md: allow array to be resized while bitmap is present.
Now that bitmaps can be resized, we can allow an array to be resized
while the bitmap is present.
This only covers resizing that involves changing the effective size
of member devices, not resizing that changes the number of devices.
Signed-off-by: NeilBrown <neilb@suse.de>
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 9e2336f..86adf4a 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -6153,11 +6153,7 @@
*/
if (mddev->sync_thread)
return -EBUSY;
- if (mddev->bitmap)
- /* Sorry, cannot grow a bitmap yet, just remove it,
- * grow, and re-add.
- */
- return -EBUSY;
+
rdev_for_each(rdev, mddev) {
sector_t avail = rdev->sectors;