xfs_btree.c (e9c4d8bfb26c13c41b73fdf4183d3df2d392101e) xfs_btree.c (77a530e6c49d22bd4a221d2f059db24fc30094db)
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Copyright (c) 2000-2002,2005 Silicon Graphics, Inc.
4 * All Rights Reserved.
5 */
6#include "xfs.h"
7#include "xfs_fs.h"
8#include "xfs_shared.h"

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220static xfs_failaddr_t
221__xfs_btree_check_agblock(
222 struct xfs_btree_cur *cur,
223 struct xfs_btree_block *block,
224 int level,
225 struct xfs_buf *bp)
226{
227 struct xfs_mount *mp = cur->bc_mp;
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Copyright (c) 2000-2002,2005 Silicon Graphics, Inc.
4 * All Rights Reserved.
5 */
6#include "xfs.h"
7#include "xfs_fs.h"
8#include "xfs_shared.h"

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220static xfs_failaddr_t
221__xfs_btree_check_agblock(
222 struct xfs_btree_cur *cur,
223 struct xfs_btree_block *block,
224 int level,
225 struct xfs_buf *bp)
226{
227 struct xfs_mount *mp = cur->bc_mp;
228 struct xfs_perag *pag = cur->bc_ag.pag;
228 struct xfs_perag *pag = to_perag(cur->bc_group);
229 xfs_failaddr_t fa;
230 xfs_agblock_t agbno;
231
232 if (xfs_has_crc(mp)) {
233 if (!uuid_equal(&block->bb_u.s.bb_uuid, &mp->m_sb.sb_meta_uuid))
234 return __this_address;
235 if (block->bb_u.s.bb_blkno != cpu_to_be64(xfs_buf_daddr(bp)))
236 return __this_address;

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326 return -EFSCORRUPTED;
327 break;
328 case XFS_BTREE_TYPE_INODE:
329 if (!xfs_verify_fsbno(cur->bc_mp,
330 be64_to_cpu((&ptr->l)[index])))
331 return -EFSCORRUPTED;
332 break;
333 case XFS_BTREE_TYPE_AG:
229 xfs_failaddr_t fa;
230 xfs_agblock_t agbno;
231
232 if (xfs_has_crc(mp)) {
233 if (!uuid_equal(&block->bb_u.s.bb_uuid, &mp->m_sb.sb_meta_uuid))
234 return __this_address;
235 if (block->bb_u.s.bb_blkno != cpu_to_be64(xfs_buf_daddr(bp)))
236 return __this_address;

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326 return -EFSCORRUPTED;
327 break;
328 case XFS_BTREE_TYPE_INODE:
329 if (!xfs_verify_fsbno(cur->bc_mp,
330 be64_to_cpu((&ptr->l)[index])))
331 return -EFSCORRUPTED;
332 break;
333 case XFS_BTREE_TYPE_AG:
334 if (!xfs_verify_agbno(cur->bc_ag.pag,
334 if (!xfs_verify_agbno(to_perag(cur->bc_group),
335 be32_to_cpu((&ptr->s)[index])))
336 return -EFSCORRUPTED;
337 break;
338 }
339
340 return 0;
341}
342

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367"Inode %llu fork %d: Corrupt %sbt pointer at level %d index %d.",
368 cur->bc_ino.ip->i_ino,
369 cur->bc_ino.whichfork, cur->bc_ops->name,
370 level, index);
371 break;
372 case XFS_BTREE_TYPE_AG:
373 xfs_err(cur->bc_mp,
374"AG %u: Corrupt %sbt pointer at level %d index %d.",
335 be32_to_cpu((&ptr->s)[index])))
336 return -EFSCORRUPTED;
337 break;
338 }
339
340 return 0;
341}
342

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367"Inode %llu fork %d: Corrupt %sbt pointer at level %d index %d.",
368 cur->bc_ino.ip->i_ino,
369 cur->bc_ino.whichfork, cur->bc_ops->name,
370 level, index);
371 break;
372 case XFS_BTREE_TYPE_AG:
373 xfs_err(cur->bc_mp,
374"AG %u: Corrupt %sbt pointer at level %d index %d.",
375 pag_agno(cur->bc_ag.pag), cur->bc_ops->name,
375 cur->bc_group->xg_gno, cur->bc_ops->name,
376 level, index);
377 break;
378 }
379 xfs_btree_mark_sick(cur);
380 }
381
382 return error;
383}

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518 * If we are doing a BMBT update, the number of unaccounted blocks
519 * allocated during this cursor life time should be zero. If it's not
520 * zero, then we should be shut down or on our way to shutdown due to
521 * cancelling a dirty transaction on error.
522 */
523 ASSERT(!xfs_btree_is_bmap(cur->bc_ops) || cur->bc_bmap.allocated == 0 ||
524 xfs_is_shutdown(cur->bc_mp) || error != 0);
525
376 level, index);
377 break;
378 }
379 xfs_btree_mark_sick(cur);
380 }
381
382 return error;
383}

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518 * If we are doing a BMBT update, the number of unaccounted blocks
519 * allocated during this cursor life time should be zero. If it's not
520 * zero, then we should be shut down or on our way to shutdown due to
521 * cancelling a dirty transaction on error.
522 */
523 ASSERT(!xfs_btree_is_bmap(cur->bc_ops) || cur->bc_bmap.allocated == 0 ||
524 xfs_is_shutdown(cur->bc_mp) || error != 0);
525
526 switch (cur->bc_ops->type) {
527 case XFS_BTREE_TYPE_AG:
528 if (cur->bc_ag.pag)
529 xfs_perag_put(cur->bc_ag.pag);
530 break;
531 case XFS_BTREE_TYPE_INODE:
532 /* nothing to do */
533 break;
534 case XFS_BTREE_TYPE_MEM:
535 if (cur->bc_mem.pag)
536 xfs_perag_put(cur->bc_mem.pag);
537 break;
538 }
539
526 if (cur->bc_group)
527 xfs_group_put(cur->bc_group);
540 kmem_cache_free(cur->bc_cache, cur);
541}
542
543/* Return the buffer target for this btree's buffer. */
544static inline struct xfs_buftarg *
545xfs_btree_buftarg(
546 struct xfs_btree_cur *cur)
547{

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1012
1013STATIC int
1014xfs_btree_readahead_agblock(
1015 struct xfs_btree_cur *cur,
1016 int lr,
1017 struct xfs_btree_block *block)
1018{
1019 struct xfs_mount *mp = cur->bc_mp;
528 kmem_cache_free(cur->bc_cache, cur);
529}
530
531/* Return the buffer target for this btree's buffer. */
532static inline struct xfs_buftarg *
533xfs_btree_buftarg(
534 struct xfs_btree_cur *cur)
535{

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1000
1001STATIC int
1002xfs_btree_readahead_agblock(
1003 struct xfs_btree_cur *cur,
1004 int lr,
1005 struct xfs_btree_block *block)
1006{
1007 struct xfs_mount *mp = cur->bc_mp;
1008 struct xfs_perag *pag = to_perag(cur->bc_group);
1020 xfs_agblock_t left = be32_to_cpu(block->bb_u.s.bb_leftsib);
1021 xfs_agblock_t right = be32_to_cpu(block->bb_u.s.bb_rightsib);
1022 int rval = 0;
1023
1024 if ((lr & XFS_BTCUR_LEFTRA) && left != NULLAGBLOCK) {
1025 xfs_buf_readahead(mp->m_ddev_targp,
1009 xfs_agblock_t left = be32_to_cpu(block->bb_u.s.bb_leftsib);
1010 xfs_agblock_t right = be32_to_cpu(block->bb_u.s.bb_rightsib);
1011 int rval = 0;
1012
1013 if ((lr & XFS_BTCUR_LEFTRA) && left != NULLAGBLOCK) {
1014 xfs_buf_readahead(mp->m_ddev_targp,
1026 xfs_agbno_to_daddr(cur->bc_ag.pag, left),
1027 mp->m_bsize, cur->bc_ops->buf_ops);
1015 xfs_agbno_to_daddr(pag, left), mp->m_bsize,
1016 cur->bc_ops->buf_ops);
1028 rval++;
1029 }
1030
1031 if ((lr & XFS_BTCUR_RIGHTRA) && right != NULLAGBLOCK) {
1032 xfs_buf_readahead(mp->m_ddev_targp,
1017 rval++;
1018 }
1019
1020 if ((lr & XFS_BTCUR_RIGHTRA) && right != NULLAGBLOCK) {
1021 xfs_buf_readahead(mp->m_ddev_targp,
1033 xfs_agbno_to_daddr(cur->bc_ag.pag, right),
1034 mp->m_bsize, cur->bc_ops->buf_ops);
1022 xfs_agbno_to_daddr(pag, right), mp->m_bsize,
1023 cur->bc_ops->buf_ops);
1035 rval++;
1036 }
1037
1038 return rval;
1039}
1040
1041/*
1042 * Read-ahead btree blocks, at the given level.

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1085 int error;
1086
1087 error = xfs_btree_check_ptr(cur, ptr, 0, 1);
1088 if (error)
1089 return error;
1090
1091 switch (cur->bc_ops->type) {
1092 case XFS_BTREE_TYPE_AG:
1024 rval++;
1025 }
1026
1027 return rval;
1028}
1029
1030/*
1031 * Read-ahead btree blocks, at the given level.

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1074 int error;
1075
1076 error = xfs_btree_check_ptr(cur, ptr, 0, 1);
1077 if (error)
1078 return error;
1079
1080 switch (cur->bc_ops->type) {
1081 case XFS_BTREE_TYPE_AG:
1093 *daddr = xfs_agbno_to_daddr(cur->bc_ag.pag,
1082 *daddr = xfs_agbno_to_daddr(to_perag(cur->bc_group),
1094 be32_to_cpu(ptr->s));
1095 break;
1096 case XFS_BTREE_TYPE_INODE:
1097 *daddr = XFS_FSB_TO_DADDR(cur->bc_mp, be64_to_cpu(ptr->l));
1098 break;
1099 case XFS_BTREE_TYPE_MEM:
1100 *daddr = xfbno_to_daddr(be64_to_cpu(ptr->l));
1101 break;

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1307 struct xfs_btree_cur *cur)
1308{
1309 switch (cur->bc_ops->type) {
1310 case XFS_BTREE_TYPE_MEM:
1311 return cur->bc_mem.xfbtree->owner;
1312 case XFS_BTREE_TYPE_INODE:
1313 return cur->bc_ino.ip->i_ino;
1314 case XFS_BTREE_TYPE_AG:
1083 be32_to_cpu(ptr->s));
1084 break;
1085 case XFS_BTREE_TYPE_INODE:
1086 *daddr = XFS_FSB_TO_DADDR(cur->bc_mp, be64_to_cpu(ptr->l));
1087 break;
1088 case XFS_BTREE_TYPE_MEM:
1089 *daddr = xfbno_to_daddr(be64_to_cpu(ptr->l));
1090 break;

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1296 struct xfs_btree_cur *cur)
1297{
1298 switch (cur->bc_ops->type) {
1299 case XFS_BTREE_TYPE_MEM:
1300 return cur->bc_mem.xfbtree->owner;
1301 case XFS_BTREE_TYPE_INODE:
1302 return cur->bc_ino.ip->i_ino;
1303 case XFS_BTREE_TYPE_AG:
1315 return pag_agno(cur->bc_ag.pag);
1304 return cur->bc_group->xg_gno;
1316 default:
1317 ASSERT(0);
1318 return 0;
1319 }
1320}
1321
1322void
1323xfs_btree_init_block_cur(

--- 4077 unchanged lines hidden --- 		1305 default:
1306 ASSERT(0);
1307 return 0;
1308 }
1309}
1310
1311void
1312xfs_btree_init_block_cur(

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