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-rw-r--r--module/zfs/dmu_traverse.c20
1 files changed, 14 insertions, 6 deletions
diff --git a/module/zfs/dmu_traverse.c b/module/zfs/dmu_traverse.c
index 280e0ee34..15d29198f 100644
--- a/module/zfs/dmu_traverse.c
+++ b/module/zfs/dmu_traverse.c
@@ -634,12 +634,20 @@ traverse_impl(spa_t *spa, dsl_dataset_t *ds, uint64_t objset, blkptr_t *rootbp,
err = arc_read(NULL, td->td_spa, rootbp, arc_getbuf_func,
&buf, ZIO_PRIORITY_ASYNC_READ, zio_flags, &flags, czb);
- if (err != 0)
- return (err);
-
- osp = buf->b_data;
- traverse_zil(td, &osp->os_zil_header);
- arc_buf_destroy(buf, &buf);
+ if (err != 0) {
+ /*
+ * If both TRAVERSE_HARD and TRAVERSE_PRE are set,
+ * continue to visitbp so that td_func can be called
+ * in pre stage, and err will reset to zero.
+ */
+ if (!(td->td_flags & TRAVERSE_HARD) ||
+ !(td->td_flags & TRAVERSE_PRE))
+ return (err);
+ } else {
+ osp = buf->b_data;
+ traverse_zil(td, &osp->os_zil_header);
+ arc_buf_destroy(buf, &buf);
+ }
}
if (!(flags & TRAVERSE_PREFETCH_DATA) ||