tree 2feca4dbba95ee7d382768b7ef21bbe630865129
parent b2fa11547bc1693a8dd8e7379dd4e43d31f49c50
author Nikolay Borisov <nborisov@suse.com> 1534318794 +0300
committer David Sterba <dsterba@suse.com> 1539617014 +0200

btrfs: Factor out ref head locking code in __btrfs_run_delayed_refs

This is in preparation to refactor the giant loop in
__btrfs_run_delayed_refs. As a first step define a new function
which implements acquiring a reference to a btrfs_delayed_refs_head and
use it. No functional changes.

Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>