btrfs: make device add compatible with paused balance in btrfs_exclop_start_try_lock

This is needed to enable device add to work in cases when a file system
has been mounted with 'skip_balance' mount option.

Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Nikolay Borisov 2021-11-25 11:14:42 +02:00 • committed by David Sterba
commit 621a1ee1d3