Function prototype or declaration at fs/btrfs/locking.h, line 27 References: fs/btrfs/ctree.c, line 198 fs/btrfs/ctree.c, line 1531 fs/btrfs/ctree.c, line 1749 fs/btrfs/ctree.c, line 1784 fs/btrfs/ctree.c, line 1795 fs/btrfs/ctree.c, line 1953 fs/btrfs/ctree.c, line 2005 fs/btrfs/ctree.c, line 2661 fs/btrfs/ctree.c, line 3524 fs/btrfs/ctree.c, line 3742 fs/btrfs/ctree.c, line 5613 fs/btrfs/extent-tree.c, line 6273 fs/btrfs/extent-tree.c, line 6650 fs/btrfs/extent-tree.c, line 6702 fs/btrfs/extent-tree.c, line 6779 fs/btrfs/extent-tree.c, line 6817 fs/btrfs/extent-tree.c, line 6989 fs/btrfs/extent_io.c, line 3097 fs/btrfs/extent_io.c, line 3110 fs/btrfs/locking.c, line 214 fs/btrfs/locking.h, line 27 fs/btrfs/qgroup.c, line 870 fs/btrfs/relocation.c, line 1764 fs/btrfs/relocation.c, line 2569 fs/btrfs/tree-log.c, line 2022 fs/btrfs/tree-log.c, line 2095 fs/btrfs/tree-log.c, line 2169