LU-15913 mdt: disable parallel rename for striped dirs
Parallel rename should not be done within striped directories to
avoid remote updates. These are like cross-directory renames.
Add tunables for parallel directory rename in case of problems.
These can be configured separately for files and directories.
mdt.*.enable_parallel_rename_dir
mdt.*.enable_parallel_rename_file
Fixes:
90979ab390 ("LU-12125 mds: allow parallel directory rename")
Fixes:
d76cc65d5d ("LU-12125 mds: allow parallel regular file rename")
Signed-off-by: Andreas Dilger <adilger@whamcloud.com>
Change-Id: I384976cd1c9f401169336ee7a479ba0e3dd9f4ee
Reviewed-on: https://review.whamcloud.com/47593
Reviewed-by: Artem Blagodarenko <ablagodarenko@ddn.com>
Reviewed-by: Lai Siyao <lai.siyao@whamcloud.com>
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>