md/md-llbitmap: refuse reshape while llbitmap still needs sync

Reject reshape when llbitmap still contains NeedSync or Syncing bits.

This keeps reshape from starting until the current llbitmap state has
been reconciled.

Tested-by: Mykola Marzhan <mykola@meshstor.io>
Link: https://patch.msgid.link/20260802195038.164272-19-yukuai@kernel.org
Signed-off-by: Yu Kuai <yukuai@fygo.io>
This commit is contained in:
Yu Kuai 2026-08-03 03:50:27 +08:00
commit 807757d4c3