LU-15163 osd: osd_obj_map_recover() to restart transaction

LU-15163 osd: osd_obj_map_recover() to restart transaction

osd_obj_map_recover() stops transaction when need to call
vfs_link() and it has to start a new transaction to modify
filesystem.

Signed-off-by: Alex Zhuravlev <bzzz@whamcloud.com>
Change-Id: I6efe5444ddc959b19092bebc6e3c7dc25a29cea1
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/45368
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Reviewed-by: Li Dongyang <dongyangli@ddn.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>