btrfs: Factor out ref head locking code in __btrfs_run_delayed_refs

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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>

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Nikolay Borisov 2018-08-15 10:39:54 +03:00 • committed by David Sterba

parent b2fa11547b

commit b1cdbcb53a

1 changed files with 36 additions and 17 deletions

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53

fs/btrfs/extent-tree.c

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