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-rw-r--r--fs/xfs/scrub/common.c47
1 files changed, 42 insertions, 5 deletions
diff --git a/fs/xfs/scrub/common.c b/fs/xfs/scrub/common.c
index 0c54ff55b901..973aa59975e3 100644
--- a/fs/xfs/scrub/common.c
+++ b/fs/xfs/scrub/common.c
@@ -38,6 +38,7 @@
#include "scrub/trace.h"
#include "scrub/btree.h"
#include "scrub/repair.h"
+#include "scrub/health.h"
/* Common code for the metadata scrubbers. */
@@ -208,6 +209,15 @@ xchk_ino_set_preen(
trace_xchk_ino_preen(sc, ino, __return_address);
}
+/* Record something being wrong with the filesystem primary superblock. */
+void
+xchk_set_corrupt(
+ struct xfs_scrub *sc)
+{
+ sc->sm->sm_flags |= XFS_SCRUB_OFLAG_CORRUPT;
+ trace_xchk_fs_error(sc, 0, __return_address);
+}
+
/* Record a corrupt block. */
void
xchk_block_set_corrupt(
@@ -458,13 +468,18 @@ xchk_ag_btcur_init(
struct xfs_mount *mp = sc->mp;
xfs_agnumber_t agno = sa->agno;
- if (sa->agf_bp) {
+ xchk_perag_get(sc->mp, sa);
+ if (sa->agf_bp &&
+ xchk_ag_btree_healthy_enough(sc, sa->pag, XFS_BTNUM_BNO)) {
/* Set up a bnobt cursor for cross-referencing. */
sa->bno_cur = xfs_allocbt_init_cursor(mp, sc->tp, sa->agf_bp,
agno, XFS_BTNUM_BNO);
if (!sa->bno_cur)
goto err;
+ }
+ if (sa->agf_bp &&
+ xchk_ag_btree_healthy_enough(sc, sa->pag, XFS_BTNUM_CNT)) {
/* Set up a cntbt cursor for cross-referencing. */
sa->cnt_cur = xfs_allocbt_init_cursor(mp, sc->tp, sa->agf_bp,
agno, XFS_BTNUM_CNT);
@@ -473,7 +488,8 @@ xchk_ag_btcur_init(
}
/* Set up a inobt cursor for cross-referencing. */
- if (sa->agi_bp) {
+ if (sa->agi_bp &&
+ xchk_ag_btree_healthy_enough(sc, sa->pag, XFS_BTNUM_INO)) {
sa->ino_cur = xfs_inobt_init_cursor(mp, sc->tp, sa->agi_bp,
agno, XFS_BTNUM_INO);
if (!sa->ino_cur)
@@ -481,7 +497,8 @@ xchk_ag_btcur_init(
}
/* Set up a finobt cursor for cross-referencing. */
- if (sa->agi_bp && xfs_sb_version_hasfinobt(&mp->m_sb)) {
+ if (sa->agi_bp && xfs_sb_version_hasfinobt(&mp->m_sb) &&
+ xchk_ag_btree_healthy_enough(sc, sa->pag, XFS_BTNUM_FINO)) {
sa->fino_cur = xfs_inobt_init_cursor(mp, sc->tp, sa->agi_bp,
agno, XFS_BTNUM_FINO);
if (!sa->fino_cur)
@@ -489,7 +506,8 @@ xchk_ag_btcur_init(
}
/* Set up a rmapbt cursor for cross-referencing. */
- if (sa->agf_bp && xfs_sb_version_hasrmapbt(&mp->m_sb)) {
+ if (sa->agf_bp && xfs_sb_version_hasrmapbt(&mp->m_sb) &&
+ xchk_ag_btree_healthy_enough(sc, sa->pag, XFS_BTNUM_RMAP)) {
sa->rmap_cur = xfs_rmapbt_init_cursor(mp, sc->tp, sa->agf_bp,
agno);
if (!sa->rmap_cur)
@@ -497,7 +515,8 @@ xchk_ag_btcur_init(
}
/* Set up a refcountbt cursor for cross-referencing. */
- if (sa->agf_bp && xfs_sb_version_hasreflink(&mp->m_sb)) {
+ if (sa->agf_bp && xfs_sb_version_hasreflink(&mp->m_sb) &&
+ xchk_ag_btree_healthy_enough(sc, sa->pag, XFS_BTNUM_REFC)) {
sa->refc_cur = xfs_refcountbt_init_cursor(mp, sc->tp,
sa->agf_bp, agno);
if (!sa->refc_cur)
@@ -884,3 +903,21 @@ xchk_ilock_inverted(
}
return -EDEADLOCK;
}
+
+/* Pause background reaping of resources. */
+void
+xchk_stop_reaping(
+ struct xfs_scrub *sc)
+{
+ sc->flags |= XCHK_REAPING_DISABLED;
+ xfs_stop_block_reaping(sc->mp);
+}
+
+/* Restart background reaping of resources. */
+void
+xchk_start_reaping(
+ struct xfs_scrub *sc)
+{
+ xfs_start_block_reaping(sc->mp);
+ sc->flags &= ~XCHK_REAPING_DISABLED;
+}