Signed-off-by: Stefan Ring <stefanrin@xxxxxxxxx>
Reviewed-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
---
db/metadump.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/db/metadump.c b/db/metadump.c
index edc288ce..3994c4f4 100644
--- a/db/metadump.c
+++ b/db/metadump.c
@@ -2176,6 +2176,19 @@ process_btinode(
}
pp = XFS_BMDR_PTR_ADDR(dib, 1, maxrecs);
+
+ if (zero_stale_data) {
+ char *top;
+
+ /* Unused btree key space */
+ top = (char*)XFS_BMDR_KEY_ADDR(dib, nrecs + 1);
+ memset(top, 0, (char*)pp - top);
+
+ /* Unused btree ptr space */
+ top = (char*)&pp[nrecs];
+ memset(top, 0, (char*)dib + XFS_DFORK_SIZE(dip, mp, whichfork) - top);
+ }
+
for (i = 0; i < nrecs; i++) {
xfs_agnumber_t ag;
xfs_agblock_t bno;
--
2.19.2
