F2FS_RESERVED_NODE_NUM 3019 fs/f2fs/node.c F2FS_RESERVED_NODE_NUM; F2FS_RESERVED_NODE_NUM 1276 fs/f2fs/super.c avail_node_count = sbi->total_node_count - F2FS_RESERVED_NODE_NUM; F2FS_RESERVED_NODE_NUM 2709 fs/f2fs/super.c avail_node_count = sbi->total_node_count - F2FS_RESERVED_NODE_NUM;