Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
Nathan Scott | 7b71876 | 2005-11-02 14:58:39 +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 | 7b71876 | 2005-11-02 14:58:39 +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 | 7b71876 | 2005-11-02 14:58:39 +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 | 7b71876 | 2005-11-02 14:58:39 +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 | */ |
| 18 | #ifndef __XFS_QUOTA_H__ |
| 19 | #define __XFS_QUOTA_H__ |
| 20 | |
Christoph Hellwig | fcafb71 | 2009-02-09 08:47:34 +0100 | [diff] [blame] | 21 | struct xfs_trans; |
| 22 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 23 | /* |
| 24 | * The ondisk form of a dquot structure. |
| 25 | */ |
| 26 | #define XFS_DQUOT_MAGIC 0x4451 /* 'DQ' */ |
| 27 | #define XFS_DQUOT_VERSION (u_int8_t)0x01 /* latest version number */ |
| 28 | |
| 29 | /* |
| 30 | * uid_t and gid_t are hard-coded to 32 bits in the inode. |
| 31 | * Hence, an 'id' in a dquot is 32 bits.. |
| 32 | */ |
Nathan Scott | c310ab6 | 2005-11-02 10:31:41 +1100 | [diff] [blame] | 33 | typedef __uint32_t xfs_dqid_t; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 34 | |
| 35 | /* |
Nathan Scott | c41564b | 2006-03-29 08:55:14 +1000 | [diff] [blame] | 36 | * Even though users may not have quota limits occupying all 64-bits, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 37 | * they may need 64-bit accounting. Hence, 64-bit quota-counters, |
| 38 | * and quota-limits. This is a waste in the common case, but hey ... |
| 39 | */ |
| 40 | typedef __uint64_t xfs_qcnt_t; |
| 41 | typedef __uint16_t xfs_qwarncnt_t; |
| 42 | |
| 43 | /* |
| 44 | * This is the main portion of the on-disk representation of quota |
| 45 | * information for a user. This is the q_core of the xfs_dquot_t that |
| 46 | * is kept in kernel memory. We pad this with some more expansion room |
| 47 | * to construct the on disk structure. |
| 48 | */ |
| 49 | typedef struct xfs_disk_dquot { |
Christoph Hellwig | 1149d96 | 2005-11-02 15:01:12 +1100 | [diff] [blame] | 50 | __be16 d_magic; /* dquot magic = XFS_DQUOT_MAGIC */ |
| 51 | __u8 d_version; /* dquot version */ |
| 52 | __u8 d_flags; /* XFS_DQ_USER/PROJ/GROUP */ |
| 53 | __be32 d_id; /* user,project,group id */ |
| 54 | __be64 d_blk_hardlimit;/* absolute limit on disk blks */ |
| 55 | __be64 d_blk_softlimit;/* preferred limit on disk blks */ |
| 56 | __be64 d_ino_hardlimit;/* maximum # allocated inodes */ |
| 57 | __be64 d_ino_softlimit;/* preferred inode limit */ |
| 58 | __be64 d_bcount; /* disk blocks owned by the user */ |
| 59 | __be64 d_icount; /* inodes owned by the user */ |
| 60 | __be32 d_itimer; /* zero if within inode limits if not, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 61 | this is when we refuse service */ |
Christoph Hellwig | 1149d96 | 2005-11-02 15:01:12 +1100 | [diff] [blame] | 62 | __be32 d_btimer; /* similar to above; for disk blocks */ |
| 63 | __be16 d_iwarns; /* warnings issued wrt num inodes */ |
| 64 | __be16 d_bwarns; /* warnings issued wrt disk blocks */ |
| 65 | __be32 d_pad0; /* 64 bit align */ |
| 66 | __be64 d_rtb_hardlimit;/* absolute limit on realtime blks */ |
| 67 | __be64 d_rtb_softlimit;/* preferred limit on RT disk blks */ |
| 68 | __be64 d_rtbcount; /* realtime blocks owned */ |
| 69 | __be32 d_rtbtimer; /* similar to above; for RT disk blocks */ |
| 70 | __be16 d_rtbwarns; /* warnings issued wrt RT disk blocks */ |
| 71 | __be16 d_pad; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 72 | } xfs_disk_dquot_t; |
| 73 | |
| 74 | /* |
| 75 | * This is what goes on disk. This is separated from the xfs_disk_dquot because |
| 76 | * carrying the unnecessary padding would be a waste of memory. |
| 77 | */ |
| 78 | typedef struct xfs_dqblk { |
| 79 | xfs_disk_dquot_t dd_diskdq; /* portion that lives incore as well */ |
| 80 | char dd_fill[32]; /* filling for posterity */ |
| 81 | } xfs_dqblk_t; |
| 82 | |
| 83 | /* |
| 84 | * flags for q_flags field in the dquot. |
| 85 | */ |
| 86 | #define XFS_DQ_USER 0x0001 /* a user quota */ |
Nathan Scott | c8ad20f | 2005-06-21 15:38:48 +1000 | [diff] [blame] | 87 | #define XFS_DQ_PROJ 0x0002 /* project quota */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 88 | #define XFS_DQ_GROUP 0x0004 /* a group quota */ |
Christoph Hellwig | df6771b | 2008-12-03 12:20:30 +0100 | [diff] [blame] | 89 | #define XFS_DQ_DIRTY 0x0008 /* dquot is dirty */ |
| 90 | #define XFS_DQ_WANT 0x0010 /* for lookup/reclaim race */ |
| 91 | #define XFS_DQ_INACTIVE 0x0020 /* dq off mplist & hashlist */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 92 | |
Nathan Scott | c8ad20f | 2005-06-21 15:38:48 +1000 | [diff] [blame] | 93 | #define XFS_DQ_ALLTYPES (XFS_DQ_USER|XFS_DQ_PROJ|XFS_DQ_GROUP) |
| 94 | |
Christoph Hellwig | 0b1b213 | 2009-12-14 23:14:59 +0000 | [diff] [blame] | 95 | #define XFS_DQ_FLAGS \ |
| 96 | { XFS_DQ_USER, "USER" }, \ |
| 97 | { XFS_DQ_PROJ, "PROJ" }, \ |
| 98 | { XFS_DQ_GROUP, "GROUP" }, \ |
| 99 | { XFS_DQ_DIRTY, "DIRTY" }, \ |
| 100 | { XFS_DQ_WANT, "WANT" }, \ |
| 101 | { XFS_DQ_INACTIVE, "INACTIVE" } |
| 102 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 103 | /* |
| 104 | * In the worst case, when both user and group quotas are on, |
| 105 | * we can have a max of three dquots changing in a single transaction. |
| 106 | */ |
| 107 | #define XFS_DQUOT_LOGRES(mp) (sizeof(xfs_disk_dquot_t) * 3) |
| 108 | |
| 109 | |
| 110 | /* |
| 111 | * These are the structures used to lay out dquots and quotaoff |
| 112 | * records on the log. Quite similar to those of inodes. |
| 113 | */ |
| 114 | |
| 115 | /* |
| 116 | * log format struct for dquots. |
| 117 | * The first two fields must be the type and size fitting into |
| 118 | * 32 bits : log_recovery code assumes that. |
| 119 | */ |
| 120 | typedef struct xfs_dq_logformat { |
| 121 | __uint16_t qlf_type; /* dquot log item type */ |
| 122 | __uint16_t qlf_size; /* size of this item */ |
Nathan Scott | c8ad20f | 2005-06-21 15:38:48 +1000 | [diff] [blame] | 123 | xfs_dqid_t qlf_id; /* usr/grp/proj id : 32 bits */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 124 | __int64_t qlf_blkno; /* blkno of dquot buffer */ |
| 125 | __int32_t qlf_len; /* len of dquot buffer */ |
| 126 | __uint32_t qlf_boffset; /* off of dquot in buffer */ |
| 127 | } xfs_dq_logformat_t; |
| 128 | |
| 129 | /* |
| 130 | * log format struct for QUOTAOFF records. |
| 131 | * The first two fields must be the type and size fitting into |
| 132 | * 32 bits : log_recovery code assumes that. |
| 133 | * We write two LI_QUOTAOFF logitems per quotaoff, the last one keeps a pointer |
| 134 | * to the first and ensures that the first logitem is taken out of the AIL |
| 135 | * only when the last one is securely committed. |
| 136 | */ |
| 137 | typedef struct xfs_qoff_logformat { |
| 138 | unsigned short qf_type; /* quotaoff log item type */ |
| 139 | unsigned short qf_size; /* size of this item */ |
| 140 | unsigned int qf_flags; /* USR and/or GRP */ |
| 141 | char qf_pad[12]; /* padding for future */ |
| 142 | } xfs_qoff_logformat_t; |
| 143 | |
| 144 | |
| 145 | /* |
| 146 | * Disk quotas status in m_qflags, and also sb_qflags. 16 bits. |
| 147 | */ |
| 148 | #define XFS_UQUOTA_ACCT 0x0001 /* user quota accounting ON */ |
| 149 | #define XFS_UQUOTA_ENFD 0x0002 /* user quota limits enforced */ |
| 150 | #define XFS_UQUOTA_CHKD 0x0004 /* quotacheck run on usr quotas */ |
Nathan Scott | c8ad20f | 2005-06-21 15:38:48 +1000 | [diff] [blame] | 151 | #define XFS_PQUOTA_ACCT 0x0008 /* project quota accounting ON */ |
| 152 | #define XFS_OQUOTA_ENFD 0x0010 /* other (grp/prj) quota limits enforced */ |
| 153 | #define XFS_OQUOTA_CHKD 0x0020 /* quotacheck run on other (grp/prj) quotas */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 154 | #define XFS_GQUOTA_ACCT 0x0040 /* group quota accounting ON */ |
| 155 | |
| 156 | /* |
Tim Shimmin | 4cd4a03 | 2005-09-05 08:24:10 +1000 | [diff] [blame] | 157 | * Quota Accounting/Enforcement flags |
| 158 | */ |
| 159 | #define XFS_ALL_QUOTA_ACCT \ |
| 160 | (XFS_UQUOTA_ACCT | XFS_GQUOTA_ACCT | XFS_PQUOTA_ACCT) |
| 161 | #define XFS_ALL_QUOTA_ENFD (XFS_UQUOTA_ENFD | XFS_OQUOTA_ENFD) |
| 162 | #define XFS_ALL_QUOTA_CHKD (XFS_UQUOTA_CHKD | XFS_OQUOTA_CHKD) |
| 163 | |
| 164 | #define XFS_IS_QUOTA_RUNNING(mp) ((mp)->m_qflags & XFS_ALL_QUOTA_ACCT) |
Tim Shimmin | 4cd4a03 | 2005-09-05 08:24:10 +1000 | [diff] [blame] | 165 | #define XFS_IS_UQUOTA_RUNNING(mp) ((mp)->m_qflags & XFS_UQUOTA_ACCT) |
| 166 | #define XFS_IS_PQUOTA_RUNNING(mp) ((mp)->m_qflags & XFS_PQUOTA_ACCT) |
| 167 | #define XFS_IS_GQUOTA_RUNNING(mp) ((mp)->m_qflags & XFS_GQUOTA_ACCT) |
Kouta Ooizumi | e6d2942 | 2007-05-08 13:49:33 +1000 | [diff] [blame] | 168 | #define XFS_IS_UQUOTA_ENFORCED(mp) ((mp)->m_qflags & XFS_UQUOTA_ENFD) |
| 169 | #define XFS_IS_OQUOTA_ENFORCED(mp) ((mp)->m_qflags & XFS_OQUOTA_ENFD) |
Tim Shimmin | 4cd4a03 | 2005-09-05 08:24:10 +1000 | [diff] [blame] | 170 | |
| 171 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 172 | * Incore only flags for quotaoff - these bits get cleared when quota(s) |
| 173 | * are in the process of getting turned off. These flags are in m_qflags but |
| 174 | * never in sb_qflags. |
| 175 | */ |
Nathan Scott | c8ad20f | 2005-06-21 15:38:48 +1000 | [diff] [blame] | 176 | #define XFS_UQUOTA_ACTIVE 0x0100 /* uquotas are being turned off */ |
| 177 | #define XFS_PQUOTA_ACTIVE 0x0200 /* pquotas are being turned off */ |
| 178 | #define XFS_GQUOTA_ACTIVE 0x0400 /* gquotas are being turned off */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 179 | |
| 180 | /* |
| 181 | * Checking XFS_IS_*QUOTA_ON() while holding any inode lock guarantees |
| 182 | * quota will be not be switched off as long as that inode lock is held. |
| 183 | */ |
| 184 | #define XFS_IS_QUOTA_ON(mp) ((mp)->m_qflags & (XFS_UQUOTA_ACTIVE | \ |
Nathan Scott | c8ad20f | 2005-06-21 15:38:48 +1000 | [diff] [blame] | 185 | XFS_GQUOTA_ACTIVE | \ |
| 186 | XFS_PQUOTA_ACTIVE)) |
| 187 | #define XFS_IS_OQUOTA_ON(mp) ((mp)->m_qflags & (XFS_GQUOTA_ACTIVE | \ |
| 188 | XFS_PQUOTA_ACTIVE)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 189 | #define XFS_IS_UQUOTA_ON(mp) ((mp)->m_qflags & XFS_UQUOTA_ACTIVE) |
| 190 | #define XFS_IS_GQUOTA_ON(mp) ((mp)->m_qflags & XFS_GQUOTA_ACTIVE) |
Nathan Scott | c8ad20f | 2005-06-21 15:38:48 +1000 | [diff] [blame] | 191 | #define XFS_IS_PQUOTA_ON(mp) ((mp)->m_qflags & XFS_PQUOTA_ACTIVE) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 192 | |
| 193 | /* |
| 194 | * Flags to tell various functions what to do. Not all of these are meaningful |
| 195 | * to a single function. None of these XFS_QMOPT_* flags are meant to have |
| 196 | * persistent values (ie. their values can and will change between versions) |
| 197 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 198 | #define XFS_QMOPT_DQALLOC 0x0000002 /* alloc dquot ondisk if needed */ |
| 199 | #define XFS_QMOPT_UQUOTA 0x0000004 /* user dquot requested */ |
Nathan Scott | c8ad20f | 2005-06-21 15:38:48 +1000 | [diff] [blame] | 200 | #define XFS_QMOPT_PQUOTA 0x0000008 /* project dquot requested */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 201 | #define XFS_QMOPT_FORCE_RES 0x0000010 /* ignore quota limits */ |
| 202 | #define XFS_QMOPT_DQSUSER 0x0000020 /* don't cache super users dquot */ |
| 203 | #define XFS_QMOPT_SBVERSION 0x0000040 /* change superblock version num */ |
Nathan Scott | 9a2a7de | 2006-03-31 13:04:49 +1000 | [diff] [blame] | 204 | #define XFS_QMOPT_DOWARN 0x0000400 /* increase warning cnt if needed */ |
Nathan Scott | 9a2a7de | 2006-03-31 13:04:49 +1000 | [diff] [blame] | 205 | #define XFS_QMOPT_DQREPAIR 0x0001000 /* repair dquot if damaged */ |
Nathan Scott | c8ad20f | 2005-06-21 15:38:48 +1000 | [diff] [blame] | 206 | #define XFS_QMOPT_GQUOTA 0x0002000 /* group dquot requested */ |
Nathan Scott | 9a2a7de | 2006-03-31 13:04:49 +1000 | [diff] [blame] | 207 | #define XFS_QMOPT_ENOSPC 0x0004000 /* enospc instead of edquot (prj) */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 208 | |
| 209 | /* |
| 210 | * flags to xfs_trans_mod_dquot to indicate which field needs to be |
| 211 | * modified. |
| 212 | */ |
| 213 | #define XFS_QMOPT_RES_REGBLKS 0x0010000 |
| 214 | #define XFS_QMOPT_RES_RTBLKS 0x0020000 |
| 215 | #define XFS_QMOPT_BCOUNT 0x0040000 |
| 216 | #define XFS_QMOPT_ICOUNT 0x0080000 |
| 217 | #define XFS_QMOPT_RTBCOUNT 0x0100000 |
| 218 | #define XFS_QMOPT_DELBCOUNT 0x0200000 |
| 219 | #define XFS_QMOPT_DELRTBCOUNT 0x0400000 |
| 220 | #define XFS_QMOPT_RES_INOS 0x0800000 |
| 221 | |
| 222 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 223 | * flags for dqalloc. |
| 224 | */ |
Dave Chinner | 20026d9 | 2010-02-04 09:48:58 +1100 | [diff] [blame] | 225 | #define XFS_QMOPT_INHERIT 0x1000000 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 226 | |
| 227 | /* |
| 228 | * flags to xfs_trans_mod_dquot. |
| 229 | */ |
| 230 | #define XFS_TRANS_DQ_RES_BLKS XFS_QMOPT_RES_REGBLKS |
| 231 | #define XFS_TRANS_DQ_RES_RTBLKS XFS_QMOPT_RES_RTBLKS |
| 232 | #define XFS_TRANS_DQ_RES_INOS XFS_QMOPT_RES_INOS |
| 233 | #define XFS_TRANS_DQ_BCOUNT XFS_QMOPT_BCOUNT |
| 234 | #define XFS_TRANS_DQ_DELBCOUNT XFS_QMOPT_DELBCOUNT |
| 235 | #define XFS_TRANS_DQ_ICOUNT XFS_QMOPT_ICOUNT |
| 236 | #define XFS_TRANS_DQ_RTBCOUNT XFS_QMOPT_RTBCOUNT |
| 237 | #define XFS_TRANS_DQ_DELRTBCOUNT XFS_QMOPT_DELRTBCOUNT |
| 238 | |
| 239 | |
Nathan Scott | c8ad20f | 2005-06-21 15:38:48 +1000 | [diff] [blame] | 240 | #define XFS_QMOPT_QUOTALL \ |
| 241 | (XFS_QMOPT_UQUOTA | XFS_QMOPT_PQUOTA | XFS_QMOPT_GQUOTA) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 242 | #define XFS_QMOPT_RESBLK_MASK (XFS_QMOPT_RES_REGBLKS | XFS_QMOPT_RES_RTBLKS) |
| 243 | |
| 244 | #ifdef __KERNEL__ |
| 245 | /* |
| 246 | * This check is done typically without holding the inode lock; |
Nathan Scott | c41564b | 2006-03-29 08:55:14 +1000 | [diff] [blame] | 247 | * that may seem racy, but it is harmless in the context that it is used. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 248 | * The inode cannot go inactive as long a reference is kept, and |
| 249 | * therefore if dquot(s) were attached, they'll stay consistent. |
| 250 | * If, for example, the ownership of the inode changes while |
| 251 | * we didn't have the inode locked, the appropriate dquot(s) will be |
| 252 | * attached atomically. |
| 253 | */ |
| 254 | #define XFS_NOT_DQATTACHED(mp, ip) ((XFS_IS_UQUOTA_ON(mp) &&\ |
| 255 | (ip)->i_udquot == NULL) || \ |
Nathan Scott | c8ad20f | 2005-06-21 15:38:48 +1000 | [diff] [blame] | 256 | (XFS_IS_OQUOTA_ON(mp) && \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 257 | (ip)->i_gdquot == NULL)) |
| 258 | |
Nathan Scott | c8ad20f | 2005-06-21 15:38:48 +1000 | [diff] [blame] | 259 | #define XFS_QM_NEED_QUOTACHECK(mp) \ |
| 260 | ((XFS_IS_UQUOTA_ON(mp) && \ |
| 261 | (mp->m_sb.sb_qflags & XFS_UQUOTA_CHKD) == 0) || \ |
| 262 | (XFS_IS_GQUOTA_ON(mp) && \ |
| 263 | ((mp->m_sb.sb_qflags & XFS_OQUOTA_CHKD) == 0 || \ |
| 264 | (mp->m_sb.sb_qflags & XFS_PQUOTA_ACCT))) || \ |
| 265 | (XFS_IS_PQUOTA_ON(mp) && \ |
| 266 | ((mp->m_sb.sb_qflags & XFS_OQUOTA_CHKD) == 0 || \ |
| 267 | (mp->m_sb.sb_qflags & XFS_GQUOTA_ACCT)))) |
| 268 | |
| 269 | #define XFS_MOUNT_QUOTA_SET1 (XFS_UQUOTA_ACCT|XFS_UQUOTA_ENFD|\ |
| 270 | XFS_UQUOTA_CHKD|XFS_PQUOTA_ACCT|\ |
| 271 | XFS_OQUOTA_ENFD|XFS_OQUOTA_CHKD) |
| 272 | |
| 273 | #define XFS_MOUNT_QUOTA_SET2 (XFS_UQUOTA_ACCT|XFS_UQUOTA_ENFD|\ |
| 274 | XFS_UQUOTA_CHKD|XFS_GQUOTA_ACCT|\ |
| 275 | XFS_OQUOTA_ENFD|XFS_OQUOTA_CHKD) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 276 | |
| 277 | #define XFS_MOUNT_QUOTA_ALL (XFS_UQUOTA_ACCT|XFS_UQUOTA_ENFD|\ |
Nathan Scott | c8ad20f | 2005-06-21 15:38:48 +1000 | [diff] [blame] | 278 | XFS_UQUOTA_CHKD|XFS_PQUOTA_ACCT|\ |
| 279 | XFS_OQUOTA_ENFD|XFS_OQUOTA_CHKD|\ |
| 280 | XFS_GQUOTA_ACCT) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 281 | |
| 282 | |
| 283 | /* |
| 284 | * The structure kept inside the xfs_trans_t keep track of dquot changes |
| 285 | * within a transaction and apply them later. |
| 286 | */ |
| 287 | typedef struct xfs_dqtrx { |
| 288 | struct xfs_dquot *qt_dquot; /* the dquot this refers to */ |
| 289 | ulong qt_blk_res; /* blks reserved on a dquot */ |
| 290 | ulong qt_blk_res_used; /* blks used from the reservation */ |
| 291 | ulong qt_ino_res; /* inode reserved on a dquot */ |
| 292 | ulong qt_ino_res_used; /* inodes used from the reservation */ |
| 293 | long qt_bcount_delta; /* dquot blk count changes */ |
| 294 | long qt_delbcnt_delta; /* delayed dquot blk count changes */ |
| 295 | long qt_icount_delta; /* dquot inode count changes */ |
| 296 | ulong qt_rtblk_res; /* # blks reserved on a dquot */ |
| 297 | ulong qt_rtblk_res_used;/* # blks used from reservation */ |
| 298 | long qt_rtbcount_delta;/* dquot realtime blk changes */ |
| 299 | long qt_delrtb_delta; /* delayed RT blk count changes */ |
| 300 | } xfs_dqtrx_t; |
| 301 | |
Christoph Hellwig | 7d09525 | 2009-06-08 15:33:32 +0200 | [diff] [blame] | 302 | #ifdef CONFIG_XFS_QUOTA |
| 303 | extern void xfs_trans_dup_dqinfo(struct xfs_trans *, struct xfs_trans *); |
| 304 | extern void xfs_trans_free_dqinfo(struct xfs_trans *); |
| 305 | extern void xfs_trans_mod_dquot_byino(struct xfs_trans *, struct xfs_inode *, |
| 306 | uint, long); |
| 307 | extern void xfs_trans_apply_dquot_deltas(struct xfs_trans *); |
| 308 | extern void xfs_trans_unreserve_and_mod_dquots(struct xfs_trans *); |
| 309 | extern int xfs_trans_reserve_quota_nblks(struct xfs_trans *, |
| 310 | struct xfs_inode *, long, long, uint); |
| 311 | extern int xfs_trans_reserve_quota_bydquots(struct xfs_trans *, |
| 312 | struct xfs_mount *, struct xfs_dquot *, |
| 313 | struct xfs_dquot *, long, long, uint); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 314 | |
Christoph Hellwig | 7d09525 | 2009-06-08 15:33:32 +0200 | [diff] [blame] | 315 | extern int xfs_qm_vop_dqalloc(struct xfs_inode *, uid_t, gid_t, prid_t, uint, |
| 316 | struct xfs_dquot **, struct xfs_dquot **); |
| 317 | extern void xfs_qm_vop_create_dqattach(struct xfs_trans *, struct xfs_inode *, |
| 318 | struct xfs_dquot *, struct xfs_dquot *); |
| 319 | extern int xfs_qm_vop_rename_dqattach(struct xfs_inode **); |
| 320 | extern struct xfs_dquot *xfs_qm_vop_chown(struct xfs_trans *, |
| 321 | struct xfs_inode *, struct xfs_dquot **, struct xfs_dquot *); |
| 322 | extern int xfs_qm_vop_chown_reserve(struct xfs_trans *, struct xfs_inode *, |
| 323 | struct xfs_dquot *, struct xfs_dquot *, uint); |
| 324 | extern int xfs_qm_dqattach(struct xfs_inode *, uint); |
| 325 | extern int xfs_qm_dqattach_locked(struct xfs_inode *, uint); |
| 326 | extern void xfs_qm_dqdetach(struct xfs_inode *); |
| 327 | extern void xfs_qm_dqrele(struct xfs_dquot *); |
| 328 | extern void xfs_qm_statvfs(struct xfs_inode *, struct kstatfs *); |
| 329 | extern int xfs_qm_sync(struct xfs_mount *, int); |
| 330 | extern int xfs_qm_newmount(struct xfs_mount *, uint *, uint *); |
| 331 | extern void xfs_qm_mount_quotas(struct xfs_mount *); |
| 332 | extern void xfs_qm_unmount(struct xfs_mount *); |
| 333 | extern void xfs_qm_unmount_quotas(struct xfs_mount *); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 334 | |
Christoph Hellwig | 7d09525 | 2009-06-08 15:33:32 +0200 | [diff] [blame] | 335 | #else |
Christoph Hellwig | 493b87e | 2009-06-12 11:34:55 -0400 | [diff] [blame] | 336 | static inline int |
| 337 | xfs_qm_vop_dqalloc(struct xfs_inode *ip, uid_t uid, gid_t gid, prid_t prid, |
| 338 | uint flags, struct xfs_dquot **udqp, struct xfs_dquot **gdqp) |
| 339 | { |
| 340 | *udqp = NULL; |
| 341 | *gdqp = NULL; |
| 342 | return 0; |
| 343 | } |
Christoph Hellwig | 7d09525 | 2009-06-08 15:33:32 +0200 | [diff] [blame] | 344 | #define xfs_trans_dup_dqinfo(tp, tp2) |
| 345 | #define xfs_trans_free_dqinfo(tp) |
| 346 | #define xfs_trans_mod_dquot_byino(tp, ip, fields, delta) |
| 347 | #define xfs_trans_apply_dquot_deltas(tp) |
| 348 | #define xfs_trans_unreserve_and_mod_dquots(tp) |
Christoph Hellwig | 5d2bf8a | 2010-11-06 11:42:56 +0000 | [diff] [blame] | 349 | static inline int xfs_trans_reserve_quota_nblks(struct xfs_trans *tp, |
| 350 | struct xfs_inode *ip, long nblks, long ninos, uint flags) |
| 351 | { |
| 352 | return 0; |
| 353 | } |
| 354 | static inline int xfs_trans_reserve_quota_bydquots(struct xfs_trans *tp, |
| 355 | struct xfs_mount *mp, struct xfs_dquot *udqp, |
| 356 | struct xfs_dquot *gdqp, long nblks, long nions, uint flags) |
| 357 | { |
| 358 | return 0; |
| 359 | } |
Christoph Hellwig | 7d09525 | 2009-06-08 15:33:32 +0200 | [diff] [blame] | 360 | #define xfs_qm_vop_create_dqattach(tp, ip, u, g) |
| 361 | #define xfs_qm_vop_rename_dqattach(it) (0) |
| 362 | #define xfs_qm_vop_chown(tp, ip, old, new) (NULL) |
| 363 | #define xfs_qm_vop_chown_reserve(tp, ip, u, g, fl) (0) |
| 364 | #define xfs_qm_dqattach(ip, fl) (0) |
| 365 | #define xfs_qm_dqattach_locked(ip, fl) (0) |
| 366 | #define xfs_qm_dqdetach(ip) |
| 367 | #define xfs_qm_dqrele(d) |
| 368 | #define xfs_qm_statvfs(ip, s) |
Christoph Hellwig | 5d2bf8a | 2010-11-06 11:42:56 +0000 | [diff] [blame] | 369 | static inline int xfs_qm_sync(struct xfs_mount *mp, int flags) |
| 370 | { |
| 371 | return 0; |
| 372 | } |
Christoph Hellwig | 7d09525 | 2009-06-08 15:33:32 +0200 | [diff] [blame] | 373 | #define xfs_qm_newmount(mp, a, b) (0) |
| 374 | #define xfs_qm_mount_quotas(mp) |
| 375 | #define xfs_qm_unmount(mp) |
Christoph Hellwig | 5d2bf8a | 2010-11-06 11:42:56 +0000 | [diff] [blame] | 376 | #define xfs_qm_unmount_quotas(mp) |
Christoph Hellwig | 7d09525 | 2009-06-08 15:33:32 +0200 | [diff] [blame] | 377 | #endif /* CONFIG_XFS_QUOTA */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 378 | |
Christoph Hellwig | 7d09525 | 2009-06-08 15:33:32 +0200 | [diff] [blame] | 379 | #define xfs_trans_unreserve_quota_nblks(tp, ip, nblks, ninos, flags) \ |
| 380 | xfs_trans_reserve_quota_nblks(tp, ip, -(nblks), -(ninos), flags) |
| 381 | #define xfs_trans_reserve_quota(tp, mp, ud, gd, nb, ni, f) \ |
| 382 | xfs_trans_reserve_quota_bydquots(tp, mp, ud, gd, nb, ni, \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 383 | f | XFS_QMOPT_RES_REGBLKS) |
| 384 | |
Dave Chinner | a0fa2b6 | 2011-03-07 10:01:35 +1100 | [diff] [blame^] | 385 | extern int xfs_qm_dqcheck(struct xfs_mount *, xfs_disk_dquot_t *, |
| 386 | xfs_dqid_t, uint, uint, char *); |
Tim Shimmin | 4cd4a03 | 2005-09-05 08:24:10 +1000 | [diff] [blame] | 387 | extern int xfs_mount_reset_sbqflags(struct xfs_mount *); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 388 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 389 | #endif /* __KERNEL__ */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 390 | #endif /* __XFS_QUOTA_H__ */ |