[PATCH v2 4/5] md: skip ID_BITMAP_NONE when show available bitmap types
Su Yue <[email protected]>
| Newsgroups | gmane.linux.raid |
|---|---|
| Message-ID | <[email protected]> |
As none_bitmap_ops is introduced, ID_BITMAP_NONE should be skipped while iterating md submodules, otherwise: $ cat /sys/block/md0/md/bitmap_type [none] bitmap llbitmap [none] Signed-off-by: Su Yue <[email protected]> --- drivers/md/md.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/md/md.c b/drivers/md/md.c index 55a95b227b83..20a953676319 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -4269,6 +4269,8 @@ bitmap_type_show(struct mddev *mddev, char *page) xa_for_each(&md_submodule, i, head) { if (head->type != MD_BITMAP) continue; + if (head->id == ID_BITMAP_NONE) + continue; if (mddev->bitmap_id == head->id) len += sprintf(page + len, "[%s] ", head->name); -- 2.53.0