Extern or forward variable declaration at fs/btrfs/btrfs.h, line 26 References: fs/btrfs/btrfs.c, line 14 fs/btrfs/btrfs.c, line 14 fs/btrfs/btrfs.c, line 46 fs/btrfs/btrfs.c, line 83 fs/btrfs/btrfs.c, line 83 fs/btrfs/btrfs.c, line 94 fs/btrfs/btrfs.c, line 95 fs/btrfs/btrfs.c, line 95 fs/btrfs/btrfs.c, line 96 fs/btrfs/btrfs.c, line 97 fs/btrfs/btrfs.c, line 97 fs/btrfs/btrfs.c, line 105 fs/btrfs/btrfs.c, line 115 fs/btrfs/btrfs.c, line 141 fs/btrfs/btrfs.c, line 152 fs/btrfs/btrfs.c, line 177 fs/btrfs/btrfs.c, line 219 fs/btrfs/btrfs.h, line 15 fs/btrfs/btrfs.h, line 26 fs/btrfs/btrfs.h, line 26 fs/btrfs/chunk-map.c, line 23 fs/btrfs/chunk-map.c, line 63 fs/btrfs/chunk-map.c, line 73 fs/btrfs/chunk-map.c, line 99 fs/btrfs/chunk-map.c, line 109 fs/btrfs/chunk-map.c, line 111 fs/btrfs/chunk-map.c, line 116 fs/btrfs/chunk-map.c, line 118 fs/btrfs/chunk-map.c, line 156 fs/btrfs/compression.c, line 95 fs/btrfs/ctree.c, line 133 fs/btrfs/inode.c, line 122 fs/btrfs/inode.c, line 148 fs/btrfs/inode.c, line 271 fs/btrfs/root.c, line 41 fs/btrfs/root.c, line 66 fs/btrfs/subvolume.c, line 75 fs/btrfs/subvolume.c, line 76 fs/btrfs/subvolume.c, line 93 fs/btrfs/super.c, line 174 fs/btrfs/super.c, line 203 fs/btrfs/super.c, line 204 fs/btrfs/super.c, line 210 fs/btrfs/super.c, line 215 fs/btrfs/super.c, line 220 fs/btrfs/super.c, line 220 fs/btrfs/super.c, line 222 fs/btrfs/super.c, line 225 fs/btrfs/super.c, line 230