LU-17070 lov: retry layout refresh if got old layouts

LU-17070 lov: retry layout refresh if got old layouts

lov_layout_change() would not apply old layouts which can get through
when MDS doesn't take layout lock, this patch would retry getting
the layout and re-apply the layout again for once.

Fixes: 13557aa869 ("LU-15300 mdt: refresh LOVEA with LL granted")
Signed-off-by: Bobi Jam <bobijam@whamcloud.com>
Change-Id: Id29ec4ada85060a20f730f92a6a9409d755a56a1
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/55061
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>
Reviewed-by: Alex Zhuravlev <bzzz@whamcloud.com>
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>