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1da177e4 | 1 | /* |
7b718769 NS |
2 | * Copyright (c) 2000-2005 Silicon Graphics, Inc. |
3 | * All Rights Reserved. | |
1da177e4 | 4 | * |
7b718769 NS |
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 | |
1da177e4 LT |
7 | * published by the Free Software Foundation. |
8 | * | |
7b718769 NS |
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. | |
1da177e4 | 13 | * |
7b718769 NS |
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 | |
1da177e4 LT |
17 | */ |
18 | #ifndef __XFS_QUOTA_H__ | |
19 | #define __XFS_QUOTA_H__ | |
20 | ||
21 | /* | |
22 | * The ondisk form of a dquot structure. | |
23 | */ | |
24 | #define XFS_DQUOT_MAGIC 0x4451 /* 'DQ' */ | |
25 | #define XFS_DQUOT_VERSION (u_int8_t)0x01 /* latest version number */ | |
26 | ||
27 | /* | |
28 | * uid_t and gid_t are hard-coded to 32 bits in the inode. | |
29 | * Hence, an 'id' in a dquot is 32 bits.. | |
30 | */ | |
c310ab6c | 31 | typedef __uint32_t xfs_dqid_t; |
1da177e4 LT |
32 | |
33 | /* | |
c41564b5 | 34 | * Even though users may not have quota limits occupying all 64-bits, |
1da177e4 LT |
35 | * they may need 64-bit accounting. Hence, 64-bit quota-counters, |
36 | * and quota-limits. This is a waste in the common case, but hey ... | |
37 | */ | |
38 | typedef __uint64_t xfs_qcnt_t; | |
39 | typedef __uint16_t xfs_qwarncnt_t; | |
40 | ||
41 | /* | |
42 | * This is the main portion of the on-disk representation of quota | |
43 | * information for a user. This is the q_core of the xfs_dquot_t that | |
44 | * is kept in kernel memory. We pad this with some more expansion room | |
45 | * to construct the on disk structure. | |
46 | */ | |
47 | typedef struct xfs_disk_dquot { | |
1149d96a CH |
48 | __be16 d_magic; /* dquot magic = XFS_DQUOT_MAGIC */ |
49 | __u8 d_version; /* dquot version */ | |
50 | __u8 d_flags; /* XFS_DQ_USER/PROJ/GROUP */ | |
51 | __be32 d_id; /* user,project,group id */ | |
52 | __be64 d_blk_hardlimit;/* absolute limit on disk blks */ | |
53 | __be64 d_blk_softlimit;/* preferred limit on disk blks */ | |
54 | __be64 d_ino_hardlimit;/* maximum # allocated inodes */ | |
55 | __be64 d_ino_softlimit;/* preferred inode limit */ | |
56 | __be64 d_bcount; /* disk blocks owned by the user */ | |
57 | __be64 d_icount; /* inodes owned by the user */ | |
58 | __be32 d_itimer; /* zero if within inode limits if not, | |
1da177e4 | 59 | this is when we refuse service */ |
1149d96a CH |
60 | __be32 d_btimer; /* similar to above; for disk blocks */ |
61 | __be16 d_iwarns; /* warnings issued wrt num inodes */ | |
62 | __be16 d_bwarns; /* warnings issued wrt disk blocks */ | |
63 | __be32 d_pad0; /* 64 bit align */ | |
64 | __be64 d_rtb_hardlimit;/* absolute limit on realtime blks */ | |
65 | __be64 d_rtb_softlimit;/* preferred limit on RT disk blks */ | |
66 | __be64 d_rtbcount; /* realtime blocks owned */ | |
67 | __be32 d_rtbtimer; /* similar to above; for RT disk blocks */ | |
68 | __be16 d_rtbwarns; /* warnings issued wrt RT disk blocks */ | |
69 | __be16 d_pad; | |
1da177e4 LT |
70 | } xfs_disk_dquot_t; |
71 | ||
72 | /* | |
73 | * This is what goes on disk. This is separated from the xfs_disk_dquot because | |
74 | * carrying the unnecessary padding would be a waste of memory. | |
75 | */ | |
76 | typedef struct xfs_dqblk { | |
77 | xfs_disk_dquot_t dd_diskdq; /* portion that lives incore as well */ | |
78 | char dd_fill[32]; /* filling for posterity */ | |
79 | } xfs_dqblk_t; | |
80 | ||
81 | /* | |
82 | * flags for q_flags field in the dquot. | |
83 | */ | |
84 | #define XFS_DQ_USER 0x0001 /* a user quota */ | |
c8ad20ff | 85 | #define XFS_DQ_PROJ 0x0002 /* project quota */ |
1da177e4 LT |
86 | #define XFS_DQ_GROUP 0x0004 /* a group quota */ |
87 | #define XFS_DQ_FLOCKED 0x0008 /* flush lock taken */ | |
88 | #define XFS_DQ_DIRTY 0x0010 /* dquot is dirty */ | |
89 | #define XFS_DQ_WANT 0x0020 /* for lookup/reclaim race */ | |
90 | #define XFS_DQ_INACTIVE 0x0040 /* dq off mplist & hashlist */ | |
91 | #define XFS_DQ_MARKER 0x0080 /* sentinel */ | |
92 | ||
c8ad20ff NS |
93 | #define XFS_DQ_ALLTYPES (XFS_DQ_USER|XFS_DQ_PROJ|XFS_DQ_GROUP) |
94 | ||
1da177e4 LT |
95 | /* |
96 | * In the worst case, when both user and group quotas are on, | |
97 | * we can have a max of three dquots changing in a single transaction. | |
98 | */ | |
99 | #define XFS_DQUOT_LOGRES(mp) (sizeof(xfs_disk_dquot_t) * 3) | |
100 | ||
101 | ||
102 | /* | |
103 | * These are the structures used to lay out dquots and quotaoff | |
104 | * records on the log. Quite similar to those of inodes. | |
105 | */ | |
106 | ||
107 | /* | |
108 | * log format struct for dquots. | |
109 | * The first two fields must be the type and size fitting into | |
110 | * 32 bits : log_recovery code assumes that. | |
111 | */ | |
112 | typedef struct xfs_dq_logformat { | |
113 | __uint16_t qlf_type; /* dquot log item type */ | |
114 | __uint16_t qlf_size; /* size of this item */ | |
c8ad20ff | 115 | xfs_dqid_t qlf_id; /* usr/grp/proj id : 32 bits */ |
1da177e4 LT |
116 | __int64_t qlf_blkno; /* blkno of dquot buffer */ |
117 | __int32_t qlf_len; /* len of dquot buffer */ | |
118 | __uint32_t qlf_boffset; /* off of dquot in buffer */ | |
119 | } xfs_dq_logformat_t; | |
120 | ||
121 | /* | |
122 | * log format struct for QUOTAOFF records. | |
123 | * The first two fields must be the type and size fitting into | |
124 | * 32 bits : log_recovery code assumes that. | |
125 | * We write two LI_QUOTAOFF logitems per quotaoff, the last one keeps a pointer | |
126 | * to the first and ensures that the first logitem is taken out of the AIL | |
127 | * only when the last one is securely committed. | |
128 | */ | |
129 | typedef struct xfs_qoff_logformat { | |
130 | unsigned short qf_type; /* quotaoff log item type */ | |
131 | unsigned short qf_size; /* size of this item */ | |
132 | unsigned int qf_flags; /* USR and/or GRP */ | |
133 | char qf_pad[12]; /* padding for future */ | |
134 | } xfs_qoff_logformat_t; | |
135 | ||
136 | ||
137 | /* | |
138 | * Disk quotas status in m_qflags, and also sb_qflags. 16 bits. | |
139 | */ | |
140 | #define XFS_UQUOTA_ACCT 0x0001 /* user quota accounting ON */ | |
141 | #define XFS_UQUOTA_ENFD 0x0002 /* user quota limits enforced */ | |
142 | #define XFS_UQUOTA_CHKD 0x0004 /* quotacheck run on usr quotas */ | |
c8ad20ff NS |
143 | #define XFS_PQUOTA_ACCT 0x0008 /* project quota accounting ON */ |
144 | #define XFS_OQUOTA_ENFD 0x0010 /* other (grp/prj) quota limits enforced */ | |
145 | #define XFS_OQUOTA_CHKD 0x0020 /* quotacheck run on other (grp/prj) quotas */ | |
1da177e4 LT |
146 | #define XFS_GQUOTA_ACCT 0x0040 /* group quota accounting ON */ |
147 | ||
4cd4a034 TS |
148 | /* |
149 | * Quota Accounting/Enforcement flags | |
150 | */ | |
151 | #define XFS_ALL_QUOTA_ACCT \ | |
152 | (XFS_UQUOTA_ACCT | XFS_GQUOTA_ACCT | XFS_PQUOTA_ACCT) | |
153 | #define XFS_ALL_QUOTA_ENFD (XFS_UQUOTA_ENFD | XFS_OQUOTA_ENFD) | |
154 | #define XFS_ALL_QUOTA_CHKD (XFS_UQUOTA_CHKD | XFS_OQUOTA_CHKD) | |
155 | ||
156 | #define XFS_IS_QUOTA_RUNNING(mp) ((mp)->m_qflags & XFS_ALL_QUOTA_ACCT) | |
157 | #define XFS_IS_QUOTA_ENFORCED(mp) ((mp)->m_qflags & XFS_ALL_QUOTA_ENFD) | |
158 | #define XFS_IS_UQUOTA_RUNNING(mp) ((mp)->m_qflags & XFS_UQUOTA_ACCT) | |
159 | #define XFS_IS_PQUOTA_RUNNING(mp) ((mp)->m_qflags & XFS_PQUOTA_ACCT) | |
160 | #define XFS_IS_GQUOTA_RUNNING(mp) ((mp)->m_qflags & XFS_GQUOTA_ACCT) | |
161 | ||
1da177e4 LT |
162 | /* |
163 | * Incore only flags for quotaoff - these bits get cleared when quota(s) | |
164 | * are in the process of getting turned off. These flags are in m_qflags but | |
165 | * never in sb_qflags. | |
166 | */ | |
c8ad20ff NS |
167 | #define XFS_UQUOTA_ACTIVE 0x0100 /* uquotas are being turned off */ |
168 | #define XFS_PQUOTA_ACTIVE 0x0200 /* pquotas are being turned off */ | |
169 | #define XFS_GQUOTA_ACTIVE 0x0400 /* gquotas are being turned off */ | |
1da177e4 LT |
170 | |
171 | /* | |
172 | * Checking XFS_IS_*QUOTA_ON() while holding any inode lock guarantees | |
173 | * quota will be not be switched off as long as that inode lock is held. | |
174 | */ | |
175 | #define XFS_IS_QUOTA_ON(mp) ((mp)->m_qflags & (XFS_UQUOTA_ACTIVE | \ | |
c8ad20ff NS |
176 | XFS_GQUOTA_ACTIVE | \ |
177 | XFS_PQUOTA_ACTIVE)) | |
178 | #define XFS_IS_OQUOTA_ON(mp) ((mp)->m_qflags & (XFS_GQUOTA_ACTIVE | \ | |
179 | XFS_PQUOTA_ACTIVE)) | |
1da177e4 LT |
180 | #define XFS_IS_UQUOTA_ON(mp) ((mp)->m_qflags & XFS_UQUOTA_ACTIVE) |
181 | #define XFS_IS_GQUOTA_ON(mp) ((mp)->m_qflags & XFS_GQUOTA_ACTIVE) | |
c8ad20ff | 182 | #define XFS_IS_PQUOTA_ON(mp) ((mp)->m_qflags & XFS_PQUOTA_ACTIVE) |
1da177e4 LT |
183 | |
184 | /* | |
185 | * Flags to tell various functions what to do. Not all of these are meaningful | |
186 | * to a single function. None of these XFS_QMOPT_* flags are meant to have | |
187 | * persistent values (ie. their values can and will change between versions) | |
188 | */ | |
189 | #define XFS_QMOPT_DQLOCK 0x0000001 /* dqlock */ | |
190 | #define XFS_QMOPT_DQALLOC 0x0000002 /* alloc dquot ondisk if needed */ | |
191 | #define XFS_QMOPT_UQUOTA 0x0000004 /* user dquot requested */ | |
c8ad20ff | 192 | #define XFS_QMOPT_PQUOTA 0x0000008 /* project dquot requested */ |
1da177e4 LT |
193 | #define XFS_QMOPT_FORCE_RES 0x0000010 /* ignore quota limits */ |
194 | #define XFS_QMOPT_DQSUSER 0x0000020 /* don't cache super users dquot */ | |
195 | #define XFS_QMOPT_SBVERSION 0x0000040 /* change superblock version num */ | |
196 | #define XFS_QMOPT_QUOTAOFF 0x0000080 /* quotas are being turned off */ | |
197 | #define XFS_QMOPT_UMOUNTING 0x0000100 /* filesys is being unmounted */ | |
198 | #define XFS_QMOPT_DOLOG 0x0000200 /* log buf changes (in quotacheck) */ | |
9a2a7de2 | 199 | #define XFS_QMOPT_DOWARN 0x0000400 /* increase warning cnt if needed */ |
1da177e4 | 200 | #define XFS_QMOPT_ILOCKED 0x0000800 /* inode is already locked (excl) */ |
9a2a7de2 | 201 | #define XFS_QMOPT_DQREPAIR 0x0001000 /* repair dquot if damaged */ |
c8ad20ff | 202 | #define XFS_QMOPT_GQUOTA 0x0002000 /* group dquot requested */ |
9a2a7de2 | 203 | #define XFS_QMOPT_ENOSPC 0x0004000 /* enospc instead of edquot (prj) */ |
1da177e4 LT |
204 | |
205 | /* | |
206 | * flags to xfs_trans_mod_dquot to indicate which field needs to be | |
207 | * modified. | |
208 | */ | |
209 | #define XFS_QMOPT_RES_REGBLKS 0x0010000 | |
210 | #define XFS_QMOPT_RES_RTBLKS 0x0020000 | |
211 | #define XFS_QMOPT_BCOUNT 0x0040000 | |
212 | #define XFS_QMOPT_ICOUNT 0x0080000 | |
213 | #define XFS_QMOPT_RTBCOUNT 0x0100000 | |
214 | #define XFS_QMOPT_DELBCOUNT 0x0200000 | |
215 | #define XFS_QMOPT_DELRTBCOUNT 0x0400000 | |
216 | #define XFS_QMOPT_RES_INOS 0x0800000 | |
217 | ||
218 | /* | |
219 | * flags for dqflush and dqflush_all. | |
220 | */ | |
221 | #define XFS_QMOPT_SYNC 0x1000000 | |
222 | #define XFS_QMOPT_ASYNC 0x2000000 | |
223 | #define XFS_QMOPT_DELWRI 0x4000000 | |
224 | ||
225 | /* | |
226 | * flags for dqalloc. | |
227 | */ | |
228 | #define XFS_QMOPT_INHERIT 0x8000000 | |
229 | ||
230 | /* | |
231 | * flags to xfs_trans_mod_dquot. | |
232 | */ | |
233 | #define XFS_TRANS_DQ_RES_BLKS XFS_QMOPT_RES_REGBLKS | |
234 | #define XFS_TRANS_DQ_RES_RTBLKS XFS_QMOPT_RES_RTBLKS | |
235 | #define XFS_TRANS_DQ_RES_INOS XFS_QMOPT_RES_INOS | |
236 | #define XFS_TRANS_DQ_BCOUNT XFS_QMOPT_BCOUNT | |
237 | #define XFS_TRANS_DQ_DELBCOUNT XFS_QMOPT_DELBCOUNT | |
238 | #define XFS_TRANS_DQ_ICOUNT XFS_QMOPT_ICOUNT | |
239 | #define XFS_TRANS_DQ_RTBCOUNT XFS_QMOPT_RTBCOUNT | |
240 | #define XFS_TRANS_DQ_DELRTBCOUNT XFS_QMOPT_DELRTBCOUNT | |
241 | ||
242 | ||
c8ad20ff NS |
243 | #define XFS_QMOPT_QUOTALL \ |
244 | (XFS_QMOPT_UQUOTA | XFS_QMOPT_PQUOTA | XFS_QMOPT_GQUOTA) | |
1da177e4 LT |
245 | #define XFS_QMOPT_RESBLK_MASK (XFS_QMOPT_RES_REGBLKS | XFS_QMOPT_RES_RTBLKS) |
246 | ||
247 | #ifdef __KERNEL__ | |
248 | /* | |
249 | * This check is done typically without holding the inode lock; | |
c41564b5 | 250 | * that may seem racy, but it is harmless in the context that it is used. |
1da177e4 LT |
251 | * The inode cannot go inactive as long a reference is kept, and |
252 | * therefore if dquot(s) were attached, they'll stay consistent. | |
253 | * If, for example, the ownership of the inode changes while | |
254 | * we didn't have the inode locked, the appropriate dquot(s) will be | |
255 | * attached atomically. | |
256 | */ | |
257 | #define XFS_NOT_DQATTACHED(mp, ip) ((XFS_IS_UQUOTA_ON(mp) &&\ | |
258 | (ip)->i_udquot == NULL) || \ | |
c8ad20ff | 259 | (XFS_IS_OQUOTA_ON(mp) && \ |
1da177e4 LT |
260 | (ip)->i_gdquot == NULL)) |
261 | ||
c8ad20ff NS |
262 | #define XFS_QM_NEED_QUOTACHECK(mp) \ |
263 | ((XFS_IS_UQUOTA_ON(mp) && \ | |
264 | (mp->m_sb.sb_qflags & XFS_UQUOTA_CHKD) == 0) || \ | |
265 | (XFS_IS_GQUOTA_ON(mp) && \ | |
266 | ((mp->m_sb.sb_qflags & XFS_OQUOTA_CHKD) == 0 || \ | |
267 | (mp->m_sb.sb_qflags & XFS_PQUOTA_ACCT))) || \ | |
268 | (XFS_IS_PQUOTA_ON(mp) && \ | |
269 | ((mp->m_sb.sb_qflags & XFS_OQUOTA_CHKD) == 0 || \ | |
270 | (mp->m_sb.sb_qflags & XFS_GQUOTA_ACCT)))) | |
1da177e4 | 271 | |
c8ad20ff NS |
272 | #define XFS_MOUNT_QUOTA_SET1 (XFS_UQUOTA_ACCT|XFS_UQUOTA_ENFD|\ |
273 | XFS_UQUOTA_CHKD|XFS_PQUOTA_ACCT|\ | |
274 | XFS_OQUOTA_ENFD|XFS_OQUOTA_CHKD) | |
275 | ||
276 | #define XFS_MOUNT_QUOTA_SET2 (XFS_UQUOTA_ACCT|XFS_UQUOTA_ENFD|\ | |
1da177e4 | 277 | XFS_UQUOTA_CHKD|XFS_GQUOTA_ACCT|\ |
c8ad20ff NS |
278 | XFS_OQUOTA_ENFD|XFS_OQUOTA_CHKD) |
279 | ||
280 | #define XFS_MOUNT_QUOTA_ALL (XFS_UQUOTA_ACCT|XFS_UQUOTA_ENFD|\ | |
281 | XFS_UQUOTA_CHKD|XFS_PQUOTA_ACCT|\ | |
282 | XFS_OQUOTA_ENFD|XFS_OQUOTA_CHKD|\ | |
283 | XFS_GQUOTA_ACCT) | |
1da177e4 LT |
284 | |
285 | ||
286 | /* | |
287 | * The structure kept inside the xfs_trans_t keep track of dquot changes | |
288 | * within a transaction and apply them later. | |
289 | */ | |
290 | typedef struct xfs_dqtrx { | |
291 | struct xfs_dquot *qt_dquot; /* the dquot this refers to */ | |
292 | ulong qt_blk_res; /* blks reserved on a dquot */ | |
293 | ulong qt_blk_res_used; /* blks used from the reservation */ | |
294 | ulong qt_ino_res; /* inode reserved on a dquot */ | |
295 | ulong qt_ino_res_used; /* inodes used from the reservation */ | |
296 | long qt_bcount_delta; /* dquot blk count changes */ | |
297 | long qt_delbcnt_delta; /* delayed dquot blk count changes */ | |
298 | long qt_icount_delta; /* dquot inode count changes */ | |
299 | ulong qt_rtblk_res; /* # blks reserved on a dquot */ | |
300 | ulong qt_rtblk_res_used;/* # blks used from reservation */ | |
301 | long qt_rtbcount_delta;/* dquot realtime blk changes */ | |
302 | long qt_delrtb_delta; /* delayed RT blk count changes */ | |
303 | } xfs_dqtrx_t; | |
304 | ||
305 | /* | |
306 | * Dquot transaction functions, used if quota is enabled. | |
307 | */ | |
308 | typedef void (*qo_dup_dqinfo_t)(struct xfs_trans *, struct xfs_trans *); | |
309 | typedef void (*qo_mod_dquot_byino_t)(struct xfs_trans *, | |
310 | struct xfs_inode *, uint, long); | |
311 | typedef void (*qo_free_dqinfo_t)(struct xfs_trans *); | |
312 | typedef void (*qo_apply_dquot_deltas_t)(struct xfs_trans *); | |
313 | typedef void (*qo_unreserve_and_mod_dquots_t)(struct xfs_trans *); | |
314 | typedef int (*qo_reserve_quota_nblks_t)( | |
315 | struct xfs_trans *, struct xfs_mount *, | |
316 | struct xfs_inode *, long, long, uint); | |
317 | typedef int (*qo_reserve_quota_bydquots_t)( | |
318 | struct xfs_trans *, struct xfs_mount *, | |
319 | struct xfs_dquot *, struct xfs_dquot *, | |
320 | long, long, uint); | |
321 | typedef struct xfs_dqtrxops { | |
322 | qo_dup_dqinfo_t qo_dup_dqinfo; | |
323 | qo_free_dqinfo_t qo_free_dqinfo; | |
324 | qo_mod_dquot_byino_t qo_mod_dquot_byino; | |
325 | qo_apply_dquot_deltas_t qo_apply_dquot_deltas; | |
326 | qo_reserve_quota_nblks_t qo_reserve_quota_nblks; | |
327 | qo_reserve_quota_bydquots_t qo_reserve_quota_bydquots; | |
328 | qo_unreserve_and_mod_dquots_t qo_unreserve_and_mod_dquots; | |
329 | } xfs_dqtrxops_t; | |
330 | ||
331 | #define XFS_DQTRXOP(mp, tp, op, args...) \ | |
332 | ((mp)->m_qm_ops.xfs_dqtrxops ? \ | |
333 | ((mp)->m_qm_ops.xfs_dqtrxops->op)(tp, ## args) : 0) | |
334 | ||
335 | #define XFS_DQTRXOP_VOID(mp, tp, op, args...) \ | |
336 | ((mp)->m_qm_ops.xfs_dqtrxops ? \ | |
337 | ((mp)->m_qm_ops.xfs_dqtrxops->op)(tp, ## args) : (void)0) | |
338 | ||
339 | #define XFS_TRANS_DUP_DQINFO(mp, otp, ntp) \ | |
340 | XFS_DQTRXOP_VOID(mp, otp, qo_dup_dqinfo, ntp) | |
341 | #define XFS_TRANS_FREE_DQINFO(mp, tp) \ | |
342 | XFS_DQTRXOP_VOID(mp, tp, qo_free_dqinfo) | |
343 | #define XFS_TRANS_MOD_DQUOT_BYINO(mp, tp, ip, field, delta) \ | |
344 | XFS_DQTRXOP_VOID(mp, tp, qo_mod_dquot_byino, ip, field, delta) | |
345 | #define XFS_TRANS_APPLY_DQUOT_DELTAS(mp, tp) \ | |
346 | XFS_DQTRXOP_VOID(mp, tp, qo_apply_dquot_deltas) | |
347 | #define XFS_TRANS_RESERVE_QUOTA_NBLKS(mp, tp, ip, nblks, ninos, fl) \ | |
348 | XFS_DQTRXOP(mp, tp, qo_reserve_quota_nblks, mp, ip, nblks, ninos, fl) | |
349 | #define XFS_TRANS_RESERVE_QUOTA_BYDQUOTS(mp, tp, ud, gd, nb, ni, fl) \ | |
350 | XFS_DQTRXOP(mp, tp, qo_reserve_quota_bydquots, mp, ud, gd, nb, ni, fl) | |
351 | #define XFS_TRANS_UNRESERVE_AND_MOD_DQUOTS(mp, tp) \ | |
352 | XFS_DQTRXOP_VOID(mp, tp, qo_unreserve_and_mod_dquots) | |
353 | ||
06d10dd9 NS |
354 | #define XFS_TRANS_UNRESERVE_QUOTA_NBLKS(mp, tp, ip, nblks, ninos, flags) \ |
355 | XFS_TRANS_RESERVE_QUOTA_NBLKS(mp, tp, ip, -(nblks), -(ninos), flags) | |
1da177e4 LT |
356 | #define XFS_TRANS_RESERVE_QUOTA(mp, tp, ud, gd, nb, ni, f) \ |
357 | XFS_TRANS_RESERVE_QUOTA_BYDQUOTS(mp, tp, ud, gd, nb, ni, \ | |
358 | f | XFS_QMOPT_RES_REGBLKS) | |
359 | #define XFS_TRANS_UNRESERVE_QUOTA(mp, tp, ud, gd, nb, ni, f) \ | |
360 | XFS_TRANS_RESERVE_QUOTA_BYDQUOTS(mp, tp, ud, gd, -(nb), -(ni), \ | |
361 | f | XFS_QMOPT_RES_REGBLKS) | |
362 | ||
363 | extern int xfs_qm_dqcheck(xfs_disk_dquot_t *, xfs_dqid_t, uint, uint, char *); | |
4cd4a034 | 364 | extern int xfs_mount_reset_sbqflags(struct xfs_mount *); |
1da177e4 | 365 | |
b83bd138 | 366 | extern struct bhv_module_vfsops xfs_qmops; |
1da177e4 LT |
367 | |
368 | #endif /* __KERNEL__ */ | |
369 | ||
370 | #endif /* __XFS_QUOTA_H__ */ |