BTRFS_BLOCK_RSV_GLOBAL 401 fs/btrfs/block-rsv.c if (block_rsv->type == BTRFS_BLOCK_RSV_GLOBAL && !global_updated) { BTRFS_BLOCK_RSV_GLOBAL 430 fs/btrfs/block-rsv.c if (block_rsv->type != BTRFS_BLOCK_RSV_GLOBAL && BTRFS_BLOCK_RSV_GLOBAL 2671 fs/btrfs/disk-io.c BTRFS_BLOCK_RSV_GLOBAL);