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) 2000-2002 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 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 18 | #include "xfs.h" |
| 19 | #include "xfs_fs.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 20 | #include "xfs_log.h" |
| 21 | #include "xfs_trans.h" |
| 22 | #include "xfs_sb.h" |
| 23 | #include "xfs_ag.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 24 | #include "xfs_alloc.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 25 | #include "xfs_quota.h" |
| 26 | #include "xfs_mount.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 27 | #include "xfs_bmap_btree.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 28 | #include "xfs_inode.h" |
Nathan Scott | a844f45 | 2005-11-02 14:38:42 +1100 | [diff] [blame] | 29 | #include "xfs_itable.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 30 | #include "xfs_bmap.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 31 | #include "xfs_rtalloc.h" |
| 32 | #include "xfs_error.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 33 | #include "xfs_attr.h" |
| 34 | #include "xfs_buf_item.h" |
| 35 | #include "xfs_trans_priv.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 36 | #include "xfs_qm.h" |
| 37 | |
| 38 | STATIC void xfs_trans_alloc_dqinfo(xfs_trans_t *); |
| 39 | |
| 40 | /* |
| 41 | * Add the locked dquot to the transaction. |
| 42 | * The dquot must be locked, and it cannot be associated with any |
| 43 | * transaction. |
| 44 | */ |
| 45 | void |
| 46 | xfs_trans_dqjoin( |
| 47 | xfs_trans_t *tp, |
| 48 | xfs_dquot_t *dqp) |
| 49 | { |
Christoph Hellwig | 191f848 | 2010-04-20 17:01:53 +1000 | [diff] [blame] | 50 | ASSERT(dqp->q_transp != tp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 51 | ASSERT(XFS_DQ_IS_LOCKED(dqp)); |
Christoph Hellwig | e98c414 | 2010-06-23 18:11:15 +1000 | [diff] [blame] | 52 | ASSERT(dqp->q_logitem.qli_dquot == dqp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 53 | |
| 54 | /* |
| 55 | * Get a log_item_desc to point at the new item. |
| 56 | */ |
Christoph Hellwig | e98c414 | 2010-06-23 18:11:15 +1000 | [diff] [blame] | 57 | xfs_trans_add_item(tp, &dqp->q_logitem.qli_item); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 58 | |
| 59 | /* |
Christoph Hellwig | f3ca8738 | 2011-07-08 14:34:47 +0200 | [diff] [blame] | 60 | * Initialize d_transp so we can later determine if this dquot is |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 61 | * associated with this transaction. |
| 62 | */ |
| 63 | dqp->q_transp = tp; |
| 64 | } |
| 65 | |
| 66 | |
| 67 | /* |
| 68 | * This is called to mark the dquot as needing |
| 69 | * to be logged when the transaction is committed. The dquot must |
| 70 | * already be associated with the given transaction. |
| 71 | * Note that it marks the entire transaction as dirty. In the ordinary |
| 72 | * case, this gets called via xfs_trans_commit, after the transaction |
| 73 | * is already dirty. However, there's nothing stop this from getting |
| 74 | * called directly, as done by xfs_qm_scall_setqlim. Hence, the TRANS_DIRTY |
| 75 | * flag. |
| 76 | */ |
| 77 | void |
| 78 | xfs_trans_log_dquot( |
| 79 | xfs_trans_t *tp, |
| 80 | xfs_dquot_t *dqp) |
| 81 | { |
Christoph Hellwig | 191f848 | 2010-04-20 17:01:53 +1000 | [diff] [blame] | 82 | ASSERT(dqp->q_transp == tp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 83 | ASSERT(XFS_DQ_IS_LOCKED(dqp)); |
| 84 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 85 | tp->t_flags |= XFS_TRANS_DIRTY; |
Christoph Hellwig | e98c414 | 2010-06-23 18:11:15 +1000 | [diff] [blame] | 86 | dqp->q_logitem.qli_item.li_desc->lid_flags |= XFS_LID_DIRTY; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 87 | } |
| 88 | |
| 89 | /* |
| 90 | * Carry forward whatever is left of the quota blk reservation to |
| 91 | * the spanky new transaction |
| 92 | */ |
Christoph Hellwig | 7d09525 | 2009-06-08 15:33:32 +0200 | [diff] [blame] | 93 | void |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 94 | xfs_trans_dup_dqinfo( |
| 95 | xfs_trans_t *otp, |
| 96 | xfs_trans_t *ntp) |
| 97 | { |
| 98 | xfs_dqtrx_t *oq, *nq; |
| 99 | int i,j; |
| 100 | xfs_dqtrx_t *oqa, *nqa; |
| 101 | |
| 102 | if (!otp->t_dqinfo) |
| 103 | return; |
| 104 | |
| 105 | xfs_trans_alloc_dqinfo(ntp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 106 | |
| 107 | /* |
| 108 | * Because the quota blk reservation is carried forward, |
| 109 | * it is also necessary to carry forward the DQ_DIRTY flag. |
| 110 | */ |
| 111 | if(otp->t_flags & XFS_TRANS_DQ_DIRTY) |
| 112 | ntp->t_flags |= XFS_TRANS_DQ_DIRTY; |
| 113 | |
Chandra Seetharaman | 0e6436d | 2013-06-27 17:25:09 -0500 | [diff] [blame] | 114 | for (j = 0; j < XFS_QM_TRANS_DQTYPES; j++) { |
| 115 | oqa = otp->t_dqinfo->dqs[j]; |
| 116 | nqa = ntp->t_dqinfo->dqs[j]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 117 | for (i = 0; i < XFS_QM_TRANS_MAXDQS; i++) { |
| 118 | if (oqa[i].qt_dquot == NULL) |
| 119 | break; |
| 120 | oq = &oqa[i]; |
| 121 | nq = &nqa[i]; |
| 122 | |
| 123 | nq->qt_dquot = oq->qt_dquot; |
| 124 | nq->qt_bcount_delta = nq->qt_icount_delta = 0; |
| 125 | nq->qt_rtbcount_delta = 0; |
| 126 | |
| 127 | /* |
| 128 | * Transfer whatever is left of the reservations. |
| 129 | */ |
| 130 | nq->qt_blk_res = oq->qt_blk_res - oq->qt_blk_res_used; |
| 131 | oq->qt_blk_res = oq->qt_blk_res_used; |
| 132 | |
| 133 | nq->qt_rtblk_res = oq->qt_rtblk_res - |
| 134 | oq->qt_rtblk_res_used; |
| 135 | oq->qt_rtblk_res = oq->qt_rtblk_res_used; |
| 136 | |
| 137 | nq->qt_ino_res = oq->qt_ino_res - oq->qt_ino_res_used; |
| 138 | oq->qt_ino_res = oq->qt_ino_res_used; |
| 139 | |
| 140 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 141 | } |
| 142 | } |
| 143 | |
| 144 | /* |
| 145 | * Wrap around mod_dquot to account for both user and group quotas. |
| 146 | */ |
Christoph Hellwig | 7d09525 | 2009-06-08 15:33:32 +0200 | [diff] [blame] | 147 | void |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 148 | xfs_trans_mod_dquot_byino( |
| 149 | xfs_trans_t *tp, |
| 150 | xfs_inode_t *ip, |
| 151 | uint field, |
| 152 | long delta) |
| 153 | { |
Christoph Hellwig | 7d09525 | 2009-06-08 15:33:32 +0200 | [diff] [blame] | 154 | xfs_mount_t *mp = tp->t_mountp; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 155 | |
Christoph Hellwig | 7d09525 | 2009-06-08 15:33:32 +0200 | [diff] [blame] | 156 | if (!XFS_IS_QUOTA_RUNNING(mp) || |
| 157 | !XFS_IS_QUOTA_ON(mp) || |
Chandra Seetharaman | 9cad19d | 2013-06-27 17:25:04 -0500 | [diff] [blame] | 158 | xfs_is_quota_inode(&mp->m_sb, ip->i_ino)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 159 | return; |
| 160 | |
| 161 | if (tp->t_dqinfo == NULL) |
| 162 | xfs_trans_alloc_dqinfo(tp); |
| 163 | |
Nathan Scott | c8ad20f | 2005-06-21 15:38:48 +1000 | [diff] [blame] | 164 | if (XFS_IS_UQUOTA_ON(mp) && ip->i_udquot) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 165 | (void) xfs_trans_mod_dquot(tp, ip->i_udquot, field, delta); |
Chandra Seetharaman | 92f8ff7 | 2013-07-11 00:00:40 -0500 | [diff] [blame^] | 166 | if (XFS_IS_GQUOTA_ON(mp) && ip->i_gdquot) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 167 | (void) xfs_trans_mod_dquot(tp, ip->i_gdquot, field, delta); |
Chandra Seetharaman | 92f8ff7 | 2013-07-11 00:00:40 -0500 | [diff] [blame^] | 168 | if (XFS_IS_PQUOTA_ON(mp) && ip->i_pdquot) |
| 169 | (void) xfs_trans_mod_dquot(tp, ip->i_pdquot, field, delta); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 170 | } |
| 171 | |
Chandra Seetharaman | 113a568 | 2013-06-27 17:25:07 -0500 | [diff] [blame] | 172 | STATIC struct xfs_dqtrx * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 173 | xfs_trans_get_dqtrx( |
Chandra Seetharaman | 113a568 | 2013-06-27 17:25:07 -0500 | [diff] [blame] | 174 | struct xfs_trans *tp, |
| 175 | struct xfs_dquot *dqp) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 176 | { |
Chandra Seetharaman | 113a568 | 2013-06-27 17:25:07 -0500 | [diff] [blame] | 177 | int i; |
| 178 | struct xfs_dqtrx *qa; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 179 | |
Chandra Seetharaman | 0e6436d | 2013-06-27 17:25:09 -0500 | [diff] [blame] | 180 | if (XFS_QM_ISUDQ(dqp)) |
| 181 | qa = tp->t_dqinfo->dqs[XFS_QM_TRANS_USR]; |
Chandra Seetharaman | 92f8ff7 | 2013-07-11 00:00:40 -0500 | [diff] [blame^] | 182 | else if (XFS_QM_ISGDQ(dqp)) |
Chandra Seetharaman | 0e6436d | 2013-06-27 17:25:09 -0500 | [diff] [blame] | 183 | qa = tp->t_dqinfo->dqs[XFS_QM_TRANS_GRP]; |
Chandra Seetharaman | 92f8ff7 | 2013-07-11 00:00:40 -0500 | [diff] [blame^] | 184 | else if (XFS_QM_ISPDQ(dqp)) |
| 185 | qa = tp->t_dqinfo->dqs[XFS_QM_TRANS_PRJ]; |
| 186 | else |
| 187 | return NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 188 | |
Christoph Hellwig | 191f848 | 2010-04-20 17:01:53 +1000 | [diff] [blame] | 189 | for (i = 0; i < XFS_QM_TRANS_MAXDQS; i++) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 190 | if (qa[i].qt_dquot == NULL || |
Christoph Hellwig | 191f848 | 2010-04-20 17:01:53 +1000 | [diff] [blame] | 191 | qa[i].qt_dquot == dqp) |
| 192 | return &qa[i]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 193 | } |
| 194 | |
Christoph Hellwig | 191f848 | 2010-04-20 17:01:53 +1000 | [diff] [blame] | 195 | return NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 196 | } |
| 197 | |
| 198 | /* |
| 199 | * Make the changes in the transaction structure. |
| 200 | * The moral equivalent to xfs_trans_mod_sb(). |
| 201 | * We don't touch any fields in the dquot, so we don't care |
| 202 | * if it's locked or not (most of the time it won't be). |
| 203 | */ |
| 204 | void |
| 205 | xfs_trans_mod_dquot( |
| 206 | xfs_trans_t *tp, |
| 207 | xfs_dquot_t *dqp, |
| 208 | uint field, |
| 209 | long delta) |
| 210 | { |
| 211 | xfs_dqtrx_t *qtrx; |
| 212 | |
| 213 | ASSERT(tp); |
Christoph Hellwig | 7d09525 | 2009-06-08 15:33:32 +0200 | [diff] [blame] | 214 | ASSERT(XFS_IS_QUOTA_RUNNING(tp->t_mountp)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 215 | qtrx = NULL; |
| 216 | |
| 217 | if (tp->t_dqinfo == NULL) |
| 218 | xfs_trans_alloc_dqinfo(tp); |
| 219 | /* |
| 220 | * Find either the first free slot or the slot that belongs |
| 221 | * to this dquot. |
| 222 | */ |
| 223 | qtrx = xfs_trans_get_dqtrx(tp, dqp); |
| 224 | ASSERT(qtrx); |
| 225 | if (qtrx->qt_dquot == NULL) |
| 226 | qtrx->qt_dquot = dqp; |
| 227 | |
| 228 | switch (field) { |
| 229 | |
| 230 | /* |
| 231 | * regular disk blk reservation |
| 232 | */ |
| 233 | case XFS_TRANS_DQ_RES_BLKS: |
| 234 | qtrx->qt_blk_res += (ulong)delta; |
| 235 | break; |
| 236 | |
| 237 | /* |
| 238 | * inode reservation |
| 239 | */ |
| 240 | case XFS_TRANS_DQ_RES_INOS: |
| 241 | qtrx->qt_ino_res += (ulong)delta; |
| 242 | break; |
| 243 | |
| 244 | /* |
| 245 | * disk blocks used. |
| 246 | */ |
| 247 | case XFS_TRANS_DQ_BCOUNT: |
| 248 | if (qtrx->qt_blk_res && delta > 0) { |
| 249 | qtrx->qt_blk_res_used += (ulong)delta; |
| 250 | ASSERT(qtrx->qt_blk_res >= qtrx->qt_blk_res_used); |
| 251 | } |
| 252 | qtrx->qt_bcount_delta += delta; |
| 253 | break; |
| 254 | |
| 255 | case XFS_TRANS_DQ_DELBCOUNT: |
| 256 | qtrx->qt_delbcnt_delta += delta; |
| 257 | break; |
| 258 | |
| 259 | /* |
| 260 | * Inode Count |
| 261 | */ |
| 262 | case XFS_TRANS_DQ_ICOUNT: |
| 263 | if (qtrx->qt_ino_res && delta > 0) { |
| 264 | qtrx->qt_ino_res_used += (ulong)delta; |
| 265 | ASSERT(qtrx->qt_ino_res >= qtrx->qt_ino_res_used); |
| 266 | } |
| 267 | qtrx->qt_icount_delta += delta; |
| 268 | break; |
| 269 | |
| 270 | /* |
| 271 | * rtblk reservation |
| 272 | */ |
| 273 | case XFS_TRANS_DQ_RES_RTBLKS: |
| 274 | qtrx->qt_rtblk_res += (ulong)delta; |
| 275 | break; |
| 276 | |
| 277 | /* |
| 278 | * rtblk count |
| 279 | */ |
| 280 | case XFS_TRANS_DQ_RTBCOUNT: |
| 281 | if (qtrx->qt_rtblk_res && delta > 0) { |
| 282 | qtrx->qt_rtblk_res_used += (ulong)delta; |
| 283 | ASSERT(qtrx->qt_rtblk_res >= qtrx->qt_rtblk_res_used); |
| 284 | } |
| 285 | qtrx->qt_rtbcount_delta += delta; |
| 286 | break; |
| 287 | |
| 288 | case XFS_TRANS_DQ_DELRTBCOUNT: |
| 289 | qtrx->qt_delrtb_delta += delta; |
| 290 | break; |
| 291 | |
| 292 | default: |
| 293 | ASSERT(0); |
| 294 | } |
| 295 | tp->t_flags |= XFS_TRANS_DQ_DIRTY; |
| 296 | } |
| 297 | |
| 298 | |
| 299 | /* |
Dave Chinner | b0a9dab | 2013-07-10 07:04:01 +1000 | [diff] [blame] | 300 | * Given an array of dqtrx structures, lock all the dquots associated and join |
| 301 | * them to the transaction, provided they have been modified. We know that the |
| 302 | * highest number of dquots of one type - usr, grp OR prj - involved in a |
| 303 | * transaction is 2 so we don't need to make this very generic. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 304 | */ |
| 305 | STATIC void |
| 306 | xfs_trans_dqlockedjoin( |
| 307 | xfs_trans_t *tp, |
| 308 | xfs_dqtrx_t *q) |
| 309 | { |
| 310 | ASSERT(q[0].qt_dquot != NULL); |
| 311 | if (q[1].qt_dquot == NULL) { |
| 312 | xfs_dqlock(q[0].qt_dquot); |
| 313 | xfs_trans_dqjoin(tp, q[0].qt_dquot); |
| 314 | } else { |
| 315 | ASSERT(XFS_QM_TRANS_MAXDQS == 2); |
| 316 | xfs_dqlock2(q[0].qt_dquot, q[1].qt_dquot); |
| 317 | xfs_trans_dqjoin(tp, q[0].qt_dquot); |
| 318 | xfs_trans_dqjoin(tp, q[1].qt_dquot); |
| 319 | } |
| 320 | } |
| 321 | |
| 322 | |
| 323 | /* |
| 324 | * Called by xfs_trans_commit() and similar in spirit to |
| 325 | * xfs_trans_apply_sb_deltas(). |
| 326 | * Go thru all the dquots belonging to this transaction and modify the |
| 327 | * INCORE dquot to reflect the actual usages. |
| 328 | * Unreserve just the reservations done by this transaction. |
| 329 | * dquot is still left locked at exit. |
| 330 | */ |
Christoph Hellwig | 7d09525 | 2009-06-08 15:33:32 +0200 | [diff] [blame] | 331 | void |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 332 | xfs_trans_apply_dquot_deltas( |
Brian Foster | 4b6eae2e | 2013-03-18 10:51:45 -0400 | [diff] [blame] | 333 | struct xfs_trans *tp) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 334 | { |
| 335 | int i, j; |
Brian Foster | 4b6eae2e | 2013-03-18 10:51:45 -0400 | [diff] [blame] | 336 | struct xfs_dquot *dqp; |
| 337 | struct xfs_dqtrx *qtrx, *qa; |
| 338 | struct xfs_disk_dquot *d; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 339 | long totalbdelta; |
| 340 | long totalrtbdelta; |
| 341 | |
Christoph Hellwig | 7d09525 | 2009-06-08 15:33:32 +0200 | [diff] [blame] | 342 | if (!(tp->t_flags & XFS_TRANS_DQ_DIRTY)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 343 | return; |
| 344 | |
| 345 | ASSERT(tp->t_dqinfo); |
Chandra Seetharaman | 0e6436d | 2013-06-27 17:25:09 -0500 | [diff] [blame] | 346 | for (j = 0; j < XFS_QM_TRANS_DQTYPES; j++) { |
| 347 | qa = tp->t_dqinfo->dqs[j]; |
| 348 | if (qa[0].qt_dquot == NULL) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 349 | continue; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 350 | |
| 351 | /* |
| 352 | * Lock all of the dquots and join them to the transaction. |
| 353 | */ |
| 354 | xfs_trans_dqlockedjoin(tp, qa); |
| 355 | |
| 356 | for (i = 0; i < XFS_QM_TRANS_MAXDQS; i++) { |
| 357 | qtrx = &qa[i]; |
| 358 | /* |
| 359 | * The array of dquots is filled |
| 360 | * sequentially, not sparsely. |
| 361 | */ |
| 362 | if ((dqp = qtrx->qt_dquot) == NULL) |
| 363 | break; |
| 364 | |
| 365 | ASSERT(XFS_DQ_IS_LOCKED(dqp)); |
Christoph Hellwig | 191f848 | 2010-04-20 17:01:53 +1000 | [diff] [blame] | 366 | ASSERT(dqp->q_transp == tp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 367 | |
| 368 | /* |
| 369 | * adjust the actual number of blocks used |
| 370 | */ |
| 371 | d = &dqp->q_core; |
| 372 | |
| 373 | /* |
| 374 | * The issue here is - sometimes we don't make a blkquota |
| 375 | * reservation intentionally to be fair to users |
| 376 | * (when the amount is small). On the other hand, |
| 377 | * delayed allocs do make reservations, but that's |
| 378 | * outside of a transaction, so we have no |
| 379 | * idea how much was really reserved. |
| 380 | * So, here we've accumulated delayed allocation blks and |
| 381 | * non-delay blks. The assumption is that the |
| 382 | * delayed ones are always reserved (outside of a |
| 383 | * transaction), and the others may or may not have |
| 384 | * quota reservations. |
| 385 | */ |
| 386 | totalbdelta = qtrx->qt_bcount_delta + |
| 387 | qtrx->qt_delbcnt_delta; |
| 388 | totalrtbdelta = qtrx->qt_rtbcount_delta + |
| 389 | qtrx->qt_delrtb_delta; |
Christoph Hellwig | ea15ab3 | 2011-07-13 13:43:50 +0200 | [diff] [blame] | 390 | #ifdef DEBUG |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 391 | if (totalbdelta < 0) |
Christoph Hellwig | 1149d96 | 2005-11-02 15:01:12 +1100 | [diff] [blame] | 392 | ASSERT(be64_to_cpu(d->d_bcount) >= |
Christoph Hellwig | ea15ab3 | 2011-07-13 13:43:50 +0200 | [diff] [blame] | 393 | -totalbdelta); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 394 | |
| 395 | if (totalrtbdelta < 0) |
Christoph Hellwig | 1149d96 | 2005-11-02 15:01:12 +1100 | [diff] [blame] | 396 | ASSERT(be64_to_cpu(d->d_rtbcount) >= |
Christoph Hellwig | ea15ab3 | 2011-07-13 13:43:50 +0200 | [diff] [blame] | 397 | -totalrtbdelta); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 398 | |
| 399 | if (qtrx->qt_icount_delta < 0) |
Christoph Hellwig | 1149d96 | 2005-11-02 15:01:12 +1100 | [diff] [blame] | 400 | ASSERT(be64_to_cpu(d->d_icount) >= |
Christoph Hellwig | ea15ab3 | 2011-07-13 13:43:50 +0200 | [diff] [blame] | 401 | -qtrx->qt_icount_delta); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 402 | #endif |
| 403 | if (totalbdelta) |
Marcin Slusarz | 413d57c | 2008-02-13 15:03:29 -0800 | [diff] [blame] | 404 | be64_add_cpu(&d->d_bcount, (xfs_qcnt_t)totalbdelta); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 405 | |
| 406 | if (qtrx->qt_icount_delta) |
Marcin Slusarz | 413d57c | 2008-02-13 15:03:29 -0800 | [diff] [blame] | 407 | be64_add_cpu(&d->d_icount, (xfs_qcnt_t)qtrx->qt_icount_delta); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 408 | |
| 409 | if (totalrtbdelta) |
Marcin Slusarz | 413d57c | 2008-02-13 15:03:29 -0800 | [diff] [blame] | 410 | be64_add_cpu(&d->d_rtbcount, (xfs_qcnt_t)totalrtbdelta); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 411 | |
| 412 | /* |
| 413 | * Get any default limits in use. |
| 414 | * Start/reset the timer(s) if needed. |
| 415 | */ |
| 416 | if (d->d_id) { |
Brian Foster | 4b6eae2e | 2013-03-18 10:51:45 -0400 | [diff] [blame] | 417 | xfs_qm_adjust_dqlimits(tp->t_mountp, dqp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 418 | xfs_qm_adjust_dqtimers(tp->t_mountp, d); |
| 419 | } |
| 420 | |
| 421 | dqp->dq_flags |= XFS_DQ_DIRTY; |
| 422 | /* |
| 423 | * add this to the list of items to get logged |
| 424 | */ |
| 425 | xfs_trans_log_dquot(tp, dqp); |
| 426 | /* |
| 427 | * Take off what's left of the original reservation. |
| 428 | * In case of delayed allocations, there's no |
| 429 | * reservation that a transaction structure knows of. |
| 430 | */ |
| 431 | if (qtrx->qt_blk_res != 0) { |
| 432 | if (qtrx->qt_blk_res != qtrx->qt_blk_res_used) { |
| 433 | if (qtrx->qt_blk_res > |
| 434 | qtrx->qt_blk_res_used) |
| 435 | dqp->q_res_bcount -= (xfs_qcnt_t) |
| 436 | (qtrx->qt_blk_res - |
| 437 | qtrx->qt_blk_res_used); |
| 438 | else |
| 439 | dqp->q_res_bcount -= (xfs_qcnt_t) |
| 440 | (qtrx->qt_blk_res_used - |
| 441 | qtrx->qt_blk_res); |
| 442 | } |
| 443 | } else { |
| 444 | /* |
| 445 | * These blks were never reserved, either inside |
| 446 | * a transaction or outside one (in a delayed |
| 447 | * allocation). Also, this isn't always a |
| 448 | * negative number since we sometimes |
| 449 | * deliberately skip quota reservations. |
| 450 | */ |
| 451 | if (qtrx->qt_bcount_delta) { |
| 452 | dqp->q_res_bcount += |
| 453 | (xfs_qcnt_t)qtrx->qt_bcount_delta; |
| 454 | } |
| 455 | } |
| 456 | /* |
| 457 | * Adjust the RT reservation. |
| 458 | */ |
| 459 | if (qtrx->qt_rtblk_res != 0) { |
Nathan Scott | 06d10dd | 2005-06-21 15:48:47 +1000 | [diff] [blame] | 460 | if (qtrx->qt_rtblk_res != qtrx->qt_rtblk_res_used) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 461 | if (qtrx->qt_rtblk_res > |
| 462 | qtrx->qt_rtblk_res_used) |
| 463 | dqp->q_res_rtbcount -= (xfs_qcnt_t) |
| 464 | (qtrx->qt_rtblk_res - |
| 465 | qtrx->qt_rtblk_res_used); |
| 466 | else |
| 467 | dqp->q_res_rtbcount -= (xfs_qcnt_t) |
| 468 | (qtrx->qt_rtblk_res_used - |
| 469 | qtrx->qt_rtblk_res); |
| 470 | } |
| 471 | } else { |
| 472 | if (qtrx->qt_rtbcount_delta) |
| 473 | dqp->q_res_rtbcount += |
| 474 | (xfs_qcnt_t)qtrx->qt_rtbcount_delta; |
| 475 | } |
| 476 | |
| 477 | /* |
| 478 | * Adjust the inode reservation. |
| 479 | */ |
| 480 | if (qtrx->qt_ino_res != 0) { |
| 481 | ASSERT(qtrx->qt_ino_res >= |
| 482 | qtrx->qt_ino_res_used); |
| 483 | if (qtrx->qt_ino_res > qtrx->qt_ino_res_used) |
| 484 | dqp->q_res_icount -= (xfs_qcnt_t) |
| 485 | (qtrx->qt_ino_res - |
| 486 | qtrx->qt_ino_res_used); |
| 487 | } else { |
| 488 | if (qtrx->qt_icount_delta) |
| 489 | dqp->q_res_icount += |
| 490 | (xfs_qcnt_t)qtrx->qt_icount_delta; |
| 491 | } |
| 492 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 493 | ASSERT(dqp->q_res_bcount >= |
Christoph Hellwig | 1149d96 | 2005-11-02 15:01:12 +1100 | [diff] [blame] | 494 | be64_to_cpu(dqp->q_core.d_bcount)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 495 | ASSERT(dqp->q_res_icount >= |
Christoph Hellwig | 1149d96 | 2005-11-02 15:01:12 +1100 | [diff] [blame] | 496 | be64_to_cpu(dqp->q_core.d_icount)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 497 | ASSERT(dqp->q_res_rtbcount >= |
Christoph Hellwig | 1149d96 | 2005-11-02 15:01:12 +1100 | [diff] [blame] | 498 | be64_to_cpu(dqp->q_core.d_rtbcount)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 499 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 500 | } |
| 501 | } |
| 502 | |
| 503 | /* |
| 504 | * Release the reservations, and adjust the dquots accordingly. |
| 505 | * This is called only when the transaction is being aborted. If by |
| 506 | * any chance we have done dquot modifications incore (ie. deltas) already, |
| 507 | * we simply throw those away, since that's the expected behavior |
| 508 | * when a transaction is curtailed without a commit. |
| 509 | */ |
Christoph Hellwig | 7d09525 | 2009-06-08 15:33:32 +0200 | [diff] [blame] | 510 | void |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 511 | xfs_trans_unreserve_and_mod_dquots( |
| 512 | xfs_trans_t *tp) |
| 513 | { |
| 514 | int i, j; |
| 515 | xfs_dquot_t *dqp; |
| 516 | xfs_dqtrx_t *qtrx, *qa; |
Thiago Farina | 667a929 | 2012-11-12 21:32:59 -0200 | [diff] [blame] | 517 | bool locked; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 518 | |
| 519 | if (!tp->t_dqinfo || !(tp->t_flags & XFS_TRANS_DQ_DIRTY)) |
| 520 | return; |
| 521 | |
Chandra Seetharaman | 0e6436d | 2013-06-27 17:25:09 -0500 | [diff] [blame] | 522 | for (j = 0; j < XFS_QM_TRANS_DQTYPES; j++) { |
| 523 | qa = tp->t_dqinfo->dqs[j]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 524 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 525 | for (i = 0; i < XFS_QM_TRANS_MAXDQS; i++) { |
| 526 | qtrx = &qa[i]; |
| 527 | /* |
| 528 | * We assume that the array of dquots is filled |
| 529 | * sequentially, not sparsely. |
| 530 | */ |
| 531 | if ((dqp = qtrx->qt_dquot) == NULL) |
| 532 | break; |
| 533 | /* |
| 534 | * Unreserve the original reservation. We don't care |
| 535 | * about the number of blocks used field, or deltas. |
| 536 | * Also we don't bother to zero the fields. |
| 537 | */ |
Thiago Farina | 667a929 | 2012-11-12 21:32:59 -0200 | [diff] [blame] | 538 | locked = false; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 539 | if (qtrx->qt_blk_res) { |
| 540 | xfs_dqlock(dqp); |
Thiago Farina | 667a929 | 2012-11-12 21:32:59 -0200 | [diff] [blame] | 541 | locked = true; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 542 | dqp->q_res_bcount -= |
| 543 | (xfs_qcnt_t)qtrx->qt_blk_res; |
| 544 | } |
| 545 | if (qtrx->qt_ino_res) { |
| 546 | if (!locked) { |
| 547 | xfs_dqlock(dqp); |
Thiago Farina | 667a929 | 2012-11-12 21:32:59 -0200 | [diff] [blame] | 548 | locked = true; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 549 | } |
| 550 | dqp->q_res_icount -= |
| 551 | (xfs_qcnt_t)qtrx->qt_ino_res; |
| 552 | } |
| 553 | |
| 554 | if (qtrx->qt_rtblk_res) { |
| 555 | if (!locked) { |
| 556 | xfs_dqlock(dqp); |
Thiago Farina | 667a929 | 2012-11-12 21:32:59 -0200 | [diff] [blame] | 557 | locked = true; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 558 | } |
| 559 | dqp->q_res_rtbcount -= |
| 560 | (xfs_qcnt_t)qtrx->qt_rtblk_res; |
| 561 | } |
| 562 | if (locked) |
| 563 | xfs_dqunlock(dqp); |
| 564 | |
| 565 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 566 | } |
| 567 | } |
| 568 | |
Christoph Hellwig | a210c1a | 2010-01-17 22:36:19 +0000 | [diff] [blame] | 569 | STATIC void |
| 570 | xfs_quota_warn( |
| 571 | struct xfs_mount *mp, |
| 572 | struct xfs_dquot *dqp, |
| 573 | int type) |
| 574 | { |
| 575 | /* no warnings for project quotas - we just return ENOSPC later */ |
| 576 | if (dqp->dq_flags & XFS_DQ_PROJ) |
| 577 | return; |
Eric W. Biederman | 431f197 | 2012-09-16 02:32:43 -0700 | [diff] [blame] | 578 | quota_send_warning(make_kqid(&init_user_ns, |
| 579 | (dqp->dq_flags & XFS_DQ_USER) ? |
| 580 | USRQUOTA : GRPQUOTA, |
| 581 | be32_to_cpu(dqp->q_core.d_id)), |
| 582 | mp->m_super->s_dev, type); |
Christoph Hellwig | a210c1a | 2010-01-17 22:36:19 +0000 | [diff] [blame] | 583 | } |
| 584 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 585 | /* |
| 586 | * This reserves disk blocks and inodes against a dquot. |
| 587 | * Flags indicate if the dquot is to be locked here and also |
| 588 | * if the blk reservation is for RT or regular blocks. |
| 589 | * Sending in XFS_QMOPT_FORCE_RES flag skips the quota check. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 590 | */ |
| 591 | STATIC int |
| 592 | xfs_trans_dqresv( |
| 593 | xfs_trans_t *tp, |
| 594 | xfs_mount_t *mp, |
| 595 | xfs_dquot_t *dqp, |
| 596 | long nblks, |
| 597 | long ninos, |
| 598 | uint flags) |
| 599 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 600 | xfs_qcnt_t hardlimit; |
| 601 | xfs_qcnt_t softlimit; |
Nathan Scott | 06d10dd | 2005-06-21 15:48:47 +1000 | [diff] [blame] | 602 | time_t timer; |
| 603 | xfs_qwarncnt_t warns; |
| 604 | xfs_qwarncnt_t warnlimit; |
Mitsuo Hayasaka | 70b5437 | 2012-02-06 12:51:05 +0000 | [diff] [blame] | 605 | xfs_qcnt_t total_count; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 606 | xfs_qcnt_t *resbcountp; |
| 607 | xfs_quotainfo_t *q = mp->m_quotainfo; |
| 608 | |
Christoph Hellwig | 8e9b6e7 | 2009-02-08 21:51:42 +0100 | [diff] [blame] | 609 | |
| 610 | xfs_dqlock(dqp); |
| 611 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 612 | if (flags & XFS_TRANS_DQ_RES_BLKS) { |
Christoph Hellwig | 1149d96 | 2005-11-02 15:01:12 +1100 | [diff] [blame] | 613 | hardlimit = be64_to_cpu(dqp->q_core.d_blk_hardlimit); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 614 | if (!hardlimit) |
| 615 | hardlimit = q->qi_bhardlimit; |
Christoph Hellwig | 1149d96 | 2005-11-02 15:01:12 +1100 | [diff] [blame] | 616 | softlimit = be64_to_cpu(dqp->q_core.d_blk_softlimit); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 617 | if (!softlimit) |
| 618 | softlimit = q->qi_bsoftlimit; |
Christoph Hellwig | 1149d96 | 2005-11-02 15:01:12 +1100 | [diff] [blame] | 619 | timer = be32_to_cpu(dqp->q_core.d_btimer); |
| 620 | warns = be16_to_cpu(dqp->q_core.d_bwarns); |
Christoph Hellwig | 8a7b8a8 | 2010-04-20 17:01:30 +1000 | [diff] [blame] | 621 | warnlimit = dqp->q_mount->m_quotainfo->qi_bwarnlimit; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 622 | resbcountp = &dqp->q_res_bcount; |
| 623 | } else { |
| 624 | ASSERT(flags & XFS_TRANS_DQ_RES_RTBLKS); |
Christoph Hellwig | 1149d96 | 2005-11-02 15:01:12 +1100 | [diff] [blame] | 625 | hardlimit = be64_to_cpu(dqp->q_core.d_rtb_hardlimit); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 626 | if (!hardlimit) |
| 627 | hardlimit = q->qi_rtbhardlimit; |
Christoph Hellwig | 1149d96 | 2005-11-02 15:01:12 +1100 | [diff] [blame] | 628 | softlimit = be64_to_cpu(dqp->q_core.d_rtb_softlimit); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 629 | if (!softlimit) |
| 630 | softlimit = q->qi_rtbsoftlimit; |
Christoph Hellwig | 1149d96 | 2005-11-02 15:01:12 +1100 | [diff] [blame] | 631 | timer = be32_to_cpu(dqp->q_core.d_rtbtimer); |
| 632 | warns = be16_to_cpu(dqp->q_core.d_rtbwarns); |
Christoph Hellwig | 8a7b8a8 | 2010-04-20 17:01:30 +1000 | [diff] [blame] | 633 | warnlimit = dqp->q_mount->m_quotainfo->qi_rtbwarnlimit; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 634 | resbcountp = &dqp->q_res_rtbcount; |
| 635 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 636 | |
| 637 | if ((flags & XFS_QMOPT_FORCE_RES) == 0 && |
| 638 | dqp->q_core.d_id && |
Kouta Ooizumi | e6d2942 | 2007-05-08 13:49:33 +1000 | [diff] [blame] | 639 | ((XFS_IS_UQUOTA_ENFORCED(dqp->q_mount) && XFS_QM_ISUDQ(dqp)) || |
Chandra Seetharaman | 83e782e | 2013-06-27 17:25:10 -0500 | [diff] [blame] | 640 | (XFS_IS_GQUOTA_ENFORCED(dqp->q_mount) && XFS_QM_ISGDQ(dqp)) || |
| 641 | (XFS_IS_PQUOTA_ENFORCED(dqp->q_mount) && XFS_QM_ISPDQ(dqp)))) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 642 | if (nblks > 0) { |
| 643 | /* |
| 644 | * dquot is locked already. See if we'd go over the |
| 645 | * hardlimit or exceed the timelimit if we allocate |
| 646 | * nblks. |
| 647 | */ |
Mitsuo Hayasaka | 70b5437 | 2012-02-06 12:51:05 +0000 | [diff] [blame] | 648 | total_count = *resbcountp + nblks; |
| 649 | if (hardlimit && total_count > hardlimit) { |
Christoph Hellwig | a210c1a | 2010-01-17 22:36:19 +0000 | [diff] [blame] | 650 | xfs_quota_warn(mp, dqp, QUOTA_NL_BHARDWARN); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 651 | goto error_return; |
Christoph Hellwig | a210c1a | 2010-01-17 22:36:19 +0000 | [diff] [blame] | 652 | } |
Mitsuo Hayasaka | 70b5437 | 2012-02-06 12:51:05 +0000 | [diff] [blame] | 653 | if (softlimit && total_count > softlimit) { |
Christoph Hellwig | a210c1a | 2010-01-17 22:36:19 +0000 | [diff] [blame] | 654 | if ((timer != 0 && get_seconds() > timer) || |
| 655 | (warns != 0 && warns >= warnlimit)) { |
| 656 | xfs_quota_warn(mp, dqp, |
| 657 | QUOTA_NL_BSOFTLONGWARN); |
| 658 | goto error_return; |
| 659 | } |
| 660 | |
| 661 | xfs_quota_warn(mp, dqp, QUOTA_NL_BSOFTWARN); |
| 662 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 663 | } |
| 664 | if (ninos > 0) { |
Mitsuo Hayasaka | 70b5437 | 2012-02-06 12:51:05 +0000 | [diff] [blame] | 665 | total_count = be64_to_cpu(dqp->q_core.d_icount) + ninos; |
Christoph Hellwig | 1149d96 | 2005-11-02 15:01:12 +1100 | [diff] [blame] | 666 | timer = be32_to_cpu(dqp->q_core.d_itimer); |
| 667 | warns = be16_to_cpu(dqp->q_core.d_iwarns); |
Christoph Hellwig | 8a7b8a8 | 2010-04-20 17:01:30 +1000 | [diff] [blame] | 668 | warnlimit = dqp->q_mount->m_quotainfo->qi_iwarnlimit; |
Christoph Hellwig | 1149d96 | 2005-11-02 15:01:12 +1100 | [diff] [blame] | 669 | hardlimit = be64_to_cpu(dqp->q_core.d_ino_hardlimit); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 670 | if (!hardlimit) |
| 671 | hardlimit = q->qi_ihardlimit; |
Christoph Hellwig | 1149d96 | 2005-11-02 15:01:12 +1100 | [diff] [blame] | 672 | softlimit = be64_to_cpu(dqp->q_core.d_ino_softlimit); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 673 | if (!softlimit) |
| 674 | softlimit = q->qi_isoftlimit; |
Christoph Hellwig | 4d1f88d | 2010-01-13 22:05:49 +0000 | [diff] [blame] | 675 | |
Mitsuo Hayasaka | 70b5437 | 2012-02-06 12:51:05 +0000 | [diff] [blame] | 676 | if (hardlimit && total_count > hardlimit) { |
Christoph Hellwig | a210c1a | 2010-01-17 22:36:19 +0000 | [diff] [blame] | 677 | xfs_quota_warn(mp, dqp, QUOTA_NL_IHARDWARN); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 678 | goto error_return; |
Christoph Hellwig | a210c1a | 2010-01-17 22:36:19 +0000 | [diff] [blame] | 679 | } |
Mitsuo Hayasaka | 70b5437 | 2012-02-06 12:51:05 +0000 | [diff] [blame] | 680 | if (softlimit && total_count > softlimit) { |
Christoph Hellwig | a210c1a | 2010-01-17 22:36:19 +0000 | [diff] [blame] | 681 | if ((timer != 0 && get_seconds() > timer) || |
| 682 | (warns != 0 && warns >= warnlimit)) { |
| 683 | xfs_quota_warn(mp, dqp, |
| 684 | QUOTA_NL_ISOFTLONGWARN); |
| 685 | goto error_return; |
| 686 | } |
| 687 | xfs_quota_warn(mp, dqp, QUOTA_NL_ISOFTWARN); |
| 688 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 689 | } |
| 690 | } |
| 691 | |
| 692 | /* |
| 693 | * Change the reservation, but not the actual usage. |
| 694 | * Note that q_res_bcount = q_core.d_bcount + resv |
| 695 | */ |
| 696 | (*resbcountp) += (xfs_qcnt_t)nblks; |
| 697 | if (ninos != 0) |
| 698 | dqp->q_res_icount += (xfs_qcnt_t)ninos; |
| 699 | |
| 700 | /* |
| 701 | * note the reservation amt in the trans struct too, |
| 702 | * so that the transaction knows how much was reserved by |
| 703 | * it against this particular dquot. |
| 704 | * We don't do this when we are reserving for a delayed allocation, |
| 705 | * because we don't have the luxury of a transaction envelope then. |
| 706 | */ |
| 707 | if (tp) { |
| 708 | ASSERT(tp->t_dqinfo); |
| 709 | ASSERT(flags & XFS_QMOPT_RESBLK_MASK); |
| 710 | if (nblks != 0) |
| 711 | xfs_trans_mod_dquot(tp, dqp, |
| 712 | flags & XFS_QMOPT_RESBLK_MASK, |
| 713 | nblks); |
| 714 | if (ninos != 0) |
| 715 | xfs_trans_mod_dquot(tp, dqp, |
| 716 | XFS_TRANS_DQ_RES_INOS, |
| 717 | ninos); |
| 718 | } |
Christoph Hellwig | 1149d96 | 2005-11-02 15:01:12 +1100 | [diff] [blame] | 719 | ASSERT(dqp->q_res_bcount >= be64_to_cpu(dqp->q_core.d_bcount)); |
| 720 | ASSERT(dqp->q_res_rtbcount >= be64_to_cpu(dqp->q_core.d_rtbcount)); |
| 721 | ASSERT(dqp->q_res_icount >= be64_to_cpu(dqp->q_core.d_icount)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 722 | |
Christoph Hellwig | 4d1f88d | 2010-01-13 22:05:49 +0000 | [diff] [blame] | 723 | xfs_dqunlock(dqp); |
| 724 | return 0; |
| 725 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 726 | error_return: |
Christoph Hellwig | 8e9b6e7 | 2009-02-08 21:51:42 +0100 | [diff] [blame] | 727 | xfs_dqunlock(dqp); |
Christoph Hellwig | 4d1f88d | 2010-01-13 22:05:49 +0000 | [diff] [blame] | 728 | if (flags & XFS_QMOPT_ENOSPC) |
| 729 | return ENOSPC; |
| 730 | return EDQUOT; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 731 | } |
| 732 | |
| 733 | |
| 734 | /* |
Nathan Scott | 9a2a7de | 2006-03-31 13:04:49 +1000 | [diff] [blame] | 735 | * Given dquot(s), make disk block and/or inode reservations against them. |
Chandra Seetharaman | 92f8ff7 | 2013-07-11 00:00:40 -0500 | [diff] [blame^] | 736 | * The fact that this does the reservation against user, group and |
| 737 | * project quotas is important, because this follows a all-or-nothing |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 738 | * approach. |
| 739 | * |
Christoph Hellwig | 8e9b6e7 | 2009-02-08 21:51:42 +0100 | [diff] [blame] | 740 | * flags = XFS_QMOPT_FORCE_RES evades limit enforcement. Used by chown. |
Nathan Scott | 9a2a7de | 2006-03-31 13:04:49 +1000 | [diff] [blame] | 741 | * XFS_QMOPT_ENOSPC returns ENOSPC not EDQUOT. Used by pquota. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 742 | * XFS_TRANS_DQ_RES_BLKS reserves regular disk blocks |
| 743 | * XFS_TRANS_DQ_RES_RTBLKS reserves realtime disk blocks |
| 744 | * dquots are unlocked on return, if they were not locked by caller. |
| 745 | */ |
| 746 | int |
| 747 | xfs_trans_reserve_quota_bydquots( |
Chandra Seetharaman | 113a568 | 2013-06-27 17:25:07 -0500 | [diff] [blame] | 748 | struct xfs_trans *tp, |
| 749 | struct xfs_mount *mp, |
| 750 | struct xfs_dquot *udqp, |
| 751 | struct xfs_dquot *gdqp, |
Chandra Seetharaman | 92f8ff7 | 2013-07-11 00:00:40 -0500 | [diff] [blame^] | 752 | struct xfs_dquot *pdqp, |
Chandra Seetharaman | 113a568 | 2013-06-27 17:25:07 -0500 | [diff] [blame] | 753 | long nblks, |
| 754 | long ninos, |
| 755 | uint flags) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 756 | { |
Chandra Seetharaman | 113a568 | 2013-06-27 17:25:07 -0500 | [diff] [blame] | 757 | int error; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 758 | |
Christoph Hellwig | 7d09525 | 2009-06-08 15:33:32 +0200 | [diff] [blame] | 759 | if (!XFS_IS_QUOTA_RUNNING(mp) || !XFS_IS_QUOTA_ON(mp)) |
Nathan Scott | 9a2a7de | 2006-03-31 13:04:49 +1000 | [diff] [blame] | 760 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 761 | |
| 762 | if (tp && tp->t_dqinfo == NULL) |
| 763 | xfs_trans_alloc_dqinfo(tp); |
| 764 | |
| 765 | ASSERT(flags & XFS_QMOPT_RESBLK_MASK); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 766 | |
| 767 | if (udqp) { |
Nathan Scott | 9a2a7de | 2006-03-31 13:04:49 +1000 | [diff] [blame] | 768 | error = xfs_trans_dqresv(tp, mp, udqp, nblks, ninos, |
| 769 | (flags & ~XFS_QMOPT_ENOSPC)); |
| 770 | if (error) |
| 771 | return error; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 772 | } |
| 773 | |
| 774 | if (gdqp) { |
Nathan Scott | 9a2a7de | 2006-03-31 13:04:49 +1000 | [diff] [blame] | 775 | error = xfs_trans_dqresv(tp, mp, gdqp, nblks, ninos, flags); |
Chandra Seetharaman | 113a568 | 2013-06-27 17:25:07 -0500 | [diff] [blame] | 776 | if (error) |
| 777 | goto unwind_usr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 778 | } |
| 779 | |
Chandra Seetharaman | 92f8ff7 | 2013-07-11 00:00:40 -0500 | [diff] [blame^] | 780 | if (pdqp) { |
| 781 | error = xfs_trans_dqresv(tp, mp, pdqp, nblks, ninos, flags); |
| 782 | if (error) |
| 783 | goto unwind_grp; |
| 784 | } |
| 785 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 786 | /* |
Nathan Scott | c41564b | 2006-03-29 08:55:14 +1000 | [diff] [blame] | 787 | * Didn't change anything critical, so, no need to log |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 788 | */ |
Nathan Scott | 9a2a7de | 2006-03-31 13:04:49 +1000 | [diff] [blame] | 789 | return 0; |
Chandra Seetharaman | 113a568 | 2013-06-27 17:25:07 -0500 | [diff] [blame] | 790 | |
Chandra Seetharaman | 92f8ff7 | 2013-07-11 00:00:40 -0500 | [diff] [blame^] | 791 | unwind_grp: |
| 792 | flags |= XFS_QMOPT_FORCE_RES; |
| 793 | if (gdqp) |
| 794 | xfs_trans_dqresv(tp, mp, gdqp, -nblks, -ninos, flags); |
Chandra Seetharaman | 113a568 | 2013-06-27 17:25:07 -0500 | [diff] [blame] | 795 | unwind_usr: |
| 796 | flags |= XFS_QMOPT_FORCE_RES; |
| 797 | if (udqp) |
| 798 | xfs_trans_dqresv(tp, mp, udqp, -nblks, -ninos, flags); |
| 799 | return error; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 800 | } |
| 801 | |
| 802 | |
| 803 | /* |
| 804 | * Lock the dquot and change the reservation if we can. |
| 805 | * This doesn't change the actual usage, just the reservation. |
| 806 | * The inode sent in is locked. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 807 | */ |
Christoph Hellwig | 7d09525 | 2009-06-08 15:33:32 +0200 | [diff] [blame] | 808 | int |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 809 | xfs_trans_reserve_quota_nblks( |
Christoph Hellwig | 7d09525 | 2009-06-08 15:33:32 +0200 | [diff] [blame] | 810 | struct xfs_trans *tp, |
| 811 | struct xfs_inode *ip, |
| 812 | long nblks, |
| 813 | long ninos, |
| 814 | uint flags) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 815 | { |
Christoph Hellwig | 7d09525 | 2009-06-08 15:33:32 +0200 | [diff] [blame] | 816 | struct xfs_mount *mp = ip->i_mount; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 817 | |
Christoph Hellwig | 7d09525 | 2009-06-08 15:33:32 +0200 | [diff] [blame] | 818 | if (!XFS_IS_QUOTA_RUNNING(mp) || !XFS_IS_QUOTA_ON(mp)) |
Nathan Scott | 9a2a7de | 2006-03-31 13:04:49 +1000 | [diff] [blame] | 819 | return 0; |
| 820 | if (XFS_IS_PQUOTA_ON(mp)) |
| 821 | flags |= XFS_QMOPT_ENOSPC; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 822 | |
Chandra Seetharaman | 9cad19d | 2013-06-27 17:25:04 -0500 | [diff] [blame] | 823 | ASSERT(!xfs_is_quota_inode(&mp->m_sb, ip->i_ino)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 824 | |
Christoph Hellwig | 579aa9c | 2008-04-22 17:34:00 +1000 | [diff] [blame] | 825 | ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL)); |
Nathan Scott | 9a2a7de | 2006-03-31 13:04:49 +1000 | [diff] [blame] | 826 | ASSERT((flags & ~(XFS_QMOPT_FORCE_RES | XFS_QMOPT_ENOSPC)) == |
| 827 | XFS_TRANS_DQ_RES_RTBLKS || |
| 828 | (flags & ~(XFS_QMOPT_FORCE_RES | XFS_QMOPT_ENOSPC)) == |
| 829 | XFS_TRANS_DQ_RES_BLKS); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 830 | |
| 831 | /* |
| 832 | * Reserve nblks against these dquots, with trans as the mediator. |
| 833 | */ |
Christoph Hellwig | 7d09525 | 2009-06-08 15:33:32 +0200 | [diff] [blame] | 834 | return xfs_trans_reserve_quota_bydquots(tp, mp, |
| 835 | ip->i_udquot, ip->i_gdquot, |
Chandra Seetharaman | 92f8ff7 | 2013-07-11 00:00:40 -0500 | [diff] [blame^] | 836 | ip->i_pdquot, |
Christoph Hellwig | 7d09525 | 2009-06-08 15:33:32 +0200 | [diff] [blame] | 837 | nblks, ninos, flags); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 838 | } |
| 839 | |
| 840 | /* |
| 841 | * This routine is called to allocate a quotaoff log item. |
| 842 | */ |
| 843 | xfs_qoff_logitem_t * |
| 844 | xfs_trans_get_qoff_item( |
| 845 | xfs_trans_t *tp, |
| 846 | xfs_qoff_logitem_t *startqoff, |
| 847 | uint flags) |
| 848 | { |
| 849 | xfs_qoff_logitem_t *q; |
| 850 | |
| 851 | ASSERT(tp != NULL); |
| 852 | |
| 853 | q = xfs_qm_qoff_logitem_init(tp->t_mountp, startqoff, flags); |
| 854 | ASSERT(q != NULL); |
| 855 | |
| 856 | /* |
| 857 | * Get a log_item_desc to point at the new item. |
| 858 | */ |
Christoph Hellwig | e98c414 | 2010-06-23 18:11:15 +1000 | [diff] [blame] | 859 | xfs_trans_add_item(tp, &q->qql_item); |
| 860 | return q; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 861 | } |
| 862 | |
| 863 | |
| 864 | /* |
| 865 | * This is called to mark the quotaoff logitem as needing |
| 866 | * to be logged when the transaction is committed. The logitem must |
| 867 | * already be associated with the given transaction. |
| 868 | */ |
| 869 | void |
| 870 | xfs_trans_log_quotaoff_item( |
| 871 | xfs_trans_t *tp, |
| 872 | xfs_qoff_logitem_t *qlp) |
| 873 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 874 | tp->t_flags |= XFS_TRANS_DIRTY; |
Christoph Hellwig | e98c414 | 2010-06-23 18:11:15 +1000 | [diff] [blame] | 875 | qlp->qql_item.li_desc->lid_flags |= XFS_LID_DIRTY; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 876 | } |
| 877 | |
| 878 | STATIC void |
| 879 | xfs_trans_alloc_dqinfo( |
| 880 | xfs_trans_t *tp) |
| 881 | { |
Christoph Hellwig | a05931c | 2012-03-13 08:52:37 +0000 | [diff] [blame] | 882 | tp->t_dqinfo = kmem_zone_zalloc(xfs_qm_dqtrxzone, KM_SLEEP); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 883 | } |
| 884 | |
Christoph Hellwig | 7d09525 | 2009-06-08 15:33:32 +0200 | [diff] [blame] | 885 | void |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 886 | xfs_trans_free_dqinfo( |
| 887 | xfs_trans_t *tp) |
| 888 | { |
| 889 | if (!tp->t_dqinfo) |
| 890 | return; |
Christoph Hellwig | a05931c | 2012-03-13 08:52:37 +0000 | [diff] [blame] | 891 | kmem_zone_free(xfs_qm_dqtrxzone, tp->t_dqinfo); |
Christoph Hellwig | 7d09525 | 2009-06-08 15:33:32 +0200 | [diff] [blame] | 892 | tp->t_dqinfo = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 893 | } |