diff --git a/module/zfs/dmu_traverse.c b/module/zfs/dmu_traverse.c index c78228d745..b494bef358 100644 --- a/module/zfs/dmu_traverse.c +++ b/module/zfs/dmu_traverse.c @@ -599,19 +599,27 @@ traverse_impl(spa_t *spa, dsl_dataset_t *ds, uint64_t objset, blkptr_t *rootbp, /* See comment on ZIL traversal in dsl_scan_visitds. */ if (ds != NULL && !ds->ds_is_snapshot && !BP_IS_HOLE(rootbp)) { + enum zio_flag zio_flags = ZIO_FLAG_CANFAIL; uint32_t flags = ARC_FLAG_WAIT; objset_phys_t *osp; arc_buf_t *buf; - err = arc_read(NULL, td->td_spa, rootbp, - arc_getbuf_func, &buf, - ZIO_PRIORITY_ASYNC_READ, ZIO_FLAG_CANFAIL, &flags, czb); - if (err != 0) - return (err); - - osp = buf->b_data; - traverse_zil(td, &osp->os_zil_header); - arc_buf_destroy(buf, &buf); + err = arc_read(NULL, td->td_spa, rootbp, arc_getbuf_func, + &buf, ZIO_PRIORITY_ASYNC_READ, zio_flags, &flags, czb); + 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) ||