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-rw-r--r--fs/xfs/xfs_alloc.c230
1 files changed, 44 insertions, 186 deletions
diff --git a/fs/xfs/xfs_alloc.c b/fs/xfs/xfs_alloc.c
index 2cf944eb796d..a1c65fc6d9c4 100644
--- a/fs/xfs/xfs_alloc.c
+++ b/fs/xfs/xfs_alloc.c
@@ -38,6 +38,7 @@
38#include "xfs_ialloc.h" 38#include "xfs_ialloc.h"
39#include "xfs_alloc.h" 39#include "xfs_alloc.h"
40#include "xfs_error.h" 40#include "xfs_error.h"
41#include "xfs_trace.h"
41 42
42 43
43#define XFS_ABSDIFF(a,b) (((a) <= (b)) ? ((b) - (a)) : ((a) - (b))) 44#define XFS_ABSDIFF(a,b) (((a) <= (b)) ? ((b) - (a)) : ((a) - (b)))
@@ -51,30 +52,6 @@ xfs_alloc_search_busy(xfs_trans_t *tp,
51 xfs_agblock_t bno, 52 xfs_agblock_t bno,
52 xfs_extlen_t len); 53 xfs_extlen_t len);
53 54
54#if defined(XFS_ALLOC_TRACE)
55ktrace_t *xfs_alloc_trace_buf;
56
57#define TRACE_ALLOC(s,a) \
58 xfs_alloc_trace_alloc(__func__, s, a, __LINE__)
59#define TRACE_FREE(s,a,b,x,f) \
60 xfs_alloc_trace_free(__func__, s, mp, a, b, x, f, __LINE__)
61#define TRACE_MODAGF(s,a,f) \
62 xfs_alloc_trace_modagf(__func__, s, mp, a, f, __LINE__)
63#define TRACE_BUSY(__func__,s,ag,agb,l,sl,tp) \
64 xfs_alloc_trace_busy(__func__, s, mp, ag, agb, l, sl, tp, XFS_ALLOC_KTRACE_BUSY, __LINE__)
65#define TRACE_UNBUSY(__func__,s,ag,sl,tp) \
66 xfs_alloc_trace_busy(__func__, s, mp, ag, -1, -1, sl, tp, XFS_ALLOC_KTRACE_UNBUSY, __LINE__)
67#define TRACE_BUSYSEARCH(__func__,s,ag,agb,l,tp) \
68 xfs_alloc_trace_busy(__func__, s, mp, ag, agb, l, 0, tp, XFS_ALLOC_KTRACE_BUSYSEARCH, __LINE__)
69#else
70#define TRACE_ALLOC(s,a)
71#define TRACE_FREE(s,a,b,x,f)
72#define TRACE_MODAGF(s,a,f)
73#define TRACE_BUSY(s,a,ag,agb,l,sl,tp)
74#define TRACE_UNBUSY(fname,s,ag,sl,tp)
75#define TRACE_BUSYSEARCH(fname,s,ag,agb,l,tp)
76#endif /* XFS_ALLOC_TRACE */
77
78/* 55/*
79 * Prototypes for per-ag allocation routines 56 * Prototypes for per-ag allocation routines
80 */ 57 */
@@ -498,124 +475,6 @@ xfs_alloc_read_agfl(
498 return 0; 475 return 0;
499} 476}
500 477
501#if defined(XFS_ALLOC_TRACE)
502/*
503 * Add an allocation trace entry for an alloc call.
504 */
505STATIC void
506xfs_alloc_trace_alloc(
507 const char *name, /* function tag string */
508 char *str, /* additional string */
509 xfs_alloc_arg_t *args, /* allocation argument structure */
510 int line) /* source line number */
511{
512 ktrace_enter(xfs_alloc_trace_buf,
513 (void *)(__psint_t)(XFS_ALLOC_KTRACE_ALLOC | (line << 16)),
514 (void *)name,
515 (void *)str,
516 (void *)args->mp,
517 (void *)(__psunsigned_t)args->agno,
518 (void *)(__psunsigned_t)args->agbno,
519 (void *)(__psunsigned_t)args->minlen,
520 (void *)(__psunsigned_t)args->maxlen,
521 (void *)(__psunsigned_t)args->mod,
522 (void *)(__psunsigned_t)args->prod,
523 (void *)(__psunsigned_t)args->minleft,
524 (void *)(__psunsigned_t)args->total,
525 (void *)(__psunsigned_t)args->alignment,
526 (void *)(__psunsigned_t)args->len,
527 (void *)((((__psint_t)args->type) << 16) |
528 (__psint_t)args->otype),
529 (void *)(__psint_t)((args->wasdel << 3) |
530 (args->wasfromfl << 2) |
531 (args->isfl << 1) |
532 (args->userdata << 0)));
533}
534
535/*
536 * Add an allocation trace entry for a free call.
537 */
538STATIC void
539xfs_alloc_trace_free(
540 const char *name, /* function tag string */
541 char *str, /* additional string */
542 xfs_mount_t *mp, /* file system mount point */
543 xfs_agnumber_t agno, /* allocation group number */
544 xfs_agblock_t agbno, /* a.g. relative block number */
545 xfs_extlen_t len, /* length of extent */
546 int isfl, /* set if is freelist allocation/free */
547 int line) /* source line number */
548{
549 ktrace_enter(xfs_alloc_trace_buf,
550 (void *)(__psint_t)(XFS_ALLOC_KTRACE_FREE | (line << 16)),
551 (void *)name,
552 (void *)str,
553 (void *)mp,
554 (void *)(__psunsigned_t)agno,
555 (void *)(__psunsigned_t)agbno,
556 (void *)(__psunsigned_t)len,
557 (void *)(__psint_t)isfl,
558 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL);
559}
560
561/*
562 * Add an allocation trace entry for modifying an agf.
563 */
564STATIC void
565xfs_alloc_trace_modagf(
566 const char *name, /* function tag string */
567 char *str, /* additional string */
568 xfs_mount_t *mp, /* file system mount point */
569 xfs_agf_t *agf, /* new agf value */
570 int flags, /* logging flags for agf */
571 int line) /* source line number */
572{
573 ktrace_enter(xfs_alloc_trace_buf,
574 (void *)(__psint_t)(XFS_ALLOC_KTRACE_MODAGF | (line << 16)),
575 (void *)name,
576 (void *)str,
577 (void *)mp,
578 (void *)(__psint_t)flags,
579 (void *)(__psunsigned_t)be32_to_cpu(agf->agf_seqno),
580 (void *)(__psunsigned_t)be32_to_cpu(agf->agf_length),
581 (void *)(__psunsigned_t)be32_to_cpu(agf->agf_roots[XFS_BTNUM_BNO]),
582 (void *)(__psunsigned_t)be32_to_cpu(agf->agf_roots[XFS_BTNUM_CNT]),
583 (void *)(__psunsigned_t)be32_to_cpu(agf->agf_levels[XFS_BTNUM_BNO]),
584 (void *)(__psunsigned_t)be32_to_cpu(agf->agf_levels[XFS_BTNUM_CNT]),
585 (void *)(__psunsigned_t)be32_to_cpu(agf->agf_flfirst),
586 (void *)(__psunsigned_t)be32_to_cpu(agf->agf_fllast),
587 (void *)(__psunsigned_t)be32_to_cpu(agf->agf_flcount),
588 (void *)(__psunsigned_t)be32_to_cpu(agf->agf_freeblks),
589 (void *)(__psunsigned_t)be32_to_cpu(agf->agf_longest));
590}
591
592STATIC void
593xfs_alloc_trace_busy(
594 const char *name, /* function tag string */
595 char *str, /* additional string */
596 xfs_mount_t *mp, /* file system mount point */
597 xfs_agnumber_t agno, /* allocation group number */
598 xfs_agblock_t agbno, /* a.g. relative block number */
599 xfs_extlen_t len, /* length of extent */
600 int slot, /* perag Busy slot */
601 xfs_trans_t *tp,
602 int trtype, /* type: add, delete, search */
603 int line) /* source line number */
604{
605 ktrace_enter(xfs_alloc_trace_buf,
606 (void *)(__psint_t)(trtype | (line << 16)),
607 (void *)name,
608 (void *)str,
609 (void *)mp,
610 (void *)(__psunsigned_t)agno,
611 (void *)(__psunsigned_t)agbno,
612 (void *)(__psunsigned_t)len,
613 (void *)(__psint_t)slot,
614 (void *)tp,
615 NULL, NULL, NULL, NULL, NULL, NULL, NULL);
616}
617#endif /* XFS_ALLOC_TRACE */
618
619/* 478/*
620 * Allocation group level functions. 479 * Allocation group level functions.
621 */ 480 */
@@ -665,9 +524,6 @@ xfs_alloc_ag_vextent(
665 */ 524 */
666 if (args->agbno != NULLAGBLOCK) { 525 if (args->agbno != NULLAGBLOCK) {
667 xfs_agf_t *agf; /* allocation group freelist header */ 526 xfs_agf_t *agf; /* allocation group freelist header */
668#ifdef XFS_ALLOC_TRACE
669 xfs_mount_t *mp = args->mp;
670#endif
671 long slen = (long)args->len; 527 long slen = (long)args->len;
672 528
673 ASSERT(args->len >= args->minlen && args->len <= args->maxlen); 529 ASSERT(args->len >= args->minlen && args->len <= args->maxlen);
@@ -682,7 +538,6 @@ xfs_alloc_ag_vextent(
682 args->pag->pagf_freeblks -= args->len; 538 args->pag->pagf_freeblks -= args->len;
683 ASSERT(be32_to_cpu(agf->agf_freeblks) <= 539 ASSERT(be32_to_cpu(agf->agf_freeblks) <=
684 be32_to_cpu(agf->agf_length)); 540 be32_to_cpu(agf->agf_length));
685 TRACE_MODAGF(NULL, agf, XFS_AGF_FREEBLKS);
686 xfs_alloc_log_agf(args->tp, args->agbp, 541 xfs_alloc_log_agf(args->tp, args->agbp,
687 XFS_AGF_FREEBLKS); 542 XFS_AGF_FREEBLKS);
688 /* search the busylist for these blocks */ 543 /* search the busylist for these blocks */
@@ -792,13 +647,14 @@ xfs_alloc_ag_vextent_exact(
792 } 647 }
793 xfs_btree_del_cursor(bno_cur, XFS_BTREE_NOERROR); 648 xfs_btree_del_cursor(bno_cur, XFS_BTREE_NOERROR);
794 xfs_btree_del_cursor(cnt_cur, XFS_BTREE_NOERROR); 649 xfs_btree_del_cursor(cnt_cur, XFS_BTREE_NOERROR);
795 TRACE_ALLOC("normal", args); 650
651 trace_xfs_alloc_exact_done(args);
796 args->wasfromfl = 0; 652 args->wasfromfl = 0;
797 return 0; 653 return 0;
798 654
799error0: 655error0:
800 xfs_btree_del_cursor(bno_cur, XFS_BTREE_ERROR); 656 xfs_btree_del_cursor(bno_cur, XFS_BTREE_ERROR);
801 TRACE_ALLOC("error", args); 657 trace_xfs_alloc_exact_error(args);
802 return error; 658 return error;
803} 659}
804 660
@@ -958,7 +814,7 @@ xfs_alloc_ag_vextent_near(
958 args->len = blen; 814 args->len = blen;
959 if (!xfs_alloc_fix_minleft(args)) { 815 if (!xfs_alloc_fix_minleft(args)) {
960 xfs_btree_del_cursor(cnt_cur, XFS_BTREE_NOERROR); 816 xfs_btree_del_cursor(cnt_cur, XFS_BTREE_NOERROR);
961 TRACE_ALLOC("nominleft", args); 817 trace_xfs_alloc_near_nominleft(args);
962 return 0; 818 return 0;
963 } 819 }
964 blen = args->len; 820 blen = args->len;
@@ -981,7 +837,8 @@ xfs_alloc_ag_vextent_near(
981 goto error0; 837 goto error0;
982 xfs_btree_del_cursor(cnt_cur, XFS_BTREE_NOERROR); 838 xfs_btree_del_cursor(cnt_cur, XFS_BTREE_NOERROR);
983 xfs_btree_del_cursor(bno_cur_lt, XFS_BTREE_NOERROR); 839 xfs_btree_del_cursor(bno_cur_lt, XFS_BTREE_NOERROR);
984 TRACE_ALLOC("first", args); 840
841 trace_xfs_alloc_near_first(args);
985 return 0; 842 return 0;
986 } 843 }
987 /* 844 /*
@@ -1272,7 +1129,7 @@ xfs_alloc_ag_vextent_near(
1272 * If we couldn't get anything, give up. 1129 * If we couldn't get anything, give up.
1273 */ 1130 */
1274 if (bno_cur_lt == NULL && bno_cur_gt == NULL) { 1131 if (bno_cur_lt == NULL && bno_cur_gt == NULL) {
1275 TRACE_ALLOC("neither", args); 1132 trace_xfs_alloc_size_neither(args);
1276 args->agbno = NULLAGBLOCK; 1133 args->agbno = NULLAGBLOCK;
1277 return 0; 1134 return 0;
1278 } 1135 }
@@ -1299,7 +1156,7 @@ xfs_alloc_ag_vextent_near(
1299 args->len = XFS_EXTLEN_MIN(ltlena, args->maxlen); 1156 args->len = XFS_EXTLEN_MIN(ltlena, args->maxlen);
1300 xfs_alloc_fix_len(args); 1157 xfs_alloc_fix_len(args);
1301 if (!xfs_alloc_fix_minleft(args)) { 1158 if (!xfs_alloc_fix_minleft(args)) {
1302 TRACE_ALLOC("nominleft", args); 1159 trace_xfs_alloc_near_nominleft(args);
1303 xfs_btree_del_cursor(bno_cur_lt, XFS_BTREE_NOERROR); 1160 xfs_btree_del_cursor(bno_cur_lt, XFS_BTREE_NOERROR);
1304 xfs_btree_del_cursor(cnt_cur, XFS_BTREE_NOERROR); 1161 xfs_btree_del_cursor(cnt_cur, XFS_BTREE_NOERROR);
1305 return 0; 1162 return 0;
@@ -1314,13 +1171,18 @@ xfs_alloc_ag_vextent_near(
1314 if ((error = xfs_alloc_fixup_trees(cnt_cur, bno_cur_lt, ltbno, ltlen, 1171 if ((error = xfs_alloc_fixup_trees(cnt_cur, bno_cur_lt, ltbno, ltlen,
1315 ltnew, rlen, XFSA_FIXUP_BNO_OK))) 1172 ltnew, rlen, XFSA_FIXUP_BNO_OK)))
1316 goto error0; 1173 goto error0;
1317 TRACE_ALLOC(j ? "gt" : "lt", args); 1174
1175 if (j)
1176 trace_xfs_alloc_near_greater(args);
1177 else
1178 trace_xfs_alloc_near_lesser(args);
1179
1318 xfs_btree_del_cursor(cnt_cur, XFS_BTREE_NOERROR); 1180 xfs_btree_del_cursor(cnt_cur, XFS_BTREE_NOERROR);
1319 xfs_btree_del_cursor(bno_cur_lt, XFS_BTREE_NOERROR); 1181 xfs_btree_del_cursor(bno_cur_lt, XFS_BTREE_NOERROR);
1320 return 0; 1182 return 0;
1321 1183
1322 error0: 1184 error0:
1323 TRACE_ALLOC("error", args); 1185 trace_xfs_alloc_near_error(args);
1324 if (cnt_cur != NULL) 1186 if (cnt_cur != NULL)
1325 xfs_btree_del_cursor(cnt_cur, XFS_BTREE_ERROR); 1187 xfs_btree_del_cursor(cnt_cur, XFS_BTREE_ERROR);
1326 if (bno_cur_lt != NULL) 1188 if (bno_cur_lt != NULL)
@@ -1371,7 +1233,7 @@ xfs_alloc_ag_vextent_size(
1371 goto error0; 1233 goto error0;
1372 if (i == 0 || flen == 0) { 1234 if (i == 0 || flen == 0) {
1373 xfs_btree_del_cursor(cnt_cur, XFS_BTREE_NOERROR); 1235 xfs_btree_del_cursor(cnt_cur, XFS_BTREE_NOERROR);
1374 TRACE_ALLOC("noentry", args); 1236 trace_xfs_alloc_size_noentry(args);
1375 return 0; 1237 return 0;
1376 } 1238 }
1377 ASSERT(i == 1); 1239 ASSERT(i == 1);
@@ -1448,7 +1310,7 @@ xfs_alloc_ag_vextent_size(
1448 xfs_alloc_fix_len(args); 1310 xfs_alloc_fix_len(args);
1449 if (rlen < args->minlen || !xfs_alloc_fix_minleft(args)) { 1311 if (rlen < args->minlen || !xfs_alloc_fix_minleft(args)) {
1450 xfs_btree_del_cursor(cnt_cur, XFS_BTREE_NOERROR); 1312 xfs_btree_del_cursor(cnt_cur, XFS_BTREE_NOERROR);
1451 TRACE_ALLOC("nominleft", args); 1313 trace_xfs_alloc_size_nominleft(args);
1452 args->agbno = NULLAGBLOCK; 1314 args->agbno = NULLAGBLOCK;
1453 return 0; 1315 return 0;
1454 } 1316 }
@@ -1471,11 +1333,11 @@ xfs_alloc_ag_vextent_size(
1471 args->agbno + args->len <= 1333 args->agbno + args->len <=
1472 be32_to_cpu(XFS_BUF_TO_AGF(args->agbp)->agf_length), 1334 be32_to_cpu(XFS_BUF_TO_AGF(args->agbp)->agf_length),
1473 error0); 1335 error0);
1474 TRACE_ALLOC("normal", args); 1336 trace_xfs_alloc_size_done(args);
1475 return 0; 1337 return 0;
1476 1338
1477error0: 1339error0:
1478 TRACE_ALLOC("error", args); 1340 trace_xfs_alloc_size_error(args);
1479 if (cnt_cur) 1341 if (cnt_cur)
1480 xfs_btree_del_cursor(cnt_cur, XFS_BTREE_ERROR); 1342 xfs_btree_del_cursor(cnt_cur, XFS_BTREE_ERROR);
1481 if (bno_cur) 1343 if (bno_cur)
@@ -1534,7 +1396,7 @@ xfs_alloc_ag_vextent_small(
1534 be32_to_cpu(XFS_BUF_TO_AGF(args->agbp)->agf_length), 1396 be32_to_cpu(XFS_BUF_TO_AGF(args->agbp)->agf_length),
1535 error0); 1397 error0);
1536 args->wasfromfl = 1; 1398 args->wasfromfl = 1;
1537 TRACE_ALLOC("freelist", args); 1399 trace_xfs_alloc_small_freelist(args);
1538 *stat = 0; 1400 *stat = 0;
1539 return 0; 1401 return 0;
1540 } 1402 }
@@ -1556,17 +1418,17 @@ xfs_alloc_ag_vextent_small(
1556 */ 1418 */
1557 if (flen < args->minlen) { 1419 if (flen < args->minlen) {
1558 args->agbno = NULLAGBLOCK; 1420 args->agbno = NULLAGBLOCK;
1559 TRACE_ALLOC("notenough", args); 1421 trace_xfs_alloc_small_notenough(args);
1560 flen = 0; 1422 flen = 0;
1561 } 1423 }
1562 *fbnop = fbno; 1424 *fbnop = fbno;
1563 *flenp = flen; 1425 *flenp = flen;
1564 *stat = 1; 1426 *stat = 1;
1565 TRACE_ALLOC("normal", args); 1427 trace_xfs_alloc_small_done(args);
1566 return 0; 1428 return 0;
1567 1429
1568error0: 1430error0:
1569 TRACE_ALLOC("error", args); 1431 trace_xfs_alloc_small_error(args);
1570 return error; 1432 return error;
1571} 1433}
1572 1434
@@ -1809,17 +1671,14 @@ xfs_free_ag_extent(
1809 be32_to_cpu(agf->agf_freeblks) <= 1671 be32_to_cpu(agf->agf_freeblks) <=
1810 be32_to_cpu(agf->agf_length), 1672 be32_to_cpu(agf->agf_length),
1811 error0); 1673 error0);
1812 TRACE_MODAGF(NULL, agf, XFS_AGF_FREEBLKS);
1813 xfs_alloc_log_agf(tp, agbp, XFS_AGF_FREEBLKS); 1674 xfs_alloc_log_agf(tp, agbp, XFS_AGF_FREEBLKS);
1814 if (!isfl) 1675 if (!isfl)
1815 xfs_trans_mod_sb(tp, XFS_TRANS_SB_FDBLOCKS, (long)len); 1676 xfs_trans_mod_sb(tp, XFS_TRANS_SB_FDBLOCKS, (long)len);
1816 XFS_STATS_INC(xs_freex); 1677 XFS_STATS_INC(xs_freex);
1817 XFS_STATS_ADD(xs_freeb, len); 1678 XFS_STATS_ADD(xs_freeb, len);
1818 } 1679 }
1819 TRACE_FREE(haveleft ? 1680
1820 (haveright ? "both" : "left") : 1681 trace_xfs_free_extent(mp, agno, bno, len, isfl, haveleft, haveright);
1821 (haveright ? "right" : "none"),
1822 agno, bno, len, isfl);
1823 1682
1824 /* 1683 /*
1825 * Since blocks move to the free list without the coordination 1684 * Since blocks move to the free list without the coordination
@@ -1836,7 +1695,7 @@ xfs_free_ag_extent(
1836 return 0; 1695 return 0;
1837 1696
1838 error0: 1697 error0:
1839 TRACE_FREE("error", agno, bno, len, isfl); 1698 trace_xfs_free_extent(mp, agno, bno, len, isfl, -1, -1);
1840 if (bno_cur) 1699 if (bno_cur)
1841 xfs_btree_del_cursor(bno_cur, XFS_BTREE_ERROR); 1700 xfs_btree_del_cursor(bno_cur, XFS_BTREE_ERROR);
1842 if (cnt_cur) 1701 if (cnt_cur)
@@ -2122,7 +1981,6 @@ xfs_alloc_get_freelist(
2122 logflags |= XFS_AGF_BTREEBLKS; 1981 logflags |= XFS_AGF_BTREEBLKS;
2123 } 1982 }
2124 1983
2125 TRACE_MODAGF(NULL, agf, logflags);
2126 xfs_alloc_log_agf(tp, agbp, logflags); 1984 xfs_alloc_log_agf(tp, agbp, logflags);
2127 *bnop = bno; 1985 *bnop = bno;
2128 1986
@@ -2165,6 +2023,8 @@ xfs_alloc_log_agf(
2165 sizeof(xfs_agf_t) 2023 sizeof(xfs_agf_t)
2166 }; 2024 };
2167 2025
2026 trace_xfs_agf(tp->t_mountp, XFS_BUF_TO_AGF(bp), fields, _RET_IP_);
2027
2168 xfs_btree_offsets(fields, offsets, XFS_AGF_NUM_BITS, &first, &last); 2028 xfs_btree_offsets(fields, offsets, XFS_AGF_NUM_BITS, &first, &last);
2169 xfs_trans_log_buf(tp, bp, (uint)first, (uint)last); 2029 xfs_trans_log_buf(tp, bp, (uint)first, (uint)last);
2170} 2030}
@@ -2230,13 +2090,11 @@ xfs_alloc_put_freelist(
2230 logflags |= XFS_AGF_BTREEBLKS; 2090 logflags |= XFS_AGF_BTREEBLKS;
2231 } 2091 }
2232 2092
2233 TRACE_MODAGF(NULL, agf, logflags);
2234 xfs_alloc_log_agf(tp, agbp, logflags); 2093 xfs_alloc_log_agf(tp, agbp, logflags);
2235 2094
2236 ASSERT(be32_to_cpu(agf->agf_flcount) <= XFS_AGFL_SIZE(mp)); 2095 ASSERT(be32_to_cpu(agf->agf_flcount) <= XFS_AGFL_SIZE(mp));
2237 blockp = &agfl->agfl_bno[be32_to_cpu(agf->agf_fllast)]; 2096 blockp = &agfl->agfl_bno[be32_to_cpu(agf->agf_fllast)];
2238 *blockp = cpu_to_be32(bno); 2097 *blockp = cpu_to_be32(bno);
2239 TRACE_MODAGF(NULL, agf, logflags);
2240 xfs_alloc_log_agf(tp, agbp, logflags); 2098 xfs_alloc_log_agf(tp, agbp, logflags);
2241 xfs_trans_log_buf(tp, agflbp, 2099 xfs_trans_log_buf(tp, agflbp,
2242 (int)((xfs_caddr_t)blockp - (xfs_caddr_t)agfl), 2100 (int)((xfs_caddr_t)blockp - (xfs_caddr_t)agfl),
@@ -2399,7 +2257,7 @@ xfs_alloc_vextent(
2399 args->minlen > args->maxlen || args->minlen > agsize || 2257 args->minlen > args->maxlen || args->minlen > agsize ||
2400 args->mod >= args->prod) { 2258 args->mod >= args->prod) {
2401 args->fsbno = NULLFSBLOCK; 2259 args->fsbno = NULLFSBLOCK;
2402 TRACE_ALLOC("badargs", args); 2260 trace_xfs_alloc_vextent_badargs(args);
2403 return 0; 2261 return 0;
2404 } 2262 }
2405 minleft = args->minleft; 2263 minleft = args->minleft;
@@ -2418,12 +2276,12 @@ xfs_alloc_vextent(
2418 error = xfs_alloc_fix_freelist(args, 0); 2276 error = xfs_alloc_fix_freelist(args, 0);
2419 args->minleft = minleft; 2277 args->minleft = minleft;
2420 if (error) { 2278 if (error) {
2421 TRACE_ALLOC("nofix", args); 2279 trace_xfs_alloc_vextent_nofix(args);
2422 goto error0; 2280 goto error0;
2423 } 2281 }
2424 if (!args->agbp) { 2282 if (!args->agbp) {
2425 up_read(&mp->m_peraglock); 2283 up_read(&mp->m_peraglock);
2426 TRACE_ALLOC("noagbp", args); 2284 trace_xfs_alloc_vextent_noagbp(args);
2427 break; 2285 break;
2428 } 2286 }
2429 args->agbno = XFS_FSB_TO_AGBNO(mp, args->fsbno); 2287 args->agbno = XFS_FSB_TO_AGBNO(mp, args->fsbno);
@@ -2488,7 +2346,7 @@ xfs_alloc_vextent(
2488 error = xfs_alloc_fix_freelist(args, flags); 2346 error = xfs_alloc_fix_freelist(args, flags);
2489 args->minleft = minleft; 2347 args->minleft = minleft;
2490 if (error) { 2348 if (error) {
2491 TRACE_ALLOC("nofix", args); 2349 trace_xfs_alloc_vextent_nofix(args);
2492 goto error0; 2350 goto error0;
2493 } 2351 }
2494 /* 2352 /*
@@ -2499,7 +2357,9 @@ xfs_alloc_vextent(
2499 goto error0; 2357 goto error0;
2500 break; 2358 break;
2501 } 2359 }
2502 TRACE_ALLOC("loopfailed", args); 2360
2361 trace_xfs_alloc_vextent_loopfailed(args);
2362
2503 /* 2363 /*
2504 * Didn't work, figure out the next iteration. 2364 * Didn't work, figure out the next iteration.
2505 */ 2365 */
@@ -2526,7 +2386,7 @@ xfs_alloc_vextent(
2526 if (args->agno == sagno) { 2386 if (args->agno == sagno) {
2527 if (no_min == 1) { 2387 if (no_min == 1) {
2528 args->agbno = NULLAGBLOCK; 2388 args->agbno = NULLAGBLOCK;
2529 TRACE_ALLOC("allfailed", args); 2389 trace_xfs_alloc_vextent_allfailed(args);
2530 break; 2390 break;
2531 } 2391 }
2532 if (flags == 0) { 2392 if (flags == 0) {
@@ -2642,16 +2502,16 @@ xfs_alloc_mark_busy(xfs_trans_t *tp,
2642 } 2502 }
2643 } 2503 }
2644 2504
2505 trace_xfs_alloc_busy(mp, agno, bno, len, n);
2506
2645 if (n < XFS_PAGB_NUM_SLOTS) { 2507 if (n < XFS_PAGB_NUM_SLOTS) {
2646 bsy = &mp->m_perag[agno].pagb_list[n]; 2508 bsy = &mp->m_perag[agno].pagb_list[n];
2647 mp->m_perag[agno].pagb_count++; 2509 mp->m_perag[agno].pagb_count++;
2648 TRACE_BUSY("xfs_alloc_mark_busy", "got", agno, bno, len, n, tp);
2649 bsy->busy_start = bno; 2510 bsy->busy_start = bno;
2650 bsy->busy_length = len; 2511 bsy->busy_length = len;
2651 bsy->busy_tp = tp; 2512 bsy->busy_tp = tp;
2652 xfs_trans_add_busy(tp, agno, n); 2513 xfs_trans_add_busy(tp, agno, n);
2653 } else { 2514 } else {
2654 TRACE_BUSY("xfs_alloc_mark_busy", "FULL", agno, bno, len, -1, tp);
2655 /* 2515 /*
2656 * The busy list is full! Since it is now not possible to 2516 * The busy list is full! Since it is now not possible to
2657 * track the free block, make this a synchronous transaction 2517 * track the free block, make this a synchronous transaction
@@ -2678,12 +2538,12 @@ xfs_alloc_clear_busy(xfs_trans_t *tp,
2678 list = mp->m_perag[agno].pagb_list; 2538 list = mp->m_perag[agno].pagb_list;
2679 2539
2680 ASSERT(idx < XFS_PAGB_NUM_SLOTS); 2540 ASSERT(idx < XFS_PAGB_NUM_SLOTS);
2541
2542 trace_xfs_alloc_unbusy(mp, agno, idx, list[idx].busy_tp == tp);
2543
2681 if (list[idx].busy_tp == tp) { 2544 if (list[idx].busy_tp == tp) {
2682 TRACE_UNBUSY("xfs_alloc_clear_busy", "found", agno, idx, tp);
2683 list[idx].busy_tp = NULL; 2545 list[idx].busy_tp = NULL;
2684 mp->m_perag[agno].pagb_count--; 2546 mp->m_perag[agno].pagb_count--;
2685 } else {
2686 TRACE_UNBUSY("xfs_alloc_clear_busy", "missing", agno, idx, tp);
2687 } 2547 }
2688 2548
2689 spin_unlock(&mp->m_perag[agno].pagb_lock); 2549 spin_unlock(&mp->m_perag[agno].pagb_lock);
@@ -2724,24 +2584,22 @@ xfs_alloc_search_busy(xfs_trans_t *tp,
2724 if ((bno > bend) || (uend < bsy->busy_start)) { 2584 if ((bno > bend) || (uend < bsy->busy_start)) {
2725 cnt--; 2585 cnt--;
2726 } else { 2586 } else {
2727 TRACE_BUSYSEARCH("xfs_alloc_search_busy",
2728 "found1", agno, bno, len, tp);
2729 break; 2587 break;
2730 } 2588 }
2731 } 2589 }
2732 } 2590 }
2733 2591
2592 trace_xfs_alloc_busysearch(mp, agno, bno, len, !!cnt);
2593
2734 /* 2594 /*
2735 * If a block was found, force the log through the LSN of the 2595 * If a block was found, force the log through the LSN of the
2736 * transaction that freed the block 2596 * transaction that freed the block
2737 */ 2597 */
2738 if (cnt) { 2598 if (cnt) {
2739 TRACE_BUSYSEARCH("xfs_alloc_search_busy", "found", agno, bno, len, tp);
2740 lsn = bsy->busy_tp->t_commit_lsn; 2599 lsn = bsy->busy_tp->t_commit_lsn;
2741 spin_unlock(&mp->m_perag[agno].pagb_lock); 2600 spin_unlock(&mp->m_perag[agno].pagb_lock);
2742 xfs_log_force(mp, lsn, XFS_LOG_FORCE|XFS_LOG_SYNC); 2601 xfs_log_force(mp, lsn, XFS_LOG_FORCE|XFS_LOG_SYNC);
2743 } else { 2602 } else {
2744 TRACE_BUSYSEARCH("xfs_alloc_search_busy", "not-found", agno, bno, len, tp);
2745 spin_unlock(&mp->m_perag[agno].pagb_lock); 2603 spin_unlock(&mp->m_perag[agno].pagb_lock);
2746 } 2604 }
2747} 2605}
generated by cgit v1.2.2 (git 2.25.0) at 2025-10-24 21:00:22 -0400