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Diffstat (limited to 'fs/btrfs/delayed-ref.h')
| -rw-r--r-- | fs/btrfs/delayed-ref.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/btrfs/delayed-ref.h b/fs/btrfs/delayed-ref.h index c9d703693df0..23bdeb8502a6 100644 --- a/fs/btrfs/delayed-ref.h +++ b/fs/btrfs/delayed-ref.h @@ -132,6 +132,15 @@ struct btrfs_delayed_ref_root { unsigned long num_heads_ready; /* + * bumped when someone is making progress on the delayed + * refs, so that other procs know they are just adding to + * contention intead of helping + */ + atomic_t procs_running_refs; + atomic_t ref_seq; + wait_queue_head_t wait; + + /* * set when the tree is flushing before a transaction commit, * used by the throttling code to decide if new updates need * to be run right away |