BTRFS_FID_SIZE_CONNECTABLE_ROOT 48 fs/btrfs/export.c len = BTRFS_FID_SIZE_CONNECTABLE_ROOT; BTRFS_FID_SIZE_CONNECTABLE_ROOT 121 fs/btrfs/export.c if (fh_len < BTRFS_FID_SIZE_CONNECTABLE_ROOT) BTRFS_FID_SIZE_CONNECTABLE_ROOT 143 fs/btrfs/export.c fh_len < BTRFS_FID_SIZE_CONNECTABLE_ROOT) &&