aboutsummaryrefslogtreecommitdiffstats
path: root/fs/xfs/quota/xfs_dquot.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/xfs/quota/xfs_dquot.c')
-rw-r--r--fs/xfs/quota/xfs_dquot.c110
1 files changed, 31 insertions, 79 deletions
diff --git a/fs/xfs/quota/xfs_dquot.c b/fs/xfs/quota/xfs_dquot.c
index 2f3f2229eaaf..d7c7eea09fc2 100644
--- a/fs/xfs/quota/xfs_dquot.c
+++ b/fs/xfs/quota/xfs_dquot.c
@@ -47,6 +47,7 @@
47#include "xfs_trans_space.h" 47#include "xfs_trans_space.h"
48#include "xfs_trans_priv.h" 48#include "xfs_trans_priv.h"
49#include "xfs_qm.h" 49#include "xfs_qm.h"
50#include "xfs_trace.h"
50 51
51 52
52/* 53/*
@@ -112,10 +113,7 @@ xfs_qm_dqinit(
112 init_completion(&dqp->q_flush); 113 init_completion(&dqp->q_flush);
113 complete(&dqp->q_flush); 114 complete(&dqp->q_flush);
114 115
115#ifdef XFS_DQUOT_TRACE 116 trace_xfs_dqinit(dqp);
116 dqp->q_trace = ktrace_alloc(DQUOT_TRACE_SIZE, KM_NOFS);
117 xfs_dqtrace_entry(dqp, "DQINIT");
118#endif
119 } else { 117 } else {
120 /* 118 /*
121 * Only the q_core portion was zeroed in dqreclaim_one(). 119 * Only the q_core portion was zeroed in dqreclaim_one().
@@ -136,10 +134,7 @@ xfs_qm_dqinit(
136 dqp->q_hash = NULL; 134 dqp->q_hash = NULL;
137 ASSERT(dqp->dq_flnext == dqp->dq_flprev); 135 ASSERT(dqp->dq_flnext == dqp->dq_flprev);
138 136
139#ifdef XFS_DQUOT_TRACE 137 trace_xfs_dqreuse(dqp);
140 ASSERT(dqp->q_trace);
141 xfs_dqtrace_entry(dqp, "DQRECLAIMED_INIT");
142#endif
143 } 138 }
144 139
145 /* 140 /*
@@ -167,13 +162,8 @@ xfs_qm_dqdestroy(
167 162
168 mutex_destroy(&dqp->q_qlock); 163 mutex_destroy(&dqp->q_qlock);
169 sv_destroy(&dqp->q_pinwait); 164 sv_destroy(&dqp->q_pinwait);
170
171#ifdef XFS_DQUOT_TRACE
172 if (dqp->q_trace)
173 ktrace_free(dqp->q_trace);
174 dqp->q_trace = NULL;
175#endif
176 kmem_zone_free(xfs_Gqm->qm_dqzone, dqp); 165 kmem_zone_free(xfs_Gqm->qm_dqzone, dqp);
166
177 atomic_dec(&xfs_Gqm->qm_totaldquots); 167 atomic_dec(&xfs_Gqm->qm_totaldquots);
178} 168}
179 169
@@ -195,49 +185,6 @@ xfs_qm_dqinit_core(
195 d->dd_diskdq.d_flags = type; 185 d->dd_diskdq.d_flags = type;
196} 186}
197 187
198
199#ifdef XFS_DQUOT_TRACE
200/*
201 * Dquot tracing for debugging.
202 */
203/* ARGSUSED */
204void
205__xfs_dqtrace_entry(
206 xfs_dquot_t *dqp,
207 char *func,
208 void *retaddr,
209 xfs_inode_t *ip)
210{
211 xfs_dquot_t *udqp = NULL;
212 xfs_ino_t ino = 0;
213
214 ASSERT(dqp->q_trace);
215 if (ip) {
216 ino = ip->i_ino;
217 udqp = ip->i_udquot;
218 }
219 ktrace_enter(dqp->q_trace,
220 (void *)(__psint_t)DQUOT_KTRACE_ENTRY,
221 (void *)func,
222 (void *)(__psint_t)dqp->q_nrefs,
223 (void *)(__psint_t)dqp->dq_flags,
224 (void *)(__psint_t)dqp->q_res_bcount,
225 (void *)(__psint_t)be64_to_cpu(dqp->q_core.d_bcount),
226 (void *)(__psint_t)be64_to_cpu(dqp->q_core.d_icount),
227 (void *)(__psint_t)be64_to_cpu(dqp->q_core.d_blk_hardlimit),
228 (void *)(__psint_t)be64_to_cpu(dqp->q_core.d_blk_softlimit),
229 (void *)(__psint_t)be64_to_cpu(dqp->q_core.d_ino_hardlimit),
230 (void *)(__psint_t)be64_to_cpu(dqp->q_core.d_ino_softlimit),
231 (void *)(__psint_t)be32_to_cpu(dqp->q_core.d_id),
232 (void *)(__psint_t)current_pid(),
233 (void *)(__psint_t)ino,
234 (void *)(__psint_t)retaddr,
235 (void *)(__psint_t)udqp);
236 return;
237}
238#endif
239
240
241/* 188/*
242 * If default limits are in force, push them into the dquot now. 189 * If default limits are in force, push them into the dquot now.
243 * We overwrite the dquot limits only if they are zero and this 190 * We overwrite the dquot limits only if they are zero and this
@@ -425,7 +372,8 @@ xfs_qm_dqalloc(
425 xfs_trans_t *tp = *tpp; 372 xfs_trans_t *tp = *tpp;
426 373
427 ASSERT(tp != NULL); 374 ASSERT(tp != NULL);
428 xfs_dqtrace_entry(dqp, "DQALLOC"); 375
376 trace_xfs_dqalloc(dqp);
429 377
430 /* 378 /*
431 * Initialize the bmap freelist prior to calling bmapi code. 379 * Initialize the bmap freelist prior to calling bmapi code.
@@ -612,7 +560,8 @@ xfs_qm_dqtobp(
612 * (in which case we already have the buf). 560 * (in which case we already have the buf).
613 */ 561 */
614 if (! newdquot) { 562 if (! newdquot) {
615 xfs_dqtrace_entry(dqp, "DQTOBP READBUF"); 563 trace_xfs_dqtobp_read(dqp);
564
616 if ((error = xfs_trans_read_buf(mp, tp, mp->m_ddev_targp, 565 if ((error = xfs_trans_read_buf(mp, tp, mp->m_ddev_targp,
617 dqp->q_blkno, 566 dqp->q_blkno,
618 XFS_QI_DQCHUNKLEN(mp), 567 XFS_QI_DQCHUNKLEN(mp),
@@ -670,11 +619,12 @@ xfs_qm_dqread(
670 619
671 ASSERT(tpp); 620 ASSERT(tpp);
672 621
622 trace_xfs_dqread(dqp);
623
673 /* 624 /*
674 * get a pointer to the on-disk dquot and the buffer containing it 625 * get a pointer to the on-disk dquot and the buffer containing it
675 * dqp already knows its own type (GROUP/USER). 626 * dqp already knows its own type (GROUP/USER).
676 */ 627 */
677 xfs_dqtrace_entry(dqp, "DQREAD");
678 if ((error = xfs_qm_dqtobp(tpp, dqp, &ddqp, &bp, flags))) { 628 if ((error = xfs_qm_dqtobp(tpp, dqp, &ddqp, &bp, flags))) {
679 return (error); 629 return (error);
680 } 630 }
@@ -763,7 +713,7 @@ xfs_qm_idtodq(
763 * or if the dquot didn't exist on disk and we ask to 713 * or if the dquot didn't exist on disk and we ask to
764 * allocate (ENOENT). 714 * allocate (ENOENT).
765 */ 715 */
766 xfs_dqtrace_entry(dqp, "DQREAD FAIL"); 716 trace_xfs_dqread_fail(dqp);
767 cancelflags |= XFS_TRANS_ABORT; 717 cancelflags |= XFS_TRANS_ABORT;
768 goto error0; 718 goto error0;
769 } 719 }
@@ -817,7 +767,8 @@ xfs_qm_dqlookup(
817 * id can't be modified without the hashlock anyway. 767 * id can't be modified without the hashlock anyway.
818 */ 768 */
819 if (be32_to_cpu(dqp->q_core.d_id) == id && dqp->q_mount == mp) { 769 if (be32_to_cpu(dqp->q_core.d_id) == id && dqp->q_mount == mp) {
820 xfs_dqtrace_entry(dqp, "DQFOUND BY LOOKUP"); 770 trace_xfs_dqlookup_found(dqp);
771
821 /* 772 /*
822 * All in core dquots must be on the dqlist of mp 773 * All in core dquots must be on the dqlist of mp
823 */ 774 */
@@ -827,7 +778,7 @@ xfs_qm_dqlookup(
827 if (dqp->q_nrefs == 0) { 778 if (dqp->q_nrefs == 0) {
828 ASSERT (XFS_DQ_IS_ON_FREELIST(dqp)); 779 ASSERT (XFS_DQ_IS_ON_FREELIST(dqp));
829 if (! xfs_qm_freelist_lock_nowait(xfs_Gqm)) { 780 if (! xfs_qm_freelist_lock_nowait(xfs_Gqm)) {
830 xfs_dqtrace_entry(dqp, "DQLOOKUP: WANT"); 781 trace_xfs_dqlookup_want(dqp);
831 782
832 /* 783 /*
833 * We may have raced with dqreclaim_one() 784 * We may have raced with dqreclaim_one()
@@ -857,8 +808,7 @@ xfs_qm_dqlookup(
857 /* 808 /*
858 * take it off the freelist 809 * take it off the freelist
859 */ 810 */
860 xfs_dqtrace_entry(dqp, 811 trace_xfs_dqlookup_freelist(dqp);
861 "DQLOOKUP: TAKEOFF FL");
862 XQM_FREELIST_REMOVE(dqp); 812 XQM_FREELIST_REMOVE(dqp);
863 /* xfs_qm_freelist_print(&(xfs_Gqm-> 813 /* xfs_qm_freelist_print(&(xfs_Gqm->
864 qm_dqfreelist), 814 qm_dqfreelist),
@@ -878,8 +828,7 @@ xfs_qm_dqlookup(
878 */ 828 */
879 ASSERT(mutex_is_locked(&qh->qh_lock)); 829 ASSERT(mutex_is_locked(&qh->qh_lock));
880 if (dqp->HL_PREVP != &qh->qh_next) { 830 if (dqp->HL_PREVP != &qh->qh_next) {
881 xfs_dqtrace_entry(dqp, 831 trace_xfs_dqlookup_move(dqp);
882 "DQLOOKUP: HASH MOVETOFRONT");
883 if ((d = dqp->HL_NEXT)) 832 if ((d = dqp->HL_NEXT))
884 d->HL_PREVP = dqp->HL_PREVP; 833 d->HL_PREVP = dqp->HL_PREVP;
885 *(dqp->HL_PREVP) = d; 834 *(dqp->HL_PREVP) = d;
@@ -889,7 +838,7 @@ xfs_qm_dqlookup(
889 dqp->HL_PREVP = &qh->qh_next; 838 dqp->HL_PREVP = &qh->qh_next;
890 qh->qh_next = dqp; 839 qh->qh_next = dqp;
891 } 840 }
892 xfs_dqtrace_entry(dqp, "LOOKUP END"); 841 trace_xfs_dqlookup_done(dqp);
893 *O_dqpp = dqp; 842 *O_dqpp = dqp;
894 ASSERT(mutex_is_locked(&qh->qh_lock)); 843 ASSERT(mutex_is_locked(&qh->qh_lock));
895 return (0); 844 return (0);
@@ -971,7 +920,7 @@ xfs_qm_dqget(
971 ASSERT(*O_dqpp); 920 ASSERT(*O_dqpp);
972 ASSERT(XFS_DQ_IS_LOCKED(*O_dqpp)); 921 ASSERT(XFS_DQ_IS_LOCKED(*O_dqpp));
973 mutex_unlock(&h->qh_lock); 922 mutex_unlock(&h->qh_lock);
974 xfs_dqtrace_entry(*O_dqpp, "DQGET DONE (FROM CACHE)"); 923 trace_xfs_dqget_hit(*O_dqpp);
975 return (0); /* success */ 924 return (0); /* success */
976 } 925 }
977 XQM_STATS_INC(xqmstats.xs_qm_dqcachemisses); 926 XQM_STATS_INC(xqmstats.xs_qm_dqcachemisses);
@@ -1104,7 +1053,7 @@ xfs_qm_dqget(
1104 mutex_unlock(&h->qh_lock); 1053 mutex_unlock(&h->qh_lock);
1105 dqret: 1054 dqret:
1106 ASSERT((ip == NULL) || xfs_isilocked(ip, XFS_ILOCK_EXCL)); 1055 ASSERT((ip == NULL) || xfs_isilocked(ip, XFS_ILOCK_EXCL));
1107 xfs_dqtrace_entry(dqp, "DQGET DONE"); 1056 trace_xfs_dqget_miss(dqp);
1108 *O_dqpp = dqp; 1057 *O_dqpp = dqp;
1109 return (0); 1058 return (0);
1110} 1059}
@@ -1124,7 +1073,8 @@ xfs_qm_dqput(
1124 1073
1125 ASSERT(dqp->q_nrefs > 0); 1074 ASSERT(dqp->q_nrefs > 0);
1126 ASSERT(XFS_DQ_IS_LOCKED(dqp)); 1075 ASSERT(XFS_DQ_IS_LOCKED(dqp));
1127 xfs_dqtrace_entry(dqp, "DQPUT"); 1076
1077 trace_xfs_dqput(dqp);
1128 1078
1129 if (dqp->q_nrefs != 1) { 1079 if (dqp->q_nrefs != 1) {
1130 dqp->q_nrefs--; 1080 dqp->q_nrefs--;
@@ -1137,7 +1087,7 @@ xfs_qm_dqput(
1137 * in the right order; but try to get it out-of-order first 1087 * in the right order; but try to get it out-of-order first
1138 */ 1088 */
1139 if (! xfs_qm_freelist_lock_nowait(xfs_Gqm)) { 1089 if (! xfs_qm_freelist_lock_nowait(xfs_Gqm)) {
1140 xfs_dqtrace_entry(dqp, "DQPUT: FLLOCK-WAIT"); 1090 trace_xfs_dqput_wait(dqp);
1141 xfs_dqunlock(dqp); 1091 xfs_dqunlock(dqp);
1142 xfs_qm_freelist_lock(xfs_Gqm); 1092 xfs_qm_freelist_lock(xfs_Gqm);
1143 xfs_dqlock(dqp); 1093 xfs_dqlock(dqp);
@@ -1148,7 +1098,8 @@ xfs_qm_dqput(
1148 1098
1149 /* We can't depend on nrefs being == 1 here */ 1099 /* We can't depend on nrefs being == 1 here */
1150 if (--dqp->q_nrefs == 0) { 1100 if (--dqp->q_nrefs == 0) {
1151 xfs_dqtrace_entry(dqp, "DQPUT: ON FREELIST"); 1101 trace_xfs_dqput_free(dqp);
1102
1152 /* 1103 /*
1153 * insert at end of the freelist. 1104 * insert at end of the freelist.
1154 */ 1105 */
@@ -1196,7 +1147,7 @@ xfs_qm_dqrele(
1196 if (!dqp) 1147 if (!dqp)
1197 return; 1148 return;
1198 1149
1199 xfs_dqtrace_entry(dqp, "DQRELE"); 1150 trace_xfs_dqrele(dqp);
1200 1151
1201 xfs_dqlock(dqp); 1152 xfs_dqlock(dqp);
1202 /* 1153 /*
@@ -1229,7 +1180,7 @@ xfs_qm_dqflush(
1229 1180
1230 ASSERT(XFS_DQ_IS_LOCKED(dqp)); 1181 ASSERT(XFS_DQ_IS_LOCKED(dqp));
1231 ASSERT(!completion_done(&dqp->q_flush)); 1182 ASSERT(!completion_done(&dqp->q_flush));
1232 xfs_dqtrace_entry(dqp, "DQFLUSH"); 1183 trace_xfs_dqflush(dqp);
1233 1184
1234 /* 1185 /*
1235 * If not dirty, or it's pinned and we are not supposed to 1186 * If not dirty, or it's pinned and we are not supposed to
@@ -1259,7 +1210,6 @@ xfs_qm_dqflush(
1259 * the ondisk-dquot has already been allocated for. 1210 * the ondisk-dquot has already been allocated for.
1260 */ 1211 */
1261 if ((error = xfs_qm_dqtobp(NULL, dqp, &ddqp, &bp, XFS_QMOPT_DOWARN))) { 1212 if ((error = xfs_qm_dqtobp(NULL, dqp, &ddqp, &bp, XFS_QMOPT_DOWARN))) {
1262 xfs_dqtrace_entry(dqp, "DQTOBP FAIL");
1263 ASSERT(error != ENOENT); 1213 ASSERT(error != ENOENT);
1264 /* 1214 /*
1265 * Quotas could have gotten turned off (ESRCH) 1215 * Quotas could have gotten turned off (ESRCH)
@@ -1297,7 +1247,7 @@ xfs_qm_dqflush(
1297 * get stuck waiting in the write for too long. 1247 * get stuck waiting in the write for too long.
1298 */ 1248 */
1299 if (XFS_BUF_ISPINNED(bp)) { 1249 if (XFS_BUF_ISPINNED(bp)) {
1300 xfs_dqtrace_entry(dqp, "DQFLUSH LOG FORCE"); 1250 trace_xfs_dqflush_force(dqp);
1301 xfs_log_force(mp, (xfs_lsn_t)0, XFS_LOG_FORCE); 1251 xfs_log_force(mp, (xfs_lsn_t)0, XFS_LOG_FORCE);
1302 } 1252 }
1303 1253
@@ -1308,7 +1258,9 @@ xfs_qm_dqflush(
1308 } else { 1258 } else {
1309 error = xfs_bwrite(mp, bp); 1259 error = xfs_bwrite(mp, bp);
1310 } 1260 }
1311 xfs_dqtrace_entry(dqp, "DQFLUSH END"); 1261
1262 trace_xfs_dqflush_done(dqp);
1263
1312 /* 1264 /*
1313 * dqp is still locked, but caller is free to unlock it now. 1265 * dqp is still locked, but caller is free to unlock it now.
1314 */ 1266 */
@@ -1483,7 +1435,7 @@ xfs_qm_dqpurge(
1483 */ 1435 */
1484 if (XFS_DQ_IS_DIRTY(dqp)) { 1436 if (XFS_DQ_IS_DIRTY(dqp)) {
1485 int error; 1437 int error;
1486 xfs_dqtrace_entry(dqp, "DQPURGE ->DQFLUSH: DQDIRTY"); 1438
1487 /* dqflush unlocks dqflock */ 1439 /* dqflush unlocks dqflock */
1488 /* 1440 /*
1489 * Given that dqpurge is a very rare occurrence, it is OK 1441 * Given that dqpurge is a very rare occurrence, it is OK