISOFT) ? |
| 566 | (xfs_qcnt_t) newlim->d_ino_softlimit : |
Christoph Hellwig | 1149d96 | 2005-11-02 15:01:12 +1100 | [diff] [blame] | 567 | be64_to_cpu(ddq->d_ino_softlimit); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 568 | if (hard == 0 || hard >= soft) { |
Christoph Hellwig | 1149d96 | 2005-11-02 15:01:12 +1100 | [diff] [blame] | 569 | ddq->d_ino_hardlimit = cpu_to_be64(hard); |
| 570 | ddq->d_ino_softlimit = cpu_to_be64(soft); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 571 | if (id == 0) { |
Christoph Hellwig | 8a7b8a8 | 2010-04-20 17:01:30 +1000 | [diff] [blame] | 572 | q->qi_ihardlimit = hard; |
| 573 | q->qi_isoftlimit = soft; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 574 | } |
| 575 | } else { |
Dave Chinner | 8221112 | 2011-03-07 10:07:35 +1100 | [diff] [blame] | 576 | xfs_debug(mp, "ihard %Ld < isoft %Ld\n", hard, soft); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 577 | } |
| 578 | |
Nathan Scott | 754002b | 2005-06-21 15:49:06 +1000 | [diff] [blame] | 579 | /* |
| 580 | * Update warnings counter(s) if requested |
| 581 | */ |
| 582 | if (newlim->d_fieldmask & FS_DQ_BWARNS) |
Christoph Hellwig | 1149d96 | 2005-11-02 15:01:12 +1100 | [diff] [blame] | 583 | ddq->d_bwarns = cpu_to_be16(newlim->d_bwarns); |
Nathan Scott | 754002b | 2005-06-21 15:49:06 +1000 | [diff] [blame] | 584 | if (newlim->d_fieldmask & FS_DQ_IWARNS) |
Christoph Hellwig | 1149d96 | 2005-11-02 15:01:12 +1100 | [diff] [blame] | 585 | ddq->d_iwarns = cpu_to_be16(newlim->d_iwarns); |
Nathan Scott | 754002b | 2005-06-21 15:49:06 +1000 | [diff] [blame] | 586 | if (newlim->d_fieldmask & FS_DQ_RTBWARNS) |
Christoph Hellwig | 1149d96 | 2005-11-02 15:01:12 +1100 | [diff] [blame] | 587 | ddq->d_rtbwarns = cpu_to_be16(newlim->d_rtbwarns); |
Nathan Scott | 754002b | 2005-06-21 15:49:06 +1000 | [diff] [blame] | 588 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 589 | if (id == 0) { |
| 590 | /* |
| 591 | * Timelimits for the super user set the relative time |
| 592 | * the other users can be over quota for this file system. |
| 593 | * If it is zero a default is used. Ditto for the default |
Nathan Scott | 754002b | 2005-06-21 15:49:06 +1000 | [diff] [blame] | 594 | * soft and hard limit values (already done, above), and |
| 595 | * for warnings. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 596 | */ |
| 597 | if (newlim->d_fieldmask & FS_DQ_BTIMER) { |
Christoph Hellwig | 8a7b8a8 | 2010-04-20 17:01:30 +1000 | [diff] [blame] | 598 | q->qi_btimelimit = newlim->d_btimer; |
Christoph Hellwig | 1149d96 | 2005-11-02 15:01:12 +1100 | [diff] [blame] | 599 | ddq->d_btimer = cpu_to_be32(newlim->d_btimer); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 600 | } |
| 601 | if (newlim->d_fieldmask & FS_DQ_ITIMER) { |
Christoph Hellwig | 8a7b8a8 | 2010-04-20 17:01:30 +1000 | [diff] [blame] | 602 | q->qi_itimelimit = newlim->d_itimer; |
Christoph Hellwig | 1149d96 | 2005-11-02 15:01:12 +1100 | [diff] [blame] | 603 | ddq->d_itimer = cpu_to_be32(newlim->d_itimer); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 604 | } |
| 605 | if (newlim->d_fieldmask & FS_DQ_RTBTIMER) { |
Christoph Hellwig | 8a7b8a8 | 2010-04-20 17:01:30 +1000 | [diff] [blame] | 606 | q->qi_rtbtimelimit = newlim->d_rtbtimer; |
Christoph Hellwig | 1149d96 | 2005-11-02 15:01:12 +1100 | [diff] [blame] | 607 | ddq->d_rtbtimer = cpu_to_be32(newlim->d_rtbtimer); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 608 | } |
Nathan Scott | 754002b | 2005-06-21 15:49:06 +1000 | [diff] [blame] | 609 | if (newlim->d_fieldmask & FS_DQ_BWARNS) |
Christoph Hellwig | 8a7b8a8 | 2010-04-20 17:01:30 +1000 | [diff] [blame] | 610 | q->qi_bwarnlimit = newlim->d_bwarns; |
Nathan Scott | 754002b | 2005-06-21 15:49:06 +1000 | [diff] [blame] | 611 | if (newlim->d_fieldmask & FS_DQ_IWARNS) |
Christoph Hellwig | 8a7b8a8 | 2010-04-20 17:01:30 +1000 | [diff] [blame] | 612 | q->qi_iwarnlimit = newlim->d_iwarns; |
Nathan Scott | 754002b | 2005-06-21 15:49:06 +1000 | [diff] [blame] | 613 | if (newlim->d_fieldmask & FS_DQ_RTBWARNS) |
Christoph Hellwig | 8a7b8a8 | 2010-04-20 17:01:30 +1000 | [diff] [blame] | 614 | q->qi_rtbwarnlimit = newlim->d_rtbwarns; |
Nathan Scott | 754002b | 2005-06-21 15:49:06 +1000 | [diff] [blame] | 615 | } else { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 616 | /* |
| 617 | * If the user is now over quota, start the timelimit. |
| 618 | * The user will not be 'warned'. |
| 619 | * Note that we keep the timers ticking, whether enforcement |
| 620 | * is on or off. We don't really want to bother with iterating |
| 621 | * over all ondisk dquots and turning the timers on/off. |
| 622 | */ |
| 623 | xfs_qm_adjust_dqtimers(mp, ddq); |
| 624 | } |
| 625 | dqp->dq_flags |= XFS_DQ_DIRTY; |
| 626 | xfs_trans_log_dquot(tp, dqp); |
| 627 | |
David Chinner | e5720ee | 2008-04-10 12:21:18 +1000 | [diff] [blame] | 628 | error = xfs_trans_commit(tp, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 629 | |
Dave Chinner | f648167 | 2013-05-21 18:02:00 +1000 | [diff] [blame] | 630 | out_rele: |
| 631 | xfs_qm_dqrele(dqp); |
| 632 | out_unlock: |
Christoph Hellwig | 8a7b8a8 | 2010-04-20 17:01:30 +1000 | [diff] [blame] | 633 | mutex_unlock(&q->qi_quotaofflock); |
David Chinner | e5720ee | 2008-04-10 12:21:18 +1000 | [diff] [blame] | 634 | return error; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 635 | } |
| 636 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 637 | STATIC int |
| 638 | xfs_qm_log_quotaoff_end( |
| 639 | xfs_mount_t *mp, |
| 640 | xfs_qoff_logitem_t *startqoff, |
| 641 | uint flags) |
| 642 | { |
Nathan Scott | c8ad20f | 2005-06-21 15:38:48 +1000 | [diff] [blame] | 643 | xfs_trans_t *tp; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 644 | int error; |
Nathan Scott | c8ad20f | 2005-06-21 15:38:48 +1000 | [diff] [blame] | 645 | xfs_qoff_logitem_t *qoffi; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 646 | |
| 647 | tp = xfs_trans_alloc(mp, XFS_TRANS_QM_QUOTAOFF_END); |
| 648 | |
Jeff Liu | 762d7ba | 2013-01-28 21:27:21 +0800 | [diff] [blame] | 649 | error = xfs_trans_reserve(tp, 0, XFS_QM_QUOTAOFF_END_LOG_RES(mp), |
| 650 | 0, 0, XFS_DEFAULT_LOG_COUNT); |
| 651 | if (error) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 652 | xfs_trans_cancel(tp, 0); |
| 653 | return (error); |
| 654 | } |
| 655 | |
| 656 | qoffi = xfs_trans_get_qoff_item(tp, startqoff, |
| 657 | flags & XFS_ALL_QUOTA_ACCT); |
| 658 | xfs_trans_log_quotaoff_item(tp, qoffi); |
| 659 | |
| 660 | /* |
| 661 | * We have to make sure that the transaction is secure on disk before we |
| 662 | * return and actually stop quota accounting. So, make it synchronous. |
| 663 | * We don't care about quotoff's performance. |
| 664 | */ |
| 665 | xfs_trans_set_sync(tp); |
Eric Sandeen | 1c72bf9 | 2007-05-08 13:48:42 +1000 | [diff] [blame] | 666 | error = xfs_trans_commit(tp, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 667 | return (error); |
| 668 | } |
| 669 | |
| 670 | |
| 671 | STATIC int |
| 672 | xfs_qm_log_quotaoff( |
| 673 | xfs_mount_t *mp, |
| 674 | xfs_qoff_logitem_t **qoffstartp, |
| 675 | uint flags) |
| 676 | { |
| 677 | xfs_trans_t *tp; |
| 678 | int error; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 679 | xfs_qoff_logitem_t *qoffi=NULL; |
| 680 | uint oldsbqflag=0; |
| 681 | |
| 682 | tp = xfs_trans_alloc(mp, XFS_TRANS_QM_QUOTAOFF); |
Jeff Liu | a1bd955 | 2013-01-28 21:27:15 +0800 | [diff] [blame] | 683 | error = xfs_trans_reserve(tp, 0, XFS_QM_QUOTAOFF_LOG_RES(mp), |
| 684 | 0, 0, XFS_DEFAULT_LOG_COUNT); |
| 685 | if (error) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 686 | goto error0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 687 | |
| 688 | qoffi = xfs_trans_get_qoff_item(tp, NULL, flags & XFS_ALL_QUOTA_ACCT); |
| 689 | xfs_trans_log_quotaoff_item(tp, qoffi); |
| 690 | |
Eric Sandeen | 3685c2a | 2007-10-11 17:42:32 +1000 | [diff] [blame] | 691 | spin_lock(&mp->m_sb_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 692 | oldsbqflag = mp->m_sb.sb_qflags; |
| 693 | mp->m_sb.sb_qflags = (mp->m_qflags & ~(flags)) & XFS_MOUNT_QUOTA_ALL; |
Eric Sandeen | 3685c2a | 2007-10-11 17:42:32 +1000 | [diff] [blame] | 694 | spin_unlock(&mp->m_sb_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 695 | |
| 696 | xfs_mod_sb(tp, XFS_SB_QFLAGS); |
| 697 | |
| 698 | /* |
| 699 | * We have to make sure that the transaction is secure on disk before we |
| 700 | * return and actually stop quota accounting. So, make it synchronous. |
| 701 | * We don't care about quotoff's performance. |
| 702 | */ |
| 703 | xfs_trans_set_sync(tp); |
Eric Sandeen | 1c72bf9 | 2007-05-08 13:48:42 +1000 | [diff] [blame] | 704 | error = xfs_trans_commit(tp, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 705 | |
| 706 | error0: |
| 707 | if (error) { |
| 708 | xfs_trans_cancel(tp, 0); |
| 709 | /* |
| 710 | * No one else is modifying sb_qflags, so this is OK. |
| 711 | * We still hold the quotaofflock. |
| 712 | */ |
Eric Sandeen | 3685c2a | 2007-10-11 17:42:32 +1000 | [diff] [blame] | 713 | spin_lock(&mp->m_sb_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 714 | mp->m_sb.sb_qflags = oldsbqflag; |
Eric Sandeen | 3685c2a | 2007-10-11 17:42:32 +1000 | [diff] [blame] | 715 | spin_unlock(&mp->m_sb_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 716 | } |
| 717 | *qoffstartp = qoffi; |
| 718 | return (error); |
| 719 | } |
| 720 | |
| 721 | |
Christoph Hellwig | 18535a7 | 2012-02-20 02:28:16 +0000 | [diff] [blame] | 722 | int |
| 723 | xfs_qm_scall_getquota( |
| 724 | struct xfs_mount *mp, |
| 725 | xfs_dqid_t id, |
| 726 | uint type, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 727 | struct fs_disk_quota *dst) |
| 728 | { |
Christoph Hellwig | 18535a7 | 2012-02-20 02:28:16 +0000 | [diff] [blame] | 729 | struct xfs_dquot *dqp; |
| 730 | int error; |
| 731 | |
| 732 | /* |
| 733 | * Try to get the dquot. We don't want it allocated on disk, so |
| 734 | * we aren't passing the XFS_QMOPT_DOALLOC flag. If it doesn't |
| 735 | * exist, we'll get ENOENT back. |
| 736 | */ |
| 737 | error = xfs_qm_dqget(mp, NULL, id, type, 0, &dqp); |
| 738 | if (error) |
| 739 | return error; |
| 740 | |
| 741 | /* |
| 742 | * If everything's NULL, this dquot doesn't quite exist as far as |
| 743 | * our utility programs are concerned. |
| 744 | */ |
| 745 | if (XFS_IS_DQUOT_UNINITIALIZED(dqp)) { |
| 746 | error = XFS_ERROR(ENOENT); |
| 747 | goto out_put; |
| 748 | } |
| 749 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 750 | memset(dst, 0, sizeof(*dst)); |
Christoph Hellwig | 18535a7 | 2012-02-20 02:28:16 +0000 | [diff] [blame] | 751 | dst->d_version = FS_DQUOT_VERSION; |
| 752 | dst->d_flags = xfs_qm_export_qtype_flags(dqp->q_core.d_flags); |
| 753 | dst->d_id = be32_to_cpu(dqp->q_core.d_id); |
Christoph Hellwig | 1149d96 | 2005-11-02 15:01:12 +1100 | [diff] [blame] | 754 | dst->d_blk_hardlimit = |
Christoph Hellwig | 18535a7 | 2012-02-20 02:28:16 +0000 | [diff] [blame] | 755 | XFS_FSB_TO_BB(mp, be64_to_cpu(dqp->q_core.d_blk_hardlimit)); |
Christoph Hellwig | 1149d96 | 2005-11-02 15:01:12 +1100 | [diff] [blame] | 756 | dst->d_blk_softlimit = |
Christoph Hellwig | 18535a7 | 2012-02-20 02:28:16 +0000 | [diff] [blame] | 757 | XFS_FSB_TO_BB(mp, be64_to_cpu(dqp->q_core.d_blk_softlimit)); |
| 758 | dst->d_ino_hardlimit = be64_to_cpu(dqp->q_core.d_ino_hardlimit); |
| 759 | dst->d_ino_softlimit = be64_to_cpu(dqp->q_core.d_ino_softlimit); |
Christoph Hellwig | 8960501 | 2012-02-20 02:28:17 +0000 | [diff] [blame] | 760 | dst->d_bcount = XFS_FSB_TO_BB(mp, dqp->q_res_bcount); |
| 761 | dst->d_icount = dqp->q_res_icount; |
Christoph Hellwig | 18535a7 | 2012-02-20 02:28:16 +0000 | [diff] [blame] | 762 | dst->d_btimer = be32_to_cpu(dqp->q_core.d_btimer); |
| 763 | dst->d_itimer = be32_to_cpu(dqp->q_core.d_itimer); |
| 764 | dst->d_iwarns = be16_to_cpu(dqp->q_core.d_iwarns); |
| 765 | dst->d_bwarns = be16_to_cpu(dqp->q_core.d_bwarns); |
Christoph Hellwig | 1149d96 | 2005-11-02 15:01:12 +1100 | [diff] [blame] | 766 | dst->d_rtb_hardlimit = |
Christoph Hellwig | 18535a7 | 2012-02-20 02:28:16 +0000 | [diff] [blame] | 767 | XFS_FSB_TO_BB(mp, be64_to_cpu(dqp->q_core.d_rtb_hardlimit)); |
Christoph Hellwig | 1149d96 | 2005-11-02 15:01:12 +1100 | [diff] [blame] | 768 | dst->d_rtb_softlimit = |
Christoph Hellwig | 18535a7 | 2012-02-20 02:28:16 +0000 | [diff] [blame] | 769 | XFS_FSB_TO_BB(mp, be64_to_cpu(dqp->q_core.d_rtb_softlimit)); |
Christoph Hellwig | 8960501 | 2012-02-20 02:28:17 +0000 | [diff] [blame] | 770 | dst->d_rtbcount = XFS_FSB_TO_BB(mp, dqp->q_res_rtbcount); |
Christoph Hellwig | 18535a7 | 2012-02-20 02:28:16 +0000 | [diff] [blame] | 771 | dst->d_rtbtimer = be32_to_cpu(dqp->q_core.d_rtbtimer); |
| 772 | dst->d_rtbwarns = be16_to_cpu(dqp->q_core.d_rtbwarns); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 773 | |
| 774 | /* |
| 775 | * Internally, we don't reset all the timers when quota enforcement |
Nathan Scott | c41564b | 2006-03-29 08:55:14 +1000 | [diff] [blame] | 776 | * gets turned off. No need to confuse the user level code, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 777 | * so return zeroes in that case. |
| 778 | */ |
Christoph Hellwig | 18535a7 | 2012-02-20 02:28:16 +0000 | [diff] [blame] | 779 | if ((!XFS_IS_UQUOTA_ENFORCED(mp) && dqp->q_core.d_flags == XFS_DQ_USER) || |
Kouta Ooizumi | e6d2942 | 2007-05-08 13:49:33 +1000 | [diff] [blame] | 780 | (!XFS_IS_OQUOTA_ENFORCED(mp) && |
Christoph Hellwig | 18535a7 | 2012-02-20 02:28:16 +0000 | [diff] [blame] | 781 | (dqp->q_core.d_flags & (XFS_DQ_PROJ | XFS_DQ_GROUP)))) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 782 | dst->d_btimer = 0; |
| 783 | dst->d_itimer = 0; |
| 784 | dst->d_rtbtimer = 0; |
| 785 | } |
| 786 | |
| 787 | #ifdef DEBUG |
Christoph Hellwig | ade7ce3 | 2010-06-04 10:56:01 +0200 | [diff] [blame] | 788 | if (((XFS_IS_UQUOTA_ENFORCED(mp) && dst->d_flags == FS_USER_QUOTA) || |
Kouta Ooizumi | e6d2942 | 2007-05-08 13:49:33 +1000 | [diff] [blame] | 789 | (XFS_IS_OQUOTA_ENFORCED(mp) && |
Christoph Hellwig | ade7ce3 | 2010-06-04 10:56:01 +0200 | [diff] [blame] | 790 | (dst->d_flags & (FS_PROJ_QUOTA | FS_GROUP_QUOTA)))) && |
Kouta Ooizumi | e6d2942 | 2007-05-08 13:49:33 +1000 | [diff] [blame] | 791 | dst->d_id != 0) { |
Brian Foster | f755503 | 2012-12-21 10:45:17 -0500 | [diff] [blame] | 792 | if ((dst->d_bcount > dst->d_blk_softlimit) && |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 793 | (dst->d_blk_softlimit > 0)) { |
| 794 | ASSERT(dst->d_btimer != 0); |
| 795 | } |
Brian Foster | f755503 | 2012-12-21 10:45:17 -0500 | [diff] [blame] | 796 | if ((dst->d_icount > dst->d_ino_softlimit) && |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 797 | (dst->d_ino_softlimit > 0)) { |
| 798 | ASSERT(dst->d_itimer != 0); |
| 799 | } |
| 800 | } |
| 801 | #endif |
Christoph Hellwig | 18535a7 | 2012-02-20 02:28:16 +0000 | [diff] [blame] | 802 | out_put: |
| 803 | xfs_qm_dqput(dqp); |
| 804 | return error; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 805 | } |
| 806 | |
| 807 | STATIC uint |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 808 | xfs_qm_export_qtype_flags( |
| 809 | uint flags) |
| 810 | { |
| 811 | /* |
Nathan Scott | c8ad20f | 2005-06-21 15:38:48 +1000 | [diff] [blame] | 812 | * Can't be more than one, or none. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 813 | */ |
Christoph Hellwig | ade7ce3 | 2010-06-04 10:56:01 +0200 | [diff] [blame] | 814 | ASSERT((flags & (FS_PROJ_QUOTA | FS_USER_QUOTA)) != |
| 815 | (FS_PROJ_QUOTA | FS_USER_QUOTA)); |
| 816 | ASSERT((flags & (FS_PROJ_QUOTA | FS_GROUP_QUOTA)) != |
| 817 | (FS_PROJ_QUOTA | FS_GROUP_QUOTA)); |
| 818 | ASSERT((flags & (FS_USER_QUOTA | FS_GROUP_QUOTA)) != |
| 819 | (FS_USER_QUOTA | FS_GROUP_QUOTA)); |
| 820 | ASSERT((flags & (FS_PROJ_QUOTA|FS_USER_QUOTA|FS_GROUP_QUOTA)) != 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 821 | |
| 822 | return (flags & XFS_DQ_USER) ? |
Christoph Hellwig | ade7ce3 | 2010-06-04 10:56:01 +0200 | [diff] [blame] | 823 | FS_USER_QUOTA : (flags & XFS_DQ_PROJ) ? |
| 824 | FS_PROJ_QUOTA : FS_GROUP_QUOTA; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 825 | } |
| 826 | |
| 827 | STATIC uint |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 828 | xfs_qm_export_flags( |
| 829 | uint flags) |
| 830 | { |
| 831 | uint uflags; |
| 832 | |
| 833 | uflags = 0; |
| 834 | if (flags & XFS_UQUOTA_ACCT) |
Christoph Hellwig | ade7ce3 | 2010-06-04 10:56:01 +0200 | [diff] [blame] | 835 | uflags |= FS_QUOTA_UDQ_ACCT; |
Nathan Scott | c8ad20f | 2005-06-21 15:38:48 +1000 | [diff] [blame] | 836 | if (flags & XFS_PQUOTA_ACCT) |
Christoph Hellwig | ade7ce3 | 2010-06-04 10:56:01 +0200 | [diff] [blame] | 837 | uflags |= FS_QUOTA_PDQ_ACCT; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 838 | if (flags & XFS_GQUOTA_ACCT) |
Christoph Hellwig | ade7ce3 | 2010-06-04 10:56:01 +0200 | [diff] [blame] | 839 | uflags |= FS_QUOTA_GDQ_ACCT; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 840 | if (flags & XFS_UQUOTA_ENFD) |
Christoph Hellwig | ade7ce3 | 2010-06-04 10:56:01 +0200 | [diff] [blame] | 841 | uflags |= FS_QUOTA_UDQ_ENFD; |
Nathan Scott | c8ad20f | 2005-06-21 15:38:48 +1000 | [diff] [blame] | 842 | if (flags & (XFS_OQUOTA_ENFD)) { |
| 843 | uflags |= (flags & XFS_GQUOTA_ACCT) ? |
Christoph Hellwig | ade7ce3 | 2010-06-04 10:56:01 +0200 | [diff] [blame] | 844 | FS_QUOTA_GDQ_ENFD : FS_QUOTA_PDQ_ENFD; |
Nathan Scott | c8ad20f | 2005-06-21 15:38:48 +1000 | [diff] [blame] | 845 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 846 | return (uflags); |
| 847 | } |
| 848 | |
| 849 | |
Christoph Hellwig | fe588ed | 2009-06-08 15:35:27 +0200 | [diff] [blame] | 850 | STATIC int |
| 851 | xfs_dqrele_inode( |
| 852 | struct xfs_inode *ip, |
| 853 | struct xfs_perag *pag, |
Brian Foster | a454f74 | 2012-11-06 09:50:39 -0500 | [diff] [blame] | 854 | int flags, |
| 855 | void *args) |
David Chinner | 5b4d89a | 2008-10-30 17:08:03 +1100 | [diff] [blame] | 856 | { |
Christoph Hellwig | fe588ed | 2009-06-08 15:35:27 +0200 | [diff] [blame] | 857 | /* skip quota inodes */ |
Christoph Hellwig | 8a7b8a8 | 2010-04-20 17:01:30 +1000 | [diff] [blame] | 858 | if (ip == ip->i_mount->m_quotainfo->qi_uquotaip || |
| 859 | ip == ip->i_mount->m_quotainfo->qi_gquotaip) { |
Christoph Hellwig | fe588ed | 2009-06-08 15:35:27 +0200 | [diff] [blame] | 860 | ASSERT(ip->i_udquot == NULL); |
| 861 | ASSERT(ip->i_gdquot == NULL); |
Christoph Hellwig | fe588ed | 2009-06-08 15:35:27 +0200 | [diff] [blame] | 862 | return 0; |
| 863 | } |
Dave Chinner | cb4f0d1 | 2008-11-10 17:11:18 +1100 | [diff] [blame] | 864 | |
Christoph Hellwig | fe588ed | 2009-06-08 15:35:27 +0200 | [diff] [blame] | 865 | xfs_ilock(ip, XFS_ILOCK_EXCL); |
| 866 | if ((flags & XFS_UQUOTA_ACCT) && ip->i_udquot) { |
| 867 | xfs_qm_dqrele(ip->i_udquot); |
| 868 | ip->i_udquot = NULL; |
| 869 | } |
| 870 | if (flags & (XFS_PQUOTA_ACCT|XFS_GQUOTA_ACCT) && ip->i_gdquot) { |
| 871 | xfs_qm_dqrele(ip->i_gdquot); |
| 872 | ip->i_gdquot = NULL; |
| 873 | } |
Christoph Hellwig | f2d6761 | 2010-06-24 11:52:50 +1000 | [diff] [blame] | 874 | xfs_iunlock(ip, XFS_ILOCK_EXCL); |
Christoph Hellwig | fe588ed | 2009-06-08 15:35:27 +0200 | [diff] [blame] | 875 | return 0; |
David Chinner | 5b4d89a | 2008-10-30 17:08:03 +1100 | [diff] [blame] | 876 | } |
| 877 | |
Christoph Hellwig | fe588ed | 2009-06-08 15:35:27 +0200 | [diff] [blame] | 878 | |
David Chinner | 5b4d89a | 2008-10-30 17:08:03 +1100 | [diff] [blame] | 879 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 880 | * Go thru all the inodes in the file system, releasing their dquots. |
Christoph Hellwig | fe588ed | 2009-06-08 15:35:27 +0200 | [diff] [blame] | 881 | * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 882 | * Note that the mount structure gets modified to indicate that quotas are off |
Christoph Hellwig | fe588ed | 2009-06-08 15:35:27 +0200 | [diff] [blame] | 883 | * AFTER this, in the case of quotaoff. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 884 | */ |
| 885 | void |
| 886 | xfs_qm_dqrele_all_inodes( |
| 887 | struct xfs_mount *mp, |
| 888 | uint flags) |
| 889 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 890 | ASSERT(mp->m_quotainfo); |
Brian Foster | a454f74 | 2012-11-06 09:50:39 -0500 | [diff] [blame] | 891 | xfs_inode_ag_iterator(mp, xfs_dqrele_inode, flags, NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 892 | } |