From: Darrick J. Wong <djwong@xxxxxxxxxx>
When we're checking the realtime rmap btree entries, cross-reference
those entries with the realtime bitmap too.
Signed-off-by: Darrick J. Wong <djwong@xxxxxxxxxx>
---
fs/xfs/scrub/rtrmap.c | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/fs/xfs/scrub/rtrmap.c b/fs/xfs/scrub/rtrmap.c
index e60b454b39f3..72fc47cc25f0 100644
--- a/fs/xfs/scrub/rtrmap.c
+++ b/fs/xfs/scrub/rtrmap.c
@@ -150,6 +150,23 @@ xchk_rtrmapbt_check_mergeable(
memcpy(&cr->prev_rec, irec, sizeof(struct xfs_rmap_irec));
}
+/* Cross-reference with other metadata. */
+STATIC void
+xchk_rtrmapbt_xref(
+ struct xfs_scrub *sc,
+ struct xfs_rmap_irec *irec)
+{
+ xfs_rtblock_t rtbno;
+
+ if (sc->sm->sm_flags & XFS_SCRUB_OFLAG_CORRUPT)
+ return;
+
+ rtbno = xfs_rgbno_to_rtb(sc->mp, sc->sr.rtg->rtg_rgno,
+ irec->rm_startblock);
+
+ xchk_xref_is_used_rt_space(sc, rtbno, irec->rm_blockcount);
+}
+
/* Scrub a realtime rmapbt record. */
STATIC int
xchk_rtrmapbt_rec(
@@ -170,6 +187,7 @@ xchk_rtrmapbt_rec(
xchk_rtrmapbt_check_mergeable(bs, cr, &irec);
xchk_rtrmapbt_check_overlapping(bs, cr, &irec);
+ xchk_rtrmapbt_xref(bs->sc, &irec);
return 0;
}
