On 7/18/22 08:34, Christoph Hellwig wrote:

Just do a plain list_for_each that only grabs a mddev reference in
the case where the thread sleeps and restarts the list iteration.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
  drivers/md/md.c | 8 +++++---
  1 file changed, 5 insertions(+), 3 deletions(-)

Reviewed-by: Hannes Reinecke <hare@suse.de>

Cheers,

Hannes